CN106499677A - A kind of reverse self-lock protection mechanism - Google Patents
A kind of reverse self-lock protection mechanism Download PDFInfo
- Publication number
- CN106499677A CN106499677A CN201610994461.4A CN201610994461A CN106499677A CN 106499677 A CN106499677 A CN 106499677A CN 201610994461 A CN201610994461 A CN 201610994461A CN 106499677 A CN106499677 A CN 106499677A
- Authority
- CN
- China
- Prior art keywords
- valve body
- hole
- installing hole
- body installing
- fuel tap
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of reverse self-lock protection mechanism, including damping body, ratchet wheel body, installation axle, external gear, key seat, rotary shaft, sealing ring, banking pin, tripping spring, cod and wavy spring；Be connected with ratchet wheel body front end on the downside of damping body, sealing ring is provided with sealing scrobicular ring, is provided with external gear in the installation axle for arranging between the second groove on the first groove and ratchet wheel body on damping body；Big hole one end in the key seat is provided with bearing step, and key seat one end is provided with some pin-and-holes；Cod is provided with the bearing step of key seat, and the spindle nose of rotary shaft is provided with tripping spring through big hole between banking pin lower end and pin-and-hole bottom surface；Wavy spring is provided between cod and lower cylindrical hole bottom surface；The present invention can effectively absorb the recoil strength that reversion causes by will be provided with ratchet inversion structures and hydraulic reverse turning-proof structure on device；Present configuration is simple, and 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 field of transient state damping, particularly transient state damp the technical field of inversion structures.
【Background technology】
In engineering goods, the use range of pump is quite varied, is shut down in pump suddenly, due to inlet and outlet pressure difference effect,
Cause rotor or impeller to reverse, cause rotor or the nut loosening of tightening of impeller to come off, severe patient causes rotor or impeller
Damage.Meanwhile, reversion causes pipeline water hammer, causes system shock, causes motor and device damage, causes mechanical seal to damage.
Unilateral bearing is adopted at this stage generally, this kind of structure is applied under low pressure operating mode, anti-reverse in high voltage transient operating mode, due to moment
Impulsive force is lifted, and easily causes unilateral bearing to fail, and being badly in need of one kind for this being capable of moment anti-reverse-rotation structure.Inverting for moment
Under operating mode, can be with the damping mechanism of soft impact absorbing instant impact while being prevented from inverting.
【Content of the invention】
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 reversion produced by is effectively absorbed, and effective protection mechanical part is without damage, and simple structure is easy for installation.
For achieving the above object, the present invention proposes a kind of reverse self-lock protection mechanism, including damping body, ratchet wheel body, peace
Dress axle, external gear, key seat, rotary shaft, sealing ring, banking pin, tripping spring, cod and wavy spring；The damping body
Downside is connected with ratchet wheel body front end, and bulge loop is engaged with outer step, is provided with sealing ring, on the damping body in sealing scrobicular ring
The first groove and ratchet wheel body on the second groove between arrange installation axle on be provided with external gear, external gear and internal gear phase
Engagement；Big hole one end in the key seat is provided with bearing step, and key seat one end is provided with some pin-and-holes, and pin-and-hole is around great circle
The axial line in hole is evenly distributed on key seat；Cod is provided with the bearing step of the key seat, and the spindle nose of rotary shaft is worn
Big hole and cod inner ring is crossed, spindle nose is synchronous with the rotation of big hole, the pin-and-hole is provided with banking pin, banking pin lower end
Tripping spring is provided between pin-and-hole bottom surface, and banking pin one end is contacted with ratchet；The cod and lower cylindrical hole bottom
Wavy spring is provided between face.
