CN214888984U

CN214888984U - Power-assisted flat valve

Info

Publication number: CN214888984U
Application number: CN202121583201.0U
Authority: CN
Inventors: 田径; 彭庆生; 魏黎芝; 陈治宏; 周德宏; 李哲辉; 徐士楷; 洪崇亮; 李高; 李功平
Original assignee: Yancheng Hiromichi Petroleum Machinery Co ltd
Current assignee: Yancheng Hiromichi Petroleum Machinery Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-26
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a helping hand wafer valve relates to oil valve technical field, the utility model discloses a valve body, valve gap and well first steel ring, the movable groove has been seted up to the inside of valve body, the inside fixedly connected with brake shoe assembly in movable groove, the inside swing joint of brake shoe assembly has the flashboard, the top fixedly connected with valve-stem nut of flashboard, valve-stem nut's inside threaded connection has the valve rod, the top surface fixedly connected with support of valve gap, one side swing joint of support has full tooth screw, the inside wall fixed connection plane bearing of support, plane bearing's inside fixedly connected with adapter sleeve, the top fixedly connected with mount pad of support, the inside swing joint of mount pad has the rotation axis, the bottom of rotation axis and the top fixed connection of adapter sleeve, one side meshing of rotation axis has the worm wheel, the one end fixedly connected with hand wheel of worm wheel. The utility model relates to a helping hand wafer valve through the worm wheel for at the in-process that rotatory hand wheel drove the flashboard and rises, more laborsaving.

Description

Power-assisted flat valve

Technical Field

The utility model relates to a petroleum valve technical field, in particular to helping hand wafer valve.

Background

A flat gate valve is a sliding valve whose closing member is a parallel gate plate. The closing member can be a single gate or a double gate with a spreader mechanism in between. The pressing force of the flashboard to the valve seat is controlled by the medium pressure acting on the floating flashboard or the floating valve seat, and the flashboard has stronger corrosion resistance, wear resistance and erosion resistance, thereby being ideal novel equipment in the petroleum industry.

When the flashboard is opened, a hand wheel is generally manually rotated to directly drive the flashboard to move upwards, and the opening process is laborious, so that the power-assisted flat valve is needed to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a helping hand wafer valve can effectively solve and open the comparatively hard problem of process in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a power-assisted flat valve comprises a valve body, a valve cover and a middle steel ring, wherein a movable groove is formed in the valve body, a brake seat assembly is fixedly connected in the movable groove, a flashboard is movably connected in the brake seat assembly, a valve rod nut is fixedly connected to the top of the flashboard, a valve rod is connected to the inner thread of the valve rod nut, a thread groove is arranged in the top of the valve cover in a penetrating mode, the valve cover is connected with a stud bolt through the thread groove in a threaded mode, a fixing nut is connected to the outer surface of one end, protruding out of the valve cover, of the stud bolt in a threaded mode, a sealing element is fixedly connected to the inner side wall of the valve cover, a filler cover plate is fixedly connected to the top of the sealing element, a support is fixedly connected to the outer surface of the top of the valve cover, a full-thread screw is movably connected to one side of the support, a plane bearing is fixedly connected to the inner side wall of the support, and a connecting sleeve is fixedly connected to the inside of the plane bearing, the top fixedly connected with mount pad of support, the top fixed mounting of mount pad has the end cap, the inside swing joint of mount pad has the rotation axis, the bottom of rotation axis and the top fixed connection of adapter sleeve, one side meshing of rotation axis has the worm wheel, the one end fixedly connected with hand wheel of worm wheel.

Preferably, the floodgate seat assembly includes interior seat and the outer seat of fixed connection at interior seat surface, the surface of outer seat and the inside wall fixed connection of valve body, the first O type circle of junction fixedly connected with of interior seat and outer seat, the surface of outer seat and the inside wall junction of activity groove be fixedly connected with second O type circle and third O type circle respectively.

Preferably, a through hole is arranged on the outer surface of the gate plate in a penetrating mode, and the inner diameter of the through hole is matched with that of a passage hole of the valve body.

Preferably, the movable groove of the valve body is communicated with the passage hole, the movable groove is also formed in the valve cover, and the movable groove of the valve body is communicated with the movable groove of the valve cover.

Preferably, a through groove penetrates through the top of the movable groove of the valve cover, and the inner diameter of the through groove is matched with the outer surface of the valve rod in size.

Preferably, one end of the valve rod penetrates through the outer surface of the valve cover and extends to the outer surface of the valve cover, the valve rod is inserted into the connecting sleeve, a pin is arranged on the outer surface of the connecting sleeve, and the connecting sleeve and the valve rod are fixed through the pin.

Preferably, one side of the valve body is fixedly connected with a first grease injection valve, one side of the valve cover is fixedly connected with a second grease injection valve, a valve port of the first grease injection valve is communicated with the movable groove of the valve body, and a valve port of the second grease injection valve is communicated with the through groove of the valve cover.

Preferably, a fourth sealing ring is fixedly connected to a joint of the filler cover plate and the support, a grease nipple penetrates through the inside of the support, and an opening end of the grease nipple is communicated with the inside of the support.

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

the utility model discloses in, through rotatory hand wheel, it is rotatory to drive the worm wheel, thereby it is rotatory to make the worm wheel drive the rotation axis of meshing with it, and then it is rotatory to make the rotation axis drive the adapter sleeve, it is rotatory to make the adapter sleeve drive the valve rod with this, the valve rod will drive valve-stem nut rebound this moment, thereby make valve-stem nut drive the flashboard and shift up, and along with the rising of flashboard, make the coincidence region of through-hole and via hole increase gradually, when extremely limiting position, the through-hole coincides completely with the via hole, the valve is opened entirely this moment, realize opening of wafer valve with this, and pass through the worm wheel, make the in-process at rotatory hand wheel, and is more laborsaving.

Drawings

Fig. 1 is a schematic view of the overall structure of a power-assisted flat valve of the present invention;

fig. 2 is an enlarged schematic view of a structure a of the power-assisted flat valve of the present invention shown in fig. 1;

fig. 3 is an enlarged schematic view of a structure B of the power-assisted flat valve of the present invention shown in fig. 1;

fig. 4 is an enlarged schematic view of a structure C of the power-assisted flat valve of fig. 1 of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a middle steel ring; 4. a brake shoe assembly; 41. a first O-ring; 42. a second O-ring; 43. a third O-ring; 5. a shutter plate; 6. a valve stem nut; 7. a valve stem; 8. a stud bolt; 9. fixing a nut; 10. a first grease injection valve; 11. a second grease injection valve; 12. a seal member; 13. a filler cover plate; 14. a support; 15. a full-tooth screw; 16. a fourth seal ring; 17. a pin; 18. connecting sleeves; 19. a flat bearing; 20. a grease nipple; 21. a mounting seat; 22. a plug; 23. a rotating shaft; 24. a worm gear; 25. a handwheel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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" and "second" 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.

