CN212899945U

CN212899945U - Dongfeng 8B type diesel locomotive fuel pressure limiting valve

Info

Publication number: CN212899945U
Application number: CN202021901205.4U
Authority: CN
Inventors: 张宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-06
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a dongfeng 8B type diesel locomotive fuel pressure limiting valve relates to fuel pressure limiting valve technical field, and it is current to have solved one, and the unable quick regulation to the valve pressure size of going on of current pressure limiting valve, therefore the pressure value that the pressure limiting valve was got up in the use is fixed consequently has the limitation, moreover, current pressure limiting valve adopts the grafting mode to be connected when being connected with the fuel pipeline more, then can't be firm when the fuel pipeline appears ageing then carry out the problem of being connected with the pressure limiting valve. A Dongfeng 8B type diesel locomotive fuel pressure limiting valve, including bearing the weight of the organization; the top end of the bearing mechanism is rotatably connected with an adjusting mechanism. The utility model discloses in, because the butt fusion of the inner wall top face of rotating the lid has the turning block, and still inlay on the outer wall of turning block and have the sealing ring, consequently can cooperate with the thread groove that the rotation lid inner wall was seted up to reach and guaranteed the holistic leakproofness of device in the adjusting device pressure value, in order to reach the purpose that prevents fluid and ooze.

Description

Dongfeng 8B type diesel locomotive fuel pressure limiting valve

Technical Field

The utility model belongs to the technical field of the fuel pressure limiting valve, more specifically say, in particular to dongfeng 8B type diesel locomotive fuel pressure limiting valve.

Background

The fuel pressure limiting valve can keep the pressure in the oil way constant, a diaphragm inside the pressure regulator is used for controlling the opening and closing of the pressure valve, if the oil pressure is lower than a certain value, the pressure valve is closed, the oil pump pressurizes to increase the pressure in the oil way, when the pressure is increased to exceed the specified pressure, the diaphragm is opened, and the fuel with overpressure flows back to the oil tank through the oil return pipeline to play a role in reducing the pressure.

Based on the above, the existing Dongfeng 8B type diesel locomotive fuel pressure limiting valve also has the following defects:

one is that the existing pressure limiting valve can not quickly regulate the pressure of the valve, so the pressure value of the pressure limiting valve is fixed when the pressure limiting valve is used, and the pressure limiting valve has limitation; moreover, the existing pressure limiting valve is connected with the fuel pipeline in a plugging mode, so that the existing pressure limiting valve cannot be firmly connected with the pressure limiting valve when the fuel pipeline is aged.

Therefore, in view of the above, research and improvement are made to the existing structure and defects, and a fuel pressure limiting valve for an east wind 8B type diesel locomotive is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an east wind 8B type diesel locomotive fuel pressure limiting valve to solve current one and be, current pressure limiting valve can't be quick go on to the regulation of valve pressure size, consequently the pressure value that uses the pressure limiting valve is fixed consequently has the limitation, moreover, current pressure limiting valve adopts the grafting mode to be connected when being connected with the fuel pipeline more, then can't be firm when the fuel pipeline appears ageing problem of being connected with the pressure limiting valve.

The utility model relates to a purpose and efficiency of dongfeng 8B type diesel locomotive fuel pressure limiting valve are reached by following concrete technological means:

a Dongfeng 8B type diesel locomotive fuel pressure limiting valve, including bearing the weight of the organization; the top end of the bearing mechanism is rotatably connected with an adjusting mechanism, and the bottom end of the adjusting mechanism is welded with a pressure control mechanism; the outer wall of the bearing mechanism is welded with an inserting mechanism, and the outer wall of the inserting mechanism is sleeved with a fixing mechanism; the fixing mechanism comprises a fixing ring, an adjusting block and an adjusting ring, the fixing ring is sleeved on the outer wall of the connecting column, the head end of the fixing ring is welded with the adjusting blocks in an annular array mode, and the adjusting rings are connected to the outer wall of the adjusting blocks in a threaded mode.

Further, adjustment mechanism is including rotating lid, turning block and sealing ring, the butt fusion of the inner wall top face of rotating the lid has the turning block, and still inlays on the outer wall of turning block and has had the sealing ring to the thread groove has still been seted up to the inner wall that rotates the lid.

Furthermore, the pressure control mechanism comprises an elastic part, a fixed plate and an adjusting ball, the head end of the elastic part is welded on the bottom end face of the rotating block, the tail end of the elastic part is welded on the top end face of the fixed plate, and the adjusting ball is welded in the middle of the bottom end face of the fixed plate.

Furthermore, the bearing mechanism comprises a storage column, a fixed block and a connecting block, two insertion holes are formed in the outer wall of the storage column, and the storage column is of an internal hollow structure; the bottom end of the fixed block is welded at the top end of the storage column, a thread groove is formed in the top end of the fixed block, and the fixed block is of an internal hollow structure; the top welding of connecting block is on the end of storing the post, and stores the end of post and has still seted up the thread groove to store the post and be inside hollow structure.

Furthermore, the splicing mechanism comprises two connecting columns and splicing blocks, the two connecting columns are respectively welded in two splicing holes formed in the outer wall of the storage column, and the outer wall of each connecting column is welded with the splicing block; the connecting column and the inserting block are both hollow structures.

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

in the utility model, the top end face of the inner wall of the rotating cover is welded with the rotating block, and the outer wall of the rotating block is also embedded with the sealing ring, so the rotating block can be matched with the thread groove arranged on the inner wall of the rotating cover to achieve the aim of ensuring the sealing performance of the whole device while adjusting the pressure value of the device so as to achieve the aim of preventing oil from seeping out, on the other hand, when the pressure value in the device needs to be adjusted, the rotating cover can be rotationally adjusted so as to drive the elastic part in the pressure control mechanism to synchronously lift or descend so as to achieve the aim of controlling the fit degree between the fixed plate, the adjusting ball and the bearing mechanism, the design structure is simple and the operation is convenient, the pressure limiting value of the fuel pressure limiting valve can be manually and rapidly adjusted so as to achieve the aim of more practicability, moreover, when the splicing mechanism is connected with the pipeline, the fixing mechanism is sleeved on the outer wall of the pipeline by, then the adjusting ring is rotated clockwise to be continuously meshed with the adjusting blocks for transmission, so that the aim of tightly connecting the fuel pressure limiting valve with the fuel pipeline by reducing the space among the adjusting blocks at four positions is fulfilled.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the full-section structure of the present invention.

Fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention.

Fig. 4 is a schematic structural view of the pressure control mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the carrying mechanism of the present invention.

Fig. 6 is a schematic structural diagram of the plugging mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the fixing mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an adjustment mechanism; 101. rotating the cover; 102. rotating the block; 103. a seal ring; 2. a pressure control mechanism; 201. an elastic member; 202. a fixing plate; 203. adjusting the ball; 3. a carrying mechanism; 301. a storage column; 302. a fixed block; 303. connecting blocks; 4. a plug-in mechanism; 401. connecting columns; 402. an insertion block; 5. a fixing mechanism; 501. a fixing ring; 502. an adjusting block; 503. an adjusting ring.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a Dongfeng 8B type diesel locomotive fuel pressure limiting valve, which comprises a bearing mechanism 3; the top end of the bearing mechanism 3 is rotatably connected with an adjusting mechanism 1, and the bottom end of the adjusting mechanism 1 is welded with a pressure control mechanism 2; the outer wall of the bearing mechanism 3 is welded with an inserting mechanism 4, and the outer wall of the inserting mechanism 4 is sleeved with a fixing mechanism 5; fixing mechanism 5 includes solid fixed ring 501, regulating block 502 and adjustable ring 503, and solid fixed ring 501 cup joints on the outer wall of spliced pole 401, and the head end of solid fixed ring 501 is the welding of annular array form and has regulating block 502 everywhere to threaded connection has adjustable ring 503 on the outer wall of everywhere regulating block 502, thereby can prevent to appear because of the condition of the not tight oil leak of ageing grafting of pipeline.

Referring to fig. 3, the adjusting mechanism 1 includes a rotating cover 101, a rotating block 102 and a sealing ring 103, the rotating block 102 is welded to the top end face of the inner wall of the rotating cover 101, the sealing ring 103 is further embedded on the outer wall of the rotating block 102, and the inner wall of the rotating cover 101 is further provided with a thread groove, so that the sealing performance is ensured while the pressure limiting valve is adjusted.

Referring to fig. 4, the pressure control mechanism 2 includes an elastic member 201, a fixed plate 202 and an adjusting ball 203, wherein a head end of the elastic member 201 is welded to a bottom end surface of the rotating block 102, a tail end of the elastic member 201 is welded to a top end surface of the fixed plate 202, and the adjusting ball 203 is welded at a middle position of the bottom end surface of the fixed plate 202, so that pressure adjustment can be performed according to actual requirements.

Referring to fig. 5, the supporting mechanism 3 includes a storage column 301, a fixing block 302 and a connecting block 303, two insertion holes are formed on an outer wall of the storage column 301, and the storage column 301 is a hollow structure; the bottom end of the fixing block 302 is welded at the top end of the storage column 301, the top end of the fixing block 302 is provided with a thread groove, and the fixing block 302 is of an internal hollow structure; the top end of the connecting block 303 is welded on the tail end of the storage column 301, the tail end of the storage column 301 is also provided with a thread groove, and the storage column 301 is of an internal hollow structure.

Referring to fig. 6, the plugging mechanism 4 includes a connection column 401 and a plugging block 402, the connection column 401 has two positions, the two connection columns 401 are respectively welded in two plugging holes formed on the outer wall of the storage column 301, and the external wall of each connection column 401 is welded with the plugging block 402; the connecting column 401 and the inserting block 402 are both hollow.

The specific use mode and function of the embodiment are as follows:

when the device is used, the rotating block 102 is welded on the top end face of the inner wall of the rotating cover 101, and the sealing ring 103 is embedded on the outer wall of the rotating block 102, so that the device can be matched with a thread groove formed in the inner wall of the rotating cover 101, the pressure value of the device is adjusted, the integral sealing performance of the device is guaranteed, and the purpose of preventing oil from seeping is achieved;

when the pressure value in the device needs to be adjusted, the rotating cover 101 can be adjusted through rotation to drive the elastic part 201 in the pressure control mechanism 2 to synchronously lift or descend so as to achieve the purpose of controlling the fit degree between the fixed plate 202, the adjusting ball 203 and the bearing mechanism 3, the design structure is simple, the operation is convenient, and the pressure limiting value of the fuel pressure limiting valve can be adjusted manually and rapidly so as to achieve the purpose of being more practical;

furthermore, consider that the pressure limiting valve can cause the insecure and then lead to the condition appearance of oil leak because of the pipeline is ageing after being connected for a long time with the fuel oil pipeline, consequently the utility model discloses in, the head end of solid fixed ring 501 is the welding of annular array form and has four adjusting blocks 502 to threaded connection has adjustable ring 503 on the outer wall of four adjusting blocks 502, can be when grafting mechanism 4 is connected with the pipeline, on establishing the outer wall of pipeline with 5 outside pulling covers of fixed establishment, then through clockwise rotation adjustable ring 503, make it constantly mesh the transmission with adjusting block 502, with the purpose that interval between the adjusting block 502 of reducing is with fuel oil pressure limiting valve and fuel oil pipeline zonulae occludens.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a dongfeng 8B type diesel locomotive fuel pressure limiting valve which characterized in that: comprises a bearing mechanism (3); the top end of the bearing mechanism (3) is rotatably connected with an adjusting mechanism (1), and the bottom end of the adjusting mechanism (1) is welded with a pressure control mechanism (2); the outer wall of the bearing mechanism (3) is welded with an inserting mechanism (4), and the outer wall of the inserting mechanism (4) is sleeved with a fixing mechanism (5); fixed establishment (5) including solid fixed ring (501), regulating block (502) and adjustable ring (503), gu fixed ring (501) cup joints on the outer wall of spliced pole (401), and the head end of solid fixed ring (501) is the welding of annular array form and has regulating block (502) everywhere to threaded connection has adjustable ring (503) on the outer wall of everywhere regulating block (502).

2. The fuel pressure limiting valve for the Dongfeng 8B type diesel locomotive according to claim 1, characterized in that: adjustment mechanism (1) is including rotating lid (101), turning block (102) and sealing ring (103), the inner wall top end face butt fusion of rotating lid (101) has turning block (102), and still inlays on the outer wall of turning block (102) sealing ring (103) to the screw thread groove has still been seted up to the inner wall of rotating lid (101).

3. The fuel pressure limiting valve for the Dongfeng 8B type diesel locomotive according to claim 1, characterized in that: the pressure control mechanism (2) comprises an elastic piece (201), a fixed plate (202) and an adjusting ball (203), the head end of the elastic piece (201) is welded on the bottom end face of the rotating block (102), the tail end of the elastic piece (201) is welded on the top end face of the fixed plate (202), and the adjusting ball (203) is welded in the middle of the bottom end face of the fixed plate (202).

4. The fuel pressure limiting valve for the Dongfeng 8B type diesel locomotive according to claim 1, characterized in that: the bearing mechanism (3) comprises a storage column (301), a fixing block (302) and a connecting block (303), two insertion holes are formed in the outer wall of the storage column (301), and the storage column (301) is of an internal hollow structure; the bottom end of the fixing block (302) is welded at the top end of the storage column (301), a thread groove is formed in the top end of the fixing block (302), and the fixing block (302) is of an internal hollow structure; the top end of the connecting block (303) is welded on the tail end of the storage column (301), the tail end of the storage column (301) is further provided with a thread groove, and the storage column (301) is of an internal hollow structure.

5. The fuel pressure limiting valve for the Dongfeng 8B type diesel locomotive according to claim 1, characterized in that: the splicing mechanism (4) comprises a connecting column (401) and splicing blocks (402), the connecting column (401) is provided with two positions, the two connecting columns (401) are respectively welded in two splicing holes formed in the outer wall of the storage column (301), and the outer wall of each connecting column (401) is welded with the splicing block (402); the connecting column (401) and the inserting block (402) are both hollow structures.