CN204458493U - A kind of anti-reverse coal tar oil pump impeller device come off - Google Patents
A kind of anti-reverse coal tar oil pump impeller device come off Download PDFInfo
- Publication number
- CN204458493U CN204458493U CN201520144166.0U CN201520144166U CN204458493U CN 204458493 U CN204458493 U CN 204458493U CN 201520144166 U CN201520144166 U CN 201520144166U CN 204458493 U CN204458493 U CN 204458493U
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- China
- Prior art keywords
- retaining
- axis body
- hole
- tooth
- screws
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- 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.)
- Expired - Fee Related
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- 239000011280 coal tar Substances 0.000 title claims abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of anti-reverse coal tar oil pump impeller device come off, and it comprises impeller, pump shaft and nut; Impeller comprises attachment hole, inner stopper and retaining tooth; Retaining tooth comprises tooth and screws in side and retaining side; Pump shaft comprises screw thread axis body, connects axis body, retaining axis body, pilot hole, spacing hole, interior threaded hole, and connect axis body and attachment hole cooperation, retaining axis body and inner stopper coordinate; In pilot hole, be provided with retaining body, in interior threaded hole, be provided with plug, between plug and retaining body, be provided with spring; Retaining body comprises guiding axis body, the plate be arranged on guiding axis body screws in side and and screw in the plate retaining side that is oppositely arranged, side; The thread rotary orientation that plate screws in side, tooth screws in side and screw thread axis body is suitable, tooth retaining side and plate retaining side suitable, the utility model compact structure, durable, economical and practical, do not hinder pump shaft screw thread, be convenient to dismounting, be applicable to large-scale promotion.
Description
Technical field
The utility model relates to a kind of coal tar oil pump impeller device, is specifically related to a kind of anti-reverse coal tar oil pump impeller device come off.
Background technique
Current impeller is directly screwed on the fixing dependence screw thread of pump shaft and is connected, right-hand thread and the clockwise rotation direction of pump shaft is adopted to interact, turn tighter and tighter, in using at the scene, during pump running in the early stage, motor easily plays reversion, the reactive torque strength produced is very large, cause impeller to come off, pump cannot run well, and traditional locking device is easy to unclamp under reactive torque effect, or thread damage tears to get off nut open, damage pump shaft.
Model utility content
For the problems referred to above, it is good, durable and do not hinder the anti-reverse coal tar oil pump impeller device come off of pump shaft screw thread that technical problem to be solved in the utility model is to provide a kind of anti-loosing effect.
The utility model adopts following technological scheme:
The utility model comprises the pump shaft and nut that impeller and impeller be connected by key; Described impeller comprises the attachment hole be connected with pump shaft, the inner stopper being positioned at attachment hole side and the retaining tooth be arranged on inner stopper madial wall that is uniformly distributed along the circumference; Described retaining tooth comprises tooth and screws in side and screw in tooth the tooth retaining side that side is oppositely arranged; Described pump shaft comprise be connected with nut screw thread axis body, be arranged on connection axis body on the right side of screw thread axis body, be arranged on connect retaining axis body on the right side of axis body, radial direction is arranged on pilot hole in retaining axis body, be arranged on the spacing hole of pilot hole one end, be arranged on the interior threaded hole of the pilot hole the other end, described connection axis body and attachment hole match, described retaining axis body and inner stopper Spielpassung, described spacing hole diameter is less than pilot hole diameter, and described pilot hole diameter is less than the internal diameter of interior threaded hole; In described pilot hole, be provided with retaining body, in described interior threaded hole, be provided with plug, between described plug and retaining body, be provided with spring; Described retaining body comprises guiding axis body, the plate be arranged on guiding axis body screws in side and screws in plate the plate retaining side that side is oppositely arranged, and it is corresponding with spacing hole that described plate screws in side and plate screw-in side; The thread rotary orientation that described plate screws in the true dip direction of side, the true dip direction of tooth screw-in side and screw thread axis body is corresponding, and described tooth retaining side is corresponding with plate retaining side; Described inner stopper sidewall is provided with removal hole, and described removal hole is corresponding with described plug.
The beneficial effects of the utility model are as follows:
The utility model is by adopting by arranging retaining tooth on pump shaft and impeller, make impeller also can rotate backward along with pump shaft both can rotate forward and not come off, when turned reversely, the retaining side of retaining tooth and retaining body is effectively prevented impeller and is come off under the action of the spring, when keeping in repair, by removal hole, plug and spring are taken out, detachable impeller from pump shaft, and do not damage locking screw, the utility model compact structure, durable, economical and practical, be applicable to large-scale promotion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model pump shaft;
Fig. 3 is the structural representation of the utility model impeller;
Fig. 4 is that the A-A of Fig. 3 is to sectional structure schematic diagram;
Fig. 5 is the structural representation of the utility model retaining body;
Fig. 6 be the utility model retaining body look up structural representation.
In accompanying drawing: 1, impeller; 11, attachment hole; 12, inner stopper; 13, retaining tooth; 14, tooth screws in side; 15, tooth retaining side; 16, removal hole; 2, nut; 3, pump shaft; 31, screw thread axis body; 32, axis body is connected; 33, retaining axis body; 34, pilot hole; 35, spacing hole; 36, interior threaded hole; 4, retaining body; 41, plate screws in side; 42, plate retaining side; 43, lead axis body; 5, spring; 6, plug.
Embodiment
As shown in figures 1 to 6, the utility model comprises the pump shaft 3 and nut 2 that impeller 1 and impeller 1 be connected by key; Impeller 1 comprises the attachment hole 11 be connected with pump shaft 3, the inner stopper 12 being positioned at attachment hole 11 side and the retaining tooth 13 be arranged on inner stopper 12 madial wall that is uniformly distributed along the circumference; Retaining tooth 13 comprises tooth and screws in side 14 and screw in tooth the tooth retaining side 15 that side 14 is oppositely arranged; Pump shaft 3 comprise be connected with nut 2 screw thread axis body 31, be arranged on connection axis body 32 on the right side of screw thread axis body 31, be arranged on connect retaining axis body 33 on the right side of axis body 32, radial direction is arranged on pilot hole 34 in retaining axis body 33, be arranged on the spacing hole 35 of pilot hole 34 one end, be arranged on the interior threaded hole 36 of pilot hole 34 the other end, connection axis body 32 and attachment hole 11 match, retaining axis body 33 and inner stopper 12 Spielpassung, spacing hole 35 diameter is less than pilot hole 34 diameter, and pilot hole 34 diameter is less than the internal diameter of interior threaded hole 36; In pilot hole 34, be provided with retaining body 4, in interior threaded hole 36, be provided with plug 6, between plug 6 and retaining body 4, be provided with spring 5; Retaining body 4 comprises guiding axis body 43, the plate be arranged on guiding axis body 43 screws in side 41 and screws in plate the plate retaining side 42 that side 41 is oppositely arranged, and it is corresponding that plate screws in side 41 and plate screw-in side 41 and spacing hole 35; The true dip direction that plate screws in the true dip direction of side 41, tooth screws in side 14 and the thread rotary orientation of screw thread axis body 31 corresponding, tooth retaining side 15 and plate retaining side 42 corresponding; Inner stopper 12 sidewall is provided with removal hole 16, removal hole 16 and plug 6 corresponding.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. the anti-reverse coal tar oil pump impeller device come off, is characterized in that: comprise pump shaft (3) and nut (2) that impeller (1) and impeller (1) be connected by key;
Described impeller (1) comprises the attachment hole (11) be connected with pump shaft (3), the inner stopper (12) being positioned at attachment hole (11) side and the retaining tooth (13) be arranged on inner stopper (12) madial wall that is uniformly distributed along the circumference;
Described retaining tooth (13) comprises tooth and screws in side (14) and screw in tooth the tooth retaining side (15) that side (14) is oppositely arranged;
Described pump shaft (3) comprises the screw thread axis body (31) be connected with nut (2), be arranged on the connection axis body (32) on screw thread axis body (31) right side, be arranged on the retaining axis body (33) connecting axis body (32) right side, radial direction is arranged on the pilot hole (34) in retaining axis body (33), be arranged on the spacing hole (35) of pilot hole (34) one end, be arranged on the interior threaded hole (36) of pilot hole (34) the other end, described connection axis body (32) and attachment hole (11) match, described retaining axis body (33) and inner stopper (12) Spielpassung, described spacing hole (35) diameter is less than pilot hole (34) diameter, described pilot hole (34) diameter is less than the internal diameter of interior threaded hole (36),
In described pilot hole (34), be provided with retaining body (4), in described interior threaded hole (36), be provided with plug (6), between described plug (6) and retaining body (4), be provided with spring (5);
Described retaining body (4) comprises guiding axis body (43), the plate be arranged in guiding axis body (43) screws in side (41) and screws in plate the plate retaining side (42) that side (41) is oppositely arranged, and it is corresponding that described plate screws in side (41) and plate screw-in side (41) and spacing hole (35);
The true dip direction that described plate screws in the true dip direction of side (41), tooth screws in side (14) and the thread rotary orientation of screw thread axis body (31) corresponding, described tooth retaining side (15) and plate retaining side (42) corresponding;
Described inner stopper (12) sidewall is provided with removal hole (16), described removal hole (16) and described plug (6) corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144166.0U CN204458493U (en) | 2015-03-15 | 2015-03-15 | A kind of anti-reverse coal tar oil pump impeller device come off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144166.0U CN204458493U (en) | 2015-03-15 | 2015-03-15 | A kind of anti-reverse coal tar oil pump impeller device come off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458493U true CN204458493U (en) | 2015-07-08 |
Family
ID=53665388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520144166.0U Expired - Fee Related CN204458493U (en) | 2015-03-15 | 2015-03-15 | A kind of anti-reverse coal tar oil pump impeller device come off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458493U (en) |
-
2015
- 2015-03-15 CN CN201520144166.0U patent/CN204458493U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |