CN204755615U - Sparkproof end cover for bearing - Google Patents
Sparkproof end cover for bearing Download PDFInfo
- Publication number
- CN204755615U CN204755615U CN201520459616.5U CN201520459616U CN204755615U CN 204755615 U CN204755615 U CN 204755615U CN 201520459616 U CN201520459616 U CN 201520459616U CN 204755615 U CN204755615 U CN 204755615U
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- CN
- China
- Prior art keywords
- bearing
- ring
- sparkproof
- stuffing box
- madial wall
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Abstract
The utility model discloses a sparkproof end cover for bearing, including the bearing end plate body, having two protruding retaining rings on the inside wall of bearing end plate body, having the forked tail ring channel on the inside wall of protruding retaining ring, teflon seal circle nestification has the extension on the inside wall of teflon seal circle in the forked tail ring channel, and ring packing cover plug bush has the annular groove corresponding with the extension on the lateral wall that the ring packing overlaps in the middle of the polytetrafluoroethylene in the middle of the polytetrafluoroethylene in the protruding retaining ring of bearing end plate body, and the extension nestification is in the annular groove. The polytetrafluoroethylene sealing washer that it adopted in the middle of the polytetrafluoroethylene ring packing cover and was close to the outer end of bearing end plate body carries out double sealing, and it is sealed effectual, moreover polytetrafluoroethylene friction sparkless produce, high temperature resistant, coefficient of friction low, safe and reliable, moreover its installation dismantle simple and conveniently.
Description
Technical field:
The utility model relates to sliding bearing technical field, relates to a kind of bearing sparkproof end cap in particular.
Background technique:
Sliding bearing all trades and professions application widely, along with the continuous expansion of sliding bearing application and the continuous progress of technology.At some special industrial and minerals as in petrochemical enterprise, the transfering natural gas from the west to the east sliding bearing using process such as natural gas compressing gas station, require bearing end-cover explosion-proof no-spark and sealingly secure is reliable, installing/dismounting is simple and convenient.
Meanwhile, owing to needing sleeve rotating shaft in bearing (ball) cover, and seal ring and rotating shaft phase deviation will be made during the disalignment of the seal ring that the axis hole madial wall of rotating shaft and bearing (ball) cover has, sealing effect is declined.
Model utility content:
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of bearing sparkproof end cap is provided, it adopts teflon intermediate annular stuffing box gland and carries out double seal near the teflin ring of the outer end of bearing (ball) cover body, its good sealing effect, and teflon intermediate annular stuffing box gland can carry out certain fine setting according to the position of rotating shaft, thus teflon intermediate annular stuffing box gland is matched with rotating shaft, ensure sealing effect, and teflon intermediate annular stuffing box gland and teflin ring adopt polytetrafluoroethylmaterial material, its friction no-spark produces, high temperature resistant, friction factor is low, safe and reliable, and its installing/dismounting is simple and convenient.
The scheme that the utility model solve the technical problem is:
A kind of bearing sparkproof end cap, comprise bearing (ball) cover body, the madial wall of described bearing (ball) cover body have two protruding back-up rings, the madial wall of protruding back-up ring has dovetail circular groove, teflin ring is nested in dovetail circular groove, the madial wall of teflin ring has extension part, teflon intermediate annular stuffing box gland sleeve is in the protruding back-up ring of bearing (ball) cover body, the outer side wall of teflon intermediate annular stuffing box gland has the annular groove corresponding with extension part, and extension part is nested in annular groove.
Have annular in the middle part of the outer wall of described teflon intermediate annular stuffing box gland and extend lug boss, annular extends lug boss and contacts with the madial wall of protruding back-up ring.
Teflon intermediate annular stuffing box gland is provided with in the protruding back-up ring at the interior edge face place of bearing (ball) cover body, the diameter of the madial wall of teflon intermediate annular stuffing box gland is identical with the diameter of the madial wall of the extension part of the teflin ring be provided with in the protruding back-up ring at the exterior edge face place of bearing (ball) cover body, and the longitudinal center line of teflon intermediate annular stuffing box gland and the longitudinal center line of all extension parts coincide.
The outer side wall of described annular extension lug boss is evenly equipped with multiple bolt apertures, be inserted with damping spring in bolt apertures and be bolted with the block that is spirally connected, be spirally connected in block and be inserted with spacing spheroid, the bottom end of bolt apertures is put forth effort in one end of damping spring, the other end puts forth effort on spacing spheroid, and the block being nested in the spacing shrinkage pool that corresponding protruding back-up ring has of being spirally connected is stretched out at the top of spacing spheroid.
The middle part of the described block that is spirally connected has frustoconic shape through hole, and the outer diameter of frustoconic shape through hole is less than the inner diameter of frustoconic shape through hole, and spacing spheroid sleeve is in frustoconic shape through hole.
The madial wall of described protruding back-up ring have two dovetail circular grooves.
Outstanding effect of the present utility model is:
Compared with prior art, it adopts teflon intermediate annular stuffing box gland and carries out double seal near the teflin ring of the outer end of bearing (ball) cover body, its good sealing effect, and teflon intermediate annular stuffing box gland can carry out certain fine setting according to the position of rotating shaft, thus teflon intermediate annular stuffing box gland is matched with rotating shaft, ensure sealing effect, and teflon intermediate annular stuffing box gland and teflin ring adopt polytetrafluoroethylmaterial material, its friction no-spark produces, high temperature resistant, friction factor is low, safe and reliable, and its installing/dismounting is simple and convenient.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial sectional view of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 3.
Embodiment:
Embodiment, see as shown in Figures 1 to 4, a kind of bearing sparkproof end cap, comprise bearing (ball) cover body 10, the madial wall of described bearing (ball) cover body 10 have two protruding back-up rings 11, the madial wall of protruding back-up ring 11 has dovetail circular groove 12, teflin ring 20 is nested in dovetail circular groove 12, the madial wall of teflin ring 20 has extension part 21, teflon intermediate annular stuffing box gland 30 sleeve is in the protruding back-up ring 11 of bearing (ball) cover body 10, the outer side wall of teflon intermediate annular stuffing box gland 30 have the annular groove 31 corresponding with extension part 21, extension part 21 is nested in annular groove 31.
Further, have annular and extend lug boss 32 in the middle part of the outer wall of described teflon intermediate annular stuffing box gland 30, annular extends lug boss 32 and contacts with the madial wall of protruding back-up ring 11.
Further, teflon intermediate annular stuffing box gland 30 is provided with in the protruding back-up ring 11 at the interior edge face place of bearing (ball) cover body 10, the diameter of the madial wall of teflon intermediate annular stuffing box gland 30 is identical with the diameter of the madial wall of the extension part 21 of the teflin ring 20 be provided with in the protruding back-up ring 11 at the exterior edge face place of bearing (ball) cover body 10, and the longitudinal center line of teflon intermediate annular stuffing box gland 30 and the longitudinal center line of all extension parts 21 coincide.
Further, the outer side wall of described annular extension lug boss 32 is evenly equipped with multiple bolt apertures 33, be inserted with damping spring 34 in bolt apertures 33 and be bolted with the block 35 that is spirally connected, be spirally connected in block 35 and be inserted with spacing spheroid 36, the bottom end of bolt apertures 33 is put forth effort in one end of damping spring 34, the other end puts forth effort on spacing spheroid 36, and the block 35 being nested in the spacing shrinkage pool 111 that corresponding protruding back-up ring 11 has of being spirally connected is stretched out at the top of spacing spheroid 36.
Further, described in the be spirally connected middle part of block 35 there is frustoconic shape through hole 351, the outer diameter of frustoconic shape through hole 351 is less than the inner diameter of frustoconic shape through hole 351, and spacing spheroid 36 sleeve is in frustoconic shape through hole 351.
Further, the madial wall of described protruding back-up ring 11 have two dovetail circular grooves 12.
In the present embodiment, its bearing (ball) cover body 10 is divided into upper and lower two and half arc bodies, same, teflin ring 20 and teflon intermediate annular stuffing box gland 30 form by two semi-ring bodies, adopt the convenient installation of this mode of structure, and teflin ring 20 and teflon intermediate annular stuffing box gland 30 all adopt teflon material, teflon material has friction no-spark and produces, high temperature resistant, the characteristics such as friction factor is low, make bearing at some special industrial and minerals as petrochemical enterprise, in the sliding bearing using processs such as transfering natural gas from the west to the east natural gas compressing gas station, explosion-proof no-spark and sealingly secure is reliable.Therefore the utility model has the features such as structure is simple, sealingly secure reliable, easy installation and removal, explosion-proof no-spark.
And teflon intermediate annular stuffing box gland 30 can carry out certain adjustment according to the mounting point of rotating shaft, it is by damping spring 34 and the distortion realization adjustment being nested in the extension part 21 in annular groove 31, and self-regulation is effective.
Finally; above mode of execution is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification, therefore all equivalent technological schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (6)
1. a bearing sparkproof end cap, comprise bearing (ball) cover body (10), it is characterized in that: the madial wall of described bearing (ball) cover body (10) has two protruding back-up rings (11), the madial wall of protruding back-up ring (11) has dovetail circular groove (12), teflin ring (20) is nested in dovetail circular groove (12), the madial wall of teflin ring (20) has extension part (21), teflon intermediate annular stuffing box gland (30) sleeve is in the protruding back-up ring (11) of bearing (ball) cover body (10), the outer side wall of teflon intermediate annular stuffing box gland (30) have the annular groove (31) corresponding with extension part (21), extension part (21) is nested in annular groove (31).
2. a kind of bearing sparkproof end cap according to claim 1, it is characterized in that: have annular in the middle part of the outer wall of described teflon intermediate annular stuffing box gland (30) and extend lug boss (32), annular extends lug boss (32) and contacts with the madial wall of protruding back-up ring (11).
3. a kind of bearing sparkproof end cap according to claim 2, it is characterized in that: in the protruding back-up ring (11) at the interior edge face place of bearing (ball) cover body (10), be provided with teflon intermediate annular stuffing box gland (30), the diameter of the madial wall of teflon intermediate annular stuffing box gland (30) is identical with the diameter of the madial wall of the extension part (21) of the teflin ring (20) be provided with in the protruding back-up ring (11) at the exterior edge face place of bearing (ball) cover body (10), the longitudinal center line of teflon intermediate annular stuffing box gland (30) and the longitudinal center line of all extension parts (21) coincide.
4. a kind of bearing sparkproof end cap according to claim 3, it is characterized in that: the outer side wall of described annular extension lug boss (32) is evenly equipped with multiple bolt apertures (33), be inserted with damping spring (34) in bolt apertures (33) and be bolted with the block that is spirally connected (35), be spirally connected in block (35) and be inserted with spacing spheroid (36), the bottom end of bolt apertures (33) is put forth effort in one end of damping spring (34), the other end puts forth effort on spacing spheroid (36), the top of spacing spheroid (36) is stretched out the block that is spirally connected (35) and is nested in the spacing shrinkage pool (111) that corresponding protruding back-up ring (11) has.
5. a kind of bearing sparkproof end cap according to claim 4, it is characterized in that: described in the be spirally connected middle part of block (35) there is frustoconic shape through hole (351), the outer diameter of frustoconic shape through hole (351) is less than the inner diameter of frustoconic shape through hole (351), and spacing spheroid (36) sleeve is in frustoconic shape through hole (351).
6. a kind of bearing sparkproof end cap according to claim 5, is characterized in that: the madial wall of described protruding back-up ring (11) has two dovetail circular grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459616.5U CN204755615U (en) | 2015-06-29 | 2015-06-29 | Sparkproof end cover for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459616.5U CN204755615U (en) | 2015-06-29 | 2015-06-29 | Sparkproof end cover for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755615U true CN204755615U (en) | 2015-11-11 |
Family
ID=54470326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520459616.5U Active CN204755615U (en) | 2015-06-29 | 2015-06-29 | Sparkproof end cover for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755615U (en) |
-
2015
- 2015-06-29 CN CN201520459616.5U patent/CN204755615U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |