CN209483930U - A kind of screw compressor mechanical seal - Google Patents
A kind of screw compressor mechanical seal Download PDFInfo
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- CN209483930U CN209483930U CN201822239337.4U CN201822239337U CN209483930U CN 209483930 U CN209483930 U CN 209483930U CN 201822239337 U CN201822239337 U CN 201822239337U CN 209483930 U CN209483930 U CN 209483930U
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Abstract
The utility model discloses a kind of screw compressor mechanical seals, including the installation gland being sequentially sleeved in shaft, moving ring assembly and static components, the abrasive end face of the moving ring assembly and abrasive end face of static components is opposite is fitted and connected to form sealing flour milling, static components include stationary ring and stationary seat, stationary seat sealing is fitted in the installation cavity of installation gland, stationary seat is equipped with the first mounting groove, the one end of stationary ring far from moving ring assembly is slidably and what is sealed is fitted in the first mounting groove, the compensation component of integrated form is equipped between the bottom and stationary ring tail end face of first mounting groove.A kind of screw compressor mechanical seal provided by the utility model, compensation component are located at static components side and not can rotate, and compensation is stablized, and compensation component is integrated structure, and part is not readily separated, and performance is stablized.
Description
Technical field
The utility model relates to technical field of mechanical, specifically a kind of screw compressor mechanical seals.
Background technique
Traditional helical-lobe compressor mechanical seal, generallys use rotary-type mechanical seal.According to different applying working conditions one
As be divided into, the rotary-type mechanical seal of balanced type and two kinds of unbalanced type mechanical seal.Wherein balanced mechanical seal is using the most
Extensively.
Screw compressor mechanical seal tradition uses rotary-type mechanical seal.It and is all universal mechanical seal type
Number, it is not the applying working condition for compressor, the mechanical seal of special designing.
Existing helical-lobe compressor commonly use rotary-type machinery it is close have the shortcomings that it is following:
1. the compensation component of conventional machinery sealing is rotated with equipment axis, therefore rotary centrifugal force is to rotary-type mechanical seal
It influences very big.Especially the diameter of axle is larger, under high revolving speed, the working condition of high pressure or high revolving speed high pressure simultaneously, rotation
The stable type of type mechanical seal sharply declines, and failure probability greatly promotes, to influence the stability of Compressor Group.
2. pre-integrated component is unreliable, is easy to fall off, complex installation process, and pacify often in compressor mechanical seal
Structural stability is insufficient after dress.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of screw compressor mechanical seals, at least can
Solve above-mentioned one of defect.
Technical solution adopted in the utility model is: providing a kind of screw compressor mechanical seal, including successively covers
Installation gland, moving ring assembly and the static components being located in shaft, the abrasive end face of the moving ring assembly and rubbing for static components
It wipes end face to be fitted and connected to form sealing flour milling relatively, the static components include stationary ring and stationary seat, and the stationary seat is close
Envelope is fitted in the installation cavity of installation gland, and the stationary seat is equipped with the first mounting groove, and the stationary ring is far from moving ring assembly
One end slidably and sealing be fitted in the first mounting groove, between the bottom and stationary ring tail end face of first mounting groove
Compensation component equipped with integrated form；
The compensation component includes annular push ring, several springs and connecting screw, and the stationary seat is close to installation gland
One end be equipped with installation counterbore, the throw-out collar is equipped with threaded hole, and the end of the connecting screw passes through installation counterbore and is connected to
In threaded hole, for throw-out collar slidably to link together with stationary seat, and several springs are uniformly located at first
It installs between trench bottom and throw-out collar.
Compared with the prior art, the utility model has the following advantages:
1, the compensation component sealed in the utility model is located at static components side, does not rotate with equipment axis, the rotation of equipment axis
Will not floatability to sealing compensation component and followability have an impact.
2, the non-compensation component in the utility model mechanism is fastened on equipment axis, and axis synchronous rotary, because of non-compensation component
It does not compensate, floating property, so influence of the rotating centrifugal to mechanical seal stability is minimum.
3, the compensation component that integrated structure is used in the utility model mechanism, specifically refers to, multiple counterbalance springs is passed through
Connecting screw, annular cushion block and stationary seat are fitted together in advance, can falling off to avoid counterbalance spring, the compensation group of this pre- assembling structure
Part is more reliable in use, stablizes.And traditional compressor is driven using lug or pin drive mechanism, and lug passes
Dynamic to there is the risk for being prone to wear failure, the Probability maximum that frequent starting will lead to this failure in compressor actual use increases
Add.And lug transmission and pin transmission are all acted on without pre-integrated, and pre-integrated needs other component to realize, increases failure wind
Danger.
As improved, the bottom of first mounting groove is equipped with several spring eyes, and one end of several springs is located at
In spring eye, the other end is acted against on annular cushion block.The setting of spring eye is not easy to take off so that the installation of spring is more stable
It falls, to improve the stability in use of entire mechanical seal.
It improves again, is equipped with the first stop pin, the tail end face of the stationary ring close to the side of stationary ring on the annular cushion block
It is equipped with the pin hole cooperated with the first stop pin.Because stationary ring will receive rotation rotating ring institute band in mechanical seal operation process
The driving torque come, so having the risk of rotation, stationary ring also rotates together will affect sealing performance, so this structure
In stop pin setting stationary ring can be effectively prevented rotate.
It improves again, the bottom of installation cavity is equipped with the second stop pin in the installation gland, and the stationary seat is equipped with and is used for
With the location hole of the second stop pin cooperation.The setting of the positioning pin can be improved stationary seat and install the stabilization after gland is equipped with
Property.
Preferably, the moving ring assembly includes rotating ring and rotating seat, and the rotating seat is driven by holding screw and shaft
Dynamic connection, and sealing ring is equipped between the rotating seat and shaft, the rotating seat is equipped with the second mounting groove, and described is dynamic
Ring sealing is fitted in the second mounting groove, and the sealing surface of the rotating ring and the opposite fitting of the sealing surface of stationary ring are formed to seal and be ground
Face.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of screw compressor mechanical seal of the utility model.
Fig. 2 is a kind of another angle partial schematic diagram of screw compressor mechanical seal of the utility model.
Wherein, 1- installs gland, 2- stationary ring, 3- stationary seat, the first mounting groove of 3.1-, 3.2- installation counterbore, 3.3- spring
Hole, 3.4- location hole, 4- throw-out collar, 4.1- threaded hole, 5- spring, 6- attachment screw, the second stop pin of 7-, 8- rotating ring, 9- rotating ring
Seat, the second mounting groove of 9.1-, 10- holding screw, the first stop pin of 11-.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " equipped " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
As shown in Figure 1, a kind of screw compressor mechanical seal provided by the utility model, including it is sequentially sleeved at shaft
100 installation gland 1, moving ring assembly and static components, the abrasive end face of moving ring assembly and the abrasive end face of static components are opposite
It is fitted and connected to form sealing flour milling.
Specifically, moving ring assembly includes rotating ring 8 and rotating seat 9, rotating seat 9 is driven by holding screw 10 and shaft 100
Connection, and sealing ring is equipped between rotating seat 9 and shaft 100, rotating seat 9 is equipped with the second mounting groove 9.1, what rotating ring 8 sealed
It is fitted in the second mounting groove 9.1.
Static components include stationary ring 2 and stationary seat 3, and what stationary seat 3 sealed is fitted in the installation cavity of installation gland 1, close
The equipped of envelope refers to, is equipped with sealing ring between the lateral wall of stationary seat 3 and the installation chamber inner sidewall of installation gland 1, specifically,
It is equipped with sealing ring accommodation groove in the installation chamber inner sidewall of installation gland 1, prevents sealing ring from running.
As shown in Fig. 2, the bottom of installation cavity is equipped with the second stop pin 7, stationary seat in installation gland 1 in the present embodiment
3 are equipped with the location hole 3.4 for cooperating with the second stop pin 7, can carry out diameter to stationary seat 3 after the setting of the second stop pin 7
To limit, its rotation is prevented.
The fitting opposite with the sealing surface of rotating ring 8 of sealing surface of the stationary ring 2 far from 3 side of stationary seat forms sealing flour milling.
Specifically, the first mounting groove 3.1 is equipped on stationary seat 3, the one end of stationary ring 2 far from moving ring assembly is slidably
And what is sealed is fitted in the first mounting groove 3.1, and accommodation groove is equipped on 3.1 inner sidewall of the first mounting groove, is equipped in accommodation groove
Sealing ring, sealing ring seal the outside for being set in stationary ring 2, so that realizing sealing cooperation between stationary ring 2 and stationary seat 3.
The compensation component of integrated form, the compensation component are equipped between 2 tail end face of bottom and stationary ring of first mounting groove 3.1
After setting, so that can reset under compensation component active force after the abrasion of 2 flour milling of stationary ring, stationary ring 2 and 8 flour milling of rotating ring are enabled to
It remains and fits closely, to guarantee that sealing flour milling does not leak.
Specifically, compensation component includes throw-out collar 4, several springs 5 and connecting screw 6 in the present embodiment, stationary seat 3 is leaned on
One end of nearly installation gland 1 is equipped with installation counterbore 3.2, and throw-out collar 4 is equipped with threaded hole 4.1, and the end of connecting screw 6 passes through installation
Counterbore 3.2 is connected in threaded hole 4.1, and for throw-out collar 4 and stationary seat 3 slidably to link together, and several springs 5 are equal
Even is located between 3.1 bottom of the first mounting groove and throw-out collar 4.Several springs 5 are uniformly arranged along 3 circumferencial direction of stationary seat, with
Guarantee uniform spring-compensating power, to guarantee the stability of mechanical sealing performance.
In order to improve spring 5 installation stability, be recessed several spring eyes 3.3 in the bottom of the first mounting groove 3.1,
One end of several springs 5 is located in spring eye 3.3, and the other end acts against on throw-out collar 4.
It is equipped with the first stop pin 11 close to the side of stationary ring 2 on throw-out collar 4, the tail end face of stationary ring 2 is equipped with to be prevented with first
It ships and resell on another market the pin holes 2.1 of 11 cooperations.
The utility model preferred embodiment is described above, but is not to be construed as limiting the scope of the invention.
The utility model is not only limited to above embodiments, and specific structure is allowed to vary, all in the utility model demand for independence
Made various change is within the protection scope of the present utility model in protection scope.
Claims (5)
1. a kind of screw compressor mechanical seal, including be sequentially sleeved on shaft (100) installation gland (1), rotating ring group
Part and static components, the abrasive end face of the moving ring assembly and the abrasive end face of static components it is opposite be fitted and connected to be formed sealing mill
Face, it is characterised in that: the static components include stationary ring (2) and stationary seat (3), and the stationary seat (3) sealing is equipped with
In the installation cavity of installation gland (1), the stationary seat (3) is equipped with the first mounting groove (3.1), and the stationary ring (2) is far from dynamic
One end of ring assemblies slidably and sealing be fitted in the first mounting groove (3.1), the bottom of first mounting groove (3.1) with
The compensation component of integrated form is equipped between stationary ring (2) tail end face；
The compensation component includes throw-out collar (4), several springs (5) and attachment screw (6), and the stationary seat (3) is close to installation
One end of gland (1) is equipped with installation counterbore (3.2), and the throw-out collar (4) is equipped with threaded hole (4.1), the attachment screw (6)
End passes through installation counterbore (3.2) and is connected in threaded hole (4.1), for throw-out collar (4) slidably to be connect with stationary seat (3)
Together, and several springs (5) are uniformly located between the first mounting groove (3.1) bottom and throw-out collar (4).
2. a kind of screw compressor mechanical seal according to claim 1, it is characterised in that: first mounting groove
(3.1) several spring eyes (3.3) are equipped in bottom, one end of several springs (5) is located in spring eye (3.3), another
End acts against on throw-out collar (4).
3. a kind of screw compressor mechanical seal according to claim 1 or 2, it is characterised in that: on the throw-out collar (4)
Side close to stationary ring (2) is equipped with the first stop pin (11), and the tail end face of the stationary ring (2) is equipped with and the first stop pin
(11) pin hole (2.1) cooperated.
4. a kind of screw compressor mechanical seal according to claim 1, it is characterised in that: the installation gland (1)
The bottom of middle installation cavity is equipped with the second stop pin (7), and the stationary seat (3) is equipped with for cooperating with the second stop pin (7)
Location hole (3.4).
5. a kind of screw compressor mechanical seal according to claim 1, it is characterised in that: the moving ring assembly includes
Rotating ring (8) and rotating seat (9), the rotating seat (9) are drivingly connected by holding screw (10) and shaft (100), and described
Sealing ring is equipped between rotating seat (9) and shaft (100), the rotating seat (9) is equipped with the second mounting groove (9.1), described
Rotating ring (8) sealing be fitted in the second mounting groove (9.1), the sealing surface phase of the sealing surface and stationary ring (2) of the rotating ring (8)
Sealing flour milling is formed to fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239337.4U CN209483930U (en) | 2018-12-28 | 2018-12-28 | A kind of screw compressor mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239337.4U CN209483930U (en) | 2018-12-28 | 2018-12-28 | A kind of screw compressor mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483930U true CN209483930U (en) | 2019-10-11 |
Family
ID=68129183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822239337.4U Active CN209483930U (en) | 2018-12-28 | 2018-12-28 | A kind of screw compressor mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197004A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Prevent mechanical seal subassembly of leakage |
| CN116753186A (en) * | 2023-06-13 | 2023-09-15 | 湖北三峰透平装备股份有限公司 | Multifunctional gear speed-increasing centrifugal compressor |
-
2018
- 2018-12-28 CN CN201822239337.4U patent/CN209483930U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197004A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Prevent mechanical seal subassembly of leakage |
| CN116753186A (en) * | 2023-06-13 | 2023-09-15 | 湖北三峰透平装备股份有限公司 | Multifunctional gear speed-increasing centrifugal compressor |
| CN116753186B (en) * | 2023-06-13 | 2024-03-22 | 湖北三峰透平装备股份有限公司 | Multifunctional gear speed-increasing centrifugal compressor |
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