Referring to fig. 1-4, the utility model relates to a power-assisted flat valve, which comprises a valve body 1, a valve cover 2 and a middle steel ring 3, wherein a movable groove is arranged inside the valve body 1, a brake base assembly 4 is fixedly connected inside the movable groove, a brake plate 5 is movably connected inside the brake base assembly 4, a valve rod nut 6 is fixedly connected on the top of the brake plate 5, an internal thread of the valve rod nut 6 is connected with a valve rod 7, a thread groove is arranged on the top of the valve cover 2 in a penetrating way, the valve cover 2 is connected with a stud bolt 8 through the thread groove thread, the outer surface of one end of the stud bolt 8 protruding out of the top of the valve cover 2 is connected with a fixing nut 9 through the thread, the inner side wall of the valve cover 2 is fixedly connected with a sealing element 12, the top of the sealing element 12 is fixedly connected with a filler cover plate 13, the outer surface of the top of the valve cover 2 is fixedly connected with a support 14, one side of the support 14 is movably connected with a full-tooth screw 15, and the inner side wall of the support 14 is fixedly connected with a flat bearing 19, the connecting sleeve 18 is fixedly connected to the inside of the plane bearing 19, the mounting seat 21 is fixedly connected to the top of the support 14, the plug 22 is fixedly mounted at the top of the mounting seat 21, the rotating shaft 23 is movably connected to the inside of the mounting seat 21, the bottom of the rotating shaft 23 is fixedly connected to the top of the connecting sleeve 18, a worm wheel 24 is meshed to one side of the rotating shaft 23, and a hand wheel 25 is fixedly connected to one end of the worm wheel 24.

The brake seat assembly 4 comprises an inner seat and an outer seat fixedly connected to the outer surface of the inner seat, the outer surface of the outer seat is fixedly connected to the inner side wall of the valve body 1, a first O-shaped ring 41 is fixedly connected to the joint of the inner seat and the outer seat, a second O-shaped ring 42 and a third O-shaped ring 43 are fixedly connected to the joint of the outer surface of the outer seat and the inner side wall of the movable groove respectively, and the sealing performance between the inner seat and the outer seat as well as between the outer seat and the valve body 1 is improved through the arranged O-shaped rings.

The surface of flashboard 5 runs through and is provided with the through-hole, and the internal diameter size of through-hole and the internal diameter size phase-match in the passage hole of valve body 1 guarantee that the velocity of flow of valve body 1 can not reduce.

The movable groove of the valve body 1 is communicated with the passage hole, the movable groove is also formed in the valve cover 2, the movable groove of the valve body 1 is communicated with the movable groove of the valve cover 2, and the flashboard 5 can freely move in the valve body 1 and the valve cover 2.

The top of the movable groove of the valve cover 2 is provided with a through groove in a penetrating mode, the inner diameter of the through groove is matched with the outer surface of the valve rod 7 in size, and the valve rod 7 can rotate freely under the action of external force.

One end of the valve rod 7 extends to the outer surface of the valve cap 2 in a penetrating manner and is inserted into the connecting sleeve 18, the outer surface of the connecting sleeve 18 is provided with a pin 17, the connecting sleeve 18 and the valve rod 7 are fixed through the pin 17, and the valve rod 7 and the connecting sleeve 18 are fixed through the pin 17.

One side of the valve body 1 is fixedly connected with a first grease injection valve 10, one side of the valve cover 2 is fixedly connected with a second grease injection valve 11, a valve port of the first grease injection valve 10 is communicated with a movable groove of the valve body 1, a valve port of the second grease injection valve 11 is communicated with a through groove of the valve cover 2, and lubricating oil or grease is injected through the arranged grease injection valve, so that the lubricating effect of the valve rod 7 during rotation is achieved.

The fourth seal ring 16 is fixedly connected to the joint of the packing cover plate 13 and the bracket 14, a grease nipple 20 penetrates through the inside of the bracket 14, the open end of the grease nipple 20 is communicated with the inside of the bracket 14, and grease is added into the bracket 14 through the grease nipple 20, so that the lubricity of the plane bearing 19 is improved.

