CN106499677B - A kind of reverse self-lock protection mechanism - Google Patents
A kind of reverse self-lock protection mechanism Download PDFInfo
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- CN106499677B CN106499677B CN201610994461.4A CN201610994461A CN106499677B CN 106499677 B CN106499677 B CN 106499677B CN 201610994461 A CN201610994461 A CN 201610994461A CN 106499677 B CN106499677 B CN 106499677B
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- mounting hole
- valve body
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- body mounting
- fuel tap
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of reverse self-lock protection mechanisms, including damping body, ratchet wheel body, installation axle, external gear, key seat, rotation axis, sealing ring, banking pin, tripping spring, cod and waveform spring；It is connected with ratchet wheel body front end on the downside of damping body, seals in concave ring and be provided with sealing ring, external gear is provided in the installation axle being arranged between the second groove on the first groove on damping body and ratchet wheel body；Big hole one end in the key seat is provided with bearing step, and key seat one end is provided with several pin holes；Cod is provided in the bearing step of key seat, the spindle nose of rotation axis passes through big hole, tripping spring is provided between banking pin lower end and pin hole bottom surface；It is provided with waveform spring between cod and lower cylindrical hole bottom surface；The present invention can effectively absorb recoil strength caused by reversion by will be provided with ratchet inversion structures and hydraulic reverse turning-proof structure on device；The configuration of the present invention is simple, easy for installation, anti-reverse effect is good, can be widely popularized and be applied.
Description
【Technical field】
The present invention relates to the technical fields of transient state damping, the especially technical field of transient state damping inversion structures.
【Background technology】
In engineering goods, the use scope of pump is very extensive, is shut down suddenly in pump, since inlet and outlet pressure difference acts on,
It causes rotor or impeller to reverse, causes the nut loosening of tightening of rotor or impeller to fall off, severe patient causes rotor or impeller
Damage.Meanwhile reversion causes pipeline water hammer, causes system shock, causes motor and equipment damage, mechanical seal is caused to damage.
Unilateral bearing is generally used at this stage, this kind of structure is applied under low pressure operating mode, anti-reverse in high voltage transient operating mode, due to moment
Impact force is promoted, and easily unilateral bearing is caused to fail, and being badly in need of one kind thus being capable of moment anti-reverse-rotation structure.It is inverted for moment
Under operating mode, can prevent can be with the damping mechanism of soft impact absorbing instant impact while reversion.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of reverse self-lock protection mechanism, can make
Reverse impact caused by reversion is effectively absorbed, effective protection mechanical part is without damage, simple in structure, easy for installation.
To achieve the above object, the present invention proposes a kind of reverse self-lock protection mechanism, including damping body, ratchet wheel body, peace
Fill axis, external gear, key seat, rotation axis, sealing ring, banking pin, tripping spring, cod and waveform spring；The damping body
Downside is connected with ratchet wheel body front end, and bulge loop is matched with outer step, seals and is provided with sealing ring in concave ring, on the damping body
The first groove and ratchet wheel body on the second groove between be provided with external gear, external gear and internal gear phase in the installation axle that is arranged
Engagement；Big hole one end in the key seat is provided with bearing step, and key seat one end is provided with several pin holes, and pin hole is around great circle
The axial line in hole is evenly distributed on key seat；Cod is provided in the bearing step of the key seat, the spindle nose of rotation axis is worn
Big hole and cod inner ring are crossed, spindle nose is synchronous with the rotation of big hole, and the pin hole is provided with banking pin, banking pin lower end
Tripping spring is provided between pin hole bottom surface, banking pin one end is in contact with ratchet；The cod and lower cylindrical hole bottom
Waveform spring is provided between face.
Preferably, the installation end being arranged on the downside of the damping body covers and is provided with mounting hole, installation end cap downside is set
It is equipped with bulge loop, the fluid flow cavity bottom being arranged on installation end cap downside is provided with the first groove；The damping body upper end is set
Be equipped with upper chamber and the 4th valve body mounting hole, be provided with third valve body mounting hole on upper chamber bottom surface, third valve body mounting hole with
Third fuel tap and the 4th fuel tap are correspondingly arranged in 4th valve body mounting hole, damping body lower end is provided with lower chambers and the first valve body
Mounting hole, damping body side surface are provided with the second valve body mounting hole, and the first valve body mounting hole is corresponding in the second valve body mounting hole to be set
It is equipped with the first fuel tap and the second fuel tap；The fluid flow cavity is connected with the 4th valve body mounting hole by upper oil hole, fluid stream
Dynamic chamber is connected with the first valve body mounting hole by lower oilhole, and fluid flow cavity is connected with the second valve body mounting hole by side oilhole
It connects, the radial hole on the second fuel tap is connected with third valve body mounting hole and lower chambers by oilhole respectively, on the second fuel tap
Axial hole is connected with side oilhole, is connected by oilhole between lower chambers and the first valve body mounting hole, upper chamber and the 4th valve
It is connected by oilhole between body mounting hole.
Preferably, being provided with cylinder, outer step and sealing concave ring on the ratchet wheel body front end face, sealing concave ring is located at
Between upper cylinder and outer step, it is provided with internal gear on the inside of upper cylinder, several oil-through holes, mistake are provided on upper cylinder external cylindrical surface
Oilhole is connected with internal gear teeth bottom, and the second groove is provided on internal gear bottom surface, and ratchet wheel body rear end is provided with lower cylindrical hole, spine
Wheel body rear end is provided with ratchet on end face.
Preferably, the axial line of the axial line and the first groove of the upper cylinder is misaligned, the axial line of the first groove
It coincides with the axial line of the second groove, the axial line of the second groove and the axial line of upper cylinder are misaligned.
Preferably, the damping body upper end is provided with upper cover plate, damping body lower end is provided with lower cover, after the second fuel tap
End is provided with mother rib lateral rotundum cover board.
Preferably, first fuel tap allows fluid flow direction to be that fluid flow cavity flows to the first valve body mounting hole,
Second fuel tap allows fluid flow direction to be that lower chambers and third valve body mounting hole flow to fluid flow cavity, and third fuel tap allows oil
Liquid flow direction is that upper chamber flows to third valve body mounting hole, and the 4th fuel tap allows fluid flow direction to be flowed to for fluid flow cavity
4th valve body mounting hole.
Beneficial effects of the present invention：The present invention is by will be provided with ratchet inversion structures and hydraulic reverse turning-proof knot in the present apparatus
Structure can effectively absorb recoil strength caused by reversion；First fuel tap, the second fuel tap, third fuel tap and the 4th fuel tap allow fluid
Flow direction is one direction, and rotation axis can be effectively increased reversion damping in reversion, and when rotation axis main story, fluid forms stream
Dynamic cycle, does not influence its normal operation；It is provided with waveform spring and sealing ring, ratchet wheel body end face can tightly be withstood on damping body
Downside, the fluid inside fluid flow cavity can be effectively ensured and do not leak；The configuration of the present invention is simple, easy for installation, counnter attack
It is good to turn effect, can be widely popularized and be applied.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of front view of reverse self-lock protection mechanism of the present invention；
Fig. 2 is a kind of main view sectional view of reverse self-lock protection mechanism of the present invention；
Fig. 3 is a kind of A-A cross section views of reverse self-lock protection mechanism of the present invention；
Fig. 4 is a kind of damping body front view of reverse self-lock protection mechanism of the present invention；
Fig. 5 is a kind of damping body B-B cross section views of reverse self-lock protection mechanism of the present invention；
Fig. 6 is a kind of damping body dimensional structure diagram of reverse self-lock protection mechanism of the present invention；
Fig. 7 is a kind of three-dimensional another structural schematic diagram of damping body of reverse self-lock protection mechanism of the present invention；
Fig. 8 is a kind of ratchet wheel body dimensional structure diagram of reverse self-lock protection mechanism of the present invention；
Fig. 9 is a kind of another dimensional structure diagram of ratchet wheel body of reverse self-lock protection mechanism of the present invention；
Figure 10 is a kind of key seat dimensional structure diagram of reverse self-lock protection mechanism of the present invention.
In figure：1- damping bodies, 101- installations end cap, 102- mounting holes, 103- bulge loops, 104- fluid flow cavity, 105- the
One groove, 106- upper chamber, the 4th valve body mounting holes of 107-, 108- lower chambers, the first valve bodies of 109- mounting hole, the second valves of 110-
Oilhole under body mounting hole, 111- third valve bodies mounting hole, 112- upper oil holes, 113-, the sides 114- oilhole, the first fuel taps of 115-,
The second fuel taps of 116-, 117- thirds fuel tap, the 4th fuel taps of 118-, 119- upper cover plates, 120- lower covers, 121- mother rib lateral rotundums cover board,
122- radial holes, 123- axial holes, 2- ratchet wheel bodies, the upper cylinders of 201-, 202- oil-through holes, 203- internal gears, the second grooves of 204-,
Cylindrical hole, 3- installation axles, 4- external gears, 5- key seats, 501- are big under 205- outer steps, 206- sealings concave ring, 207- ratchets, 208-
Circular hole, 502- pin holes, 503- bearings step, 6- rotation axis, 601- spindle noses, 7- sealing rings, 8- banking pins, 9- tripping springs, 10-
Cod, 11- waveform springs.
【Specific implementation mode】
- Figure 10 refering to fig. 1, a kind of reverse self-lock protection mechanism of the present invention, including damping body 1, ratchet wheel body 2, installation axle 3,
External gear 4, key seat 5, rotation axis 6, sealing ring 7, banking pin 8, tripping spring 9, cod 10 and waveform spring 11；The resistance
1 downside of Buddhist nun's body is connected with 2 front end of ratchet wheel body, and bulge loop 103 is matched with outer step 205, is sealed in concave ring 206 and is provided with sealing
7 are enclosed, is arranged in the installation axle 3 being arranged between the second groove 204 on the first groove 105 and ratchet wheel body 2 on the damping body 1
There are external gear 4, external gear 4 to be meshed with internal gear 203；501 one end of big hole in the key seat 5 is provided with bearing step
503,5 one end of key seat is provided with several pin holes 502, and pin hole 502 is evenly distributed on around the axial line of big hole 501 on key seat 5；
Cod 10 is provided in the bearing step 503 of the key seat 5, the spindle nose 601 of rotation axis 6 passes through big hole 501 and axial direction
10 inner ring of bearing, spindle nose 601 is synchronous with the rotation of big hole 501, and the pin hole 502 is provided with banking pin 8,8 lower end of banking pin
Tripping spring 9 is provided between 502 bottom surface of pin hole, 8 one end of banking pin is in contact with ratchet 207；The cod 10 with
It is provided with waveform spring 11 between lower 208 bottom surface of cylindrical hole；It is provided on the installation end cap 101 that 1 downside of the damping body is arranged
Mounting hole 102,101 downside of installation end cap are provided with bulge loop 103, the fluid flow cavity being arranged on 101 downside of installation end cap
104 bottoms are provided with the first groove 105；1 upper end of the damping body is provided with upper chamber 106 and the 4th valve body mounting hole 107, on
Be provided with third valve body mounting hole 111 on 106 bottom surface of chamber, third valve body mounting hole 111 with it is right in the 4th valve body mounting hole 107
It should be provided with third fuel tap 117 and the 4th fuel tap 118,1 lower end of damping body is provided with lower chambers 108 and the first valve body mounting hole
109,1 side of damping body is provided with the second valve body mounting hole 110, in the first valve body mounting hole 109 and the second valve body mounting hole 110
It is correspondingly arranged on the first fuel tap 115 and the second fuel tap 116；The fluid flow cavity 104 is with the 4th valve body mounting hole 107 by upper
Oilhole 112 is connected, and fluid flow cavity 104 is connected with the first valve body mounting hole 109 by lower oilhole 113, fluid flow cavity
104 are connected with the second valve body mounting hole 110 by side oilhole 114, the radial hole 122 on the second fuel tap 116 respectively with third
Valve body mounting hole 111 is connected with lower chambers 108 by oilhole, the axial hole 123 on the second fuel tap 116 and 114 phase of side oilhole
Connection, is connected between lower chambers 108 and the first valve body mounting hole 109 by oilhole, upper chamber 106 and the 4th valve body mounting hole
It is connected by oilhole between 107；Cylinder 201, outer step 205 and sealing concave ring are provided on 2 front end face of the ratchet wheel body
206, for sealing concave ring 206 between upper cylinder 201 and outer step 205,201 inside of upper cylinder is provided with internal gear 203, upper circle
Several oil-through holes 202 are provided on 201 external cylindrical surface of column, oil-through hole 202 is connected with 203 bottom of the tooth of internal gear, 203 bottom of internal gear
The second groove 204 is provided on face, 2 rear end of ratchet wheel body is provided with lower cylindrical hole 208, and ratchet wheel body is provided with spine on 2 rear end end face
Tooth 207；The axial line of the upper cylinder 201 and the axial line of the first groove 105 are misaligned, the axial line of the first groove 105 with
The axial line of second groove 204 coincides, and the axial line of the axial line and upper cylinder 201 of the second groove 204 is misaligned；The resistance
1 upper end of Buddhist nun's body is provided with upper cover plate 119, and 1 lower end of damping body is provided with lower cover 120, and 116 rear end of the second fuel tap is provided with side circle
Blind patch 121；First fuel tap 115 allows fluid flow direction to be that fluid flow cavity 104 flows to the first valve body mounting hole
109, the second fuel tap 116 allows fluid flow direction to be that lower chambers 108 and third valve body mounting hole 111 flow to fluid flow cavity
104, third fuel tap 117 allows fluid flow direction to be that upper chamber 106 flows to third valve body mounting hole 111, and the 4th fuel tap 118 is permitted
Perhaps fluid flow direction is that fluid flow cavity 104 flows to the 4th valve body mounting hole 107.
The course of work of the present invention：
During the work time, when rotation axis 6 rotates, rotation axis 6 drives pin to a kind of reverse self-lock protection mechanism of the present invention
Seat 5 rotates, and banking pin 8 slides on the ratchet 207 of ratchet wheel body 2, while there are certain relative rotations for ratchet wheel body 2, oily at this time
Liquid passes sequentially through fluid flow cavity 104, the 4th valve body mounting hole 107, upper chamber 106, third valve body mounting hole 111 and the second valve
Body mounting hole finally flows back to fluid flow cavity 104, forms a cycle so that 6 smooth rotation of rotation axis, when rotation axis 6 stops
When, there are the recoil strength of a transient state, key seat 5 to invert in rotation axis 6, and banking pin 8 is stuck on the ratchet 207 of ratchet wheel body 2 so that
Ratchet wheel body 2 inverts, at this point, fluid is constantly constantly flowed to fluid by internal gear 203 and external gear 4 from fluid flow cavity 104
First valve body mounting hole, then flows to lower chambers 108, in lower chambers 108 and the constantly accumulation fluid of fluid flow cavity 104, thus
Damping is generated, internal gear 203 and external gear 4 is prevented to rotate, to generate flexible braking, protection associated mechanical portion to rotation axis 6
Part.
The present invention can effectively be absorbed anti-by will be provided with ratchet inversion structures and hydraulic reverse turning-proof structure in the present apparatus
Recoil strength caused by turning；First fuel tap 115, the second fuel tap 116, third fuel tap 117 and the 4th fuel tap 118 allow fluid flowing side
To for one direction, rotation axis 6 can be effectively increased reversion damping in reversion, and when 6 main story of rotation axis, fluid forms flowing and follows
Ring does not influence its normal operation；It is provided with waveform spring 11 and sealing ring 7,2 end face of ratchet wheel body can tightly be withstood on damping body
1 downside can be effectively ensured the fluid inside fluid flow cavity 104 and not leak；The configuration of the present invention is simple, it is easy for installation,
Anti-reverse effect is good, can be widely popularized and be applied.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of reverse self-lock protection mechanism, it is characterised in that：Including damping body (1), ratchet wheel body (2), rotation axis (3), external tooth
Take turns (4), key seat (5), rotation axis (6), sealing ring (7), banking pin (8), tripping spring (9), cod (10) and waveform bullet
Spring (11)；It is connected with ratchet wheel body (2) front end on the downside of the damping body (1), bulge loop (103) is matched with outer step (205), close
It is provided with sealing ring (7) in envelope concave ring (206), the first groove (105) on the damping body (1) and the on ratchet wheel body (2)
External gear (4) is provided in the rotation axis (3) being arranged between two grooves (204), external gear (4) is meshed with internal gear (203)；
Big hole (501) one end in the key seat (5) is provided with bearing step (503), and key seat (5) one end is provided with several pin holes
(502), pin hole (502) is evenly distributed on around the axial line of big hole (501) on key seat (5)；The pedestal of the key seat (5)
Cod (10) is provided in rank (503), the spindle nose (601) of rotation axis (6) passes through big hole (501) and cod (10)
Inner ring, spindle nose (601) is synchronous with the rotation of big hole (501), and the pin hole (502) is provided with banking pin (8), banking pin (8)
Tripping spring (9) is provided between lower end and pin hole (502) bottom surface, banking pin (8) one end is in contact with ratchet (207)；It is described
It is provided with waveform spring (11) between cod (10) and lower cylindrical hole (208) bottom surface.
2. a kind of reverse self-lock protection mechanism as described in claim 1, it is characterised in that：Setting on the downside of the damping body (1)
Installation end cap (101) on be provided with mounting hole (102), installation end cap (101) downside is provided with bulge loop (103), installation end
Fluid flow cavity (104) bottom being arranged on lid (101) downside is provided with the first groove (105)；Damping body (1) upper end
It is provided with upper chamber (106) and the 4th valve body mounting hole (107), third valve body mounting hole is provided on upper chamber (106) bottom surface
(111), it is correspondingly arranged on third fuel tap (117) and the 4th in third valve body mounting hole (111) and the 4th valve body mounting hole (107)
Fuel tap (118), damping body (1) lower end are provided with lower chambers (108) and the first valve body mounting hole (109), and damping body (1) side is set
It is equipped with the second valve body mounting hole (110), is correspondingly arranged in the first valve body mounting hole (109) and the second valve body mounting hole (110)
First fuel tap (115) and the second fuel tap (116)；The fluid flow cavity (104) is with the 4th valve body mounting hole (107) by oiling
Hole (112) is connected, and fluid flow cavity (104) is connected with the first valve body mounting hole (109) by lower oilhole (113), fluid
Flow cavity (104) is connected with the second valve body mounting hole (110) by side oilhole (114), the radial hole on the second fuel tap (116)
(122) it is connected respectively by oilhole with third valve body mounting hole (111) and lower chambers (108), the axis on the second fuel tap (116)
It is connected to hole (123) with side oilhole (114), is connected by oilhole between lower chambers (108) and the first valve body mounting hole (109)
It is logical, it is connected by oilhole between upper chamber (106) and the 4th valve body mounting hole (107).
3. a kind of reverse self-lock protection mechanism as described in claim 1, it is characterised in that：On ratchet wheel body (2) front end face
Be provided with cylinder (201), outer step (205) and sealing concave ring (206), sealing concave ring (206) be located at upper cylinder (201) and outside
Between step (205), it is provided with internal gear (203) on the inside of upper cylinder (201), upper cylinder (201) on external cylindrical surface if be provided with
Dry oil-through hole (202), oil-through hole (202) are connected with internal gear (203) bottom of the tooth, and second is provided on internal gear (203) bottom surface
Groove (204), ratchet wheel body (2) rear end are provided with lower cylindrical hole (208), ratchet are provided on ratchet wheel body (2) rear end end face
(207)。
4. a kind of reverse self-lock protection mechanism as claimed in claim 3, it is characterised in that：The axle center of the upper cylinder (201)
Line and the axial line of the first groove (105) are misaligned, the axial line of the axial line and the second groove (204) of the first groove (105)
It coincides, the axial line of the axial line and upper cylinder (201) of the second groove (204) is misaligned.
5. a kind of reverse self-lock protection mechanism as claimed in claim 2, it is characterised in that：Damping body (1) the upper end setting
There are upper cover plate (119), damping body (1) lower end to be provided with lower cover (120), the second fuel tap (116) rear end is provided with mother rib lateral rotundum lid
Plate (121).
6. a kind of reverse self-lock protection mechanism as claimed in claim 2, it is characterised in that：First fuel tap (115) allows
Fluid flow direction is that fluid flow cavity (104) flows to the first valve body mounting hole (109), and the second fuel tap (116) allows fluid stream
Dynamic direction is lower chambers (108) and third valve body mounting hole (111) flows to fluid flow cavity (104), and third fuel tap (117) allows
Fluid flow direction is that upper chamber (106) flows to third valve body mounting hole (111), and the 4th fuel tap (118) allows fluid flowing side
The 4th valve body mounting hole (107) is flowed to for fluid flow cavity (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994461.4A CN106499677B (en) | 2016-11-11 | 2016-11-11 | A kind of reverse self-lock protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994461.4A CN106499677B (en) | 2016-11-11 | 2016-11-11 | A kind of reverse self-lock protection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499677A CN106499677A (en) | 2017-03-15 |
| CN106499677B true CN106499677B (en) | 2018-10-12 |
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ID=58324359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610994461.4A Active CN106499677B (en) | 2016-11-11 | 2016-11-11 | A kind of reverse self-lock protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106499677B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594388B (en) * | 2019-08-22 | 2024-05-10 | 锐奇控股股份有限公司 | Error triggering prevention device for main shaft self-locking mechanism of electric tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799692A (en) * | 1972-09-22 | 1974-03-26 | Carrier Corp | Anti-reverse rotation structure for rotary gas compressors |
| CN2525286Y (en) * | 2001-11-21 | 2002-12-11 | 山西天海泵业有限公司 | Automatic anti-turn back device for submersible pump |
| CN102022369A (en) * | 2009-09-16 | 2011-04-20 | 邵阳市三良泵业有限公司 | Anti-reversing structure for pump |
| CN202602460U (en) * | 2012-05-24 | 2012-12-12 | 常州乐士雷利电机有限公司 | Motor non-return mechanism |
| CN202628511U (en) * | 2012-06-16 | 2012-12-26 | 中国石油天然气集团公司 | Double-inversion-prevention screw pump driving device |
| CN206274038U (en) * | 2016-11-11 | 2017-06-23 | 艾迪机器(杭州)有限公司 | A kind of reverse self-lock protection mechanism |
-
2016
- 2016-11-11 CN CN201610994461.4A patent/CN106499677B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106499677A (en) | 2017-03-15 |
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