CN217234510U

CN217234510U - High-sealing oil outlet valve

Info

Publication number: CN217234510U
Application number: CN202123149508.2U
Authority: CN
Inventors: 杨明涛; 张长财; 夏秋燕; 王秀霞; 郑云
Original assignee: Shandong Youyipang Pump Technology Co ltd
Current assignee: Shandong Youyipang Pump Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-08-19
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a high sealed oil outlet valve belongs to oil outlet valve technical field, which comprises a valve body, the interior bottom of valve body is provided with outer spiro ring, cyclic annular arch and sealing washer, outer spiro ring and valve body threaded connection, and the sealing washer is located between cyclic annular arch and the outer spiro ring, the inside of valve body is provided with sealing member and pressure spring, pressure spring's one end is installed on the sealing member, and pressure spring's the other end installs on outer spiro ring, the surface of sealing member is conical surface one, the internal surface middle part of valve body is conical surface two, conical surface one and conical surface two formation surface contact, pressure spring's inside is run through there are locating lever and a location section of thick bamboo. The utility model discloses a set up the middle part of valve body internal surface into conical surface two for the sealing member can form the face contact with the internal surface of valve body, thereby is showing the wear resistance that has improved the delivery valve, and sealing performance is good, avoids appearing the phenomenon of refluence, and long service life.

Description

High-sealing oil outlet valve

Technical Field

The utility model relates to an oil outlet valve technical field specifically is a high sealed oil outlet valve.

Background

The oil outlet valve is a one-way valve, and is one of the precision matching parts in the oil injection pump, and has the function of isolating the high-pressure oil pipe from the cavity at the upper end of the plunger when the oil supply is stopped, so as to prevent the oil in the high-pressure oil pipe from flowing back into the oil injection pump.

The case sealing member of present oil outlet valve is generally the ball shape, and the position that sets up at oil outlet valve body internal surface and case sealing member contact is right angle portion usually, that is to say, the contact between case sealing member and the valve body is the line contact, because the contact position of line contact can wear and tear more easily, consequently after using a certain period, the oil outlet valve will appear the refluence phenomenon because of the leakproofness descends, and the actual use effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high sealed delivery valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high sealed oil outlet valve, includes the valve body, the interior bottom of valve body is provided with outer spiro union, cyclic annular arch and sealing washer, outer spiro union and valve body threaded connection, and the sealing washer is located between cyclic annular arch and the outer spiro union, the inside of valve body is provided with sealing member and pressure spring, pressure spring's one end is installed on the sealing member, and pressure spring's the other end installs on outer spiro union, the surface of sealing member is conical surface one, the internal surface middle part of valve body is conical surface two, conical surface one and conical surface two formation face contacts.

Preferably, the bottom of the sealing element is provided with a groove, and the groove is communicated with the inner cavity of the valve body.

Preferably, a positioning rod and a positioning barrel penetrate through the inside of the compression spring, the top end of the positioning rod is mounted on the inner top wall of the groove, the bottom end of the positioning rod is inserted into the positioning barrel in a sliding mode, and the bottom end of the positioning barrel is mounted on the inner wall of the outer spiral ring through a connecting piece.

Preferably, the bottom of locating lever is provided with the bayonet joint, and the bayonet joint is the toper structure, the bayonet joint sets up with the locating lever for integrated into one piece.

Preferably, the bottom end of the valve body is connected with a first fixing ring, the bottom end of the external spiral ring is connected with a second fixing ring, the inside of the first fixing ring is hinged with a ratchet through a pin shaft, the outer wall of the second fixing ring is provided with a plurality of ratchet grooves, and one end of the ratchet is inserted into one of the ratchet grooves through an elastic part.

Preferably, the elastic part is a spring piece, one end of the spring piece is fixed to the first fixing ring, the other end of the spring piece is pressed on the ratchet, and an arc-shaped surface is formed at the contact position of the spring piece and the ratchet.

Preferably, the inner surface of the groove is provided with a plurality of sheets, and the sheets and the sealing element are integrally formed.

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

1. this high sealed delivery valve sets up to conical surface two through the middle part with the valve body internal surface for the sealing member can form the face contact with the internal surface of valve body, thereby is showing the wear resistance who has improved the delivery valve, and sealing performance is good, avoids appearing the phenomenon of refluence, and long service life.

2. This high sealed oil outlet valve through setting up the recess, cooperates a plurality of thin slices again, can increase the surface area of sealing member to strengthen its heat dispersion, reduce the wearing and tearing that the sealing member produced because of the friction heat energy.

