CN207194698U - Electrical retractor for tailstock door - Google Patents

Electrical retractor for tailstock door Download PDF

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Publication number
CN207194698U
CN207194698U CN201720812707.1U CN201720812707U CN207194698U CN 207194698 U CN207194698 U CN 207194698U CN 201720812707 U CN201720812707 U CN 201720812707U CN 207194698 U CN207194698 U CN 207194698U
Authority
CN
China
Prior art keywords
sleeve
cylinder body
free end
tailstock door
electrical retractor
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
Application number
CN201720812707.1U
Other languages
Chinese (zh)
Inventor
奚仲强
张金换
张荣荣
王波
许述财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Fuzhou Mingfang Automobile Parts Industry Co Ltd
Hsin Chong Machinery Works Co Ltd
Original Assignee
Tsinghua University
Fuzhou Mingfang Automobile Parts Industry Co Ltd
Hsin Chong Machinery Works Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Fuzhou Mingfang Automobile Parts Industry Co Ltd, Hsin Chong Machinery Works Co Ltd filed Critical Tsinghua University
Priority to CN201720812707.1U priority Critical patent/CN207194698U/en
Application granted granted Critical
Publication of CN207194698U publication Critical patent/CN207194698U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of electrical retractor for tailstock door, including:One telescopic tube assembly, a drive component, a linear moving assembly and an elasticity store power structure.Telescopic tube assembly includes inner tube and pivot bush unit in the outer tube of inner tube;Drive component is arranged in inner tube;Linear moving assembly is interspersed in telescopic tube assembly and has sleeve free end and the screw free end for being away from drive component respectively comprising the screw rod driven by drive component and the sleeve for being bolted in screw rod, sleeve and screw rod, and screw rod band moving sleeve moves;Elasticity stores power structure setting and in sleeve and follows sleeve to move, and elasticity stores power structural elasticity and is connected to screw free end.Whereby, even if not increasing driving power, the power lifted at the beginning can also be increased, to overcome load of the tailstock door when raising at the beginning to increase problem.

Description

Electrical retractor for tailstock door
Technical field
The utility model particularly relates to a kind of electrical retractor for tailstock door on a kind of retractor device.
Background technology
On tailstock door, the electric expansion bar being connected at present between car body and tailstock door, enable with motorized motions Mode lifts or folded tailstock door.
Load during due to lifting tailstock door is substantially certain, can be because car only in lifting moment at the beginning Pressure differential inside and outside the resistance of door lock, the resistance of seal or compartment and cause the load of tailstock door to increase, if but simple increase The driving power of electric expansion bar, except the volume that can cause electric expansion bar becomes excessively huge and influences attractive in appearance, can more cause The unnecessary wasting of resources, it is early for This is what people generally disapprove of for a long time.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of electrical retractor for tailstock door, energy In the case of driving power is not increased, increase the power lifted at the beginning, to overcome tailstock door institute when raising at the beginning normal The load increase problem that can be suffered from.
In order to reach above-mentioned purpose, the utility model provides a kind of electrical retractor for tailstock door, including:One stretches Draw component, comprising an inner tube and pivot bush unit in an outer tube of said inner tube;One drive component, is arranged in said inner tube; One linear moving assembly, it is interspersed in the telescopic tube assembly and comprising the screw rod that is driven by the drive component and is bolted in institute A sleeve of screw rod is stated, the sleeve and the screw rod have the sleeve free end and one for being away from the drive component respectively Screw free end, the screw rod drive the sleeve movement;And one elasticity store power structure, be arranged at the sleeve and follow institute Sleeve movement is stated, the elasticity stores power structural elasticity and is connected to the screw free end.
Preferably, wherein it is a gas spring or a hydraulic spring that the elasticity, which stores power structure,.
Preferably, wherein the elasticity, which stores power structure, includes a cylinder body, a piston rod and a piston, the cylinder body is fixed on The position for being adjacent to the sleeve free end in the sleeve, the piston rod activity are interspersed in the cylinder body and had in one End and an outer end, the piston are connected to described the inner, and the outer end is then connected to the screw free end.
Preferably, wherein being filled with air or oil in the cylinder body.
Preferably, wherein having a gap between the inwall of the outer peripheral edge of the piston and the cylinder body.
Preferably, wherein the elasticity, which stores power structure, includes a cylinder body and an elastic component, the cylinder body is fixed on described The position for being adjacent to the sleeve free end in sleeve, the elastic component activity are interspersed in the cylinder body and with a inners With an outer end, described the inner is connected to the cylinder body, and the outer end is then connected to the screw free end.
Preferably, wherein one end activity of the cylinder body is interspersed with the piston rod, the other end of the cylinder body is then set There is one to turn up lip, described turn up then forms folder tug space and press from both sides the tug sleeve between lip and the outer wall of the cylinder body.
Preferably, wherein the cylinder body also has a connecting piece, one end activity of the cylinder body is interspersed with the piston rod, The other end of the cylinder body offers a mounting hole, and the connecting piece corresponds to the mounting hole and fixed, and the connecting piece via The outer tube group is connected to a pivot connector.
Preferably, wherein the cylinder body also has a connecting piece, one end activity of the cylinder body is interspersed with the piston rod, The other end of the cylinder body offers a mounting hole, and the connecting piece corresponds to the mounting hole and fixed, and the connecting piece via The outer tube group is connected to a pivot connector.
Preferably, wherein the described inner and described outer end of the elastic component flexibly support respectively in the connecting piece with Between the screw free end.
Preferably, a compression spring is also included, the compression spring is socketed on the sleeve and is located at the telescoping tube Between component and the sleeve, and the compression spring is flexibly supported between said inner tube and the outer tube.
Compared to prior art, the utility model has following effect:It can increase in the case of driving power is not increased The power lifted at the beginning, so as to overcome tailstock door to increase problem raising the load that Shi Suochang can suffer from the beginning.
Brief description of the drawings
Fig. 1 is the first perspective view of the utility model first embodiment;
Fig. 2 is the second perspective view of the utility model first embodiment;
Fig. 3 is the sectional view of the utility model first embodiment;
Fig. 4 is foundation Fig. 3 of the utility model first embodiment partial enlarged drawing;
Fig. 5 is the partial sectional view of the utility model second embodiment.
Description of symbols in figure:
1 ... telescopic tube assembly;
11 ... inner tubes;
111 ... installation portions;
12 ... outer tubes;
2 ... drive components;
21 ... drivers;
22 ... reducing gears;
3 ... linear moving assemblies;
31 ... screw rods;
311 ... screw free ends;
32 ... sleeves;
321 ... sleeve free ends;
4 ... compression springs;
5th, 5a ... elasticity stores power structure;
51 ... cylinder bodies;
511 ... turn up lip;
512 ... folder tug spaces;
513 ... mounting holes;
514 ... connecting pieces;
5141 ... group connecting parts;
52 ... piston rods;
53 ... pistons;
54 ... elastic components;
541 ... is inner;
542 ... outer ends;
6th, 7 ... pivot connectors;
71 ... corresponding group connecting parts;
G ... gaps.
Embodiment
About detailed description of the present utility model and technology contents, schema is coordinated to be described as follows, but institute's accompanying drawings only carry Used for reference with explanation, be not used to limit the utility model.
The utility model provides a kind of electrical retractor for tailstock door, be mainly connected in figure not illustrated car body and Between tailstock door, so as to which tailstock door is lifted or folded in a manner of motorized motions, and power is stored when folding, with when lifting by power Release, so as to the increase lifting power when lifting at the beginning.It is first embodiment of the present utility model as Figure 1-Figure 4, such as It is then second embodiment of the present utility model shown in Fig. 5.Wherein, the elasticity in each figure stores power structure 5,5a is in elastic compression State, close first Chen Ming.
As shown in Figures 1 to 4, the first embodiment of the utility model electrical retractor includes:One telescopic tube assembly 1, One drive component 2, the linear elasticity of moving assembly 3 and one store power structure 5, specifically then also include a compression spring 4 and one To pivot connector 6,7.
Telescopic tube assembly 1 includes an inner tube 11 and pivot bush unit in an outer tube 12 of inner tube 11, enable outer tube 12 relative to Inner tube 11 is flexible, and outer tube 12 is flexible along inner tube 11.Wherein, the right-hand member of inner tube 11 has an installation portion 111.
Drive component 2 is arranged in the installation portion 111 of inner tube 11.Wherein, drive component 2 includes a driver 21 and driven The reducing gear 22 that dynamic device 21 drives.
Linear moving assembly 3 is interspersed in telescopic tube assembly 1, its sleeve for including a screw rod 31 and being bolted in screw rod 31 32.The right-hand member of screw rod 31 is moved in reducing gear 22 by stretching into installation portion 111, enables drive component 2 to drive screw rod 31 to revolve Turn.Wherein, screw rod 31 and sleeve 32 have a screw free end 311 and the sleeve free end for being away from drive component 2 respectively 321。
Because sleeve 32 is socketed and is bolted in screw rod 31, therefore, the rotation of screw rod 31 can band moving sleeve 32 along screw rod 31 length direction movement.Further, since the sleeve free end 321 of sleeve 32 can push against (or even connection) in a left side for outer tube 12 End, therefore enable sleeve 32 to drive outer tube 12 flexible relative to inner tube 11.
Compression spring 4 is socketed on sleeve 32, makes compression spring 4 between telescopic tube assembly 1 and sleeve 32, and elasticity branch Support between the installation portion 111 of inner tube 11 and the left end of outer tube 12.Wherein, telescopic tube assembly 1 extend to it is most long when, compression spring 4 in the raw.
Elasticity stores power structure 5 and is then arranged at sleeve 32, and that can follow, sleeve 32 moves and elasticity is connected to screw free end 311。
Specifically (in detail as shown in Figure 4), elasticity storage power structure 5 includes a cylinder body 51, a piston rod 52 and a piston 53, Cylinder body 51 is fixed within the left end of sleeve 32, that is, is adjacent to the position of sleeve free end 321.The activity of piston rod 52 is interspersed In cylinder body 51 and there is the inner for non-marked element symbol and an outer end, piston 53 to be connected to the inner of piston rod 52, as The outer end of piston rod 52 is then connected to screw free end 311.In addition, air or oil are also filled with cylinder body 51, so that elasticity stores Power structure 5 respectively becomes a gas spring or a hydraulic spring.
Specifically, piston 53 is preset in the right-hand member in cylinder body 51 (or between left and right ends as depicted), cylinder body 51 Then there are air or oil filling in space between interior left end and piston 53 therebetween.Therefore, when cylinder body 51 follows sleeve 32 to move to right, Piston 53 will move to left relative to cylinder body 51, store power with energy compressed air or oil.In the present embodiment then exemplified by filling air Illustrate.
Certainly, preferably can also have a clearance G between the inwall of the outer peripheral edge of piston 53 and cylinder body 51, be mitigated with appropriateness and stored Caused reaction force during power.
By above-mentioned component, to be combined into electrical retractor of the present utility model, it, which has, shortens and extends two kinds of works Operation mode, illustrate as after:
Shorten mode of operation:Drive component 2 drives screw rod 31 to rotate, and sleeve 32 is stored power structure 5 with elasticity and returns together Return is dynamic (being turned right extreme direction movement by the left end of screw rod 31), and outer tube 12 then shortens relative to inner tube 11.When sleeve 32 is moved to Close to screw rod 31 end when, because the outer end of piston rod 52 is by the block of screw free end 311, make piston rod 52 and piston 53 can not move, but only cylinder body 51 can continue to move to right.The cylinder body 51 moved to right will be gradually shortened left end in cylinder body 51 with The distance between piston 53 and air is compressed, so gradually store power, and remain extend work when discharge.
Extend mode of operation:Via the drive of drive component 2, sleeve 32 stores power structure 5 with elasticity and is moved along together (by the right-hand member of screw rod 31 turn left extreme direction movement), make sleeve 32 drive outer tube 12 extended relative to inner tube 11.Now, due to bullet Property store in the cylinder body 51 of power structure 5 accumulating high-pressure gas, therefore, when screw rod 31 start to rotate and with moving sleeve 32 towards left elongation When, elasticity, which stores the gases at high pressure that power structure 5 is accumulated, will promote piston 53 mobile (by from left to right) in the opposite direction, that is, Piston 53 can drive the opposite direction of piston rod 52 to be pushed against (by from left to right) and produce power-assisted in screw free end 311, so as to increase this Lifting power of utility model electrical retractor when elongation mode of operation is carried out at the beginning.Therefore, the utility model can be Even if do not increase driving power, it just can increase the power lifted at the beginning, existing tailstock door can be overcome really one The lifting moment of beginning can lead to not smoothly because of the pressure differential inside and outside the resistance of car door lock, the resistance or compartment of seal The problem of unlatching.
In addition, being fixed on the structure of sleeve 32 on elasticity storage power structure 5, the utility model does not limit, in this implementation Then illustrated in example so that this section aftermentioned as an example:The left end activity of cylinder body 51 is interspersed with piston rod 52, and the left end of cylinder body 51 is then set It is equipped with one to turn up lip 511, makes to turn up between lip 511 and the outer wall of cylinder body 51 formed with a folder tug space 512, sleeve 32 Left end then corresponds to folder tug space 512 and inserted, and pulls and fixes folded by lip 511 such that the left end of sleeve 32 is turned up.
The left end of cylinder body 51 can also offer a mounting hole 513, to be fixed with a connecting piece 514 in mounting hole 513.Group Fitting 514 has a group connecting part 5141, therefore connects a pivot connector 7 beneficial to group, enables the corresponding group connecting part 71 of pivot connector 7 via outer Pipe 12 is connected to group connecting part 5141 and fixed.Certainly, inner tube 11 right-hand member also can group be connected to a pivot connector 6 (see Fig. 3), with profit Car body and tailstock door are articulated in respectively with two pivot connectors 6,7.
As shown in figure 5, it is then the second embodiment of the utility model electrical retractor, second embodiment is substantially with first Embodiment is identical, and it is different that difference only stores power structure 5a in elasticity.
The elasticity of second embodiment stores power structure 5a and includes a cylinder body 51 and an elastic component 54, the structure of cylinder body 51 and The position for being fixed on sleeve 32 is homogeneously same as first embodiment, and the only perforate bore of the right-hand member of cylinder body 51 is different.Elastic component 54 can be any elastic construction component, such as construction package with another compression spring etc., then single with another in the present embodiment Illustrated exemplified by one compression spring.The activity of elastic component 54 is interspersed in cylinder body 51 and with a inner 541 and an outer end 542, the inner 541 is connected to the left end in cylinder body 51, and outer end 542 is then connected to screw free end 311, that is, elastic component 54 The inner 541 and outer end 542 flexibly support respectively between connecting piece 514 and screw free end 311.Therefore, second embodiment Elasticity store the effect that also there is the elasticity for being same as first embodiment to store power structure 5 by power structure 5a.
In summary, the utility model has following effect compared to prior art:Pass through set up elasticity and store power knot Structure 5,5a and its dependency structure, just can increase the power that lifts at the beginning in the case of driving power is not increased, really can gram Taking existing tailstock door can be because of the pressure inside and outside the resistance of car door lock, the resistance or compartment of seal in lifting moment at the beginning Difference and the problem of lead to not smoothly open.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model Change, within the scope of protection of the utility model.The scope of protection of the utility model is defined by claims.

Claims (11)

  1. A kind of 1. electrical retractor for tailstock door, it is characterised in that including:
    One telescopic tube assembly, comprising an inner tube and pivot bush unit in an outer tube of said inner tube;
    One drive component, is arranged in said inner tube;
    One linear moving assembly, it is interspersed in the telescopic tube assembly and comprising the screw rod that is driven by the drive component and is spirally connected In a sleeve of the screw rod, the sleeve and the screw rod have the sleeve free end for being away from the drive component respectively With a screw free end, the screw rod drives the sleeve movement;And
    One elasticity stores power structure, is arranged at the sleeve and follows the sleeve to move, and the elasticity stores power structural elasticity and abutted In the screw free end.
  2. 2. it is used for the electrical retractor of tailstock door as claimed in claim 1, it is characterised in that the elasticity stores power structure and is One gas spring or a hydraulic spring.
  3. 3. it is used for the electrical retractor of tailstock door as claimed in claim 1, it is characterised in that the elasticity stores power structure bag Containing a cylinder body, a piston rod and a piston, the position for being adjacent to the sleeve free end that the cylinder body is fixed in the sleeve Put, the piston rod activity is interspersed in the cylinder body and is connected to described the inner, institute with a inner and an outer end, the piston State outer end and be then connected to the screw free end.
  4. 4. it is used for the electrical retractor of tailstock door as claimed in claim 3, it is characterised in that filling is free in the cylinder body Gas or oil.
  5. 5. as claimed in claim 3 be used for tailstock door electrical retractor, it is characterised in that the outer peripheral edge of the piston with There is a gap between the inwall of the cylinder body.
  6. 6. it is used for the electrical retractor of tailstock door as claimed in claim 1, it is characterised in that the elasticity stores power structure bag Containing a cylinder body and an elastic component, the position for being adjacent to the sleeve free end that the cylinder body is fixed in the sleeve, institute State elastic component activity and be interspersed in the cylinder body and with an inner and outer end, described the inner is connected to the cylinder body, described Outer end is then connected to the screw free end.
  7. 7. it is used for the electrical retractor of tailstock door as claimed in claim 3, it is characterised in that one end activity of the cylinder body It is interspersed with the piston rod, the other end of the cylinder body is then provided with one and turned up lip, lip and the cylinder body of turning up Folder tug space is then formed between outer wall and presss from both sides the tug sleeve.
  8. 8. it is used for the electrical retractor of tailstock door as claimed in claim 3, it is characterised in that the cylinder body also has one group Fitting, one end activity of the cylinder body are interspersed with the piston rod, and the other end of the cylinder body offers a mounting hole, described group Fitting corresponds to the mounting hole and fixed, and the connecting piece is connected to a pivot connector via the outer tube group.
  9. 9. it is used for the electrical retractor of tailstock door as claimed in claim 6, it is characterised in that the cylinder body also has one group Fitting, one end of the cylinder body, which offers a mounting hole and is provided with one, turns up lip, and the connecting piece corresponds to the mounting hole It is fixed, and the connecting piece is connected to a pivot connector via the outer tube group, it is described to turn up between lip and the outer wall of the cylinder body Then form a folder tug space and press from both sides the tug sleeve.
  10. 10. it is used for the electrical retractor of tailstock door as claimed in claim 9, it is characterised in that the institute of the elastic component Inner and described outer end is stated to flexibly support respectively between the connecting piece and the screw free end.
  11. 11. it is used for the electrical retractor of tailstock door as claimed in claim 1, it is characterised in that also include a compression bullet Spring, the compression spring are socketed on the sleeve and between the telescopic tube assembly and the sleeves, and the compression bullet Spring is flexibly supported between said inner tube and the outer tube.
CN201720812707.1U 2017-07-06 2017-07-06 Electrical retractor for tailstock door Expired - Fee Related CN207194698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720812707.1U CN207194698U (en) 2017-07-06 2017-07-06 Electrical retractor for tailstock door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720812707.1U CN207194698U (en) 2017-07-06 2017-07-06 Electrical retractor for tailstock door

Publications (1)

Publication Number Publication Date
CN207194698U true CN207194698U (en) 2018-04-06

Family

ID=61784418

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720812707.1U Expired - Fee Related CN207194698U (en) 2017-07-06 2017-07-06 Electrical retractor for tailstock door

Country Status (1)

Country Link
CN (1) CN207194698U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209110A (en) * 2017-07-06 2019-01-15 福州明芳汽车部件工业有限公司 Electrical retractor for tailstock door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209110A (en) * 2017-07-06 2019-01-15 福州明芳汽车部件工业有限公司 Electrical retractor for tailstock door

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180406

Termination date: 20200706

CF01 Termination of patent right due to non-payment of annual fee