CN216478952U

CN216478952U - Quick oil drain valve

Info

Publication number: CN216478952U
Application number: CN202123108159.XU
Authority: CN
Inventors: 钱世展
Original assignee: Wuxi Xinyuan Oil Pump Co ltd
Current assignee: Wuxi Xinyuan Oil Pump Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-10
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of oil drain valves, and discloses a quick oil drain valve, which solves the problems that the sealing performance is poor and the leakage phenomenon is easy to occur in the using process of a common oil drain valve; an oil inlet is formed at the bottom end of the valve body and is communicated with a lower sealing groove, the lower sealing groove is communicated with a cavity, the cavity is communicated with an upper sealing groove, the upper sealing groove is communicated with an oil outlet, an arc-shaped plate is equidistantly connected to the edge of the upper sealing groove, and limiting rods are symmetrically connected in the lower sealing groove; the utility model discloses, through the seal assembly who sets up, can enter into the upper seal groove through the upper seal plug in, play sealed effect, the lower seal plug enters into down and seals in the seal groove simultaneously, plays secondary seal's effect to make the fuel outlet valve have good sealing performance, be difficult to take place to leak the phenomenon.

Description

Quick oil drain valve

Technical Field

The utility model belongs to the technical field of the fuel outlet valve, specifically be a quick fuel outlet valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for valves of a fluid control system, has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complex automatic control system, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is one of the valves.

In the using process of a common oil drain valve, the sealing performance is poor, and the leakage phenomenon is easy to occur.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a quick fuel outlet valve, the effectual in-process of having solved general fuel outlet valve in the use, sealing performance is relatively poor, takes place the problem of leakage phenomenon easily.

In order to achieve the above object, the utility model provides a following technical scheme: a quick oil drain valve comprises a valve body, wherein a valve rod assembly is arranged in the valve body, a sealing assembly is connected to the valve rod assembly, and the sealing assembly is used for sealing the valve body;

the bottom of valve body is formed with the oil inlet, and the oil inlet communicates with lower seal groove, and lower seal groove communicates with the cavity, cavity and last seal groove intercommunication, go up seal groove and oil-out intercommunication, and go up the seal groove edge equidistance and be connected with the arc, and the interior symmetrical connection of lower seal groove has the gag lever post.

Preferably, the inner wall of going up the seal groove and the inner wall of arc all seted up there is the internal thread, and the internal thread uses with the valve rod subassembly cooperation.

Preferably, an annular groove is formed in the oil outlet, and a sealing ring is arranged in the annular groove.

Preferably, the valve rod assembly comprises a hollow rod inserted with the oil outlet, oil holes are formed in the outer wall of the bottom end of the hollow rod at equal intervals, the oil holes are communicated with the inside of the hollow rod, an upper sealing plug and a rotating block are connected to the hollow rod, the upper sealing plug is located in an upper sealing groove, a screw rod is connected to the upper sealing plug, and the screw rod is matched with the sealing assembly for use.

Preferably, the outer wall of the upper sealing plug and the outer wall of the screw rod are both provided with external threads, the thread directions of the external threads are opposite, and the thread pitch of the external threads on the screw rod is larger than that of the external threads on the upper sealing plug.

Preferably, the sealing assembly comprises a threaded cylinder in threaded connection with the screw, and a lower sealing plug is connected to the threaded cylinder and located in the lower sealing groove.

Preferably, the lower sealing plug is symmetrically provided with limiting holes, and the limiting holes are in sliding sleeve joint with the limiting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the work, the valve rod assembly and the valve body are matched, when oil drainage is needed, the hollow rod is driven to rotate only through the rotating block, and the upper sealing plug is moved out of the upper sealing groove; meanwhile, the lower sealing plug is moved out of the lower sealing groove, so that the oil drainage process can be realized, and when oil drainage is needed, a good sealing effect can be achieved through the upper sealing plug and the upper sealing plug;

2) in the work, through the seal assembly who sets up, can enter into last seal groove through last sealing plug in, play sealed effect, lower sealing plug enters into down and seals in the seal groove simultaneously, plays the effect of secondary seal to make the fuel outlet valve have good sealing performance, be difficult to take place to leak the phenomenon.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the valve body structure of the present invention;

FIG. 4 is a schematic structural view of the valve stem assembly of the present invention;

in the figure: 1. a valve body; 101. an oil inlet; 102. a lower seal groove; 103. a cavity; 104. an upper seal groove; 105. an oil outlet; 106. an arc-shaped plate; 107. a limiting rod; 108. an annular groove; 109. a seal ring; 2. a valve stem assembly; 201. a hollow shaft; 202. an oil hole; 203. an upper sealing plug; 204. a screw; 205. rotating the block; 3. a seal assembly; 301. a threaded barrel; 302. a lower sealing plug; 303. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the present invention includes a valve body 1, a valve rod assembly 2 is disposed in the valve body 1, a sealing assembly 3 is connected to the valve rod assembly 2, and the sealing assembly 3 is used for sealing the valve body 1; an oil inlet 101 is formed at the bottom end of the valve body 1, the oil inlet 101 is communicated with a lower sealing groove 102, the lower sealing groove 102 is communicated with a cavity 103, the cavity 103 is communicated with an upper sealing groove 104, the upper sealing groove 104 is communicated with an oil outlet 105, an arc-shaped plate 106 is connected to the edge of the upper sealing groove 104 at equal intervals, limiting rods 107 are symmetrically connected in the lower sealing groove 102, internal threads are formed in the inner wall of the upper sealing groove 104 and the inner wall of the arc-shaped plate 106 and matched with the valve rod assembly 2, an annular groove 108 is formed in the oil outlet 105, and a sealing ring 109 is arranged in the annular groove 108;

when using, can drive seal assembly 3 through valve rod assembly 2 and remove, realize opening or closing the effect to valve body 1 through seal assembly 3, play good sealed effect to valve body 1 through seal assembly 3 simultaneously, avoid taking place to leak the phenomenon.

In the second embodiment, on the basis of the first embodiment, the valve rod assembly 2 includes a hollow rod 201 inserted into the oil outlet 105, oil holes 202 are equidistantly formed in the outer wall of the bottom end of the hollow rod 201, the oil holes 202 are communicated with the inside of the hollow rod 201, the hollow rod 201 is connected with an upper sealing plug 203 and a rotating block 205, the upper sealing plug 203 is located in the upper sealing groove 104, the upper sealing plug 203 is connected with a screw 204, the screw 204 is used in cooperation with the sealing assembly 3, the outer wall of the upper sealing plug 203 and the outer wall of the screw 204 are both provided with external threads, the thread directions of the two are opposite, the thread pitch of the external thread on the screw 204 is greater than that of the external thread on the upper sealing plug 203, the sealing assembly 3 comprises a thread cylinder 301 in threaded connection with the screw 204, a lower sealing plug 302 is connected onto the thread cylinder 301, the lower sealing plug 302 is positioned in the lower sealing groove 102, limiting holes 303 are symmetrically formed in the lower sealing plug 302, and the limiting holes 303 are in sliding sleeve connection with the limiting rod 107;

when oil drainage is needed, the hollow rod 201 is driven to rotate only through the rotating block 205, the hollow rod 201 drives the upper sealing plug 203 to move, and the upper sealing plug 203 moves along the upper sealing groove 104 and the arc-shaped plate 106 in a threaded mode, so that the upper sealing plug 203 moves out of the upper sealing groove 104; meanwhile, the upper sealing plug 203 drives the screw 204 to rotate, the thread direction of the screw 204 is opposite to that of the upper sealing plug 203, and the thread pitch of the screw 204 can be twice of the thread pitch of the external thread of the upper sealing plug 203, so that the screw 204 drives the thread cylinder 301 to move in a thread manner, the thread cylinder 301 drives the lower sealing plug 302 to move out of the lower sealing groove 102, the lower sealing plug 302 can be limited to rotate under the matching of the limiting rod 107 and the limiting hole 303, oil can be fed through the oil inlet 101, and then enters the hollow rod 201 through the lower sealing groove 102, the cavity 103, the upper sealing groove 104 and the oil hole 202 in sequence, and the oil drainage process is realized;

when oil drainage is not needed, the rotating block 205 is rotated reversely, the rotating block 205 enables the upper sealing plug 203 to enter the upper sealing groove 104 through a driving mode similar to the driving mode, so that a sealing effect is achieved, meanwhile, the lower sealing plug 302 enters the lower sealing groove 102 for sealing, a secondary sealing effect is achieved, and therefore the oil drainage valve has good sealing performance and is not prone to leakage.

Claims

1. The utility model provides a quick fuel outlet valve, includes valve body (1), its characterized in that: a valve rod assembly (2) is arranged in the valve body (1), a sealing assembly (3) is connected to the valve rod assembly (2), and the sealing assembly (3) is used for sealing the valve body (1);

an oil inlet (101) is formed at the bottom end of the valve body (1), the oil inlet (101) is communicated with a lower sealing groove (102), the lower sealing groove (102) is communicated with a cavity (103), the cavity (103) is communicated with an upper sealing groove (104), the upper sealing groove (104) is communicated with an oil outlet (105), an arc-shaped plate (106) is equidistantly connected to the edge of the upper sealing groove (104), and limiting rods (107) are symmetrically connected in the lower sealing groove (102).

2. The quick drain valve according to claim 1, wherein: the inner wall of the upper sealing groove (104) and the inner wall of the arc-shaped plate (106) are both provided with internal threads, and the internal threads are matched with the valve rod assembly (2) for use.

3. A quick drain valve as claimed in claim 1, wherein: an annular groove (108) is formed in the oil outlet (105), and a sealing ring (109) is arranged in the annular groove (108).

4. A quick drain valve as claimed in claim 1, wherein: valve rod subassembly (2) are including hollow pole (201) of pegging graft with oil-out (105), and oilhole (202) have been seted up to the bottom outer wall equidistance of hollow pole (201), and oilhole (202) and the inside intercommunication of hollow pole (201), are connected with on hollow pole (201) sealing plug (203) and commentaries on classics piece (205), go up sealing plug (203) and are located seal groove (104), go up and be connected with screw rod (204) on sealing plug (203), screw rod (204) and seal assembly (3) cooperation use.

5. The quick drain valve according to claim 4, wherein: the outer wall of the upper sealing plug (203) and the outer wall of the screw rod (204) are both provided with external threads, the thread directions of the two are opposite, and the thread pitch of the external threads on the screw rod (204) is larger than that of the external threads on the upper sealing plug (203).

6. The quick drain valve according to claim 4, wherein: the sealing assembly (3) comprises a threaded cylinder (301) in threaded connection with the screw (204), a lower sealing plug (302) is connected to the threaded cylinder (301), and the lower sealing plug (302) is located in the lower sealing groove (102).

7. The quick drain valve according to claim 6, wherein: the lower sealing plug (302) is symmetrically provided with limiting holes (303), and the limiting holes (303) are in sliding sleeve joint with the limiting rod (107).