阅读说明：本技术 一种阀杆螺母可快速拆装的石油泵阀 (But valve-stem nut quick assembly disassembly's oil pump valve ) 是由 李志龙 于 2021-09-01 设计创作，主要内容包括：本发明涉及石油运输技术领域,尤其涉及一种阀杆螺母可快速拆装的石油泵阀。所述阀杆螺母可快速拆装的石油泵阀包括阀体,所述阀体上通过安装法兰连接有阀盖,所述阀盖上安装有阀杆,且所述阀杆贯穿于阀盖,所述阀杆的下端部延伸至阀体内,且所述阀杆的底部连接有用于开启或关闭阀门的阀瓣,所述阀杆的顶部通过手轮螺母连接有手轮,还包括阀杆螺母快速拆装组件,所述阀杆螺母快速拆装组件安装于阀盖上,并与所述阀杆相连接。本发明提供的阀杆螺母可快速拆装的石油泵阀,利用阀杆挤压硅胶套环,使润滑油挤出并对阀杆进行黏附润滑,能够有效防止阀杆在转动的过程中出现不流畅或是卡死的情况,进而以便于使用。(The invention relates to the technical field of petroleum transportation, in particular to a petroleum pump valve with a valve rod nut capable of being quickly disassembled and assembled. But valve-stem nut quick assembly disassembly's oil pump valve includes the valve body, be connected with the valve gap through mounting flange on the valve body, install the valve rod on the valve gap, just the valve rod runs through in the valve gap, the lower tip of valve rod extends to in the valve body, just the bottom of valve rod is connected with the valve clack that is used for opening or closing the valve, the top of valve rod is connected with the hand wheel through hand wheel nut, still includes valve-stem nut quick assembly disassembly subassembly, valve-stem nut quick assembly disassembly unit mount is on the valve gap, and with the valve rod is connected. According to the oil pump valve with the quickly-detachable valve rod nut, the valve rod is used for extruding the silica gel sleeve ring, so that lubricating oil is extruded out and the valve rod is lubricated in an adhering manner, the situation that the valve rod is not smooth or is stuck in the rotating process can be effectively prevented, and the oil pump valve is convenient to use.)

1. The utility model provides a but valve-stem nut quick assembly disassembly's oil pump valve, includes valve body (1), be connected with valve gap (3) through mounting flange (2) on valve body (1), install valve rod (5) on valve gap (3), just valve rod (5) run through in valve gap (3), the top of valve rod (5) is connected with hand wheel (6) through hand wheel nut, its characterized in that still includes valve-stem nut quick assembly disassembly subassembly (4), install on valve gap (3) valve-stem nut quick assembly disassembly subassembly (4), and with valve rod (5) are connected.

2. The oil pump valve with the quickly detachable valve-stem nut, according to claim 1, is characterized in that the quickly detachable valve-stem nut assembly (4) comprises a detachable nut (41), a silicone sleeve ring (410) is bonded on the inner wall of the detachable nut (41), a lubricating oil storage chamber (417) is formed inside the silicone sleeve ring (410), a large amount of lubricating oil is filled in the lubricating oil storage chamber (417), an internal thread (45) is formed on the inner wall of the silicone sleeve ring (410), a plurality of through holes (411) are further formed in the inner wall of the silicone sleeve ring (410), and the plurality of through holes (411) are uniformly distributed on the internal thread (45) and communicated with the lubricating oil storage chamber (417).

3. The oil pump valve of claim 2, wherein the silicone collar (410) is connected with a conduit (414) and is communicated with the lubricant storage chamber (417), the detachable nut (41) is provided with a through hole (47), the conduit (414) penetrates through the through hole (47) and extends to the outer side of the detachable nut (41), a fixed ring is fixedly mounted at the connecting position of the conduit (414) and the outer side of the detachable nut (41), the fixed ring is sleeved on the outer annular surface of the conduit (414), the other end of the conduit (414) is fixedly mounted with a connecting ring (415), and a screw cap (416) is connected with the connecting ring (415) in a threaded manner.

