CN216478933U

CN216478933U - Metal sealing device of high-pressure plunger pump

Info

Publication number: CN216478933U
Application number: CN202220072634.8U
Authority: CN
Inventors: 王宙; 戌乂凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-10
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a metal seal device of high pressure plunger pump, including the plunger pump, the plunger pump includes the input shaft, and the seal groove has been seted up to one side of plunger pump, the one end of input shaft runs through the outside that the seal groove extends to the plunger pump, and the seal groove is kept away from on its open-ended one side inner wall and is fixed with movable sleeve and establish the sealed pad on the input shaft, sealed movable sleeve is equipped with solid fixed ring on the input shaft, and gu fixed ring's right side fixedly connected with movable sleeve establishes the quiet ring in the seal groove, and the right side of quiet ring is equipped with movable sleeve and establishes the rotating ring on the input shaft. The utility model discloses utilize the cooperation of sealed rubber ring and sealed pad to seal up the input shaft, be convenient for adjust the elasticity to the spring according to actual need, reach the elastic pressure of the adjustment rotating ring of being convenient for to sealed pad, improve and last sealing stability, personnel can reduce the change frequency to sealed pad through the mode of the tight pressure of periodic adjustment elasticity, prolong its life, satisfy the user demand.

Description

Metal sealing device of high-pressure plunger pump

Technical Field

The utility model relates to a plunger pump technical field especially relates to a metal seal device of high pressure plunger pump.

Background

The high-pressure plunger pump has the characteristic of transmitting high-pressure liquid medium, and is suitable for operations such as washing, sand cleaning, rust removal, liquid transmission and the like; however, to ensure that the moving plunger is working properly during the delivery of high pressure liquid medium, the sealing structure is critical, and because of the high pressure in the pump, a mechanical seal is required at the connection of the drive shaft and the end cap.

Through retrieval, the metal sealing device of the high-pressure plunger pump with the authorization notice number CN212297597U comprises a plunger pump, wherein the plunger pump comprises an input shaft, one side of the plunger pump is provided with a sealing groove, one end of the input shaft penetrates through the sealing groove and extends to the outside of the plunger pump, a sealing gasket is fixed on the inner wall of one side of the sealing groove, which is far away from the opening, the sealing gasket is sleeved on the outside of the input shaft, the outside of the input shaft is fixed with a fixed ring, a fixed sleeve and a mechanical sealing device, the mechanical sealing device and the fixed sleeve are respectively positioned on two sides of the input shaft, a sealing ring is fixed on the inner wall of the fixed ring, the sealing ring is tightly attached to the outer wall of the input shaft and is matched with the input shaft, the mechanical sealing device comprises a fixed ring and a movable ring, and the fixed ring and the movable ring are connected through a spring, the metal sealing device has a reasonable structure, is ingenious in design and is simple in operation, and can effectively avoid the problem that the mechanical sealing device is easy to loosen, the sealing performance of the whole plunger pump is guaranteed, the plunger pump is convenient to disassemble and assemble, the sealing structure can be conveniently disassembled, assembled and replaced, and the plunger pump is easy to popularize and use.

The sealing is realized by the way that the sealing ring and the control movable ring are elastically pressed on one side of the sealing gasket; however, the metal sealing device of the high-pressure plunger pump still has some defects, the elasticity of the spring is not convenient to adjust according to actual needs, the elastic pressure of the movable ring on the sealing gasket is further not convenient to adjust, the sealing gasket cannot be effectively and stably continuously sealed when the sealing gasket is aged, shrunk and thinned in long-time use, the frequency of dismounting and replacing the sealing gasket is high, the use requirement cannot be met, and the metal sealing device of the high-pressure plunger pump is further extended and improved aiming at the phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a metal sealing device of a high-pressure plunger pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metal sealing device of a high-pressure plunger pump comprises a plunger pump, wherein the plunger pump comprises an input shaft, one side of the plunger pump is provided with a sealing groove, one end of the input shaft penetrates through the sealing groove and extends to the outside of the plunger pump, a sealing gasket movably sleeved on the input shaft is fixed on the inner wall of one side, away from an opening, of the sealing groove, a fixing ring is movably sleeved on the input shaft in a sealing manner, a stationary ring movably sleeved in the sealing groove is fixedly connected to the right side of the fixing ring, a movable ring movably sleeved on the input shaft is arranged on the right side of the stationary ring, the right side of the movable ring is in movable contact with the left side of the sealing gasket, the stationary ring is movably sleeved on the input shaft, and the left side of the fixing ring is fixedly connected with a fixing sleeve slidably mounted on the input shaft;

circular recess has all been seted up to the right side top and the right side bottom of quiet ring, and the sealed movable sleeve of circular recess is equipped with the right-hand member and is the violently pipe of block structure, violently the right-hand member of managing extend to outside the quiet ring and with the left side fixed connection of rotating ring, fixedly connected with spring on the right-hand member inner wall of violently managing, fixedly connected with direction extrusion subassembly on the left side inner wall of circular recess, the right side of direction extrusion subassembly and the left end fixed connection of the spring that corresponds, the outside of fixed cover is rotated the cover and is equipped with the synchronous drive subassembly, two screw rods of right side fixedly connected with of synchronous drive subassembly, and the right-hand member of screw rod extends to the circular recess that corresponds in, and direction extrusion subassembly thread bush is established on the screw rod that corresponds.

Preferably, the direction extrusion subassembly includes the guide bar of fixed connection on circular slot left side inner wall, and the right-hand member fixedly connected with stopper of guide bar slides the cover on the guide bar and is equipped with the pressure regulating board, and the right side of pressure regulating board is seted up with the screw hole of corresponding screw rod threaded connection, and the spring movable sleeve is established on the screw rod that corresponds, and pressure regulating board slides the cover and establishes in the circular slot that corresponds, the left end of spring and the right side fixed connection of the pressure regulating board that corresponds.

Preferably, the synchronous driving assembly comprises an inner gear ring rotatably sleeved on the outer side of the fixing sleeve, the outer side of the inner gear ring is fixedly connected with a plurality of handle rods in an annular shape at equal intervals, two gears are meshed with the inner side of the inner gear ring, and the right sides of the two gears are fixedly connected with the left ends of the corresponding screw rods respectively.

Preferably, the top of input shaft is seted up the spacing spout that the left side set up for the opening, and fixedly connected with limiting slide block on the top inner wall of fixed cover, limiting slide block's front side and rear side respectively with limiting slide block's front side inner wall and rear side inner wall movable contact, set up the thread groove on limiting slide block's the bottom inner wall, thread groove internal thread cover is equipped with T shape bolt, and limiting slide block and the equal thread bush of fixed cover are established on T shape bolt.

Preferably, the outer side of the transverse pipe is bonded and sleeved with a sealing rubber sheet, and the outer side of the sealing rubber sheet is in movable contact with the inner wall of the corresponding circular groove.

Preferably, a sealing rubber ring is fixedly bonded on the inner side of the fixing ring, and the inner side of the sealing rubber ring is movably contacted with the outer side of the input shaft.

Preferably, two round holes are formed in the right side of the fixing ring, two first bearings are fixedly sleeved in the round holes, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the corresponding screw rods.

Preferably, the right side of the pressure regulating plate is provided with a rectangular hole in sliding connection with the outer side of the corresponding guide rod.

Preferably, the inner side of the inner ring gear is fixedly connected with a second bearing, and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the fixing sleeve.

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

the utility model discloses utilize the cooperation of sealed rubber ring and sealed pad to seal up the input shaft, be convenient for adjust the elasticity to the spring according to actual need, reach the elastic pressure of the adjustment rotating ring of being convenient for to sealed pad, improve and last sealing stability, personnel can reduce the change frequency to sealed pad through the mode of the tight pressure of periodic adjustment elasticity, prolong its life, satisfy the user demand.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a metal sealing device of a high-pressure plunger pump according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is the utility model provides a metal seal device's of high-pressure plunger pump solid fixed ring, fixed cover, ring gear, spacing slider and handle bar connecting piece left side view structure schematic diagram.

In the figure: 100. a plunger pump; 101. an input shaft; 102. a sealing groove; 103. a gasket; 104. a fixing ring; 105. sealing the rubber ring; 1. fixing a sleeve; 2. a stationary ring; 3. a circular groove; 4. a transverse tube; 5. a pressure regulating plate; 6. a guide bar; 7. a spring; 8. a screw; 9. an inner gear ring; 10. a gear; 11. a handle bar; 12. a limiting chute; 13. a limiting slide block; 14. a T-bolt; 15. a movable ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a metal sealing device of a high-pressure plunger pump includes a plunger pump 100, the plunger pump 100 includes an input shaft 101, one side of the plunger pump 100 is provided with a sealing groove 102, one end of the input shaft 101 penetrates through the sealing groove 102 and extends to the outside of the plunger pump 100, a sealing gasket 103 movably sleeved on the input shaft 101 is fixed on the inner wall of one side of the sealing groove 102 away from the opening, a fixed ring 104 is movably sleeved on the input shaft 101 in a sealing manner, a stationary ring 2 movably sleeved in the sealing groove 102 is fixedly connected to the right side of the fixed ring 104, a movable ring 15 movably sleeved on the input shaft 101 is arranged on the right side of the stationary ring 2, the right side of the movable ring 15 is movably contacted with the left side of the sealing gasket 103, the stationary ring 2 is movably sleeved on the input shaft 101, and the left side of the fixed ring 104 is fixedly connected with a fixed sleeve 1 slidably mounted on the input shaft 101;

the top of the right side and the bottom of the right side of the static ring 2 are both provided with a circular groove 3, a transverse pipe 4 with the right end in a plugging structure is movably sleeved in the circular groove 3 in a sealing manner, the right end of the transverse pipe 4 extends out of the static ring 2 and is fixedly connected with the left side of the movable ring 15, the inner wall of the right end of the transverse pipe 4 is fixedly connected with a spring 7, the inner wall of the left side of the circular groove 3 is fixedly connected with a guide extrusion assembly, the right side of the guide extrusion assembly is fixedly connected with the left end of the corresponding spring 7, the outer side of the fixed sleeve 1 is rotatably sleeved with a synchronous driving assembly, the right side of the synchronous driving assembly is fixedly connected with two screw rods 8, the right end of each screw rod 8 extends into the corresponding circular groove 3, and the guide extrusion assembly is in a threaded manner and is sleeved on the corresponding screw rod 8;

the guide extrusion assembly comprises a guide rod 6 fixedly connected to the inner wall of the left side of the circular groove 3, the right end of the guide rod 6 is fixedly connected with a limiting block, a pressure regulating plate 5 is slidably sleeved on the guide rod 6, a threaded hole in threaded connection with a corresponding screw 8 is formed in the right side of the pressure regulating plate 5, a spring 7 is movably sleeved on the corresponding screw 8, the pressure regulating plate 5 is slidably sleeved in the corresponding circular groove 3, and the left end of the spring 7 is fixedly connected with the right side of the corresponding pressure regulating plate 5;

synchronous drive subassembly establishes the ring gear 9 in fixed cover 1 outside including rotating the cover, and the outside of ring gear 9 is a plurality of handle bars 11 of equidistant fixedly connected with of annular, and the inboard meshing of ring gear 9 has two gears 10, and the right side of two gears 10 respectively with the left end fixed connection of the screw rod 8 that corresponds, the utility model discloses utilize the cooperation of sealed rubber ring 105 and sealed pad 103 to seal input shaft 101, be convenient for adjust the elasticity to spring 7 according to actual need, reach the elastic pressure of the adjustment rotating ring 15 to sealed pad 103 of being convenient for, improve and last sealing stability, personnel tighten the mode of pressure through periodic adjustment elasticity, can reduce the change frequency to sealed pad 103, prolong its life, satisfy the user demand.

In the utility model, the top of the input shaft 101 is provided with a limit chute 12 with the left side arranged as an opening, a limit slider 13 is fixedly connected on the inner wall of the top of a fixed sleeve 1, the front side and the rear side of the limit slider 13 are respectively in movable contact with the inner wall of the front side and the inner wall of the rear side of the limit chute 12, the inner wall of the bottom of the limit chute 12 is provided with a thread groove, the thread groove is internally threaded with a T-shaped bolt 14, the limit slider 13 and the fixed sleeve 1 are in threaded sleeve connection with the T-shaped bolt 14, the outer side of a transverse pipe 4 is in adhesive sleeve connection with a sealing rubber sheet, the outer side of the sealing rubber sheet is in movable contact with the inner wall of a corresponding circular groove 3, the inner side of a fixed ring 104 is fixedly bonded with a sealing rubber ring 105, the inner side of the sealing rubber ring 105 is in movable contact with the outer side of the input shaft 101, the right side of the fixed ring 104 is provided with two circular holes, the circular hole is internally fixed sleeve with two first bearings, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of a corresponding screw 8, the right side of pressure regulating plate 5 is offered and is corresponded 6 outside sliding connection's of guide bar rectangular hole, the inboard fixedly connected with second bearing of ring gear 9, the inboard outside fixed connection with fixed cover 1 of inner circle of second bearing, the utility model discloses utilize the cooperation of sealed rubber ring 105 and sealed pad 103 to seal up input shaft 101, be convenient for adjust the elasticity to spring 7 according to actual need, reach the elastic pressure of the adjustment rotating ring 15 of being convenient for to sealed pad 103, improve and last sealing stability, personnel tighten the mode of pressure through periodic adjustment elasticity, can reduce the change frequency to sealed pad 103, prolong its life, satisfy the user demand.

The working principle is as follows: when the device is used, the input shaft 101 is sealed by the matching of the sealing rubber ring 105 and the sealing gasket 103, the input shaft 101 can drive the fixed sleeve 1 to rotate through the limiting slide block 13 when rotating, the fixed sleeve 1 drives the static ring 2 to rotate through the fixed ring 104, the static ring 2 drives the dynamic ring 15 to rotate along with the left side of the sealing gasket 103 through the two transverse pipes 4, when the sealing gasket 103 is aged, contracted and thinned along with long-time use, the phenomenon of separation from the dynamic ring 15 can occur, when the device is adjusted, the handle rod 11 is pulled to drive the internal gear ring 9 to rotate, the internal gear ring 9 drives the two gears 10 to rotate, the gears 10 drive the corresponding screw rods 8 to rotate, under the action of threaded holes arranged on the pressure regulating plates 5, the screw rods 8 can drive the corresponding pressure regulating plates 5 to slide on the guide rods 6 rightwards, the pressure regulating plates 5 compress the corresponding springs 7 rightwards, and the initial compression degree of the springs 7 rightwards can be adjusted according to actual requirements, reach the adjusting spring 7 to the right elasticity of stretching of violently pipe 4 and rotating ring 15 that corresponds, utilize the mode that elasticity was stretched tightly, can guarantee that rotating ring 15 all the time and sealed the pad 103 in close contact with, personnel can reduce the change frequency to sealed pad 103 through the mode of the tight pressure of periodic adjustment elasticity, prolong its life.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a metal seal device of high pressure plunger pump, includes plunger pump (100), plunger pump (100) includes input shaft (101), and seal groove (102) have been seted up to one side of plunger pump (100), the one end of input shaft (101) runs through seal groove (102) and extends to the outside of plunger pump (100), and seal groove (102) are kept away from on its open-ended one side inner wall and are fixed with movable cover and establish sealed pad (103) on input shaft (101), its characterized in that, sealed movable sleeve is equipped with solid fixed ring (104) on input shaft (101), and the right side fixedly connected with activity cover of solid fixed ring (104) establishes quiet ring (2) in seal groove (102), and the right side of quiet ring (2) is equipped with movable sleeve and establishes rotating ring (15) on input shaft (101), and the right side of rotating ring (15) and the left side movable contact of sealed pad (103), and quiet ring (2) movable sleeve is established on input shaft (101), the left side of the fixed ring (104) is fixedly connected with a fixed sleeve (1) which is slidably arranged on the input shaft (101);

circular recess (3) have all been seted up to the right side top and the right side bottom of quiet ring (2), and circular recess (3) inner seal activity cover is equipped with the right-hand member and is horizontal pipe (4) of block structure, the right-hand member of violently managing (4) extend to quiet ring (2) outer and with the left side fixed connection of rotating ring (15), violently manage fixedly connected with spring (7) on the right-hand member inner wall of (4), fixedly connected with direction extrusion subassembly on the left side inner wall of circular recess (3), the right side of direction extrusion subassembly and the left end fixed connection of the spring (7) that corresponds, the outside of fixed cover (1) is rotated the cover and is equipped with synchronous drive subassembly, two screw rods (8) of synchronous drive subassembly's right side fixedly connected with, and the right-hand member of screw rod (8) extends to in corresponding circular recess (3), and direction extrusion subassembly thread bush is established on corresponding screw rod (8).

2. The metal sealing device of the high-pressure plunger pump according to claim 1, wherein the guiding extrusion assembly comprises a guide rod (6) fixedly connected to the inner wall of the left side of the circular groove (3), a limiting block is fixedly connected to the right end of the guide rod (6), a pressure regulating plate (5) is sleeved on the guide rod (6) in a sliding mode, a threaded hole in threaded connection with a corresponding screw rod (8) is formed in the right side of the pressure regulating plate (5), a spring (7) is movably sleeved on the corresponding screw rod (8), the pressure regulating plate (5) is sleeved in the corresponding circular groove (3) in a sliding mode, and the left end of the spring (7) is fixedly connected to the right side of the corresponding pressure regulating plate (5).

3. The metal sealing device of the high-pressure plunger pump according to claim 1, characterized in that the synchronous driving component comprises an inner gear ring (9) rotatably sleeved on the outer side of the fixing sleeve (1), a plurality of handle rods (11) are fixedly connected to the outer side of the inner gear ring (9) in an annular shape at equal intervals, two gears (10) are engaged with the inner side of the inner gear ring (9), and the right sides of the two gears (10) are respectively fixedly connected with the left ends of the corresponding screw rods (8).

4. The metal sealing device of the high-pressure plunger pump as recited in claim 1, wherein the top of the input shaft (101) is provided with a limiting sliding groove (12) with an opening at the left side, the inner wall of the top of the fixing sleeve (1) is fixedly connected with a limiting sliding block (13), the front side and the rear side of the limiting sliding block (13) are respectively in movable contact with the inner wall of the front side and the inner wall of the rear side of the limiting sliding groove (12), the inner wall of the bottom of the limiting sliding groove (12) is provided with a threaded groove, a T-shaped bolt (14) is sleeved in the threaded groove, and the limiting sliding block (13) and the fixing sleeve (1) are both sleeved on the T-shaped bolt (14) in a threaded manner.

5. The metal sealing device of the high-pressure plunger pump according to claim 1, characterized in that the outer side of the horizontal tube (4) is bonded and sleeved with a sealing rubber sheet, and the outer side of the sealing rubber sheet is movably contacted with the inner wall of the corresponding circular groove (3).

6. The metal sealing device of the high-pressure plunger pump according to claim 1, wherein a sealing rubber ring (105) is fixedly bonded to the inner side of the fixing ring (104), and the inner side of the sealing rubber ring (105) is in movable contact with the outer side of the input shaft (101).

7. The metal sealing device of the high-pressure plunger pump as claimed in claim 1, wherein two round holes are formed in the right side of the fixing ring (104), two first bearings are fixedly sleeved in the round holes, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the corresponding screw rods (8).

8. The metal sealing device of the high-pressure plunger pump as claimed in claim 2, wherein the right side of the pressure regulating plate (5) is provided with a rectangular hole in sliding connection with the outer side of the corresponding guide rod (6).

9. The metal sealing device of a high-pressure plunger pump according to claim 3, characterized in that a second bearing is fixedly connected to the inner side of the inner ring gear (9), and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the fixing sleeve (1).