阅读说明：本技术 一种用于汽车门无框玻璃升降器的张紧器 (A kind of stretcher for car door frame-free glass lifter ) 是由 付强熙 任会芳 张寅俊 陈超 曹超 林敏� 郝志强 徐志刚 袁艳玮 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种用于汽车门无框玻璃升降器的张紧器,张紧体一的外表面在上部设有螺旋面、在底部设有凸台,弹簧一套设于张紧体一,弹簧一下端与凸台上表面抵合,支撑护壳的内表面在上部设有与螺旋面匹配的螺旋凹槽,在螺旋凹槽下方设有与凸台匹配的竖向导槽,张紧体一、弹簧一装配后装入支撑护壳内,螺旋面与螺旋凹槽配合形成螺旋副,凸台嵌入竖向导槽中,弹簧一上端与支撑护壳内部上限位固定。本发明通过张紧体一的凸台沿支撑护壳的竖向导槽轴向移动,张紧体一的螺旋面与支撑护壳的螺旋凹槽实现螺旋配合,实现张紧器单向拉伸瞬时张紧,完成汽车门玻璃瞬时开启；该张紧器集合度高,调节灵活,安装方式、安装位置灵活,占用空间小。(The invention discloses a kind of stretchers for car door frame-free glass lifter, the outer surface of tensioning boby one is equipped with helicoid on top, boss is equipped in bottom, spring one is sheathed on tensioning boby one, one lower end of spring and boss upper surface, which are supported, closes, the inner surface of protective case is supported to be equipped with and the matched spiral groove of helicoid on top, it is equipped with and the matched vertical guide groove of boss below spiral groove, tensioning boby one, spring one is packed into support protective case after assembling, helicoid and spiral groove cooperatively form screw pair, boss is embedded in vertical guide groove, one upper end of spring is fixed with upper limit inside support protective case.The present invention by the boss of tensioning boby one along the vertical guide groove axial movement of support protective case, realize threaded engagement, realize that stretcher simple tension is instantaneously tensioned, complete automobile door pane and instantaneously open by the helicoid of tensioning boby one and the spiral groove of support protective case；The stretcher aggregation degree is high, and flexible adjustment, mounting means, installation site are flexible, occupy little space.)

1. a kind of stretcher for car door frame-free glass lifter, it is characterised in that: including supporting protective case (1), tensioning boby The outer surface of one (2), spring one (3), the tensioning boby one (2) is equipped with boss equipped with helicoid (21), in bottom on top (22), the spring one (3) is sheathed on the tensioning boby one (2), spring one (3) lower end and the boss (22) upper surface To conjunction, it is described support protective case (1) inner surface top be equipped with the helicoid (21) matched spiral groove (11), in institute It states and is equipped with and the matched vertical guide groove (12) of the boss (22), the tensioning boby one (2), spring one below spiral groove (11) (3) it is packed into after assembling in the support protective case (1), the helicoid (21) and the spiral groove (11) cooperatively form spiral Pair, the boss (22) are embedded in the vertical guide groove (12), and spring one (3) upper end and the support protective case (1) are internal Upper limit is fixed.

2. a kind of stretcher for car door frame-free glass lifter according to claim 1, it is characterised in that: also wrap It includes cushion block (4), the upper cushion block (4) is sheathed on the tensioning boby one (2), spring one (3) upper end and the upper cushion block (4) fixed, it is packed into the support protective case (1) after the tensioning boby one (2), spring one (3), upper cushion block (4) assembly, the spiral shell Radial facing (21) and the spiral groove (11) cooperatively form screw pair, and the boss (22) is embedded in the vertical guide groove (12), The upper cushion block (4) is fixed with the internal upper limit of the support protective case (1).

3. a kind of stretcher for car door frame-free glass lifter according to claim 1, it is characterised in that: also wrap Tensioning boby two (5), spring two (6) are included, its inner cavity is inserted into from tensioning boby one (2) tail portion in tensioning boby two (5) top (23) in, the spring two (6) is sheathed on the tensioning boby two (5), spring two (6) upper end and the boss (22) following table Face is supported conjunction, lower end and the tensioning boby two (5) and is fixed, the tensioning boby one (2), spring one (3), tensioning boby two (5), spring two (6) it is packed into after assembling in the support protective case (1).

4. a kind of stretcher for car door frame-free glass lifter according to claim 3, it is characterised in that: also wrap It includes lower cushion block (7), the lower cushion block (7) is sheathed on the tensioning boby two (5), spring two (6) upper end and the lower cushion block (7) fixed, the lower cushion block (7) and the boss (22) lower surface are supported and are closed, the tensioning boby one (2), spring one (3), tensioning It is packed into the support protective case (1) after body two (5), spring two (6), lower cushion block (7) assembly.

5. a kind of stretcher for car door frame-free glass lifter according to claim 3, it is characterised in that: described The outer surface of tensioning boby two (5) is provided with clamp (51), and spring two (6) lower end and the clamp (51) are fixed.

6. a kind of stretcher for car door frame-free glass lifter according to claim 3, it is characterised in that: described Tensioning boby two (5) lower end is equipped with bottom platform (52), and spring two (6) lower end is supported with the bottom platform (52) upper surface It closes.

7. a kind of stretcher for car door frame-free glass lifter according to claim 3, it is characterised in that: also wrap Secondary spring (8), baffle (9) are included, the slot of width Yu the baffle (9) thickness matching is offered on support protective case (1) (13), the baffle (9) is inserted into the support protective case (1) from the slot (13), the tensioning boby one (2), spring one (3), it is packed into the support protective case (1) after tensioning boby two (5), spring two (6) assembly, secondary spring (8) upper end and institute It is fixed to state fixed baffle (9), lower end and the tensioning boby two (5).

8. a kind of stretcher for car door frame-free glass lifter according to claim 7, it is characterised in that: described It is offered on baffle (9) upper surface and lower end surface locating slot (91), secondary spring (8) upper end is in the locating slot (91) Middle limit, slot (13) lower end and the locating slot (91) are supported and are closed.

9. a kind of stretcher for car door frame-free glass lifter according to claim 7, it is characterised in that: described Baffle (9) is flexible sheet, and the slot (13) opens up one group on the support protective case (1) with relative position, at described After tight body one (2), spring one (3), tensioning boby two (5), spring two (6) are packed into the support protective case (1), the baffle (9) Part in support protective case (1) is in the arc protruded.

Technical field

The present invention relates to a kind of stretcher, especially a kind of tensioning for the double guide rail frame-free glass lifters of car door Device.

Background technique

It is different compared with the installation form of expression of the framed glass of car door, the respective guide slots of frame-free glass and limiting slot by vehicle body its He provides component, and matching precision is mainly adjusted by assembling process, higher to installation accuracy requirement, and door opening process In, if glass is in top dead centre, door switch is touched, because needing to fall after rise compression the characteristics of conventional tensioner, re-extending, cause The undue delay that door is opened, the pressure of glass caused by Men Kaiqi also can curvature, rigidity to glass impact, and then influence Smooth and closing the reliability of the up and down of glass, causes negative influence to utilization rate and appearance, influences operator Comfort.Therefore solve the problems, such as that frameless glass door open time delay is extremely urgent.

Summary of the invention

Goal of the invention: in view of the above-mentioned problems, the object of the present invention is to provide one kind for the double guide rail frame-free glass of car door The stretcher of lifter solves the problems, such as door open time delay.

Technical solution: a kind of stretcher for car door frame-free glass lifter, including support protective case, tensioning boby one, The outer surface of spring one, the tensioning boby one is equipped with boss equipped with helicoid, in bottom on top, and the spring one is sheathed on institute Tensioning boby one is stated, one lower end of spring and the boss upper surface, which are supported, closes, and the inner surface of the support protective case is equipped on top With the matched spiral groove of the helicoid, it is equipped with and the matched vertical guide groove of the boss, institute below the spiral groove It is packed into the support protective case after stating tensioning boby one, the assembly of spring one, the helicoid and the spiral groove cooperatively form spiral shell Rotation is secondary, and the boss is embedded in the vertical guide groove, and one upper end of spring is fixed with upper limit inside the support protective case.

It is optimal, further include upper cushion block, the upper cushion block is sheathed on the tensioning boby one, one upper end of spring with it is described Upper cushion block is fixed, and is packed into the support protective case after the tensioning boby one, spring one, the assembly of upper cushion block, the helicoid and institute It states spiral groove and cooperatively forms screw pair, the boss is embedded in the vertical guide groove, the upper cushion block and the support protective case Internal upper limit is fixed.Upper cushion block provides fixed support surfaces for one upper end of spring.

It further, further include tensioning boby two, spring two, two top of tensioning boby is inserted into from one tail portion of tensioning boby In its inner cavity, the spring two is sheathed on the tensioning boby two, and conjunction, lower end are supported in two upper end of spring and the boss lower surface Fixed with the tensioning boby two, the tensioning boby one, spring one, tensioning boby two, spring two are packed into the support protective case after assembling It is interior.

It is optimal, further include lower cushion block, the lower cushion block is sheathed on the tensioning boby two, two upper end of spring with it is described Lower cushion block is fixed, and the lower cushion block and the boss lower surface are supported and closed, the tensioning boby one, spring one, tensioning boby two, spring Two, it is packed into the support protective case after lower cushion block assembly.Lower cushion block provides fixed support surfaces for two upper end of spring.

Optimal, the outer surface of the tensioning boby two is provided with clamp, and two lower end of spring is fixed with the clamp.Card Pincers prevent spring two from generating circumferential play, distortion.

Optimal, two lower end of tensioning boby is equipped with bottom platform, table on two lower end of spring and the bottom platform Face, which is supported, closes.Bottom platform provides fixed support surfaces for two lower end of spring.

It is optimal, further include secondary spring, baffle, offers width on the support protective case and matched with the Weir Plate Thickness Slot, the baffle is inserted into the support protective case from the slot, the tensioning boby one, spring one, tensioning boby two, spring It is packed into the support protective case after two assembly, the secondary spring upper end and the baffle fix, lower end and the tensioning boby two It is fixed.Each component is connected with baffle by secondary spring and is tightened to integration, is easy to stretcher and saves and take, secondary spring With baffle effectively prevent stretcher assembly be not used when, spring one, spring two because distortion or tensioner body movement cause Adjusting shake, secondary spring and baffle do not work to the use state of stretcher.

It is optimal, locating slot is offered on the baffle upper surface and lower end surface, the secondary spring upper end is in described It is limited in locating slot, the slot lower end and the locating slot are supported and closed.It is supported and is closed with slot lower end by the locating slot on lower end surface Increase frictional force, anti-baffle plate is skidded off from slot, is in secondary spring by the locating slot on upper surface and is wherein limited.

Optimal, the baffle is flexible sheet, and the slot opens up one group on the support protective case with relative position, After the tensioning boby one, spring one, tensioning boby two, spring two are packed into the support protective case, the baffle is in the branch The part in protective case is supportted in the arc of protrusion.The utility model has the advantages that compared with prior art, the invention has the advantages that tensioning boby one For boss along the vertical guide groove axial movement of support protective case, the helicoid of tensioning boby one and the spiral groove of support protective case realize spiral Cooperation forms unidirectional movement, realizes stretcher simple tension, and stretcher is prevented to compress, thus realize descending spacing, so that Stretcher realizes instantaneous stretching tensioning, completes automobile door pane and instantaneously opens；The stretcher aggregation degree is high, and flexible adjustment can root According to needing to be installed on the guide rail of lifter, motor seat board and being series on wirerope, mounting means, installation site are flexible, account for It is small with space.

Detailed description of the invention

Fig. 1 is stretcher assembly figure of the present invention；

Fig. 2 is that Fig. 1 will support protective case to separate exploded view；

Fig. 3 is support shell structure schematic diagram；

Fig. 4 is Fig. 2 decomposition and partial longitudinal sectional schematic diagram；

Fig. 5 is baffle arrangement schematic diagram；

Fig. 6 is a kind of usage state diagram of baffle.

Specific embodiment

In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.These embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.

A kind of stretcher for car door frame-free glass lifter as shown in attached drawing 1~5, including supports protective case 1, opens Tight body 1, spring 1, upper cushion block 4, tensioning boby 25, spring 26, lower cushion block 7, secondary spring 8, baffle 9.

The outer surface of tensioning boby 1 is equipped with boss 22 equipped with helicoid 21, in bottom on top, and spring 1, which is sheathed on, to be opened Tight body 1 and between 22 upper surface of helicoid 21 and boss, boss provides fixed support surfaces, spring one for one lower end of spring 3 lower ends and 22 upper surface of boss, which are supported, closes, and upper cushion block 4 is sheathed on tensioning boby 1, and upper cushion block provides fixed support for one upper end of spring Face, one 3 upper end of spring and upper cushion block 4 are fixed.Tensioning boby 1 inwardly offers inner cavity 23 from tail portion.

25 top of tensioning boby is inserted into inner cavity 23, and 25 lower end of tensioning boby is equipped with bottom platform 52, the appearance of tensioning boby 25 Face is provided with clamp 51 above bottom platform 52, and spring 26 is sheathed on tensioning boby 25 and in bottom platform 52 and boss 22 Between lower surface, bottom platform provides fixed support surfaces for two lower end of spring, and 26 lower end of spring is supported with 52 upper surface of bottom platform It closes and fixed with clamp 51, clamp prevent spring two from generating circumferential play, distortion, and lower cushion block 7 is sheathed on tensioning boby 25, underlay Block provides fixed support surfaces for two upper end of spring, and 26 upper end of spring and lower cushion block 7 are fixed, and lower cushion block 7 is supported with 22 lower surface of boss It closes.Then it is flexibly connected between tensioning boby one, tensioning boby two by spring two.

Support protective case 1 inner surface top be equipped with the matched spiral groove 11 of helicoid 21, under spiral groove 11 Side is equipped with and the matched vertical guide groove 12 of boss 22.Tensioning boby 1, spring 1, upper cushion block 4, tensioning boby 25, spring 26, under Cushion block 7 is packed into support protective case 1 after assembling, and helicoid 21 and spiral groove 11 cooperatively form screw pair, and boss 22 is embedded in vertically In guide groove 12, can support protective case 1 inner surface on open up step upper cushion block is fixed or using vertical 12 upper surface of guide groove with Upper cushion block, which supports, to be closed, then upper cushion block is fixed with upper limit inside support protective case, and then to one upper limit of spring.It is right on protective case 1 to support The slot 13 of width Yu 9 thickness matching of baffle should be offered in the position of spring two, baffle 9 is inserted into support protective case 1 from slot 13 In, V-arrangement locating slot 91 is offered on 9 upper surface of baffle and lower end surface, passes through locating slot 91 on lower end surface and 13 lower end of slot Increase frictional force to closing, anti-baffle plate is skidded off from slot, and 8 upper end of secondary spring and baffle 9 are fixed, passes through determining on upper surface Position slot 91 makes secondary spring in wherein limiting, and 8 lower end of secondary spring is surrounded on tensioning boby 25 and its below bottom platform 52 Fixed, it is inside and outside that secondary spring is set to support protective case.

Baffle 9 can be used flexible sheet, and the slot 13 on protective case 1 is supported to open up one group with relative position, first by baffle 9 from One insertion of slot 13 supports in protective case 1, then is pierced by from an opposite slot 13, and the two side portions of baffle 9 are presented at this time For the double-vane of attached stretching shown in Fig. 2, then by tensioning boby 1, spring 1, upper cushion block 4, tensioning boby 25, spring 26, under Cushion block 7 is packed into support protective case 1 after assembling, and the part that baffle 9 is in support protective case 1 is expanded by outside top, at this time the cross of baffle 9 Section is the arc in protrusion as shown in Fig. 6, is surrounded on outside a part of spring 26.

By above structure, by each component assembling at stretcher assembly as shown in Fig. 1, stretcher assembly at this time For unused state, each component is connected with baffle by secondary spring and is tightened to integration, is easy to stretcher and save and take, Secondary spring and baffle effectively prevent stretcher assembly be not used when, spring one, spring two because distortion or tensioner body It adjusts and shakes caused by movement, secondary spring and baffle do not work to the use state of stretcher, if do not installed secondary spring And baffle, other component, which is only completed assembly, can be used to install and use with lifter.

After attached stretcher assembly shown in FIG. 1 is installed on lifter, secondary spring and baffle be can be taken off, tensioning boby two by When to upward thrust, the boss of tensioning boby one along support protective case the axial movement of vertical guide groove, the helicoid of tensioning boby one with Support the spiral groove of protective case to realize threaded engagement, thus will be stretched on straight line that tensioning boby one, two stress of tensioning boby carry out in advance or Descending motion is converted into rotary motion, one helicoid rotation direction of tensioning boby as shown in Fig. 1, and straight line descending motion is converted into the inverse time Needle rotary motion only allows clockwise at this point, the vertical guide groove of the boss of tensioning boby one and support protective case hinders rotation counterclockwise Rotation, i.e. limitation stretcher is only capable of one-way movement, stretcher is prevented to compress, so that descending spacing is realized, so that stretcher is realized Instantaneous stretching tensioning is completed automobile door pane and is instantaneously opened.

Spring one on tensioning boby one provides stretcher main regulation amplitude, support protective case length and tensioning boby one, Tight body two, which constitutes installation initial position length difference, should be greater than required adjustable distance, guarantee that the internal structure of stretcher assembly is in always It supports in protective case, realizes whole process protection.It can be according to the use demand of stretcher product, in the boss for guaranteeing tensioning boby one along branch Support the premise of the spiral groove threaded engagement of the vertical guide groove axial movement of protective case, the helicoid of tensioning boby one and support protective case Under, tensioning boby two, spring two, lower cushion block, secondary spring, baffle are not used, only by tensioning boby one, spring one, upper cushion block and branch It supports protective case cooperation and realizes stretcher one-way movement；Similarly, can also between attached tensioning boby one shown in Fig. 2 and tensioning boby two, Increase tensioning boby quantity and corresponding spring, cushion block, according to the amplitude of accommodation of use demand flexible modulation stretcher, realizes real-time It changes.

Stretcher of the present invention realizes stretcher simple tension, sufficiently solves automobile door pane not by unidirectional movement It can open in time, the problem that open time delay is improper, the stretcher aggregation degree is high, and flexible adjustment can be installed on lifting as needed It the guide rail of device, motor seat board and is series on wirerope, mounting means, installation site are flexible, occupy little space.