4. The oil pump valve of claim 3, wherein the outer annular surface of the silicone collar (410) is fixedly provided with a connecting piece, the connecting piece is formed by combining an arc-shaped plate (413) and a rectangular plate (412), the inner wall of the detachable nut (41) is provided with a connecting groove corresponding to the connecting piece, the connecting groove is formed by connecting an arc-shaped groove (49) and a rectangular groove (48), and the silicone collar (410) is arranged on the inner wall of the detachable nut (41) through the connecting piece and the connecting groove.

5. The oil pump valve with the quickly detachable stem nut as recited in claim 4, wherein the quickly detachable stem nut assembly (4) further comprises a fixing nut (42), a second protrusion (44) is fixedly mounted on the top of the fixing nut (42), a first protrusion (43) is fixedly mounted on the bottom of the detachable nut (41), an external thread (46) is disposed on the outer annular surface of the first protrusion (43), an internal thread (45) is disposed on the inner annular surface of the second protrusion (44), the second protrusion (44) is sleeved on the outer annular surface of the first protrusion (43), and the second protrusion (44) is in threaded connection with the first protrusion (43).

6. The oil pump valve with the quickly detachable valve rod nut as claimed in claim 5, wherein the valve cover (3) is provided with a round hole and a receiving groove (7), the area of the receiving groove (7) is larger than that of the round hole, the receiving groove (7) is communicated with the round hole, the fixing nut (42) is welded inside the receiving groove (7), the fixing nut (42) is attached to the top surface of the receiving groove (7), the second protrusion (44) penetrates through the round hole, and the detachable nut (41) is mounted at the top of the valve cover (3).

7. The oil pump valve with the quickly disassembled and assembled valve stem nut as claimed in claim 6, characterized in that the inner ring diameter of the detachable nut (41) is larger than that of the fixing nut (42), the inner ring surface of the fixing nut (42) is provided with internal threads (45), and the inner ring diameter of the fixing nut (42) is equal to that of the silica gel collar (410) and the inner ring diameter of the first protrusion (43).

8. The oil pump valve of claim 7, wherein the valve rod (5) is provided with an external thread (46), the valve rod (5) sequentially penetrates through the silica gel collar (410), the first protrusion (43) and the fixing nut (42) and is in threaded connection with the silica gel collar, the lower end of the valve rod (5) extends into the valve body (1), and the bottom of the valve rod (5) is connected with a valve flap for opening or closing the valve.

Technical Field

The invention relates to the technical field of petroleum transportation, in particular to a petroleum pump valve with a valve rod nut capable of being quickly disassembled and assembled.

Background

Petroleum refers to a mixture of hydrocarbons in gaseous, liquid and solid states, with natural occurrence. Petroleum is classified into crude oil, natural gas liquids, natural coke oils, etc., but "petroleum" is still used as the definition of "crude oil" in a conventional manner. Petroleum is a viscous, dark brown liquid known as "industrial blood". Petroleum is used mainly as fuel and gasoline, and also as a raw material for many chemical industry products such as solutions, fertilizers, pesticides, and plastics.

At present, in the process of transporting petroleum, a petroleum pump valve is generally required to be used for transporting or stopping petroleum, and the opening or closing of the petroleum pump valve is realized by controlling a valve rod to rotate on a valve rod nut through a hand wheel, so that a valve clack at the bottom of the valve rod is opened or closed, and the effect of starting or stopping petroleum transportation is achieved.

Therefore, there is a need to provide a new petroleum pump valve with a quick detachable stem nut to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problem, the invention provides the oil pump valve which can lubricate the valve rod so as to facilitate the use of the valve rod nut and can be quickly disassembled and assembled.

The petroleum pump valve with the quickly detachable valve rod nut comprises a valve body, wherein a valve cover is connected to the valve body through a mounting flange, a valve rod is mounted on the valve cover and penetrates through the valve cover, a hand wheel is connected to the top of the valve rod through a hand wheel nut, and the petroleum pump valve further comprises a valve rod nut quickly detaching and assembling assembly, wherein the valve rod nut quickly detaching and assembling assembly is mounted on the valve cover and connected with the valve rod.

