CN203420873U - Water-cooled mechanical sealing device for pumps - Google Patents

Water-cooled mechanical sealing device for pumps Download PDF

Info

Publication number
CN203420873U
CN203420873U CN201320556305.1U CN201320556305U CN203420873U CN 203420873 U CN203420873 U CN 203420873U CN 201320556305 U CN201320556305 U CN 201320556305U CN 203420873 U CN203420873 U CN 203420873U
Authority
CN
China
Prior art keywords
ring
stationary ring
rotating
hole
sealing
Prior art date
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.)
Active
Application number
CN201320556305.1U
Other languages
Chinese (zh)
Inventor
聂如国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO DURREX PUMPS CO Ltd
Original Assignee
NINGBO DURREX PUMPS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO DURREX PUMPS CO Ltd filed Critical NINGBO DURREX PUMPS CO Ltd
Priority to CN201320556305.1U priority Critical patent/CN203420873U/en
Application granted granted Critical
Publication of CN203420873U publication Critical patent/CN203420873U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a water-cooled mechanical sealing device for pumps. The water-cooled mechanical sealing device comprises a main sealing structure and an auxiliary sealing structure. The circumferential limit of a second stationary ring (9) and a sealing seat (1) refers to that at least one through hole (9.1) penetrating the inner wall and the outer wall is formed in the side wall of the second stationary ring (9), first anti-rotating pins (7) inserted in the corresponding through holes (9.1) are fixed on the sealing seat (1), at least one second anti-rotating pin (8) is screwed on a rotary shaft, and gaps (5.1) for allowing the heads of the second anti-rotating pins (8) to insert are formed in the inner side wall of a second moving ring (5). By the water-cooled mechanical sealing device, strength of the first stationary ring and the second stationary ring can be guaranteed.

Description

A kind of pump water-cooled mechanical seal device
Technical field
The utility model relates to mechanical seal device, is specifically a kind of pump water-cooled mechanical seal device.
Background technique
Pump is generally all provided with mechanical seal device, this mechanical seal device comprises main seal structure and time sealing configuration, described main seal structure comprise the sealing seat that is fixed on pump body end surface, with rotating shaft circumferentially interlock the first rotating ring, with the fixing rotating seat of the first rotating ring, be located at the first stationary ring and spring outside rotating shaft; Described time sealing configuration comprises with circumferential the second rotating ring linking of rotating shaft, is located at the second stationary ring and the second spring outside rotating shaft; The end face of described the second rotating ring is force-fitted on the end face of the second stationary ring by the second spring; Rotating ring in this structure rotates along with the rotation of rotating shaft, and the first stationary ring and the first rotating ring form the first sealing flour milling and the second stationary ring and the second rotating ring and form second and seal flour milling and realize pump inside and extraneous sealing.
With water-cooled mechanical seal device, there is following shortcoming in the pump of above prior art:
1, due to the second current stationary ring and sealing seat be by the stop pin of end face, realize circumferentially spacing, one end of stop pin is embedded in the bottom surface of sealing seat, the other end is embedded in the groove that runs through inside and outside wall of the second stationary ring, after such the second stationary ring machined grooves, has affected the intensity of itself.
2, because the second current rotating ring and rotating shaft are to realize circumferential interlock by stop pin, one end of stop pin is embedded in rotating shaft, the other end is embedded in the groove that runs through inside and outside wall of the second stationary ring, after such the second rotating ring machined grooves, has affected the intensity of itself.
Model utility content
The technical problems to be solved in the utility model is that a kind of pump water-cooled mechanical seal device that can guarantee the second stationary ring and the second rotating ring self intensity is provided.
The technical solution of the utility model is, a kind of water-cooled mechanical seal device of the pump with following structure is provided, comprise main seal structure and time sealing configuration, described main seal structure comprise the sealing seat that is fixed on pump body end surface, with rotating shaft circumferentially interlock the first rotating ring, with the fixing rotating seat of the first rotating ring, be located at the first stationary ring and the first spring outside rotating shaft; Described the first rotating ring is force-fitted on the first stationary ring by the first spring; Described time sealing configuration comprises with circumferential the second rotating ring linking of rotating shaft, is located at the second stationary ring and the second spring outside rotating shaft, described the second stationary ring and sealing seat are circumferentially spacing, and the end face of described the second rotating ring is force-fitted on the end face of the second stationary ring by the second spring; Described sealing seat is provided with at least one water inlet and at least one osculum that runs through inside and outside wall;
It is characterized in that: described the second stationary ring and sealing seat be spacing referring to circumferentially, the sidewall of described the second stationary ring is provided with at least one through hole that runs through inside and outside wall, on described sealing seat, be fixed with the first stop pin that is embedded in one by one corresponding through hole, in described rotating shaft, be at least combined with second stop pin, the madial wall of described the second rotating ring is provided with the breach that the head for the second stop pin embeds one by one.
The quantity of described through hole is two, and symmetrical along even circumferential.
The quantity of described the second stop pin is two, and symmetrical along even circumferential.
Described through hole is long lumbar hole.
Adopt after said structure, the utility model compared with prior art, has the following advantages:
1, due to described the second stationary ring and circumferential spacing the referring to of sealing seat, the sidewall of described the second stationary ring is provided with at least one through hole that runs through inside and outside wall, on described sealing seat, be fixed with the first stop pin that is embedded in one by one corresponding through hole, by the first stop pin, coordinate to realize circumferentially spacing with the through hole on the second stationary ring, compare so original Pocket Machining, more can guarantee the intensity of the second stationary ring self.
2, owing to being at least combined with second stop pin in described rotating shaft, the madial wall of described the second rotating ring is provided with the breach that the head for the second stop pin embeds one by one, by the second stop pin, coordinate to realize circumferential interlock with the breach on the second rotating ring, compare so original Pocket Machining, more can guarantee the intensity of the second rotating ring self.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of water-cooled mechanical seal device for a kind of pump of the present utility model.
Accompanying drawing 2 structural representation that to be a kind of pumps of the present utility model look with the second stationary ring master of water-cooled mechanical seal device.
Accompanying drawing 3 is structural representations of the second stationary ring section of water-cooled mechanical seal device for a kind of pump of the present utility model.
Accompanying drawing 4 structural representation that to be a kind of pumps of the present utility model look with the second rotating ring master of water-cooled mechanical seal device.
Accompanying drawing 5 is structural representations of the second rotating ring section of water-cooled mechanical seal device for a kind of pump of the present utility model.
As shown in the figure: 1, sealing seat, the 2, first rotating ring, the 2.1, second breach, 3, rotating seat, the 4, first stationary ring, the 5, second rotating ring, 5.1, breach, the 6, second spring, the 7, first stop pin, the 8, second stop pin, the 9, second stationary ring, 9.1, through hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of pump water-cooled mechanical seal device of the present utility model, comprise main seal structure and time sealing configuration, described main seal structure comprise the sealing seat 1 that is fixed on pump body end surface, with rotating shaft circumferentially interlock the first rotating ring 2, with the fixing rotating seat 3 of the first rotating ring 2, be located at the first stationary ring 4 and the first spring outside rotating shaft; Described the first rotating ring 2 is force-fitted on the first stationary ring 4 by the first spring; Described time sealing configuration comprises with circumferential the second rotating ring 5 linking of rotating shaft, is located at the second stationary ring 9 and the second spring 6 outside rotating shaft, described the second spring 6 is comprised of many little springs, or can also adopt wavy spring, described the second stationary ring 9 is circumferentially spacing with sealing seat 1, and the end face of described the second rotating ring 5 is force-fitted on the end face of the second stationary ring 9 by the second spring 6; Described sealing seat 1 is provided with at least one water inlet and at least one osculum that runs through inside and outside wall;
Described the second stationary ring 9 and circumferential spacing the referring to of sealing seat 1, the sidewall of described the second stationary ring 9 is provided with at least one through hole that runs through inside and outside wall 9.1, on described sealing seat 1, be fixed with the first stop pin 7 that is embedded in one by one corresponding through hole 9.1, in described rotating shaft, be at least combined with second stop pin 8, the madial wall of described the second rotating ring 5 is provided with the breach 5.1 that the head for the second stop pin 8 embeds one by one.
The quantity of described through hole 9.1 is two, and symmetrical along even circumferential.
The quantity of described the second stop pin 8 is two, and symmetrical along even circumferential.
Described through hole 9.1 is long lumbar hole.

Claims (4)

1. a pump water-cooled mechanical seal device, comprise main seal structure and time sealing configuration, described main seal structure comprise the sealing seat (1) that is fixed on pump body end surface, with rotating shaft circumferentially interlock the first rotating ring (2), with the fixing rotating seat (3) of the first rotating ring (2), be located at the first stationary ring (4) and the first spring outside rotating shaft; Described the first rotating ring (2) is force-fitted on the first stationary ring (4) by the first spring; Described time sealing configuration comprises with circumferential the second rotating ring (5) linking of rotating shaft, is located at the second stationary ring (9) and the second spring (6) outside rotating shaft, described the second stationary ring (9) is circumferentially spacing with sealing seat (1), and the end face of described the second rotating ring (5) is force-fitted on the end face of the second stationary ring (9) by the second spring (6); Described sealing seat (1) is provided with at least one water inlet and at least one osculum that runs through inside and outside wall; It is characterized in that: described the second stationary ring (9) and circumferential spacing the referring to of sealing seat (1), the sidewall of described the second stationary ring (9) is provided with at least one through hole that runs through inside and outside wall (9.1), on described sealing seat (1), be fixed with the first stop pin (7) that is embedded in one by one corresponding through hole (9.1), in described rotating shaft, be at least combined with second stop pin (8), the madial wall of described the second rotating ring (5) is provided with the breach (5.1) that embeds one by one of head for the second stop pin (8).
2. a kind of pump water-cooled mechanical seal device according to claim 1, is characterized in that: the quantity of described through hole (9.1) is two, and symmetrical along even circumferential.
3. a kind of pump water-cooled mechanical seal device according to claim 1, is characterized in that: the quantity of described the second stop pin (8) is two, and symmetrical along even circumferential.
4. a kind of pump water-cooled mechanical seal device according to claim 1, is characterized in that: described through hole (9.1) is long lumbar hole.
CN201320556305.1U 2013-09-06 2013-09-06 Water-cooled mechanical sealing device for pumps Active CN203420873U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320556305.1U CN203420873U (en) 2013-09-06 2013-09-06 Water-cooled mechanical sealing device for pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320556305.1U CN203420873U (en) 2013-09-06 2013-09-06 Water-cooled mechanical sealing device for pumps

Publications (1)

Publication Number Publication Date
CN203420873U true CN203420873U (en) 2014-02-05

Family

ID=50019972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320556305.1U Active CN203420873U (en) 2013-09-06 2013-09-06 Water-cooled mechanical sealing device for pumps

Country Status (1)

Country Link
CN (1) CN203420873U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145427A (en) * 2020-09-08 2020-12-29 洛普兰机械设备(宁波)有限公司 Integrated mechanical seal for process screw compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145427A (en) * 2020-09-08 2020-12-29 洛普兰机械设备(宁波)有限公司 Integrated mechanical seal for process screw compressor

Similar Documents

Publication Publication Date Title
CN203420873U (en) Water-cooled mechanical sealing device for pumps
CN204226292U (en) A kind of Double-layered isolation casing for magnetic pump
CN204140929U (en) Novel double-piston effect valve
CN204253502U (en) Cylinder piston structure-improved
CN202709928U (en) structure for preventing rotation
CN202546076U (en) Rotary joint
CN104806373A (en) Internal combustion engine valve seat ring locking mechanism and locking method
CN203420926U (en) Water-cooled double-end-face mechanical seal device for pumps
CN204942086U (en) A kind of centrifugal pump specialized high-speed swivel joint
CN203380390U (en) Core shaft of clamp for finish turning cylinder sleeve
CN203442141U (en) Pump mechanical sealing device
CN203757350U (en) Oil pump assembly
CN203670450U (en) Bearing
CN204532938U (en) Power plant's recycle pump structure
CN202901281U (en) A lower end cap of a spindle of a direct-coupled centrifuge
CN205578730U (en) Mortar pump bearing with rubber manger plate circle
CN203730501U (en) Check ring for hole and with inclined section
CN202451507U (en) Guide sleeve for hydraulic cylinder
CN202756605U (en) High-tightness piston for engineering machinery
CN203813573U (en) An electric push rod motor with an oil-containing bearing
CN203374815U (en) Gas sealing split type sealing device
CN203374637U (en) Sliding bearing
CN202708545U (en) Grease filling device for bearing
CN204592330U (en) A kind of replaceable butterfly valve
CN205298031U (en) Novel level in open water pump seal structure

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model