3. This high sealed delivery valve through setting up sliding connection's locating lever and a location section of thick bamboo for the sealing member can realize linear movement in the inside of valve body, reduces the wearing and tearing that the sealing member produced because of the dislocation.

4. This high sealed delivery valve through setting up ratchet and ratchet groove, utilizes the interact power between the two for the outer screw ring can only screw up the rotation, and the not hard up phenomenon of nature can not appear, has improved the structural stability of valve body.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a top sectional view of a first fixing ring in accordance with embodiment 1;

fig. 3 is a bottom view of the seal member of example 2.

In the figure: 1. a valve body; 2. an exo-spiro ring; 3. an annular projection; 4. a seal member; 5. a compression spring; 6. a first conical surface; 7. a second conical surface; 8. positioning a rod; 9. a positioning cylinder; 10. a connecting member; 11. a plug-in connector; 12. a first fixing ring; 13. a second fixing ring; 14. a pin shaft; 15. a ratchet; 16. a ratchet groove; 17. a spring plate; 18. an arc-shaped surface; 19. a groove; 20. a sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 2, the high-sealing oil outlet valve of the embodiment includes a valve body 1, an external spiral ring 2, an annular protrusion 3 and a sealing ring are arranged at the inner bottom of the valve body 1, the sealing ring can realize the sealing connection between the external spiral ring 2 and the annular protrusion 3, the external spiral ring 2 is in threaded connection with the valve body 1, the sealing ring is located between the annular protrusion 3 and the external spiral ring 2, a sealing member 4 and a compression spring 5 are arranged inside the valve body 1, the compression spring 5 is used for tightly mounting the sealing member 4 inside the valve body 1 to realize the function of the check valve, one end of the compression spring 5 is mounted on the sealing member 4, the other end of the compression spring 5 is mounted on the external spiral ring 2, the outer surface of the sealing member 4 is a first conical surface 6, the middle part of the inner surface of the valve body 1 is a second conical surface 7, the first conical surface 6 is in surface contact with the second conical surface 7, by setting the middle part of the inner surface of the valve body 1 as a second conical surface 7, make sealing member 4 can form the face contact with the internal surface of valve body 1 to showing the wear resistance who has improved the delivery valve, sealing performance is good, avoids appearing the phenomenon of refluence, and long service life.

Specifically, the bottom of the sealing element 4 is provided with the groove 19, the groove 19 is communicated with the inner cavity of the valve body 1, and the surface area of the sealing element 4 can be increased by arranging the groove 19, so that the heat dissipation performance of the sealing element is enhanced, and the abrasion of the sealing element 4 caused by friction heat energy is reduced.

Further, pressure spring 5's inside is run through and is had locating lever 8 and a locating cylinder 9, the interior roof at recess 19 is installed on the top of locating lever 8, and the bottom of locating lever 8 slides and pegs graft in the inside of a locating cylinder 9, the inner wall of spiro 2 outside is installed through connecting piece 10 to the bottom of a locating cylinder 9, locating lever 8 and a locating cylinder 9 through setting up sliding connection, make sealing member 4 can realize linear movement in the inside of valve body 1, reduce the wearing and tearing that sealing member 4 produced because of the dislocation.

Further, the bottom of locating lever 8 is provided with bayonet joint 11, and bayonet joint 11 is the toper structure, and bayonet joint 11 sets up for integrated into one piece with locating lever 8, and the bayonet joint 11 of toper structure has made things convenient for the grafting of locating lever 8.

Further, the bottom end of the valve body 1 is connected with a first fixing ring 12, the bottom end of the outer screw ring 2 is connected with a second fixing ring 13, the first fixing ring 12 is internally hinged with a ratchet 15 through a pin shaft 14, the pin shaft 14 can realize movable installation of the ratchet 15, so that the outer screw ring can be inserted into one ratchet groove 16 under the elastic action of the elastic part, the outer wall of the second fixing ring 13 is provided with a plurality of ratchet grooves 16, one end of the ratchet 15 is inserted into one ratchet groove 16 through the elastic part, the ratchet 15 and the ratchet groove 16 are arranged, the interaction force between the ratchet 15 and the ratchet groove 16 is utilized, the outer screw ring 2 can only be screwed and rotated, the phenomenon of natural looseness can not occur, and the structural stability of the valve body 1 is improved.

Furthermore, the elastic part is specifically a spring piece 17, the spring piece 17 is high in structural strength and good in use stability, one end of the spring piece 17 is fixed to the first fixing ring 12, the other end of the spring piece 17 is pressed on the ratchet 15, and an arc-shaped surface 18 is formed at the contact position of the spring piece 17 and the ratchet 15 so as to reduce friction force between the spring piece 17 and the ratchet 15.

The application method of the embodiment comprises the following steps: in a normal state, a first conical surface 6 on the sealing element 4 is in surface contact with a second conical surface 7 on the valve body 1, so that the wear resistance of the oil outlet valve is improved, the sealing performance is good, the backflow phenomenon is avoided, the service life is long, when the sealing element 4 is pressed, the sealing element can overcome the elastic force of the compression spring 5 to move downwards, in the process, the positioning rod 8 can slide on the positioning cylinder 9, so that the sealing element 4 can linearly move in the valve body 1, the abrasion of the sealing element 4 due to dislocation is reduced, when the outer spiral ring 2 needs to be dismounted, firstly, the end, provided with the arc-shaped surface 18, of the ratchet tooth of the spring piece 17 is controlled to be far away from the ratchet tooth 15, then, one end of the ratchet tooth 15 is moved out of the ratchet groove 16, then, the outer spiral ring 2 can be rotated until the outer spiral ring is separated from the valve body 1, the operation is simple, the practicability is strong, and the outer spiral ring 2 can only be screwed and rotated by utilizing the interaction force between the ratchet tooth 15 and the ratchet groove 16, and the phenomenon of natural looseness can not occur, and the structural stability of the valve body 1 is improved.

Example 2

The structure of the high-sealing oil outlet valve of the embodiment is basically the same as that of the high-sealing oil outlet valve of the embodiment 1, and the difference is that: the inner surface of the groove 19 is provided with a plurality of sheets 20, and the sheets 20 are integrally formed with the sealing member 4, and the sheets 20 can further increase the heat dissipation area of the sealing member 4 (see fig. 3).

The using method of the embodiment comprises the following steps: after the sealing element 4 generates heat due to friction and other factors, the sheet 20 can quickly dissipate the heat, so that the sealing element 4 is prevented from being heated to cause serious abrasion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high sealed delivery valve, includes valve body (1), its characterized in that: the interior bottom of valve body (1) is provided with outer spiral ring (2), cyclic annular arch (3) and sealing washer, outer spiral ring (2) and valve body (1) threaded connection, and the sealing washer is located between cyclic annular arch (3) and outer spiral ring (2), the inside of valve body (1) is provided with sealing member (4) and pressure spring (5), the one end of pressure spring (5) is installed on sealing member (4), and the other end of pressure spring (5) is installed on outer spiral ring (2), the surface of sealing member (4) is conical surface (6), the internal surface middle part of valve body (1) is conical surface two (7), and conical surface (6) and conical surface two (7) form the face contact.

2. The high-sealing oil outlet valve according to claim 1, wherein: the bottom of the sealing element (4) is provided with a groove (19), and the groove (19) is communicated with the inner cavity of the valve body (1).

3. The high-sealing oil outlet valve according to claim 2, characterized in that: a positioning rod (8) and a positioning barrel (9) penetrate through the inside of the compression spring (5), the top end of the positioning rod (8) is installed on the inner top wall of the groove (19), the bottom end of the positioning rod (8) is slidably inserted into the positioning barrel (9), and the bottom end of the positioning barrel (9) is installed on the inner wall of the outer spiral ring (2) through a connecting piece (10).

4. The high-sealing oil outlet valve according to claim 3, characterized in that: the bottom of locating lever (8) is provided with bayonet joint (11), and bayonet joint (11) are the toper structure, bayonet joint (11) and locating lever (8) are integrated into one piece and set up.

5. The high-sealing oil outlet valve according to claim 1, characterized in that: the bottom of valve body (1) is connected with solid fixed ring one (12), the bottom of outer spiral ring (2) is connected with solid fixed ring two (13), and solid fixed ring one (12) is inside to articulate through round pin axle (14) has ratchet (15), and a plurality of ratchet grooves (16) have been seted up to solid fixed ring two (13) outer wall, the one end of ratchet (15) is passed through the elasticity portion and is pegged graft in one of them ratchet groove (16).

6. The high-sealing oil outlet valve according to claim 5, characterized in that: the elastic part is specifically a spring piece (17), one end of the spring piece (17) is fixed with the first fixing ring (12), the other end of the spring piece (17) is pressed on the ratchet (15), and an arc-shaped surface (18) is formed at the contact position of the spring piece (17) and the ratchet (15).

7. The high-sealing oil outlet valve according to claim 2, characterized in that: the inner surface of the groove (19) is provided with a plurality of sheets (20), and the sheets (20) and the sealing element (4) are integrally formed.