Preferably, valve-stem nut quick assembly disassembly subassembly is including dismantling the nut, it has the silica gel lantern ring to bond on the detachable nut inner wall, the lubricating oil storage chamber has been seted up to silica gel lantern ring inside, the lubricating oil storage intracavity is filled with a large amount of lubricating oil, be provided with the internal thread on the silica gel lantern ring inner wall, a plurality of through-hole has still been seted up on the silica gel lantern ring inner wall, and a plurality of through-hole evenly distributed in be linked together on the internal thread and with lubricating oil storage chamber.

Preferably, a guide pipe is connected to the silica gel lantern ring and communicated with the lubricating oil storage cavity, a through hole is formed in the detachable nut, the guide pipe penetrates through the through hole and extends to the outer side of the detachable nut, a fixing ring is fixedly mounted at the joint of the guide pipe and the outer side of the detachable nut, the fixing ring is sleeved on the outer annular surface of the guide pipe, a connecting ring is fixedly mounted at the other end of the guide pipe, and a rotary cover is connected to the connecting ring in a threaded manner.

Preferably, the outer annular surface of the silica gel lantern ring is fixedly provided with a connecting piece, the connecting piece is formed by combining an arc-shaped plate and a rectangular plate, the inner wall of the detachable nut is provided with a connecting groove corresponding to the connecting piece, the connecting groove is formed by connecting the arc-shaped groove and the rectangular groove, and the silica gel lantern ring is arranged on the inner wall of the detachable nut through the connecting piece and the connecting groove.

Preferably, the valve-stem nut quick-assembly-disassembly assembly further comprises a fixing nut, a second protrusion is fixedly mounted at the top of the fixing nut, a first protrusion is fixedly mounted at the bottom of the detachable nut, an external thread is arranged on the outer annular surface of the first protrusion, an internal thread is arranged on the inner annular surface of the second protrusion, the second protrusion is sleeved on the outer annular surface of the first protrusion, and the second protrusion is in threaded connection with the first protrusion.

Preferably, round hole and holding tank have been seted up on the valve gap, the area of holding tank is greater than the round hole, just the holding tank is linked together with the round hole, fixation nut welds in the inside of holding tank, just fixation nut laminates mutually with the groove top surface of holding tank, the second arch runs through in the round hole, removable nut installs in the top of valve gap.

Preferably, the diameter of the inner ring of the detachable nut is larger than that of the inner ring of the fixed nut, an internal thread is arranged on the inner ring surface of the fixed nut, and the diameter of the inner ring of the fixed nut is equal to the diameters of the silica gel sleeve ring and the first raised inner ring.

Preferably, be provided with the external screw thread on the valve rod, just the valve rod runs through in silica gel lantern ring, first arch and fixation nut in proper order to threaded connection mutually with it, the tip extends to in the valve body under the valve rod, just the bottom of valve rod is connected with the valve clack that is used for opening or closing the valve.

Compared with the related art, the oil pump valve with the valve rod nut capable of being quickly disassembled and assembled has the following beneficial effects:

1. the invention provides an oil pump valve with a valve rod nut capable of being quickly disassembled and assembled, wherein a valve rod is utilized to extrude a silica gel sleeve ring, so that lubricating oil is extruded out and the valve rod is lubricated in an adhering manner, and the condition that the valve rod is not smooth or is blocked in the rotating process can be effectively prevented, so that the oil pump valve is convenient to use;

2. the invention provides an oil pump valve with a valve rod nut capable of being quickly disassembled and assembled, wherein a valve rod is adopted to extrude a silica gel sleeve ring, so that lubricating oil is extruded out and the valve rod is lubricated in an adhering manner, and a worker does not need to manually paint the lubricating oil, so that the oil pump valve is more convenient and quicker to use, and the service life of the oil pump valve is further prolonged;

3. the invention provides an oil pump valve with a quickly detachable valve rod nut, wherein the valve rod nut is arranged in a mode of being composed of a detachable nut and a fixed nut, and when the valve rod nut needs to be detached or installed, the valve rod nut can be detached or installed in a mode of being in threaded connection with the fixed nut, so that the effect of quick detachment is achieved.

