CN205207164U - Adjustable spring compression amount collection dress formula double containment mechanical seal - Google Patents
Adjustable spring compression amount collection dress formula double containment mechanical seal Download PDFInfo
- Publication number
- CN205207164U CN205207164U CN201521087165.3U CN201521087165U CN205207164U CN 205207164 U CN205207164 U CN 205207164U CN 201521087165 U CN201521087165 U CN 201521087165U CN 205207164 U CN205207164 U CN 205207164U
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- Prior art keywords
- ring
- axle sleeve
- mechanical seal
- stationary
- rotating
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- Expired - Fee Related
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- Rotary Pumps (AREA)
Abstract
The utility model discloses an adjustable spring compression amount collection dress formula double containment mechanical seal, including the pump body, pump shaft on locating the pedestal on the pump body and locating the pedestal, the cover has the axle sleeve on the pump shaft, from interior a set of inboard mechanical seal and a set of outside mechanical seal of outwards being equipped with in proper order on the axle sleeve, the utility model discloses simple structure, the stationary seat independent setting in the outside, integral erection is sealed on the pedestal with the machine to the installation of being convenient for, again with the pump shaft pass the machine seal can, after the installation, need regulating spring's decrement only need loosen locking screw A, then through adjusting screw adjust can, adjust the convenience, labour saving and time saving.
Description
Technical field
The utility model relates to a kind of pump housing, is specifically related to the mechanical seal of adjustable spring decrement dual cartridge seal.
Background technique
Pump is conveying liquid or the machinery making fluid pressurization.It sends the mechanical energy of prime mover or other external energies to liquid, and liquid energy is increased.Pump is mainly used to the liquid such as conveying water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal, also can conveying liquid, gas mixture and the liquid containing suspended solids.Screw pump is volume type rotor pump, and it relies on the volume-variation of the Seal cage formed by screw and bushing suck and discharge liquid.Screw pump by screw rod number be divided into helical rotor pump, two, three and five-screw pump.The feature of screw pump is flow trim, pressure pulsation is little, have suction capacity, noise is low, efficiency is high, the life-span is long, reliable operation; And its outstanding advantage does not form eddy current, insensitive to the viscosity of medium when being fed sheet of a media, can transfer of highly viscous medium.In current screw pump, the stationary seat in double mechanical seal is integrated in outside machine envelope and puts, and needs the pump housing and mechanical seal all to take to adjust the decrement of spring apart, be inconvenient to regulate, take time and effort after installation.
Summary of the invention
The technical problems to be solved in the utility model is to provide the mechanical seal of adjustable spring decrement dual cartridge seal, the stationary seat solved in prior art double mechanical seal is integrated in outside machine envelope and puts, and the decrement needing the pump housing and mechanical seal all to take to adjust spring apart after installation causes the problem being inconvenient to regulate.
The utility model is achieved through the following technical solutions:
The mechanical seal of adjustable spring decrement dual cartridge seal, the pump shaft comprising the pump housing, be located at the pedestal on the pump housing and be located on pedestal, on described pump shaft, cover has axle sleeve, mechanical seal outside mechanical seal and one group inside described axle sleeve is from inside to outside provided with one group successively, wherein, inner side mechanical seal is sealed overcoat, stationary ring A and the spring A be located between the inner side surface of rotating ring A and rotating seat A by rotating seat A, rotating ring A, machine and is formed, wherein, back-up ring A is provided with between the inner side surface of rotating seat A and axle sleeve; Outside mechanical seal is made up of the spring B between the inner side surface of rotating seat B, rotating ring B, stationary seat, stationary ring B and rotating ring B and rotating seat B, wherein, is provided with back-up ring B between the inner side surface of rotating seat B and axle sleeve; The protruding block of described axle sleeve outer end has been threaded adjustment screw, and this adjustment screw is pressed on the outer side surface of stationary seat.
The further improvement project of the utility model is that described axle sleeve is connected on pump shaft by lock screw A.
The further improvement project of the utility model is, described rotating seat A is fixedly connected on the medial extremity of axle sleeve by lock screw C, described machine envelope overcoat is fixedly connected on pedestal by hexagon socket head cap screw, outer the putting of this machine envelope is fixedly connected with stationary ring clamping kit, stationary ring A is pressed on the ladder surface of machine envelope overcoat by this stationary ring clamping kit, the inner side surface of stationary ring A contacts with the outer side surface of rotating ring, and the right-hand member of this rotating ring A is located in rotating seat A.
The utility model further improvement project is, described rotating seat B is fixedly connected with the middle part of axle sleeve by lock screw B, the outer end cover of described axle sleeve has stationary seat, the inner side ladder surface at this stationary seat top is pressed on the outer side surface of machine envelope overcoat, inner side ladder surface bottom it is pressed on stationary ring B, the inner side ladder surface at this stationary ring B top and machine seal between overcoat and are provided with back-up ring C, and the inner side ladder surface bottom stationary ring B contacts with the outer side surface of rotating ring B, and the right-hand member of this rotating ring B is located in rotating seat B.
The utility model further improvement project is, is provided with O type circle D between described axle sleeve and pump shaft.
The utility model further improvement project is, is provided with O type circle A between described axle sleeve and rotating ring A, is provided with O type circle C and O type circle G between described machine envelope overcoat and pedestal, is provided with O type circle B between described machine envelope overcoat and stationary ring A.
The utility model further improvement project is, is provided with O type circle H between described axle sleeve and rotating ring B, is provided with O type circle F, is provided with O type circle E between described stationary seat and stationary ring B between described machine envelope overcoat and stationary seat.
Compared with prior art, tool has the following advantages the utility model:
1, the utility model structure is simple, the stationary seat in outside is independently arranged, be convenient to install, machine is sealed integral installation on pedestal, again pump shaft is sealed through machine, after installation, need the decrement of Regulation spring only need unclamp lock screw A, then being regulated by adjustment screw pulls axle sleeve to move, axle sleeve promotes by back-up ring A and back-up ring B the decrement that rotating seat A and rotating seat B comes Regulation spring A and spring B respectively, thus this mechanical seal is suitable for the pump housing of multiple pressure, and easy to adjust, time saving and energy saving;
2, install O type circle additional at all possible leakage point, ensure that sealing effect.
Below in conjunction with drawings and Examples, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
In description of the present utility model, component are " bottom " near the part of pump shaft axis, part away from pump shaft axis is " top ", face towards pump body is " inner side surface ", be " outer side surface " towards the face outside the pump housing, and only the utility model for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation.In addition, term " rotating seat A ", " rotating seat B ", " O type circle A ", " O type circle B ", " O type circle C " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
As shown in Figures 1 and 2, the pump shaft 3 that the utility model comprises the pump housing 1, is located at the pedestal 2 on the pump housing 1 and is located on pedestal 2, on described pump shaft 3, cover has axle sleeve 4, mechanical seal outside mechanical seal and one group inside described axle sleeve 4 is from inside to outside provided with one group successively, wherein, inner side mechanical seal is sealed overcoat 13, stationary ring A10 and the spring A6 be located between the inner side surface of rotating ring A29 and rotating seat A7 by rotating seat A7, rotating ring A29, machine and is formed, wherein, back-up ring A5 is provided with between the inner side surface of rotating seat A7 and axle sleeve 4, outside mechanical seal is made up of the spring B 16 between the inner side surface of rotating seat B15, rotating ring B17, stationary seat 31, stationary ring B18 and rotating ring B17 and rotating seat B15, wherein, is provided with back-up ring B14 between the inner side surface of rotating seat B15 and axle sleeve 4, the protruding block of described axle sleeve 4 outer end has been threaded adjustment screw 28, this adjustment screw 28 is pressed on the outer side surface of stationary seat 31, described axle sleeve 4 is connected on pump shaft 3 by lock screw A20, described rotating seat A7 is fixedly connected on the medial extremity of axle sleeve 4 by lock screw C27, described machine envelope overcoat 13 is fixedly connected on pedestal 2 by hexagon socket head cap screw 30, this machine envelope overcoat 13 is fixedly connected with stationary ring clamping kit 8, stationary ring A10 is pressed on the ladder surface of machine envelope overcoat 13 by this stationary ring clamping kit 8, the inner side surface of stationary ring A10 contacts with the outer side surface of rotating ring 29, the right-hand member of this rotating ring A29 is located in rotating seat A7, described rotating seat B15 is fixedly connected with the middle part of axle sleeve 4 by lock screw B26, the outer end cover of described axle sleeve 4 has stationary seat 31, the inner side ladder surface at this stationary seat 31 top is pressed on the outer side surface of machine envelope overcoat 13, inner side ladder surface bottom it is pressed on stationary ring B18, the inner side ladder surface at this stationary ring B18 top and machine seal between overcoat 13 and are provided with back-up ring C23, inner side ladder surface bottom stationary ring B18 contacts with the outer side surface of rotating ring B17, the right-hand member of this rotating ring B17 is located in rotating seat B15, O type circle D19 is provided with between described axle sleeve 4 and pump shaft 3, O type circle A9 is provided with between described axle sleeve 4 and rotating ring A29, O type circle C12 and O type circle G24 is provided with between described machine envelope overcoat 13 and pedestal 2, O type circle B11 is provided with between described machine envelope overcoat 13 and stationary ring A10, O type circle H25 is provided with between described axle sleeve 4 and rotating ring B17, O type circle F22 is provided with between described machine envelope overcoat 13 and stationary seat 31, O type circle E21 is provided with between described stationary seat 31 and stationary ring B18.
It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. adjustable spring decrement dual cartridge seal mechanical seal, comprise the pump housing (1), the pump shaft (3) be located at the pedestal (2) on the pump housing (1) and be located on pedestal (2), it is characterized in that: the upper cover of described pump shaft (3) has axle sleeve (4), mechanical seal outside mechanical seal and one group inside described axle sleeve (4) is from inside to outside provided with one group successively, wherein, inner side mechanical seal is by rotating seat A(7), rotating ring A(29), machine envelope overcoat (13), stationary ring A(10) and be located at rotating ring A(29) inner side surface and rotating seat A(7) between spring A(6) form, wherein, rotating seat A(7) inner side surface and axle sleeve (4) between be provided with back-up ring A(5), outside mechanical seal by rotating seat B(15), rotating ring B(17), stationary seat (31), stationary ring B(18) and rotating ring B(17) inner side surface and rotating seat B(15) between spring B (16) form, wherein, rotating seat B(15) inner side surface and axle sleeve (4) between be provided with back-up ring B(14), the protruding block of described axle sleeve (4) outer end has been threaded adjustment screw (28), and this adjustment screw (28) is pressed on the outer side surface of stationary seat (31).
2. adjustable spring decrement dual cartridge seal according to claim 1 mechanical seal, is characterized in that: described axle sleeve (4) is by lock screw A(20) be connected on pump shaft (3).
3. adjustable spring decrement dual cartridge seal according to claim 1 and 2 mechanical seal, it is characterized in that: described rotating seat A(7) by lock screw C(27) be fixedly connected on the medial extremity of axle sleeve (4), described machine envelope overcoat (13) is fixedly connected on pedestal (2) by hexagon socket head cap screw (30), this machine envelope overcoat (13) is fixedly connected with stationary ring clamping kit (8), this stationary ring clamping kit (8) is by stationary ring A(10) be pressed on the ladder surface of machine envelope overcoat (13), stationary ring A(10) inner side surface contact with the outer side surface of rotating ring (29), this rotating ring A(29) right-hand member be located at rotating seat A(7) in.
4. adjustable spring decrement dual cartridge seal according to claim 1 and 2 mechanical seal, it is characterized in that: described rotating seat B(15) by lock screw B(26) be fixedly connected with the middle part of axle sleeve (4), the outer end cover of described axle sleeve (4) has stationary seat (31), the inner side ladder surface at this stationary seat (31) top is pressed on the outer side surface of machine envelope overcoat (13), inner side ladder surface bottom it is pressed on stationary ring B(18) on, this stationary ring B(18) the inner side ladder surface at top and machine seal between overcoat (13) and be provided with back-up ring C(23), stationary ring B(18) bottom inner side ladder surface and rotating ring B(17) outer side surface contact, this rotating ring B(17) right-hand member be located at rotating seat B(15) in.
5. adjustable spring decrement dual cartridge seal according to claim 1 and 2 mechanical seal, is characterized in that: be provided with O type circle D(19 between described axle sleeve (4) and pump shaft (3)).
6. adjustable spring decrement dual cartridge seal according to claim 3 mechanical seal, it is characterized in that: described axle sleeve (4) and rotating ring A(29) between be provided with O type circle A(9), be provided with O type circle C(12 between described machine envelope overcoat (13) and pedestal (2)) and O type circle G(24), described machine seals overcoat (13) and stationary ring A(10) between be provided with O type circle B(11).
7. adjustable spring decrement dual cartridge seal according to claim 4 mechanical seal, it is characterized in that: described axle sleeve (4) and rotating ring B(17) between be provided with O type circle H(25), be provided with O type circle F(22 between described machine envelope overcoat (13) and stationary seat (31)), described stationary seat (31) and stationary ring B(18) between be provided with O type circle E(21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087165.3U CN205207164U (en) | 2015-12-24 | 2015-12-24 | Adjustable spring compression amount collection dress formula double containment mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087165.3U CN205207164U (en) | 2015-12-24 | 2015-12-24 | Adjustable spring compression amount collection dress formula double containment mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207164U true CN205207164U (en) | 2016-05-04 |
Family
ID=55844887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087165.3U Expired - Fee Related CN205207164U (en) | 2015-12-24 | 2015-12-24 | Adjustable spring compression amount collection dress formula double containment mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372992A (en) * | 2018-09-28 | 2019-02-22 | 安徽安密机械密封有限公司 | A kind of spring mechanical sealing compensation ring assemblies and its processing technology |
| CN109372994A (en) * | 2018-11-13 | 2019-02-22 | 湖南天宏泵业制造有限公司 | A kind of adjustable type integrated mechanical sealing |
-
2015
- 2015-12-24 CN CN201521087165.3U patent/CN205207164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372992A (en) * | 2018-09-28 | 2019-02-22 | 安徽安密机械密封有限公司 | A kind of spring mechanical sealing compensation ring assemblies and its processing technology |
| CN109372994A (en) * | 2018-11-13 | 2019-02-22 | 湖南天宏泵业制造有限公司 | A kind of adjustable type integrated mechanical sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20171224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |