CN202400043U - Instant speed reducer - Google Patents
Instant speed reducer Download PDFInfo
- Publication number
- CN202400043U CN202400043U CN2012200024445U CN201220002444U CN202400043U CN 202400043 U CN202400043 U CN 202400043U CN 2012200024445 U CN2012200024445 U CN 2012200024445U CN 201220002444 U CN201220002444 U CN 201220002444U CN 202400043 U CN202400043 U CN 202400043U
- Authority
- CN
- China
- Prior art keywords
- connection seat
- stressed member
- speed reduction
- reduction gearing
- sliding part
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses an instant speed reducer, in order to solve the problems that the conventional speed reduction protection mechanism is complex in structure, and relevant components are easy to be damaged when a protection role is played for the protected products. The adopted technical scheme is that the instant speed reducer comprises a connection seat and a stressed part; the connection seat is provided with a cylindrical part; and the stressed part is inserted into the cylindrical part in a clearance mode. The instant speed reducer is characterized in that a speed reduction structure is arranged between the stressed part and the connection seat; the speed reduction structure comprises an elastic part and a sliding part which are arranged in the connection seat and butt against each other; the elastic part is positioned on the outer side of the sliding part; the sliding part protrudes to the inner side of the cylindrical part on the connection seat; the stressed part is provided with an oblique surface or an arc surface which is in contact with the sliding part; and under the effect of the oblique surface or the arc surface, the sliding part can move towards the direction of the elastic part. The speed reducer can be applied to the field of automobiles.
Description
Technical field
The utility model relates to a kind of speed reduction gearing, relates in particular to a kind of moment speed reduction gearing that can subdue suffered impulsive force moment after stressed.
Background technology
In the application of reality, moment speed reduction gearing may be used on a lot of occasions so that the suffered impulsive force of object is subdued.At automotive field, for guaranteeing traveling security, in the front deck of automobile, be necessary to be provided with the impact slowing-down structure, suffered impulsive force to subdue that automobile runs into emergency case in the high-speed travel process and when bumping.Otherwise under the collision serious situation, huge impact power can cause damage to automotive engine, and brings injury to driver and crew.
The impact protection apparatus of existing application in automotive field is a lot; Like Chinese utility model patent (publication number: CN201633678U) just disclose a kind of auto against energy absorption device, comprised the energy-absorbing beam, front cross rail and machinery space longeron; Said energy-absorbing beam is pre-small post-large wedge structure; The energy-absorbing beam is provided with upper plate and lower plate, and upper plate is provided with loss of weight crumple hole and last crumple muscle, and lower plate is provided with down the crumple muscle.Through crumple distortion most of energy that absorbing impact produced.In short distance, reach even energy-absorbing effect, guaranteeing has enough living spaces in the crew module, plays the effect of protection occupant safety, and in light weight, simple in structure, cost is low.
The complex structure of this auto against energy absorption device; Suffered impulsive force in the time of can not effectively being dispersed in auto against is subject to the space in the automobile front chamber, and the impact energy that is absorbed is limited; Under the bigger situation of impulsive force; After the energy-absorbing beam generation limit was destroyed, impulsive force can further cause the damage of automotive engine, and makes driver and crew receive more serious damage.
Summary of the invention
For overcoming above-mentioned defective, the utility model technical issues that need to address: provide a kind of moment speed reduction gearing, it can subdue the suffered impulsive force of object fast, effectively reduces the suffered concussion damage of some parts.
For solveing the technical problem the technical scheme of the utility model: a kind of moment speed reduction gearing, comprise connection seat and stressed member; Have columnar part on the connection seat, described stressed member is plugged in this cylindrical shape part with gap, it is characterized in that; Be provided with slowing-down structure between stressed member and the connection seat, slowing-down structure comprises and is arranged on elastic component and the sliding part that is abutted against each other together in the connection seat that elastic component is positioned at the outside of sliding part; Sliding part is projected into the inboard of cylindrical shape part on the connection seat; On stressed member, be provided with and be used for and contacted inclined-plane of sliding part or cambered surface, under the effect of inclined-plane or cambered surface, sliding part can be towards the direction motion of elastic component.This speed reduction gearing in use be usually be positioned to protect object to be vulnerable to the outside of impact site; Connection seat on it can be directly to be assemblied on the object; Also can be and claimed object between have at interval, connection seat through with other connecting of connector realize fixing.Slowing-down structure decomposes the axially loaded of stressed member, resolves into axial component and radial component to the suffered axial force of this stressed member, and this axial component is able to subdue, and radial component can not affact on the protected object.
The slip of sliding part is caused by the elastic force that described radial component overcomes elastic component; Utilize inclined-plane or cambered surface to produce and promote the radial component that sliding part slides; Simple in structure, sliding part also is to subdue axial force suffered on the stressed member in the process of sliding.The axially loaded of realizing stressed member is able to resolve into described component, also can in connection seat, be provided for the lever construction with the stressed member effect, and this lever construction is delivered to the part of the axially loaded of stressed member on the target direction.
As preferably, said elastic component and sliding part are several, and they are arranged in the connection seat along the circumferential annular of stressed member.The arrangement of stressed member in connection seat; Can effectively improve the subdue effect of this speed reduction gearing to the suffered axial force of stressed member; Reduce the axial motion stroke of stressed member; Be convenient to the miniaturization of this slowing-down structure, convenient with to protect the assembling of object to cooperate, and the good stability the during longitudinal travel of stressed member after stressed.
As preferably, said slowing-down structure is a plurality of, and they axially are set up in parallel along stressed member.This can effectively improve the subdue amplitude of this speed reduction gearing to the suffered axial force of stressed member, can carry out multistage subduing to the suffered axial force of stressed member, can effectively improve the Applicable scope of this speed reduction gearing.
As preferably, said elastic component is a little spring, and sliding part is a steel ball, in the wall body of connection seat, is provided with some accommodation holes, is provided with a little spring and a steel ball in the accommodation hole.Little spring that is abutted together and steel ball are set in the described accommodation hole, structural compactness is good, is convenient to processing.
As preferably, be fixed with slide plate on the said stressed member, described inclined-plane or cambered surface are formed on the outer rim place of skateboard-axis to two ends.Realize the slip of steel ball through the promotion of inclined-plane or cambered surface, simple in structure, be convenient to realize, and be convenient to oppositely resetting of stressed member.
As preferably, said slide plate is a plurality of, and their coaxial superimposed and sockets are fixed on the shaft-like stressed member.Slide plate is a plurality of, has improved the subdue amplitude of this speed reduction gearing to the suffered axial force of stressed member, can safe protection be provided for claimed product.
As preferably, in connection seat, the interval between adjacent two annulars equals the thickness of a slide plate to these accommodation holes, and these annular numbers will be more than the number of slide plate with the arranged in form of a plurality of annulars.Steel ball in a plurality of annulars can be subdued the axially loaded of stressed member is multistage through slide plate, further improved the subdue amplitude of this speed reduction gearing to the stressed member axially loaded, and stressed member can remain in the connection seat stably also.When design; The maximum that can preestablish stressed member slides impulsive force; This maximum slides impulsive force and should be in the protected object body is belonged in the safe scope, and when the impulsive force of reality surpassed this maximum and slides impulsive force, stressed member slided an annular space vertically; The sliding part of this speed reduction gearing middle and lower reaches continues the axially loaded of stressed member is subdued, thereby reaches the purpose that the axially loaded of stressed member is subdued step by step.
As preferably, said accommodation hole runs through the wall body of connection seat, and the interior oral area of accommodation hole is less than the diameter of steel ball, and steel ball is arranged in the accommodation hole with gap; The outer port part of the accommodation hole bolt of rear end plate that has been threaded, the little spring roof pressure is at the inner end of bolt of rear end plate.Bolt of rear end plate is threaded with the outer port part of accommodation hole, can adjust the precompressed compression of steel ball little spring through the adjustment bolt of rear end plate, can change the subdue value of stressed member unit's longitudinal travel to axially loaded.
As preferably, be provided with two ends in the outside of connection seat and act on the big spring on stressed member and the connection seat respectively, big spring is socketed on the shaft-like stressed member.Big spring can participate on the one hand also can being convenient to resetting of stressed member for resetting of stressed member provides power-assisted to the subduing of stressed member axially loaded.
Therefore; The beneficial effect of the utility model: described slowing-down structure can resolve into axial component and radial component to the suffered axially loaded of stressed member; Can make that the axially loaded of stressed member is able to well subdue through the design of slowing-down structure, thereby can safe protection be provided for the claimed product of this speed reduction gearing.Because the axially loaded of stressed member has part to be broken down into radial component; The direction of this component is able to confirm; Elastic component can be set so that this component is absorbed on the direction of this radial component; Protected object need be not that cost obtains safety to destroy associated components, and this speed reduction gearing can effectively reduce operating cost.This speed reduction gearing can be repeatedly used.
Description of drawings
Accompanying drawing 1 is the longitudinal sectional view of the utility model moment speed reduction gearing.
Accompanying drawing 2 is longitudinal sectional views of connection seat.
Accompanying drawing 3 is stressed member and slide plate structural representations when being assembled together.
Accompanying drawing 4 is structural representations of stressed member.
The specific embodiment
The structure of the utility model moment speed reduction gearing comprises connection seat 5 and stressed member 3; Has the cylindrical shape part on the connection seat 5; Have cylindrical cavity 11 in this cylindrical shape part, the wall body of connection seat 5 is annular arrangement, and stressed member 3 is cylindrical; Stressed member 3 is plugged in the cavity 11 of connection seat 5, and the outer end of stressed member 3 reaches the outside of connection seat 5.The outer port part of cavity 11 sealing cap 4 that has been threaded, stressed member 3 passes sealing cap 4 with gap.Between stressed member 3 and connection seat 5, be provided with slowing-down structure; Stressed member 3 is after receiving axial force; Can in connection seat 5, endwisely slip; Slowing-down structure can resolve into stressed member 3 suffered axial forces along the axial component of stressed member 3, and along connection seat 5 component radially, thereby in order to the axially loaded of stressed member 3 is subdued.
Described slowing-down structure comprises little spring 8, steel ball 9 and slide plate 6.Slide plate 6 is in the form of annular discs, and the outer peripheral face of slide plate 6 is used for contacting with the sphere of steel ball 9.Outer fringe position place at slide plate 6 axial two ends is provided with inclined-plane or cambered surface respectively, and inclined-plane or cambered surface are along the whole circumferential extension of slide plate 6.
In the wall body of connection seat 5, be provided with accommodation hole 12, accommodation hole 12 is provided with a pair of little spring that is abutted together 8 and steel ball 9 along the radially setting of connection seat 5 in each accommodation hole 12.Accommodation hole 12 runs through the wall body of connection seat 5; The interior mouth diameters of accommodation hole 12 is less than the diameter of steel ball 9; Steel ball 9 is arranged in the accommodation hole 12 with gap; Steel ball 9 can slide in accommodation hole 12, and steel ball 9 just part is projected in the cavity 11 in the connection seat 5, and the part that steel ball 9 is projected in this cavity 11 generally accounts for steel ball 9 single-pieces 2/5.The inside face of oral areas is a cambered surface in the accommodation hole 12, generally is that the sphere with steel ball 9 matches.Outer port part negative thread at accommodation hole 12 is connected with bolt of rear end plate 7, and an end roof pressure of little spring 8 is at the inner end of bolt of rear end plate 7.Through rotational fixation bolt 7, can adjust the precompressed compression that little spring 8 acts on the steel ball 9.
Accommodation hole 12 is a plurality of, and in connection seat 5, the week that the accommodation hole 12 in each annular is distributed on connection seat 5, upwards the outer peripheral face of a slide plate 6 can act on a plurality of steel balls 9 in the annular simultaneously with the arranged in form of a plurality of annulars for they.The number of rings that these accommodation holes 12 are constituted generally will be more than the number of slide plate 6, and slide plate 6 is followed stressed member 3 when in the cavity 11 of connection seat 5, sliding, and on certain stroke, slide plate 6 all can keep the protrusion phase-splitting effect with steel ball 9.In the formed a plurality of annulars of the layout of accommodation hole 12, the interval between two adjacent annulars equals the thickness of slide plate 6.Under the permission of slide plate 6 Material Strength, the thickness of slide plate 6 is made thin as far as possible, to help the miniaturization of this speed reduction gearing.
On the outer face of stressed member 3, be fixed with stressed plate 1, the periphery of stressed member 3 is socketed with big spring 2, and the two ends difference roof pressure of big spring 2 is on stressed plate 1 and connection seat 5.
After this speed reduction gearing received impulsive force, stressed member 3 was vertically towards the motion of connection seat 5 directions, and slide plate 6 is followed motion together.In slide plate 6 motion processes; Inclined-plane that establish in slide plate 6 outer rim places or cambered surface are pushed the outshot of steel ball 9, and this inclined-plane or cambered surface are done the time spent to steel ball 9, can make the axially loaded of stressed member 3 be broken down into axial component and radial component; This axial component is less than the initial axially loaded of stressed member 3; Radial component promotes steel ball 9 and in accommodation hole 12, moves, and little spring 8 is compressed, and the part of impact kinetic energy is stored in the compressed little spring 8 with the form of potential energy.The multiple tracks slowing-down structure is to the effect of slide plate 6, makes that suffered axial impact energy is subdued greatly on the stressed member 3, needs protected object to be effectively protected.After slide plate 6 was separated with steel ball 9, steel ball 9 was projected in the cavity 11 of connection seat 5 once more.In the time of need resetting to the axial location of stressed member 3, can pass through rotational fixation bolt 7, reduce or eliminate the precompressed of 8 pairs of steel balls 9 of little spring, oppositely spur stressed member 3, can realize resetting of stressed member 3 axial locations.
Claims (9)
- One kind moment speed reduction gearing, comprise connection seat (5) and stressed member (3), connection seat has columnar part on (5); Described stressed member (3) is plugged in this cylindrical shape part with gap, it is characterized in that, is provided with slowing-down structure between stressed member (3) and the connection seat (5); Slowing-down structure comprises and is arranged on elastic component and the sliding part that is abutted against each other together in the connection seat (5); Elastic component is positioned at the outside of sliding part, and sliding part is projected into the inboard of cylindrical shape part on the connection seat, on stressed member (3), is provided with to be used for and contacted inclined-plane of sliding part or cambered surface; Under the effect of inclined-plane or cambered surface, sliding part can be towards the direction motion of elastic component.
- 2. moment according to claim 1 speed reduction gearing, it is characterized in that said elastic component and sliding part are several, they are arranged in the connection seat (5) along the circumferential annular of stressed member (3).
- 3. moment according to claim 1 speed reduction gearing, it is characterized in that said slowing-down structure is a plurality of, they axially are set up in parallel along stressed member (3).
- According to claim 1,2 or 3 described moment speed reduction gearing; It is characterized in that; Said elastic component is little spring (8); Sliding part is steel ball (9), in the wall body of connection seat (5), is provided with some accommodation holes (12), is provided with a little spring (8) and a steel ball (9) in the accommodation hole (12).
- 5. moment according to claim 4 speed reduction gearing, it is characterized in that be fixed with slide plate (6) on the said stressed member (3), described inclined-plane or cambered surface are formed on the axially outer rim place at two ends of slide plate (6).
- 6. moment according to claim 5 speed reduction gearing, it is characterized in that said slide plate (6) is a plurality of, their coaxial superimposed and sockets are fixed on the shaft-like stressed member (3).
- 7. moment according to claim 6 speed reduction gearing; It is characterized in that; Said accommodation hole (12) with the arranged in form of a plurality of annulars in connection seat (5); Interval between adjacent two annulars equals the thickness of a slide plate (6), and these annular numbers will be more than the number of slide plate (6).
- 8. moment according to claim 4 speed reduction gearing; It is characterized in that; Said accommodation hole (12) runs through the wall body of connection seat (5), and the interior oral area of accommodation hole (12) is less than the diameter of steel ball (9), and steel ball (9) is arranged in the accommodation hole (12) with gap; The outer port part of accommodation hole (12) bolt of rear end plate (7) that has been threaded, little spring (8) roof pressure is at the inner end of bolt of rear end plate (7).
- According to claim 1,2 or 3 described moment speed reduction gearing; It is characterized in that; Be provided with two ends in the outside of connection seat (5) and act on the big spring (2) on stressed member (3) and the connection seat (5) respectively, big spring (2) is socketed on the shaft-like stressed member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200024445U CN202400043U (en) | 2012-01-05 | 2012-01-05 | Instant speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200024445U CN202400043U (en) | 2012-01-05 | 2012-01-05 | Instant speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202400043U true CN202400043U (en) | 2012-08-29 |
Family
ID=46697710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200024445U Expired - Fee Related CN202400043U (en) | 2012-01-05 | 2012-01-05 | Instant speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202400043U (en) |
-
2012
- 2012-01-05 CN CN2012200024445U patent/CN202400043U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100400352C (en) | Towing arrangement and deformation tube in a railway vehicle coupling | |
| EP2840009B1 (en) | Compact buffer having overload protection | |
| CN103287369A (en) | Multistage embedded type octagonal automobile energy absorbing and buffering device | |
| CN102555962A (en) | Front anti-collision cross beam energy absorbing device of automobiles | |
| CN112886116A (en) | New energy automobile device capable of popping up battery after collision | |
| CN207683474U (en) | A kind of harmful influence haulage vehicle rear lower anticollision gear | |
| CN103174761B (en) | Collision crumple structure of automobile transmission shaft | |
| CN204296849U (en) | Steering axles | |
| CN205769129U (en) | A kind of bellows-type vehicle energy absorption box | |
| WO2021120081A1 (en) | Rail vehicle, and vehicle end energy absorption structure therefor | |
| CN202400043U (en) | Instant speed reducer | |
| CN201685777U (en) | Automobile anti-collision & energy-absorbing safety protection device | |
| CN105329197A (en) | Energy absorption box of automobile front anti-collision beam | |
| CN102562899B (en) | Instantaneous speed reducer | |
| CN110758012B (en) | Anti-collision rear axle of electric vehicle | |
| CN106985897A (en) | Energy absorption steering column assembly | |
| CN106564457B (en) | A kind of combined type crash energy absorption equipment | |
| CN201777295U (en) | Energy-absorbing steering shaft for vehicles | |
| CN105346554A (en) | Buffer combining polymeric elastic components and metal friction components | |
| CN106184276A (en) | High polymer elastic element and wedge mechanism combined buffers | |
| CN205059488U (en) | Car body buffer stop | |
| CN105000029A (en) | Metal tube-honeycomb core combined type anti-creeper with built-in honeycomb core | |
| CN110341906B (en) | Steamship collision prevention device | |
| CN207535987U (en) | New automobile front longitudinal beam | |
| CN201677916U (en) | Retractable automobile steering column |
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 |
Granted publication date: 20120829 Termination date: 20150105 |
|
| EXPY | Termination of patent right or utility model |