Drawings

FIG. 1 is a schematic overall structural view of a preferred embodiment of a rapidly detachable valve stem nut oil pump valve according to the present invention;

FIG. 2 is an exploded view of the present invention illustrating a rapid stem nut assembly;

FIG. 3 is a cross-sectional structural schematic view of the removable nut of the present invention;

FIG. 4 is a schematic view of a partial structure of a silica gel grommet according to the present invention;

fig. 5 is a schematic structural view of the fixing nut according to the present invention.

Reference numbers in the figures: 1. a valve body; 2. installing a flange; 3. a valve cover; 4. the valve rod nut is quickly disassembled and assembled; 41. the nut can be disassembled; 42. fixing a nut; 43. a first protrusion; 44. a second protrusion; 45. an internal thread; 46. an external thread; 47. a through hole; 48. a rectangular groove; 49. an arc-shaped slot; 410. a silicone rubber lantern ring; 411. a through hole; 412. a rectangular plate; 413. an arc-shaped plate; 414. a conduit; 415. a connecting ring; 416. screwing a cover; 417. a lubricating oil storage chamber; 5. a valve stem; 6. a hand wheel; 7. and (6) accommodating the tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1, in the oil pump valve with a quickly detachable stem nut provided by the embodiment of the present invention, the oil pump valve with a quickly detachable stem nut includes a valve body 1, the valve body 1 is connected to a valve cover 3 through a mounting flange 2, the valve cover 3 is provided with a valve rod 5, the valve rod 5 penetrates through the valve cover 3, the lower end of the valve rod 5 extends into the valve body 1, the bottom of the valve rod 5 is connected to a valve flap for opening or closing the valve, the top of the valve rod 5 is connected to a hand wheel 6 through a hand wheel nut, the hand wheel 6 is used for driving the valve rod 5 to rotate to complete opening or closing the valve, and the oil pump valve further includes a stem nut quickly detachable assembly 4, and the stem nut quickly detachable assembly 4 is mounted on the valve cover 3 and connected to the valve rod 5.

It should be noted that: utilize valve rod 5 extrusion silica gel lantern ring 410, make lubricating oil extrude and adhere the lubrication to valve rod 5, can prevent effectively that valve rod 5 from appearing not smooth or the dead condition of card at the pivoted in-process, and then so that use.

It should also be noted that: the hand wheel 6 can drive the valve rod 5 to rotate, and the valve clack is connected to the bottom of the valve rod 5, and can open or close the valve along with the rotation of the valve rod 5.

In an embodiment of the present invention, referring to fig. 2 and 4, the valve-stem nut quick-detaching assembly 4 includes a detachable nut 41, a silicone collar 410 is bonded to an inner wall of the detachable nut 41, a lubricating oil storage chamber 417 is formed inside the silicone collar 410, a large amount of lubricating oil is filled in the lubricating oil storage chamber 417, an internal thread 45 is formed on an inner wall of the silicone collar 410, a plurality of through holes 411 are further formed on an inner wall of the silicone collar 410, and the through holes 411 are uniformly distributed on the internal thread 45 and are communicated with the lubricating oil storage chamber 417.

In this embodiment: the valve rod 5 is in threaded connection with the silica gel collar 410;

it should be noted that: because the silica gel collar 410 is adhered to the inner wall of the detachable nut 41, the silica gel collar 410 is a ring body, and the ring body is internally provided with a lubricating oil storage chamber 417 which is filled with a large amount of lubricating oil, the inner wall of the silica gel collar 410 is provided with an internal thread 45, the valve rod 5 is provided with an external thread 46, the valve rod 5 is in threaded connection with the silica gel collar 410, when the valve rod 5 is in threaded connection with the silica gel collar 410, because the valve rod 5 can apply pressure to the silica gel collar 410, the internal thread 45 on the inner wall of the silica gel collar 410 is provided with a plurality of through holes 411, and the plurality of through holes 411 are communicated with the lubricating oil storage chamber 417, under the external pressure of the valve rod 5, the lubricating oil in the lubricating oil storage chamber 417 can be extruded from the through holes 411, and the valve rod 5 is in abutting connection with the internal thread 45 on the inner wall of the silica gel collar 410, when the lubricating oil is extruded, because the lubricating oil has adhesiveness, the lubricating oil can be adhered to the outer wall of the valve rod 5, along with the rotation of the valve rod 5, lubricating oil can be fully distributed on the valve rod 5, so that the lubricating effect is achieved, the situation that the valve rod 5 is not smooth or is blocked in the rotating process is prevented, and the use is facilitated;

it should also be noted that: adopt valve rod 5 extrusion silica gel lantern ring 410, make lubricating oil extrude and adhere lubricated mode to valve rod 5, need not the manual smearing of lubricating oil of workman to also more convenient and fast when using, further also improved the life of device.

In an embodiment of the present invention, referring to fig. 3 and 4, a guide tube 414 is connected to the silicone collar 410 and is communicated with the lubricant storage cavity 417, a through hole 47 is formed in the detachable nut 41, the guide tube 414 penetrates through the through hole 47 and extends to an outer side of the detachable nut 41, a fixing ring is fixedly mounted at a connection position of the guide tube 414 and the outer side of the detachable nut 41, the fixing ring is sleeved on an outer annular surface of the guide tube 414, a connection ring 415 is fixedly mounted at the other end of the guide tube 414, and a screw cap 416 is threadedly connected to the connection ring 415.

It should be noted that: when the amount of the lubricant in the lubricant storage chamber 417 is small, the screw cap 416 can be unscrewed from the connection ring 415, that is, the inlet end of the duct 414 is opened, and since the duct 414 is communicated with the lubricant storage chamber 417, the lubricant can be pumped through the duct 414, so that the amount of the lubricant in the lubricant storage chamber 417 can be replenished for subsequent use.

In the embodiment of the present invention, referring to fig. 3 and 4, a connecting element is fixedly mounted on an outer annular surface of the silicone collar 410, the connecting element is formed by combining an arc-shaped plate 413 and a rectangular plate 412, a connecting groove corresponding to the connecting element is formed on an inner wall of the detachable nut 41, the connecting groove is formed by connecting an arc-shaped groove 49 and a rectangular groove 48, and the silicone collar 410 is mounted on the inner wall of the detachable nut 41 through the connecting element and the connecting groove.

It should be noted that: because be connected with the connecting piece on the silica gel lantern ring 410 outer wall, the spread groove has been seted up on the detachable nut 41 inner wall, and the connecting piece matches with the spread groove is corresponding, silica gel lantern ring 410 accessible connecting piece and spread groove are installed on the inner wall of detachable nut 41, and silica gel lantern ring 410 the rest is then connected on the inner wall of detachable nut 41 through the mode that bonds, double connection mode, can make valve rod 5 in carrying out the joining process with silica gel lantern ring 410, more firm, silica gel lantern ring 410 can not produce easily not hard up, thereby improve the stability that valve rod 5 connects.

In an embodiment of the present invention, referring to fig. 1, fig. 2, fig. 3 and fig. 5, the stem nut quick-release assembly 4 further includes a fixing nut 42, a second protrusion 44 is fixedly installed on a top of the fixing nut 42, a first protrusion 43 is fixedly installed on a bottom of the detachable nut 41, an outer annular surface of the first protrusion 43 is provided with an external thread 46, an inner annular surface of the second protrusion 44 is provided with an internal thread 45, the second protrusion 44 is sleeved on the outer annular surface of the first protrusion 43, and the second protrusion 44 is in threaded connection with the first protrusion 43;

the valve cover 3 is provided with a round hole and an accommodating groove 7, the area of the accommodating groove 7 is larger than that of the round hole, the accommodating groove 7 is communicated with the round hole, the fixing nut 42 is welded inside the accommodating groove 7, the fixing nut 42 is attached to the groove top surface of the accommodating groove 7, the second protrusion 44 penetrates through the round hole, and the detachable nut 41 is installed at the top of the valve cover 3;

the diameter of the inner ring of the detachable nut 41 is larger than that of the inner ring of the fixed nut 42, the inner ring surface of the fixed nut 42 is provided with internal threads 45, and the diameter of the inner ring of the fixed nut 42 is equal to the diameters of the inner rings of the silica gel collar 410 and the first protrusion 43;

the valve rod 5 is provided with an external thread 46, and the valve rod 5 sequentially penetrates through the silica gel collar 410, the first protrusion 43 and the fixing nut 42 and is in threaded connection with the silica gel collar.

It should be noted that: the valve rod nut is arranged to be composed of the detachable nut 41 and the fixed nut 42, when the valve rod nut needs to be detached or installed, the detachable nut 41 and the fixed nut 42 can be detached or installed in a threaded connection mode, and therefore the effect of quick detachment and installation is achieved;

it should also be noted that: because the valve cap 3 is provided with the accommodating groove 7 and the circular hole which are communicated with each other, the fixed nut 42 is welded inside the accommodating groove 7, the top of the fixed nut 42 is provided with the second protrusion 44, the bottom of the detachable nut 41 is fixedly provided with the first protrusion 43, the inner wall of the second protrusion 44 is provided with the internal thread 45, the outer wall of the first protrusion 43 is provided with the external thread 46, the second protrusion 44 is sleeved outside the first protrusion 43, the second protrusion 44 is in threaded connection with the first protrusion 43, when the detachable nut 41 is installed, the detachable nut 41 can be installed inside the second protrusion 44 through the first protrusion 43 and screwed, at the moment, the top of the second protrusion 44 is abutted against the top of the detachable nut 41, namely, the installation is completed, and when the detachable nut 41 is detached, the detachable nut 41 can be detached from the fixed nut 42 through the opposite direction, thereby realizing the effect of quick assembly and disassembly;

in the present embodiment: because the inner ring diameter of the detachable nut 41 is greater than the inner ring diameter of the fixing nut 42, and the inner ring diameter of the silica gel collar 410 is equal to the inner ring diameters of the fixing nut 42 and the first protrusion 43, when the valve rod 5 is connected, the silica gel collar 410 firstly penetrates through, then the silica gel collar 410 passes through the first protrusion 43, and finally penetrates through the inside of the fixing nut 42, and the inner ring surfaces of the silica gel collar 410, the first protrusion 43 and the fixing nut 42 are both provided with internal threads 45, external threads 46 are arranged on the outer side of the valve rod 5, and the two external threads are connected through threads, so that the valve rod 5 can rotate.

The working principle of the oil pump valve with the quickly detachable valve rod nut provided by the invention is as follows: when the valve rod 5 is in threaded connection with the silicone collar 410, because the valve rod 5 applies pressure to the silicone collar 410, under the external pressure of the valve rod 5, the lubricating oil in the lubricating oil storage cavity 417 can be extruded out from the through hole 411, and the valve rod 5 is in abutting connection with the internal thread 45 on the inner wall of the silicone collar 410, after the lubricating oil is extruded out, because the lubricating oil has adhesiveness, the lubricating oil can be adhered to the outer wall of the valve rod 5, and along with the rotation of the valve rod 5, the lubricating oil can be fully distributed on the valve rod 5, so that the lubricating effect is achieved, the unsmooth or dead-up condition in the rotation process of the valve rod 5 is prevented, and the use is further facilitated;

when the detachable nut 41 is installed, the detachable nut 41 can be installed inside the second protrusion 44 through the first protrusion 43, the detachable nut 41 is screwed, the top of the second protrusion 44 abuts against the top of the detachable nut 41 at the moment, namely, the installation is completed, and when the detachable nut 41 is detached, the detachable nut 41 can be detached from the fixed nut 42 in the opposite direction, so that the effect of quick detachment is achieved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.