The utility model discloses a theory of operation does: through rotatory hand wheel 25, it is rotatory to drive worm wheel 24, thereby it is rotatory to make worm wheel 24 drive the rotation axis 23 of its meshing, and then make rotation axis 23 drive adapter sleeve 18 rotatory, make adapter sleeve 18 drive valve rod 7 rotatory with this, valve rod 7 will drive valve rod nut 6 rebound this moment, thereby make valve rod nut 6 drive flashboard 5 shift up, and along with the rising of flashboard 5, make the coincidence region of through-hole and passway hole increase gradually, when extreme position, the through-hole coincides completely with the passway hole, the valve is full-open this moment, realize opening of plate valve with this.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a helping hand wafer valve which characterized in that: comprises a valve body (1), a valve cover (2) and a middle steel ring (3), wherein a movable groove is formed in the valve body (1), a brake seat assembly (4) is fixedly connected in the movable groove, a brake disc (5) is movably connected in the brake seat assembly (4), a valve rod nut (6) is fixedly connected at the top of the brake disc (5), a valve rod (7) is connected with the internal thread of the valve rod nut (6), a thread groove is arranged at the top of the valve cover (2) in a penetrating manner, a stud bolt (8) is connected with the valve cover (2) through the thread groove, a fixing nut (9) is connected with the outer surface of one end of the stud bolt (8) protruding out of the top of the valve cover (2) in a threaded manner, a sealing element (12) is fixedly connected on the inner side wall of the valve cover (2), and a filler cover plate (13) is fixedly connected at the top of the sealing element (12), the utility model discloses a valve cover (2) for the valve of motor vehicle, including valve gap (2), top outer fixed surface is connected with support (14), one side swing joint of support (14) has full tooth screw (15), inside wall fixed connection flat bearing (19) of support (14), the inside fixedly connected with adapter sleeve (18) of flat bearing (19), the top fixedly connected with mount pad (21) of support (14), the top fixed mounting of mount pad (21) has end cap (22), the inside swing joint of mount pad (21) has rotation axis (23), the bottom of rotation axis (23) and the top fixed connection of adapter sleeve (18), the meshing of one side of rotation axis (23) has worm wheel (24), the one end fixedly connected with hand wheel (25) of worm wheel (24).

2. A power assist plate valve as defined in claim 1 wherein: the brake seat assembly (4) comprises an inner seat and an outer seat fixedly connected to the outer surface of the inner seat, the outer surface of the outer seat is fixedly connected to the inner side wall of the valve body (1), a first O-shaped ring (41) is fixedly connected to the joint of the inner seat and the outer seat, and a second O-shaped ring (42) and a third O-shaped ring (43) are fixedly connected to the joint of the outer surface of the outer seat and the inner side wall of the movable groove respectively.

3. A power assist plate valve as defined in claim 2 wherein: the outer surface of flashboard (5) runs through and is provided with the through-hole, the internal diameter size of through-hole and the internal diameter size phase-match in the passageway hole of valve body (1).

4. A power assist plate valve as defined in claim 3 wherein: the movable groove of the valve body (1) is communicated with the channel hole, the movable groove is also formed in the valve cover (2), and the movable groove of the valve body (1) is communicated with the movable groove of the valve cover (2).

5. A power assist plate valve as defined in claim 4 wherein: the top wall of the movable groove of the valve cover (2) is provided with a through groove in a penetrating mode, and the inner diameter of the through groove is matched with the outer surface of the valve rod (7).

6. A power assist plate valve as defined in claim 5 wherein: one end of the valve rod (7) penetrates through the outer surface of the valve cover (2) and extends to the inner part of the connecting sleeve (18) in an inserting mode, a pin (17) is arranged on the outer surface of the connecting sleeve (18), and the connecting sleeve (18) is fixed with the valve rod (7) through the pin (17).

7. A power assist plate valve as defined in claim 6 wherein: one side of the valve body (1) is fixedly connected with a first grease injection valve (10), one side of the valve cover (2) is fixedly connected with a second grease injection valve (11), a valve port of the first grease injection valve (10) is communicated with a movable groove of the valve body (1), and a valve port of the second grease injection valve (11) is communicated with a through groove of the valve cover (2).

8. A power assist plate valve as defined in claim 7 wherein: the joint of the filler cover plate (13) and the support (14) is fixedly connected with a fourth sealing ring (16), a grease nipple (20) penetrates through the interior of the support (14), and the open end of the grease nipple (20) is communicated with the interior of the support (14).