Preferably, installing hole is provided with the installation end lid arranged on the downside of the damping body, end cap downside is installed and is set
Bulge loop is equipped with, the fluid flow cavity bottom for arranging is installed is provided with the first groove on end cap downside；The damping body upper end sets
Be equipped with upper chamber and the 4th valve body installing hole, on upper chamber bottom surface, be provided with the 3rd valve body installing hole, the 3rd valve body installing hole with
The 3rd fuel tap and the 4th fuel tap is correspondingly arranged in 4th valve body installing hole, and damping body lower end is provided with lower chambers and the first valve body
Installing hole, damping body side surface are provided with the second valve body installing hole, and the first valve body installing hole is corresponding with the second valve body installing hole to be set
It is equipped with the first fuel tap and the second fuel tap；The fluid flow cavity is connected by upper oil hole with the 4th valve body installing hole, fluid stream
Dynamic chamber is connected by lower oilhole with the first valve body installing hole, and fluid flow cavity is connected by side oilhole with the second valve body installing hole
Connect, the radial hole on the second fuel tap is connected by oilhole with the 3rd valve body installing hole and lower chambers 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 installing hole, upper chamber and the 4th valve
It is connected by oilhole between body installing hole.
Preferably, being provided with cylinder, outer step and sealing scrobicular ring on the ratchet wheel body front end face, sealing scrobicular ring is located at
Between upper cylinder and outer step, on the inside of upper cylinder, internal gear is provided with, on upper cylinder external cylindrical surface, is provided with some oil-through holes, mistake
Oilhole is connected with internal gear teeth bottom, is provided with the second groove on internal gear bottom surface, and ratchet wheel body rear end is provided with lower cylindrical hole, spine
Ratchet is provided with the end face of wheel body rear end.
Preferably, the axial line of first groove is coincided with the axial line of the second groove, the axle center of the first groove
Line is misaligned with the axis line of upper cylinder, and the axial line of the second groove is misaligned with the axis line of upper cylinder.
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 plate.
Preferably, first fuel tap allows fluid flow direction to flow to the first valve body installing hole for fluid flow cavity,
It is that lower chambers and the 3rd valve body installing hole flow to fluid flow cavity that second fuel tap allows fluid flow direction, and the 3rd fuel tap allows oil
Liquid flow direction flows to the 3rd valve body installing hole for upper chamber, and the 4th fuel tap allows fluid flow direction to flow to for fluid flow cavity
4th valve body installing 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 on this device
Structure, can effectively absorb the recoil strength that reversion causes；First fuel tap, the second fuel tap, the 3rd fuel tap and the 4th fuel tap allow fluid
Flow direction is one direction, and rotary shaft can be effectively increased reversion damping in reversion, and during rotary shaft main story, fluid is formed and flowed
Dynamic circulation, does not affect which normally to run；Wavy spring and sealing ring is provided with, ratchet wheel body end face damping body tightly can be withstood on
Downside, the fluid inside fluid flow cavity can be effectively ensured and leak；Present configuration is simple, easy for installation, counnter attack
Turn effect good, can be widely popularized and be applied.
The feature and advantage of the present invention will combine accompanying drawing by embodiment and be described in detail.
【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 profile 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 representation 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- install end cap, 102- installing holes, 103- bulge loops, 104- fluid flow cavities, 105- the
One groove, 106- upper chamber, the 4th valve body installing holes of 107-, 108- lower chambers, 109- the first valve body installing holes, the second valves of 110-
Oilhole under body installing hole, the 3rd valve body installing holes of 111-, 112- upper oil holes, 113-, 114- sides oilhole, the first fuel taps of 115-,
The second fuel taps of 116-, the 3rd fuel taps of 117-, the 4th fuel taps of 118-, 119- upper cover plates, 120- lower covers, 121- mother rib lateral rotundum cover plates,
122- radial holes, 123- axial hole, 2- ratchet wheel bodies, the upper cylinders of 201-, 202- oil-through holes, 203- internal gears, the second grooves of 204-,
Under 205- outer steps, 206- sealing scrobicular rings, 207- ratchets, 208-, cylindrical hole, 3- installation axles, 4- external gears, 5- key seats, 501- are big
Circular hole, 502- pin-and-holes, 503- bearing steps, 6- rotary shafts, 601- spindle noses, 7- sealing rings, 8- banking pins, 9- tripping springs, 10-
Cod, 11- wavy springs.
