CN224188096U - A press-type oil machinery valve - Google Patents

Abstract

The utility model relates to the technical field of valves and discloses a push type petroleum machinery valve which comprises a tubular valve shell, wherein a sealing plug is inserted into the top end of the tubular valve shell, a threaded pipe is connected to the upper half of the tubular valve shell in a threaded mode, a sealing cover is sleeved at the top end of the threaded pipe, a valve rod assembly penetrates through the center of the sealing cover and the center of the sealing plug, an elastic assembly is arranged between the bottom end of the sealing cover and the outer wall of the threaded pipe, and a protection assembly is sleeved outside the elastic assembly. The sealing cover is driven to move up and down along the guide rod by screwing the knob, so that the compressed length of the spring is adjusted, the extrusion force between the sealing round table and the sealing ring is adjusted, the aim of conveniently adjusting the pressure during sealing is fulfilled, the fixed ring is sealed through the sealing cover, the bottom end of the sleeve is sealed through the supporting ring, a sealing cavity is formed in the sleeve, the spring is stored in the sealing cavity, and the purposes of coating the spring and preventing rust are fulfilled.

Description

Press type petroleum machinery valve

Technical Field

The utility model relates to the technical field of valves, in particular to a push type petroleum machinery valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc.

The utility model discloses a push type petroleum machinery valve, which has the application date of 2022-08-29 and the publication number of CN218000620U, and comprises a top plate, wherein a flow control mechanism is arranged at the bottom of the top plate, a conveying pipe is arranged at the bottom of the top plate, the conveying pipe is of a hollow structure, a plugging ring is arranged in the conveying pipe, a plurality of through holes are formed in the plugging ring, a hollow pipe is arranged at the bottom of the top plate, the hollow pipe is embedded in the conveying pipe, and a plurality of plugging blocks are arranged at the bottom of the hollow pipe.

However, in this technical solution, it is inconvenient to adjust the elasticity of the spring, that is, it is inconvenient to adjust the pressure during sealing, and the spring is exposed to the air and is easy to rust and damage, so that further improvement can be made.

Disclosure of utility model

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a pressing type petroleum machinery valve which has the advantages of being convenient for adjusting the pressure during sealing, coating the spring, preventing rust and the like, and solves the problems that the elasticity of the spring is inconvenient to adjust, the spring is exposed in the air and is easy to corrode.

(II) technical scheme

The utility model provides a pressing type petroleum machinery valve, which comprises a tubular valve shell, wherein the bottom end of the tubular valve shell is connected with a liquid outlet pipe, the right side of the middle part of the tubular valve shell is connected with a liquid inlet pipe, the top end of the tubular valve shell is inserted and connected with a sealing plug, the upper half part of the tubular valve shell is connected with a threaded pipe in a threaded manner, the top end of the threaded pipe is sleeved with a sealing cover, the centers of the sealing cover and the sealing plug are penetrated with a valve rod assembly, an elastic assembly is arranged between the bottom end of the sealing cover and the outer wall of the threaded pipe, and the outer side of the elastic assembly is sleeved with a protection assembly.

Preferably, the top end of the sealing plug is fixedly provided with a convex ring, the inner wall of the threaded pipe is fixedly provided with a compression ring, and the bottom of the compression ring and the top end of the tubular valve shell are respectively attached to the upper side and the lower side of the convex ring.

Preferably, the outer wall of the bottom end of the sealing cover is fixedly provided with an extension ring, the extension ring is provided with a first U-shaped groove in an array penetrating manner, the first U-shaped groove penetrates to the edge of the extension ring, and the center of the top of the sealing cover is provided with a threaded hole.

Preferably, the valve rod assembly comprises a valve rod body penetrating through the center of the sealing plug in a sliding mode, a sealing round table is fixedly arranged at the bottom end of the valve rod body and is in a round table shape, a sealing ring is fixedly arranged on the inner wall of the tubular valve shell and positioned below the liquid inlet pipe, the sealing round table is inserted into the sealing ring from bottom to top and seals the sealing ring, a connecting disc is fixedly arranged at the top end of the valve rod body, a sliding block is fixedly arranged at the edge array of the connecting disc, a sliding rail is fixedly arranged at the inner wall array of the threaded pipe and is in sliding connection with the sliding rail, a threaded rod is rotatably connected at the top of the connecting disc and is in threaded connection with the center of the sealing cover, and a knob is fixedly arranged at the top end of the threaded rod.

