CN209892492U - Stamping pump sealing device - Google Patents

Stamping pump sealing device Download PDF

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Publication number
CN209892492U
CN209892492U CN201920439279.1U CN201920439279U CN209892492U CN 209892492 U CN209892492 U CN 209892492U CN 201920439279 U CN201920439279 U CN 201920439279U CN 209892492 U CN209892492 U CN 209892492U
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CN
China
Prior art keywords
ring
spring
sleeve
sealing
movable ring
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920439279.1U
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Chinese (zh)
Inventor
申龙锡
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Nanjing Shuangxin Energy Saving And Environmental Protection Equipment Co Ltd
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Nanjing Shuangxin Energy Saving And Environmental Protection Equipment Co Ltd
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Filing date
Publication date
Application filed by Nanjing Shuangxin Energy Saving And Environmental Protection Equipment Co Ltd filed Critical Nanjing Shuangxin Energy Saving And Environmental Protection Equipment Co Ltd
Priority to CN201920439279.1U priority Critical patent/CN209892492U/en
Application granted granted Critical
Publication of CN209892492U publication Critical patent/CN209892492U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of water pumps, and discloses a stamping pump sealing device which comprises a sealing component and an extrusion component, the sealing component comprises a static ring, a movable ring, a push ring, a spring, a sealing ring and a base, the supporting block is fixedly connected with the movable ring through the metal elastic sheet, the supporting block penetrates through the sleeve and is in sliding connection with the sleeve, when the stamping pump is used for a long time and the spring generates unrecoverable deformation, the sleeve can support the supporting block to keep the supporting block in an original state, and the metal elastic sheet can replace the action of the spring, the movable ring and the sealing ring are supported by the metal elastic sheet, so that the sealing ring can be continuously attached to the static ring, and the problem that the plunger pump is leaked due to the fact that the sealing ring cannot be attached to the static ring after the spring loses elasticity is solved.

Description

Stamping pump sealing device
Technical Field
The utility model belongs to the technical field of the water pump, especially, relate to a stamping pump sealing device.
Background
The stamping pump is a water pump with an internal impeller arranged in a stamping structure, the internal impeller of the pump is formed by stamping stainless steel, a flow channel is smooth, secondary pollution is avoided, a shaft seal adopts wear-resistant mechanical seal, leakage is avoided, the size is small, the weight is light, and the operation and the installation are convenient.
The sealing device of ram pump generally adopts the spring extrusion, and under the effect of spring force, the throw-out collar keeps having outside thrust to the rotating ring all the time, makes the rotating ring laminate with the sealed face of quiet ring all the time, plays good sealed effect, and when long-time the use, the spring can appear unrecoverable deformation, leads to the extrusion capacity to descend, causes the ram pump to reveal easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stamping pump sealing device aims at solving the sealing device of stamping pump and generally adopts the spring extrusion, and under the effect of spring force, the throw-out collar keeps having outside thrust to the rotating ring all the time, makes the rotating ring laminate with the sealed face of quiet ring all the time, plays good sealed effect, and when long-time the use, the spring can appear unrecoverable deformation, leads to the extrusion ability to descend, causes the problem that the stamping pump revealed easily.
The utility model discloses a realize like this, a stamping pump sealing device, including seal assembly and extrusion subassembly, seal assembly includes quiet ring, rotating ring, push ring, spring, sealing washer and base, quiet ring position in the rotating ring right side, and with the rotating ring sliding connection, the push ring position in the spring right side, the push ring with spring fixed connection, the sealing washer cover is established the surface of rotating ring, the sealing washer with rotating ring fixed connection, the base is located the sealing washer right side, and with the sealing washer integrated into one piece; the extrusion assembly comprises a sleeve, a supporting block, a metal elastic sheet and a connecting rod, the sleeve is sleeved on the outer surface of the movable ring and is in sliding connection with the movable ring, the supporting block penetrates through the sleeve and is in sliding connection with the sleeve, the metal elastic sheet is located at the bottom of the movable ring, the movable ring is fixedly connected with the supporting block through the metal elastic sheet, the connecting rod is located between the spring and the movable ring, and the movable ring is fixedly connected with the spring through the connecting rod.
Preferably, the sleeve is cylindrical, the inner part of the sleeve is hollow, the movable ring is located inside the sleeve, and the movable ring and the sleeve are in sliding connection with each other.
Preferably, the extrusion subassembly still includes the draw-in groove, the draw-in groove is seted up the sheathed tube surface, the quantity of draw-in groove is two, two the draw-in groove is followed sheathed tube axis symmetric distribution.
Preferably, the cross section of the supporting block is trapezoidal, one end of the supporting block penetrates through the sleeve through the clamping groove, and two sides of the supporting block are attached to the inner side wall of the clamping groove.
Preferably, the metal elastic pieces are semicircular, the number of the metal elastic pieces is two, and the two metal elastic pieces are respectively arranged at one ends of the two supporting blocks, which are positioned in the sleeve.
Preferably, the connecting rod is of a cylindrical structure, and the diameter of the connecting rod is smaller than the distance between the two metal elastic sheets.
Preferably, the stationary ring is annular, and the inner diameter of the stationary ring is matched with the diameter of the movable ring.
Preferably, the spring is of a spiral structure, one end of the spring is fixedly connected with the connecting rod, and the other end of the spring is fixedly connected with the push ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a stamping pump sealing device, through setting up the sleeve pipe the supporting shoe metal shrapnel with the connecting rod, the supporting shoe passes through metal shrapnel with rotating ring fixed connection, the supporting shoe runs through the sleeve pipe, and with sleeve pipe sliding connection, it is longer when the stamping pump live time, the spring produces the deformation back that can not resume, the sleeve pipe can support the supporting shoe makes the supporting shoe keeps the original state, passes through this moment metal shrapnel replaces the effect of spring, through metal shrapnel supports the rotating ring with the sealing washer makes the sealing washer can continue with the quiet ring is laminated mutually, has avoided after the spring loses elasticity, the sealing washer can not with the quiet ring is laminated mutually, and causes the problem that the stamping pump was revealed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the extrusion structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
in the figure: 1. a seal assembly; 11, a stationary ring; 12. a moving ring; 13. a push ring; 14. a spring; 15. a seal ring; 16. a base; 2. an extrusion assembly; 22. a card slot; 21. a sleeve; 23. a supporting block 24 and a metal elastic sheet; 25. a connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.
Referring to fig. 1-3, the present invention provides a sealing device for a ram pump, comprising: a sealing device of a stamping pump comprises a sealing component 1 and an extrusion component 2, wherein the sealing component 1 comprises a static ring 11, a movable ring 12, a push ring 13, a spring 14, a sealing ring 15 and a base 16, the static ring 11 is positioned on the right side of the movable ring 12 and is in sliding connection with the movable ring 12, the push ring 13 is positioned on the right side of the spring 14, the push ring 13 is fixedly connected with the spring 14, the sealing ring 15 is sleeved on the outer surface of the movable ring 12, the sealing ring 15 is fixedly connected with the movable ring 12, and the base 16 is positioned on the right side of the sealing ring 15 and is integrally formed with the sealing ring 15; the extrusion assembly 2 comprises a sleeve 21, a supporting block 23, a metal elastic sheet 24 and a connecting rod 25, wherein the sleeve 21 is sleeved on the outer surface of the movable ring 12 and is in sliding connection with the movable ring 12, the supporting block 23 penetrates through the sleeve 21 and is in sliding connection with the sleeve 21, the metal elastic sheet 24 is positioned at the bottom of the movable ring 12, the movable ring 12 is fixedly connected with the supporting block 23 through the metal elastic sheet 24, the connecting rod 25 is positioned between the spring 14 and the movable ring 12, and the movable ring 12 and the spring 14 are fixedly connected through the connecting rod 25.
In this embodiment, the sealing assembly 1 is disposed inside the ram pump, the base 16 is connected to a driving structure of the ram pump, when the ram pump works, the spring 14 on the base 16 generates an outward elastic force, under the elastic force of the spring 14, the connecting rod 25 is pushed to move leftward, the movable ring 12 is fixedly connected to the spring 14 through the connecting rod 15 and is slidably connected to the sleeve 23, the movable ring 12 can slide inside the sleeve 21, the top of the movable ring 12 is provided with the sealing ring 15, the movable ring 12 is pushed to be attached to the stationary ring 11 through the thrust of the spring 14, and under the action of the spring force, the thrust ring 13 always protects the movable ring 12 from the leftward thrust, the movable ring 12 is always attached to the sealing surface of the stationary ring 11, and a good sealing effect is achieved.
In the embodiment, when the stamping pump is used, the sealing assembly 1 is installed inside the stamping pump, the base 16 is connected with a driving structure of the stamping pump, when the stamping pump works, the spring 14 on the base 16 generates outward elastic force, the connecting rod 25 is pushed to move leftwards under the elastic force of the spring 14, the movable ring 12 is fixedly connected with the spring 14 through the connecting rod 15 and is in sliding connection with the sleeve 23, the movable ring 12 can slide inside the sleeve 21, the top of the movable ring 12 is provided with the sealing ring 15, the movable ring 12 is pushed to be attached to the stationary ring 11 through the thrust of the spring 14, and under the action of the spring force, the push ring 13 always protects the leftward thrust on the movable ring 12, so that the movable ring 12 is always attached to the sealing surface of the stationary ring 11 to achieve good sealing effect, when the spring 14 is reduced in elastic force due to long-time extrusion, as the sleeve 21 is sleeved on the outer surface of the movable ring 12, and the surface of sleeve pipe 21 and ram pump inner wall fixed connection, two draw-in grooves 22 have been seted up on the sleeve pipe 21, the supporting shoe 23 runs through sleeve pipe 21 through draw-in groove 22, the supporting shoe 23 is located the inside one end of sleeve pipe 21 and passes through metal shrapnel 24 and rotating ring 12 fixed connection, after spring 14 became invalid, rotating ring 12 moved left because of the pressure of the inside fluid of ram pump, rotating ring 12 was blockked by metal shrapnel 24 and backup pad 23 this moment, replace spring 14 through metal shrapnel 24 and backup pad 23, extrude rotating ring 12 once more, thereby it breaks away from with stationary ring 11 to have avoided behind the weakening of spring 14 elasticity sealing washer 15 on rotating ring 12 with stationary ring 11, cause the problem that the ram pump.
Further, the sleeve 21 is cylindrical and hollow, the movable ring 12 is located inside the sleeve 21, and the movable ring 12 and the sleeve 21 are slidably connected with each other.
In the present embodiment, the sleeve 21 is provided to define the motion trajectory of the movable ring 12, so that the movable ring 12 can be aligned with the stationary ring 11 when moving leftward under the spring force of the spring 14, and the seal ring 15 on the outer surface of the movable ring 12 can be attached to the sealing surface of the stationary ring 11, thereby achieving a good sealing effect.
Further, the extrusion assembly 2 further comprises two clamping grooves 22, the two clamping grooves 22 are formed in the outer surface of the sleeve 21, and the two clamping grooves 22 are symmetrically distributed along the central axis of the sleeve 21.
In this embodiment, the clamping groove 22 is arranged to support the supporting plate 23, so that the supporting plate 23 can move within a certain range in the clamping groove 22, and after the spring 14 loses the restoring force, the supporting plate 23 can support the metal elastic sheet 24 to extrude the movable ring 12 again, thereby avoiding the leakage of the stamping pump.
Further, the cross-section of the supporting block 23 is trapezoidal, one end of the supporting block 23 penetrates through the sleeve 21 through the clamping groove 22, and two sides of the supporting block 23 are attached to the inner side wall of the clamping groove 22.
In this embodiment, the cross-section setting with supporting shoe 23 is trapezoidal, and wherein one end of supporting shoe 23 passes through draw-in groove 22 and runs through sleeve 21, and the both sides of supporting shoe 23 and the inside wall of draw-in groove 22 laminate each other, make supporting shoe 23 can follow spout 22 and steadily slide, avoid appearing the skew and lead to quiet ring 11 and rotating ring 12 can not align each other.
Further, the metal elastic pieces 24 are semicircular, the number of the metal elastic pieces 24 is two, and the two metal elastic pieces 24 are respectively arranged at one ends of the two supporting blocks 23, which are positioned in the sleeve 21
In the embodiment, the metal elastic sheet 24 is arranged for performing secondary extrusion on the moving ring 12, so that the problem that the moving ring 12 loses supporting force after the spring 14 loses elasticity, and the moving ring 12 and the static ring 11 cannot be tightly attached to each other to cause leakage of the ram pump is avoided
Further, the connecting rod 25 is a cylindrical structure, and the diameter of the connecting rod 25 is smaller than the distance between the two metal elastic pieces 24.
In this embodiment, the connecting rod 25 is arranged to support the movable ring, when the spring 14 does not lose the elastic force, the movable ring is supported by the acting force of the spring 14, and the metal elastic sheet 24 is in the relaxation state, after the spring loses the elastic force, the movable ring 12 pushes the metal elastic sheet 24 when moving to the right under the pressure of the fluid, and at this time, the metal elastic sheet 24 is in the stress state, so that the situation that the metal elastic sheet 24 and the spring 14 lose the pushing effect at the same time is avoided.
Furthermore, the stationary ring 11 is annular, and the inner diameter of the stationary ring 11 is matched with the diameter of the movable ring 12.
In the present embodiment, the movable ring 11 is provided with the sealing ring 15, and when the movable ring 12 enters the stationary ring 11, the sealing ring 25 can just seal the gap between the stationary ring 11 and the movable ring 12, so as to achieve a good sealing effect.
Further, the spring 14 is in a spiral structure, one end of the spring 14 is fixedly connected with the connecting rod 25, and the other end of the spring 14 is fixedly connected with the push ring 13.
In this embodiment, one end of the spring 14 is fixedly connected to the connecting rod 25, and the other end of the spring 14 is fixedly connected to the push ring 13, so that the spring 14 has a spring force leftward, and under the action of the spring force, the push ring 13 always protects the moving ring 12 from having a leftward thrust, so that the moving ring 12 always abuts against the sealing surface of the stationary ring 11, and a good sealing effect is achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The sealing device of the stamping pump is characterized by comprising a sealing assembly (1) and an extrusion assembly (2), wherein the sealing assembly (1) comprises a static ring (11), a movable ring (12), a push ring (13), a spring (14), a sealing ring (15) and a base (16), the static ring (11) is positioned on the right side of the movable ring (12) and is in sliding connection with the movable ring (12), the push ring (13) is positioned on the right side of the spring (14), the push ring (13) is fixedly connected with the spring (14), the sealing ring (15) is sleeved on the outer surface of the movable ring (12), the sealing ring (15) is fixedly connected with the movable ring (12), and the base (16) is positioned on the right side of the sealing ring (15) and is integrally formed with the sealing ring (15);
the extrusion assembly (2) comprises a sleeve (21), a supporting block (23), a metal elastic sheet (24) and a connecting rod (25), the sleeve (21) is sleeved on the outer surface of the movable ring (12) and is in sliding connection with the movable ring (12), the supporting block (23) penetrates through the sleeve (21) and is in sliding connection with the sleeve (21), the metal elastic sheet (24) is located at the bottom of the movable ring (12), the movable ring (12) is fixedly connected with the supporting block (23) through the metal elastic sheet (24), the connecting rod (25) is located between the spring (14) and the movable ring (12), and the movable ring (12) and the spring (14) are fixedly connected through the connecting rod (25).
2. A ram pump seal according to claim 1, characterised in that the sleeve (21) is cylindrical and hollow inside, the rotating ring (12) being located inside the sleeve (21), the rotating ring (12) and the sleeve (21) being slidably connected to each other.
3. The ram pump sealing device according to claim 1, characterized in that the extrusion assembly (2) further comprises two clamping grooves (22), the clamping grooves (22) are arranged on the outer surface of the sleeve (21), and the two clamping grooves (22) are symmetrically distributed along the central axis of the sleeve (21).
4. The ram pump sealing device as recited in claim 3, wherein the cross section of the supporting block (23) is trapezoidal, one end of the supporting block (23) penetrates the sleeve (21) through the slot (22), and both sides of the supporting block (23) are attached to the inner side walls of the slot (22).
5. The sealing device for the ram pump according to claim 1, wherein the metal elastic sheet (24) is semicircular, the number of the metal elastic sheets (24) is two, and the two metal elastic sheets (24) are respectively arranged at one ends of the two supporting blocks (23) inside the casing (21).
6. The ram pump sealing arrangement as recited in claim 1, characterized in that the connecting rod (25) is of cylindrical configuration and the diameter of the connecting rod (25) is smaller than the distance between two metal domes (24).
7. A ram pump seal according to claim 1, characterised in that the stationary ring (11) is annular, the inner diameter of the stationary ring (11) being adapted to the diameter of the moving ring (12).
8. A ram pump seal according to claim 1, characterised in that the spring (14) is of helical construction, one end of the spring (14) being fixedly connected to the connecting rod (25) and the other end of the spring (14) being fixedly connected to the thrust ring (13).
CN201920439279.1U 2019-04-02 2019-04-02 Stamping pump sealing device Expired - Fee Related CN209892492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920439279.1U CN209892492U (en) 2019-04-02 2019-04-02 Stamping pump sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920439279.1U CN209892492U (en) 2019-04-02 2019-04-02 Stamping pump sealing device

Publications (1)

Publication Number Publication Date
CN209892492U true CN209892492U (en) 2020-01-03

Family

ID=69018433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920439279.1U Expired - Fee Related CN209892492U (en) 2019-04-02 2019-04-02 Stamping pump sealing device

Country Status (1)

Country Link
CN (1) CN209892492U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200103

CF01 Termination of patent right due to non-payment of annual fee