【Specific embodiment】
Refer to Fig. 1-Figure 10, 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, rotary shaft 6, sealing ring 7, banking pin 8, tripping spring 9, cod 10 and wavy spring 11；The resistance
It is connected with 2 front end of ratchet wheel body on the downside of Buddhist nun's body 1, bulge loop 103 is engaged with outer step 205, in sealing scrobicular ring 206, is provided with sealing
Circle 7, is arranged in the installation axle 3 for arranging 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 some pin-and-holes 502, and pin-and-hole 502 is evenly distributed on key seat 5 around the axial line of big hole 501；
Cod 10 is provided with the bearing step 503 of the key seat 5, and the spindle nose 601 of rotary shaft 6 is through big hole 501 and axial direction
10 inner ring of bearing, spindle nose 601 are synchronous with the rotation of big hole 501, and the pin-and-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-and-hole, and 8 one end of banking pin is contacted with ratchet 207；The cod 10 with
Wavy spring 11 is provided between lower 208 bottom surface of cylindrical hole；It is provided with the installation end cap 101 arranged on the downside of the damping body 1
Installing hole 102, installs 101 downside of end cap and is provided with bulge loop 103, install the fluid flow cavity arranged on 101 downside of 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 installing hole 107, on
The 3rd valve body installing hole 111 is provided with 106 bottom surface of chamber, and the 3rd valve body installing hole 111 is right with the 4th valve body installing hole 107
The 3rd fuel tap 117 and the 4th fuel tap 118 should be provided with, 1 lower end of damping body is provided with lower chambers 108 and the first valve body installing hole
109,1 side of damping body is provided with the second valve body installing hole 110, in the first valve body installing hole 109 and the second valve body installing 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 installing hole 107 by upper
Oilhole 112 is connected, and fluid flow cavity 104 is connected by lower oilhole 113 with the first valve body installing hole 109, fluid flow cavity
104 are connected by side oilhole 114 with the second valve body installing hole 110, and the radial hole 122 on the second fuel tap 116 is respectively with the 3rd
Valve body installing hole 111 is connected by oilhole with lower chambers 108, the axial hole 123 on the second fuel tap 116 and 114 phase of side oilhole
Connection, is connected by oilhole between lower chambers 108 and the first valve body installing hole 109, upper chamber 106 and the 4th valve body installing hole
It is connected by oilhole between 107；Cylinder 201, outer step 205 and sealing scrobicular ring is provided with 2 front end face of the ratchet wheel body
206, sealing scrobicular ring 206 is located between upper cylinder 201 and outer step 205, is provided with internal gear 203, upper circle on the inside of upper cylinder 201
Some oil-through holes 202 are provided with 201 external cylindrical surface of post, and 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 with face, and 2 rear end of ratchet wheel body is provided with lower cylindrical hole 208, is provided with spine on 2 rear end end face of ratchet wheel body
Tooth 207；The axial line of first groove 105 is coincided with the axial line of the second groove 204, the axial line of the first groove 105
Misaligned with the axis line of upper cylinder 201, the axial line of the second groove 204 is misaligned with the axis line of upper cylinder 201；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 flow to the first valve body installing hole for fluid flow cavity 104
109, it is that lower chambers 108 and the 3rd valve body installing hole 111 flow to fluid flow cavity that the second fuel tap 116 allows fluid flow direction
104, the 3rd fuel tap 117 allows fluid flow direction to flow to the 3rd valve body installing hole 111 for upper chamber 106, and the 4th fuel tap 118 is permitted
Perhaps fluid flow direction flows to the 4th valve body installing hole 107 for fluid flow cavity 104.
The course of work of the present invention：
In the course of the work, when rotary shaft 6 is rotated, rotary shaft 6 drives pin to a kind of reverse self-lock protection mechanism of the present invention
Seat 5 is rotated, and banking pin 8 slides on the ratchet 207 of ratchet wheel body 2, while there is certain relative rotation in ratchet wheel body 2, now oily
Liquid passes sequentially through fluid flow cavity 104, the 4th valve body installing hole 107, upper chamber 106, the 3rd valve body installing hole 111 and the second valve
Body installing hole, finally flows back to fluid flow cavity 104, forms a circulation so that 6 smooth rotation of rotary shaft, when rotary shaft 6 stops
When, there is the recoil strength of a transient state in rotary shaft 6, key seat 5 is inverted, and banking pin 8 is stuck on the ratchet 207 of ratchet wheel body 2 so that
Ratchet wheel body 2 is inverted, and now, fluid is constantly constantly flowed to from fluid flow cavity 104 by fluid by internal gear 203 and external gear 4
First valve body installing hole, then flows to lower chambers 108, in 104 continuous accumulation fluid of lower chambers 108 and fluid flow cavity, so as to
Damping is produced, prevents internal gear 203 and external gear 4 from rotating, so as to flexible braking, protection associated mechanical portion is produced to rotary shaft 6
Part.
The present invention effectively can be absorbed anti-by will be provided with ratchet inversion structures and hydraulic reverse turning-proof structure on this device
The recoil strength that has quoted；First fuel tap 115, the second fuel tap 116, the 3rd fuel tap 117 and the 4th fuel tap 118 allow fluid flowing side
To for one direction, rotary shaft 6 can be effectively increased reversion damping in reversion, and during 6 main story of rotary shaft, fluid forms flowing and follows
Ring, does not affect which normally to run；Wavy spring 11 and sealing ring 7 is provided with, 2 end face of ratchet wheel body damping body tightly can be withstood on
1 downside, can be effectively ensured the fluid inside fluid flow cavity 104 and not leak；Present configuration is simple, 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, any to simple transformation of the present invention after
Scheme belong to protection scope 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), rotary shaft (3), external tooth
Wheel (4), key seat (5), rotary shaft (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 damping body (1), bulge loop (103) is engaged with outer step (205), close
Sealing ring (7) is provided with envelope scrobicular ring (206), the on the first groove (105) on damping body (1) and ratchet wheel body (2)
External gear (4) is provided with the rotary shaft (3) arranged between two grooves (204), external gear (4) is meshed with internal gear (203)；
Big hole (501) one end in key seat (5) is provided with bearing step (503), and key seat (5) one end is provided with some pin-and-holes
(502), pin-and-hole (502) is evenly distributed on key seat (5) around the axial line of big hole (501)；The pedestal of key seat (5)
Cod (10) is provided with rank (503), and the spindle nose (601) of rotary shaft (6) is through big hole (501) and cod (10)
Inner ring, spindle nose (601) are synchronous with the rotation of big hole (501), and pin-and-hole (502) are provided with banking pin (8), banking pin (8)
Tripping spring (9) is provided between lower end and pin-and-hole (502) bottom surface, and banking pin (8) one end is contacted with ratchet (207)；Described
Wavy spring (11) is provided between cod (10) and lower cylindrical hole (208) bottom surface.
2. a kind of reverse self-lock protection mechanism as claimed in claim 1, it is characterised in that：Arrange on the downside of damping body (1)
Installation end cap (101) on be provided with installing hole (102), end cap (101) downside is installed and is provided with bulge loop (103), installation end
Fluid flow cavity (104) bottom arranged on lid (101) downside is provided with the first groove (105)；Damping body (1) upper end
Upper chamber (106) and the 4th valve body installing hole (107) is provided with, on upper chamber (106) bottom surface, the 3rd valve body installing hole is provided with
(111), the 3rd fuel tap (117) and the 4th is correspondingly arranged in the 3rd valve body installing hole (111) and the 4th valve body installing hole (107)
Fuel tap (118), damping body (1) lower end are provided with lower chambers (108) and the first valve body installing hole (109), and damping body (1) side sets
The second valve body installing hole (110) is equipped with, is correspondingly arranged in the first valve body installing hole (109) and the second valve body installing hole (110)
First fuel tap (115) and the second fuel tap (116)；Fluid flow cavity (104) are with the 4th valve body installing hole (107) by oiling
Hole (112) is connected, and fluid flow cavity (104) is connected by lower oilhole (113) with the first valve body installing hole (109), fluid
Flow cavity (104) is connected by side oilhole (114) with the second valve body installing hole (110), the radial hole on the second fuel tap (116)
(122) it is connected by oilhole with the 3rd valve body installing hole (111) and lower chambers (108) respectively, the axle on the second fuel tap (116)
It is connected with side oilhole (114) to hole (123), is connected by oilhole between lower chambers (108) and the first valve body installing hole (109)
Logical, it is connected by oilhole between upper chamber (106) and the 4th valve body installing hole (107).
3. a kind of reverse self-lock protection mechanism as claimed in claim 1, it is characterised in that：On ratchet wheel body (2) front end face
Cylinder (201), outer step (205) and sealing scrobicular ring (206) is provided with, sealing scrobicular ring (206) is positioned at upper cylinder (201) and outward
Between step (205), internal gear (203) on the inside of upper cylinder (201), is provided with, upper cylinder (201) are if be provided with external cylindrical surface
Dry oil-through hole (202), oil-through hole (202) are connected with internal gear (203) bottom of the tooth, are provided with second on internal gear (203) bottom surface
Groove (204), ratchet wheel body (2) rear end are provided with lower cylindrical hole (208), are provided with ratchet on the end face of ratchet wheel body (2) rear end
(207).
4. a kind of reverse self-lock protection mechanism as claimed in claim 2, it is characterised in that：The axle of the first groove (105)
Heart line is coincided with the axial line of the second groove (204), the axis line of the axial line of the first groove (105) and upper cylinder (201)
Misaligned, the axial line of the second groove (204) is misaligned with the axis line of upper cylinder (201).
5. a kind of reverse self-lock protection mechanism as claimed in claim 2, it is characterised in that：Damping body (1) upper end is arranged
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：Described first fuel tap (115) allow
Fluid flow direction flows to the first valve body installing hole (109) for fluid flow cavity (104), and the second fuel tap (116) allows fluid stream
Dynamic direction is that lower chambers (108) and the 3rd valve body installing hole (111) flow to fluid flow cavity (104), and the 3rd fuel tap (117) is allowed
Fluid flow direction flows to the 3rd valve body installing hole (111) for upper chamber (106), and the 4th fuel tap (118) allows fluid flowing side
The 4th valve body installing 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 true CN106499677A (en) | 2017-03-15 |
| CN106499677B CN106499677B (en) | 2018-10-12 |
Family
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031323A1 (en) * | 2019-08-22 | 2021-02-25 | 锐奇控股股份有限公司 | Device for preventing false triggering of self-locking mechanism of spindle of electric tool |
Citations (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
Patent Citations (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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031323A1 (en) * | 2019-08-22 | 2021-02-25 | 锐奇控股股份有限公司 | Device for preventing false triggering of self-locking mechanism of spindle of electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499677B (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120177520A1 (en) | Reversible gerotor pump | |
| JP2013053750A (en) | Torque converter clutch with low back pressure | |
| CN105570186A (en) | Single-stage centrifugal pump capable of achieving self balance of axial force | |
| CN102996749B (en) | Effective cooling system for limited slip differential assembly | |
| CN106499677A (en) | A kind of reverse self-lock protection mechanism | |
| CN206274038U (en) | A kind of reverse self-lock protection mechanism | |
| CN103534485A (en) | Fluid device with pressurized roll pockets | |
| CN101144525A (en) | Compact hydraulic motor gear reducer | |
| JP2013522568A (en) | Hydraulic joint with improved hydraulic porting channel structure | |
| CN206571619U (en) | A kind of axle valve flow distribution cycloid hydraulic motor | |
| CN206361045U (en) | A kind of clutch is with sealing ring and gearbox clutch | |
| CN206274029U (en) | A kind of elastomer lobed rotor pump damps anti-reverse-rotation structure with transient state | |
| CN206694182U (en) | A kind of body shell positions radial support axle valve flow distribution cycloid hydraulic motor | |
| CN104088838B (en) | A kind of hydraulic control unscrewing type one-way valve | |
| CN206144782U (en) | Hydraulic pressure impeller pump shutdown protection structure | |
| CN206190516U (en) | Transient state damping inversion -preventing structure of rotopiston pump | |
| CN105604780B (en) | A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole | |
| CN206190517U (en) | External gear pump's damping braking structure | |
| CN106401864B (en) | A kind of shell turns cycloid hydraulic motor | |
| CN107489611B (en) | Small impact gear type oil pump | |
| CN106499626B (en) | A kind of elastomer lobed rotor pump damps anti-reverse-rotation structure with transient state | |
| CN207879927U (en) | A kind of hydraulic brake system | |
| CN206190513U (en) | On -vehicle reverse rotation protection device of automobile -used two effect vanes pumps that unloads | |
| CN206158917U (en) | Shell changes cycloid hydraulic motor | |
| CN204267212U (en) | A kind of axle distributing cycloid hydraulic motor compound oil through |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |