CN202628601U - Silicon carbide mechanical sealing device for chemical process pump - Google Patents
Silicon carbide mechanical sealing device for chemical process pump Download PDFInfo
- Publication number
- CN202628601U CN202628601U CN 201220205448 CN201220205448U CN202628601U CN 202628601 U CN202628601 U CN 202628601U CN 201220205448 CN201220205448 CN 201220205448 CN 201220205448 U CN201220205448 U CN 201220205448U CN 202628601 U CN202628601 U CN 202628601U
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- left end
- sealing
- hand member
- ring
- stationary ring
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Abstract
The utility model discloses a silicon carbide mechanical sealing device for a chemical process pump, which includes a gland (1) fixed to a pump body, a left end rotating ring seat (3) connected with a shaft sleeve (2) in a sleeving way and synchronously rotated with the shaft sleeve (2), a sealed left end rotating ring (4) linked with the left end rotating ring seat (3), and a sealed left end stationary ring (5) connected with the shaft sleeve (2) in a sleeving way and press-fitted with the sealed left end rotating ring (4), wherein a first sealing abrasion face (6) is formed by press-fitted end surfaces of the sealed left end rotating ring (4) and the sealed left end stationary ring (5), a left end stationary ring seat (7) is further arranged at an end part of the sealed left end stationary ring (5), the end part of the sealed left end stationary ring (5) is closely fitted and sealed with the left end stationary ring seat (7), and the left end stationary ring seat (7) is connected with the gland (1) through a set screw (8). The silicon carbide mechanical sealing device has the advantages that the sealing reliability is good, and the maintenance cost and manpower cost are effectively reduced.
Description
Technical field
The utility model relates to the mechanical sealing technology field, specifically is that a kind of chemical flow-process pump is used the silicon carbide mechanical seal device.
Background technique
Be applied to the chemical flow-process pump of industrial chemical field at present; Mechanical seal property is had very high requirement, because operating mode is complicated in the industrial chemical field, the pressure of industrial chemical industry middle pump body medium is higher and unstable; Existing chemical flow-process pump is used the silicon carbide mechanical seal device; Comprise the gland 1 ' fixing with the pump housing, be socketed in that axle sleeve 2 ' is gone up and the left end rotating seat 3 ' that rotates synchronously with axle sleeve 2 ', with the sealing left end rotating ring 4 ' of left end rotating seat 3 ' interlock, be socketed in that axle sleeve 2 ' is gone up and with the sealing left end stationary ring 5 ' of sealing left end rotating ring 4 ' press fit, sealing left end rotating ring 4 ' and sealing left end stationary ring 5 ' end face of press fit mutually form the first sealing flour milling 6 ', sealing left end stationary ring through left end stationary ring pad 7 ' with the gland close-fitting and seal; But because the pressure of pump housing medium is higher and unstable; Left end stationary ring pad 7 ' and the effect that sealing left end stationary ring 5 ' receives pressure medium are easily moved backward, and the first sealing flour milling 6 ' displacement easily will make like this between left end stationary ring pad 7 ' and the gland 1 ' and produce the slit; Make seal failure; And when sealing left end rotating ring 3 ' rotates, drive sealing left end stationary ring 5 ' easily and rotate, make left end stationary ring pad 7 ' and gland 1 ' joint produce wearing and tearing with left end stationary ring pad 7 '; Make pump housing medium from revealing between left end stationary ring pad 7 ' and the gland 1 '; Influence sealing effect, making needs often to change seal arrangement, and equipment maintenance cost and human cost are increased greatly.
The model utility content
The utility model provides a kind of sealing reliability good to the above-mentioned deficiency of existing technology, effectively reduces the chemical flow-process pump of equipment maintenance cost and human cost and uses the silicon carbide mechanical seal device.
In order to solve the problems of the technologies described above; The chemical flow-process pump that the utility model provides is used the silicon carbide mechanical seal device, the left end rotating seat that comprises the gland fixing, is socketed on the axle sleeve and rotates synchronously with axle sleeve with the pump housing, with the sealing left end rotating ring of left end rotating seat interlock, be socketed on the axle sleeve and with the sealing left end stationary ring of sealing left end rotating ring press fit, be with a plurality of limited rings on the left end rotating seat; Limited ring makes the left end rotating seat circumferentially spacing on axle sleeve; Left end rotating seat and axle sleeve close-fitting and sealing, sealing left end rotating ring is fixedly connected with the left end rotating seat, when the left end rotating seat rotates along with axle sleeve; Sealing left end rotating ring also rotates synchronously; The effect that the left end rotating seat receives the power of limited ring is pressed with sealing left end stationary ring and is cooperated, and sealing left end rotating ring and sealing left end the stationary ring end face of press fit mutually form first and seal flour milling, and the end of described sealing left end stationary ring also is provided with the left end stationary seat; The end of sealing left end stationary ring and left end stationary seat close-fitting and sealing, the left end stationary seat is connected with gland.
After adopting above structure, the utility model compared with prior art has following advantage:
The left end stationary seat is connected fixing with gland, the left end stationary seat can not move with sealing left end stationary ring on the one hand, and the left end stationary seat can not got loose with gland; Can prevent to seal left end stationary ring and left end stationary seat in addition on the one hand rotates; Prevent that the left end stationary seat is not easy to lose efficacy because of producing wearing and tearing between rotation and the gland, so just make to seal, and makes sealing reliability good; Do not need often to change seal arrangement, effectively reduce equipment maintenance cost and human cost.
As preferably, described left end stationary seat is connected through positioning screwn with gland, and positioning screwn is connected firmly the left end stationary seat with gland, can not become flexible, and makes sealing reliable.
As improvement, described positioning screwn is four and circumferentially evenly distributes, and makes the left end stationary seat stressed evenly, better tightness.
As further improvement, described axle sleeve be socketed with the right-hand member rotating seat, with the sealing right-hand member rotating ring of right-hand member rotating seat interlock, with the sealing right-hand member stationary ring of sealing right-hand member rotating ring press fit, axle sleeve and right-hand member rotating seat rotate synchronously; Be with a plurality of limited rings on the right-hand member rotating seat, limited ring makes the right-hand member rotating seat circumferentially spacing on axle sleeve, right-hand member rotating seat and axle sleeve close-fitting and sealing; Sealing right-hand member rotating ring is fixedly connected with the right-hand member rotating seat, and when the right-hand member rotating seat rotated along with axle sleeve, sealing right-hand member rotating ring also rotated synchronously; The effect that the right-hand member rotating seat receives the power of limited ring is pressed with sealing right-hand member stationary ring and is cooperated; Seal the right-hand member rotating ring and seal the right-hand member stationary ring end face formation second sealing flour milling of press fit mutually, sealing right-hand member stationary ring passes through right-hand member stationary ring pad and the gland close-fitting also seals, the designs of two sealing flour millings; Can play the sealing of double insurance; That is to say that if left end is sealed with little leakage the right-hand member sealing just can be brought into play seal action, prevents seepage.
Description of drawings
Fig. 1 is the sectional view structural representation of the chemical flow-process pump of existing technology with the silicon carbide mechanical seal device;
Fig. 2 is the sectional view structural representation of the utility model chemical flow-process pump with the silicon carbide mechanical seal device.
Shown in the existing technology figure, 1 ', gland; 2 ', axle sleeve; 3 ', left end rotating seat; 4 ', sealing left end rotating ring; 5 ', sealing left end stationary ring; 6 ', the first sealing flour milling; 7 ', left end stationary ring pad;
Shown in the utility model figure, 1, gland; 2, axle sleeve; 3, left end rotating seat; 4, sealing left end rotating ring; 5, sealing left end stationary ring; 6, the first sealing flour milling; 7, left end stationary seat; 8, positioning screwn; 9, right-hand member rotating seat; 10, sealing right-hand member rotating ring; 11, sealing right-hand member stationary ring; 12, the second sealing flour milling; 13, right-hand member stationary ring pad.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done explanation in further detail.
Can know with the structural representation of silicon carbide mechanical seal device by the utility model chemical flow-process pump shown in Figure 1; The left end rotating seats 3 that comprise the gland 1 fixing, are socketed on the axle sleeve 2 and rotate synchronously with axle sleeve 2 with the pump housing, with the sealing left end rotating ring 4 of left end rotating seat 3 interlocks, be socketed on the axle sleeve 2 and with the sealing left end stationary ring 5 of sealing left end rotating ring 4 press fits; Be with a plurality of limited rings on the left end rotating seat 3; Limited ring makes left end rotating seat 3 circumferentially spacing on axle sleeve 2; Left end rotating seat 3 and axle sleeve 2 close-fittings and sealing, sealing left end rotating ring 4 is fixedly connected with left end rotating seat 3, when left end rotating seat 3 rotates along with axle sleeve 2; Sealing left end rotating ring 4 also rotates synchronously; The effect that left end rotating seat 3 receives the power of limited ring is pressed with sealing left end stationary ring 5 and is cooperated, and sealing left end rotating ring 4 and sealing left end stationary ring 5 end face of press fit mutually form first and seal flour milling 6, and the end of described sealing left end stationary ring 5 also is provided with left end stationary seat 7; The end of sealing left end stationary ring 5 and left end stationary seat 7 close-fittings and sealing, left end stationary seat 7 is connected with gland 1.
Described left end stationary seat 7 is connected through positioning screwn 8 with gland 1.
Described positioning screwn 8 is four and circumferentially evenly distributes along the end face of gland 1.
Described axle sleeve 2 be socketed with right-hand member rotating seat 9, with the sealing right-hand member rotating ring 10 of right-hand member rotating seat 9 interlock, with the sealing right-hand member stationary ring 11 of sealing right-hand member rotating ring 10 press fits; Axle sleeve 2 rotates with right-hand member rotating seat 9 synchronously; Be with a plurality of limited rings on the right-hand member rotating seat 9, limited ring makes right-hand member rotating seat 9 circumferentially spacing on axle sleeve 2, right-hand member rotating seat 9 and axle sleeve 2 close-fittings and sealing; Sealing right-hand member rotating ring 10 is fixedly connected with right-hand member rotating seat 9; When right-hand member rotating seat 9 rotated along with axle sleeve 2, sealing right-hand member rotating ring 10 also rotated synchronously, right-hand member rotating seat 9 receive limited ring power effect with seal right-hand member stationary ring 11 and press and cooperate; Seal right-hand member rotating ring 10 and seal the right-hand member stationary ring 11 end face formation second sealing flour milling 12 of press fit mutually, sealing right-hand member stationary ring 11 passes through right-hand member stationary ring pad 13 and the also sealing of gland 1 close-fitting.
Below only use preferable instance with regard to the utility model and made explanation, but can not be interpreted as it is the restriction to claim, the structure of the utility model can have other variations, is not limited to said structure.In a word, the various variations of being done in the protection domain of all independent claims at the utility model are all in the protection domain at the utility model.
Claims (4)
1. a chemical flow-process pump is used the silicon carbide mechanical seal device; Comprise the gland (1) fixing with the pump housing, be socketed in that axle sleeve (2) is gone up and the left end rotating seat (3) that rotates synchronously with axle sleeve (2), with the sealing left end rotating ring (4) of left end rotating seat (3) interlock, be socketed in that axle sleeve (2) is gone up and with the sealing left end stationary ring (5) of sealing left end rotating ring (4) press fit; Seal left end rotating ring (4) and seal left end stationary ring (5) the end face formation first sealing flour milling (6) of press fit mutually; It is characterized in that: the end of described sealing left end stationary ring (5) also is provided with left end stationary seat (7); The end of sealing left end stationary ring (5) and left end stationary seat (7) close-fitting and sealing, left end stationary seat (7) is connected with gland (1).
2. chemical flow-process pump according to claim 1 is used the silicon carbide mechanical seal device, it is characterized in that: described left end stationary seat (7) is connected through positioning screwn (8) with gland (1).
3. chemical flow-process pump according to claim 2 is used the silicon carbide mechanical seal device, it is characterized in that: described positioning screwn (8) is four and circumferentially evenly distributes.
4. chemical flow-process pump according to claim 1 is used the silicon carbide mechanical seal device; It is characterized in that: described axle sleeve (2) be socketed with right-hand member rotating seat (9), with the sealing right-hand member rotating ring (10) of right-hand member rotating seat (9) interlock, with the sealing right-hand member stationary ring (11) of sealing right-hand member rotating ring (10) press fit; Axle sleeve (2) rotates with right-hand member rotating seat (9) synchronously; Seal right-hand member rotating ring (10) and seal right-hand member stationary ring (11) the end face formation second sealing flour milling (12) of press fit mutually, sealing right-hand member stationary ring (11) passes through right-hand member stationary ring pad (13) and the also sealing of gland (1) close-fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205448 CN202628601U (en) | 2012-05-09 | 2012-05-09 | Silicon carbide mechanical sealing device for chemical process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205448 CN202628601U (en) | 2012-05-09 | 2012-05-09 | Silicon carbide mechanical sealing device for chemical process pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628601U true CN202628601U (en) | 2012-12-26 |
Family
ID=47381806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205448 Expired - Fee Related CN202628601U (en) | 2012-05-09 | 2012-05-09 | Silicon carbide mechanical sealing device for chemical process pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468287A (en) * | 2015-08-20 | 2017-03-01 | 宇航航天装备有限公司 | A kind of centrifugal pump specialized high-speed swivel joint |
-
2012
- 2012-05-09 CN CN 201220205448 patent/CN202628601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468287A (en) * | 2015-08-20 | 2017-03-01 | 宇航航天装备有限公司 | A kind of centrifugal pump specialized high-speed swivel joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20140509 |