Preferably, the elastic component comprises an annular seat fixedly mounted on the outer wall of the threaded pipe, the annular seat is located under the extension ring, a second U-shaped groove is formed in the annular seat in an array penetrating mode, the second U-shaped groove penetrates to the edge of the annular seat, the second U-shaped groove corresponds to the first U-shaped groove one by one, the second U-shaped groove is located under the first U-shaped groove, a guide rod is inserted into the second U-shaped groove and the first U-shaped groove, threads are arranged at the bottom end of the guide rod, two nuts are connected with the bottom end of the guide rod in a threaded mode, the nuts are clamped on the upper side and the lower side of the annular seat, a spring is sleeved on the outer side of the guide rod, gaskets are fixedly mounted at two ends of the spring, and the two gaskets are respectively attached to the top of the annular seat and the bottom of the extension ring.

Preferably, the protection component comprises a sleeve sleeved outside the annular seat and the extension ring, a fixing ring is fixedly arranged at the top end of the sleeve, insertion holes are formed in the fixing ring in an array penetrating mode, the guide rods are connected in the insertion holes in a sliding mode, an annular flange is fixedly arranged on the outer wall of the bottom end of the sleeve, bolt holes are formed in the annular flange in an array penetrating mode, a supporting ring is fixedly arranged on the outer wall of the threaded pipe, and the annular flange is fixed on the supporting ring through bolts.

Preferably, the inner diameter of the fixed ring is equal to the outer diameter of the sealing cover, and the inner diameter of the sleeve is larger than the outer diameter of the extension ring.

(III) beneficial effects

Compared with the prior art, the utility model provides the push type petroleum machinery valve, which has the following beneficial effects:

1. According to the pressing type petroleum machinery valve, the knob is screwed to drive the sealing cover to move up and down along the guide rod, so that the compressed length of the spring is adjusted, the extrusion force between the sealing round table and the sealing ring is adjusted, and the aim of conveniently adjusting the pressure during sealing is fulfilled;

2. According to the pressing type petroleum machinery valve, the fixed ring is sealed through the sealing cover, the bottom end of the sleeve is sealed through the supporting ring, so that a sealing cavity is formed in the sleeve, and the spring is stored in the sealing cavity, thereby achieving the purposes of coating the spring and preventing rust;

3. When the spring needs to be replaced, the bolt between the annular flange and the supporting ring can be taken down, the sleeve is pulled up, the guide rod and the spring are exposed, the nut is unscrewed, the guide rod is taken down from the U-shaped groove I and the U-shaped groove II, and the spring is replaced, so that the purpose of conveniently replacing the spring is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cut-away structure of the present utility model;

FIG. 3 is a schematic perspective view of the seal housing and valve stem assembly of the present utility model.

Fig. 4 is a schematic perspective view of the elastic component and the protective component of the present utility model.

100 Parts of a tubular valve shell, 200 parts of a liquid outlet pipe, 300 parts of a liquid inlet pipe, 400 parts of a sealing plug, 500 parts of a threaded pipe, 600 parts of a sealing cover, 700 parts of a valve rod assembly, 800 parts of an elastic assembly, 900 parts of a protection assembly;

101. Sealing ring 401, convex ring 501, compression ring 601, extension ring 602, U-shaped groove I603, threaded hole 701, valve rod body 702, sealing round platform 703, connecting disc 704, sliding block 705, threaded rod 706, knob 707, sliding rail 801, annular seat 802, U-shaped groove II 803, guide rod 804, nut 805, spring 806, gasket 901, sleeve 902, fixing ring 903, jack 904, annular flange 905, bolt hole 906, support ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a push type petroleum machinery valve includes a tubular valve housing 100, a drain pipe 200 is connected to the bottom end of the tubular valve housing 100, a liquid inlet pipe 300 is connected to the right side of the middle of the tubular valve housing 100, a sealing plug 400 is inserted to the top end of the tubular valve housing 100, and the sealing plug 400 is used for sealing the top end of the tubular valve housing 100. The upper half of the tubular valve shell 100 is in threaded connection with a threaded pipe 500, a sealing cover 600 is sleeved on the top end of the threaded pipe 500, a valve rod assembly 700 is arranged in the center of the sealing cover 600 and the center of the sealing plug 400 in a penetrating mode, the valve rod assembly 700 is connected in the center of the sealing plug 400 in a penetrating and sliding mode, an elastic assembly 800 is arranged between the bottom end of the sealing cover 600 and the outer wall of the threaded pipe 500, and the sealing cover 600 has a trend of moving upwards through the elasticity of the elastic assembly 800. The outside of the elastic component 800 is sleeved with a protection component 900, and the outside of the elastic component 800 is protected by the protection component 900.

The top end of the sealing plug 400 is fixedly provided with a convex ring 401, the inner wall of the threaded pipe 500 is fixedly provided with a compression ring 501, and the bottom of the compression ring 501 and the top end of the tubular valve casing 100 are respectively attached to the upper side and the lower side of the convex ring 401. Thereby stably inserting the sealing plug 400 into the top end of the tubular valve housing 100 and keeping the top end of the tubular valve housing 100 sealed. And when the sealing plug 400 is replaced, the threaded pipe 500 is screwed, so that the threaded pipe 500 is removed from the tubular valve housing 100, and the sealing plug 400 can be taken out.

An extension ring 601 is fixedly arranged on the outer wall of the bottom end of the sealing cover 600, a U-shaped groove I602 is formed in the extension ring 601 in an array penetrating mode, the U-shaped groove I602 penetrates to the edge of the extension ring 601, the side wall, close to the center of the sealing cover 600, of the U-shaped groove I602 is semicircular, and a threaded hole 603 is formed in the center of the top of the sealing cover 600.

The valve rod assembly 700 comprises a valve rod body 701 penetrating through the center of the sealing plug 400 in a sliding connection mode, a sealing round table 702 is fixedly arranged at the bottom end of the valve rod body 701, the sealing round table 702 is in a round table shape, a sealing ring 101 is fixedly arranged on the inner wall of the tubular valve shell 100, the sealing ring 101 is located below the liquid inlet pipe 300, and the sealing round table 702 is inserted into the sealing ring 101 from bottom to top and seals the sealing ring 101.

The top of the valve rod body 701 is fixedly provided with a connecting disc 703, the edge array of the connecting disc 703 is fixedly provided with a sliding block 704, the inner wall array of the threaded pipe 500 is fixedly provided with a sliding rail 707, the sliding rail 707 is slidably connected in the sliding rail 707, the top of the connecting disc 703 is rotatably connected with a threaded rod 705, and the threaded rod 705 is in threaded connection with the center of the sealing cover 600, namely, the threaded rod 705 is in threaded connection with the threaded hole 603. A knob 706 is fixedly arranged at the top end of the threaded rod 705. By pressing the knob 706 downwards, the valve rod body 701 and the sealing round table 702 are moved downwards under the guiding action of the sliding block 704 and the sliding rail 707, the sealing ring 101 is not sealed any more, and the liquid inlet pipe 300 is communicated with the liquid outlet pipe 200.

The elastic assembly 800 comprises an annular seat 801 fixedly installed on the outer wall of the threaded pipe 500, the annular seat 801 is located under the extension ring 601, a U-shaped groove II 802 is formed in the annular seat 801 in an array penetrating mode, the U-shaped groove II 802 penetrates to the edge of the annular seat 801, the U-shaped groove II 802 corresponds to the U-shaped groove I602 one by one, and the U-shaped groove II 802 is located under the U-shaped groove I602.

Guide rods 803 are inserted into the U-shaped grooves two 802 and the U-shaped groove one 602, threads are arranged at the bottom ends of the guide rods 803, two nuts 804 are connected with the bottom ends of the guide rods 803 in a threaded mode, and the two nuts 804 are clamped on the upper side and the lower side of the annular seat 801, so that the guide rods 803 are stably arranged on the annular seat 801, the vertical movement path of the extension ring 601 is guided through the annular seat 801, and rotation of the seal cover 600 and the extension ring 601 can be restrained through the guide rods 803. In addition, by unscrewing the nut 804, the guide 803 can be removed from the first U-shaped channel 602 and the second U-shaped channel 802, facilitating replacement of the spring 805. The outside of the guide rod 803 is sleeved with a spring 805, two ends of the spring 805 are fixedly provided with washers 806, and the two washers 806 are respectively attached to the top of the annular seat 801 and the bottom of the extension ring 601. The seal cover 600 is driven to move upwards through the elasticity of the spring 805, so that the threaded rod 705, the connecting disc 703, the valve rod body 701 and the seal round table 702 have a trend of moving upwards, the seal round table 702 is tightly attached to the inner wall of the seal ring 101, and the seal effect on the seal ring 101 is ensured.

By screwing the knob 706, the guide rod 803 suppresses the rotation of the extension ring 601 and the seal cover 600, thereby driving the seal cover 600 to move up and down, and the adjustment spring 805 is initially compressed, thereby adjusting the pressing force between the seal land 702 and the seal ring 101. So that the minimum force with which the push knob 706 is moved downward is adjustable. When the spring 805 ages and the elasticity decreases, the knob 706 can be screwed to adjust the initial compression amount of the spring 805, so that the pressure between the sealing round table 702 and the sealing ring 101 is ensured, the sealing effect of the sealing ring 101 can be temporarily ensured, and the time is reserved for replacing the spring 805.

The protection assembly 900 comprises a sleeve 901 sleeved on the outer sides of the annular seat 801 and the extension ring 601, a fixed ring 902 is fixedly arranged at the top end of the sleeve 901, the inner diameter of the fixed ring 902 is equal to the outer diameter of the seal cover 600, the inner diameter of the sleeve 901 is slightly larger than the outer diameter of the extension ring 601, and the friction force between the extension ring 601 and the sleeve 901 is reduced. The fixed ring 902 is provided with insertion holes 903 penetrating through the array, and the guide rods 803 are slidably connected in the insertion holes 903. An annular flange 904 is fixedly arranged on the outer wall of the bottom end of the sleeve 901, bolt holes 905 are formed in the annular flange 904 in an array penetrating mode, a supporting ring 906 is fixedly arranged on the outer wall of the threaded pipe 500, and the annular flange 904 is fixed on the supporting ring 906 through bolts. Thus, the opening of the fixed ring 902 is sealed through the sealing cover 600, the bottom end of the sleeve 901 is sealed by the supporting ring 906, a sealing cavity is formed inside the sleeve 901, and the spring 805 is stored in the sealing cavity to prevent the spring 805 from being sprayed by wind and rain and prevent the spring 805 from being corroded.

When in use, the knob 706 is screwed to drive the sealing cover 600 to move up and down along the guide rod 803, so as to adjust the compressed length of the spring 805, and further adjust the extrusion force between the sealing round table 702 and the sealing ring 101, and adjust the sealing force;

by pressing the knob 706 downwards and matching with the guiding action of the sliding rail 707 and the sliding block 704, the threaded rod 705, the connecting disc 703 and the valve rod body 701 are vertically lowered, the sealing round table 702 is separated from the sealing ring 101, the liquid inlet pipe 300 is communicated with the liquid outlet pipe 200, after the knob 706 is loosened, the threaded rod 705 moves upwards under the elastic action of the spring 805, and the sealing round table 702 is inserted into the sealing ring 101 again for resetting;

When the spring 805 needs to be replaced, the bolts between the annular flange 904 and the supporting ring 906 can be removed, the sleeve 901 is pulled up, the guide rod 803 and the spring 805 are exposed, the nut 804 is unscrewed, the guide rod 803 is removed from the first U-shaped groove 602 and the second U-shaped groove 802, and the spring 805 is replaced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The push type petroleum machinery valve comprises a tubular valve shell (100) and is characterized in that a liquid outlet pipe (200) is connected to the bottom end of the tubular valve shell (100), a liquid inlet pipe (300) is connected to the right side of the middle of the tubular valve shell (100), a sealing plug (400) is inserted into the top end of the tubular valve shell (100), a threaded pipe (500) is connected to the upper half of the tubular valve shell (100) in a threaded mode, a sealing cover (600) is sleeved on the top end of the threaded pipe (500), a valve rod assembly (700) is arranged in the center of the sealing cover (600) and the sealing plug (400) in a penetrating mode, an elastic assembly (800) is arranged between the bottom end of the sealing cover (600) and the outer wall of the threaded pipe (500), and a protection assembly (900) is sleeved outside the elastic assembly (800).

2. The pressing type petroleum machinery valve of claim 1, wherein a convex ring (401) is fixedly arranged at the top end of the sealing plug (400), a pressing ring (501) is fixedly arranged on the inner wall of the threaded pipe (500), and the bottom of the pressing ring (501) and the top end of the tubular valve shell (100) are respectively attached to the upper side and the lower side of the convex ring (401).

3. The pressing type petroleum machinery valve according to claim 1, wherein an extension ring (601) is fixedly arranged on the outer wall of the bottom end of the sealing cover (600), a U-shaped groove I (602) is formed in the extension ring (601) in an penetrating mode in an array mode, the U-shaped groove I (602) penetrates to the edge of the extension ring (601), and a threaded hole (603) is formed in the center of the top of the sealing cover (600).

4. The pressing type petroleum machinery valve according to claim 1, wherein the valve rod assembly (700) comprises a valve rod body (701) penetrating through the center of the sealing plug (400), a sealing round table (702) is fixedly arranged at the bottom end of the valve rod body (701), the sealing round table (702) is in a round table shape, a sealing ring (101) is fixedly arranged on the inner wall of the tubular valve shell (100), the sealing ring (101) is positioned below the liquid inlet pipe (300), and the sealing round table (702) is inserted into the sealing ring (101) from bottom to top and seals the sealing ring (101);

A connecting disc (703) is fixedly arranged at the top end of the valve rod body (701), a sliding block (704) is fixedly arranged on the edge array of the connecting disc (703), a sliding rail (707) is fixedly arranged on the inner wall array of the threaded pipe (500), and the sliding rail (707) is in sliding connection with the sliding rail (707);

the top of the connecting disc (703) is rotationally connected with a threaded rod (705), the threaded rod (705) is in threaded connection with the center of the sealing cover (600), and a knob (706) is fixedly arranged at the top end of the threaded rod (705).

5. The pressing type petroleum machinery valve according to claim 3, wherein the elastic component (800) comprises an annular seat (801) fixedly installed on the outer wall of the threaded pipe (500), the annular seat (801) is located right below the extension ring (601), a U-shaped groove II (802) is formed in the annular seat (801) in an array penetrating mode, the U-shaped groove II (802) penetrates to the edge of the annular seat (801), the U-shaped groove II (802) corresponds to the U-shaped groove I (602) one by one, and the U-shaped groove II (802) is located right below the U-shaped groove I (602);

Guide bar (803) have been inserted in U-shaped groove two (802) and U-shaped groove one (602), guide bar (803) bottom is provided with the screw thread, guide bar (803) bottom threaded connection has two nuts (804), two nut (804) centre gripping is in annular seat (801) upside down, guide bar (803) outside cover is equipped with spring (805), equal fixed mounting in spring (805) both ends has packing ring (806), two packing ring (806) laminating respectively in annular seat (801) top and extension ring (601) bottom.

6. The pressing type petroleum machinery valve according to claim 1, wherein the protection component (900) comprises a sleeve (901) sleeved outside the annular seat (801) and the extension ring (601), a fixed ring (902) is fixedly arranged at the top end of the sleeve (901), insertion holes (903) are formed in the fixed ring (902) in an array penetrating mode, and the guide rods (803) are slidably connected in the insertion holes (903);

Annular flange (904) are fixedly arranged on the outer wall of the bottom end of sleeve (901), bolt holes (905) are formed in the annular flange (904) in an array penetrating mode, supporting rings (906) are fixedly arranged on the outer wall of threaded pipe (500), and the annular flange (904) is fixed on the supporting rings (906) through bolts.

7. A push type petroleum machinery valve according to claim 6, wherein said fixed ring (902) has an inner diameter equal to the outer diameter of the sealing cap (600), and said sleeve (901) has an inner diameter larger than the outer diameter of the extension ring (601).