CN214396508U - Headrest guide sleeve locking structure, seat and vehicle - Google Patents
Headrest guide sleeve locking structure, seat and vehicle Download PDFInfo
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- CN214396508U CN214396508U CN202120408610.0U CN202120408610U CN214396508U CN 214396508 U CN214396508 U CN 214396508U CN 202120408610 U CN202120408610 U CN 202120408610U CN 214396508 U CN214396508 U CN 214396508U
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- headrest
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Abstract
The utility model relates to a seat part, in particular to a headrest guide sleeve locking structure, which comprises an installation shell (2), wherein headrest guide sleeves (4) are symmetrically arranged on the installation shell (2), each headrest guide sleeve (4) comprises a guide sleeve body, a locking piece which is matched with a clamping groove on a headrest rod (12) to lock or unlock the headrest rod (12) is slidably arranged on the guide sleeve body, and an elastic device is arranged between the locking piece and the guide sleeve body; be equipped with the installation cavity on installation casing (2), be equipped with unblock button (3) in the installation cavity, unblock button (3) are located between headrest guide pin bushing (4) of symmetry, are equipped with the elastic component between unblock button (3) and the installation cavity bottom, can realize unblock and locking through pressing and loosening unblock button (3). Furthermore, the utility model discloses still provide a seat and vehicle. The utility model discloses can effectively solve the problem that the fit clearance of headrest guide pin bushing unblock button operating space is not enough and the headrest guide pin bushing is uneven, produces the abnormal sound.
Description
Technical Field
The utility model relates to a seat spare part, in particular to headrest guide pin bushing locking structure. Furthermore, the utility model discloses still relate to a seat and vehicle.
Background
The headrest guide sleeve is one of the main functional parts of the automobile seat and gradually meets the requirements of the appearance of the seat, so the requirements of the functional parts and the appearance of the passenger automobile seat are gradually improved along with the rapid development of the automobile seat in recent years.
The up-and-down movement of the headrest assembly of most vehicle-type seats in the current market is realized by a headrest guide sleeve assembly mechanism, and the up-and-down movement or the pulling-out of the headrest is realized by adjusting a button on the headrest guide sleeve; in recent years, along with the continuous improvement of the configuration requirement of a vehicle type, the framework of the headrest assembly is required to be fixed in the headrest guide sleeve and not to be moved, and the upper end of the headrest is moved up and down in the area through the unlocking button of the headrest assembly, so that the use requirements of different people are met. Meanwhile, in order to improve the overall appearance quality of the seat, the lower end of the headrest is required to be a U-shaped plastic part as a decorative part fixed on the upper surface of the seat back.
The existing headrest guide sleeve is of two independent headrest guide sleeve structures, one end of the existing headrest guide sleeve structure belongs to a driving side guide sleeve and has an unlocking function, the headrest assembly can be adjusted up and down after the headrest guide sleeve is unlocked through the driving side guide sleeve, and the other end guide sleeve belongs to a driven side guide sleeve and does not have a locking function. After the headrest is assembled, headrest guide pin bushing upper end cover exposes, if be "U" type molding in the middle of the backrest upper end, after this structure guide pin bushing assembly, if the lower extreme increases "U" type working of plastics, because the guide pin bushing end cover exposes, then there is not enough problem of operating space in initiative side headrest release button, and simultaneously, because the existence of passive side guide pin bushing, make to have the uneven problem in clearance in the cooperation of headrest guide pin bushing and "U" type working of plastics, and can lead to the headrest guide pin bushing to take place to rock owing to there being the clearance, thereby produce the abnormal sound. In addition, when the seat headrest is placed at the lowest position, the upper end cover of the headrest guide sleeve is exposed, the upper end cover of the guide sleeve can be seen from the rear end view angle of the seat, the lower surface of the headrest and the upper surface of the backrest cannot be attached, a gap exists, the seat headrest is not attractive in vision, and the appearance delicacy quality is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a headrest guide pin bushing locking structure can effectively solve the problem that the fit clearance of current headrest guide pin bushing unblock button operating space is not enough and the headrest guide pin bushing is uneven, produces the abnormal sound.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a headrest guide sleeve locking structure comprises a mounting shell, headrest guide sleeves are symmetrically arranged on the mounting shell, each headrest guide sleeve comprises a guide sleeve body, a locking piece which is matched with a clamping groove in a headrest rod to lock or unlock the headrest rod is slidably arranged on each guide sleeve body, and an elastic device is arranged between each locking piece and each guide sleeve body; the mounting shell is provided with a mounting cavity, an unlocking button is arranged in the mounting cavity and is positioned between the symmetrical headrest guide sleeves, an elastic piece is arranged between the unlocking button and the bottom of the mounting cavity, and the unlocking button can move relative to the bottom of the mounting cavity; when the unlocking button is pressed, the unlocking button can push the symmetrical locking pieces on the headrest guide sleeve to respectively move relative to the respective guide sleeve body towards the direction far away from the unlocking button, so that the locking pieces are separated from the clamping grooves on the headrest rod to realize unlocking; when the unlocking button is released, the locking piece can reset under the elastic action of the elastic device so as to be clamped with the clamping groove to realize locking.
Furthermore, the head of the guide sleeve body is positioned in the installation cavity, and the rod part of the guide sleeve body extends out of the installation cavity.
Further, sliders are symmetrically arranged at two ends of the unlocking button, when the unlocking button is pressed, the unlocking button can push the symmetrical sliders to move towards the direction far away from the unlocking button, and the symmetrical sliders can push the symmetrical locking pieces on the headrest guide sleeve to move towards the direction far away from the unlocking button relative to the guide sleeve body.
Furthermore, the two end faces of the unlocking button are inclined planes which are inclined from top to bottom in the direction away from the sliding block, and each inclined plane is matched and abutted with the corresponding end face of the sliding block.
Furthermore, the installation casing includes upper casing and lower casing that can dismantle fixed connection, form between upper casing and the lower casing the installation cavity, be equipped with on the casing down and be used for the first perforation that the pole portion of headrest guide pin bushing stretches out, be equipped with on the upper casing and be used for the second perforation that the headrest pole passed, first perforation and second perforation are located the same axis, still be equipped with the unblock button via hole on the upper casing.
Further, the headrest guide sleeve further comprises a guide sleeve button blocking cover, the locking piece and the guide sleeve button blocking cover are connected into a whole, a plug-in mounting hole used for inserting the headrest rod is formed in the guide sleeve body, a containing cavity communicated with the plug-in mounting hole is formed in the head of the guide sleeve body, an opening is formed in one side of the containing cavity, the guide sleeve button blocking cover and the locking piece are slidably mounted in the containing cavity along the direction perpendicular to the axis of the plug-in mounting hole, the elastic device is arranged between the guide sleeve button blocking cover and the containing cavity, and the guide sleeve button blocking cover faces towards the open end, and a protruding portion protruding out of the external force receiving portion of the guide sleeve body is arranged at one end of the opening.
Furthermore, the other end of the guide sleeve button plug cover is provided with an anti-falling part, the head of the guide sleeve body is provided with an anti-falling hole, and at least part of the anti-falling part is clamped in the anti-falling hole; the guide sleeve button plug cover is characterized in that a through hole is formed in the guide sleeve button plug cover, when the guide sleeve button plug cover is installed in the containing cavity, the through hole is communicated with the insertion hole, and the locking piece is fixed on one side of the through hole, which is far away from the external force bearing part.
Furthermore, outer convex parts are respectively formed on two sides of the guide sleeve button plugging cover, the elastic device is guide sleeve springs respectively arranged on two sides of the insertion hole, one end of each guide sleeve spring abuts against the corresponding outer convex part, and the other end of each guide sleeve spring is arranged on the inner wall of the accommodating cavity corresponding to the outer convex part.
Compared with the prior art, headrest guide pin bushing locking structure have following advantage:
headrest guide pin bushing locking structure unblock when can realize both sides headrest guide pin bushing and headrest pole through pressing down unlocking button, make the headrest reciprocate in the back skeleton and realize the final regulation of headrest, perhaps extract so that after-sales maintenance from the back skeleton, because unlocking button is located between two headrest guide pin bushings, can thoroughly avoid the not enough problem in original headrest guide pin bushing unlocking button operating space, and simple structure, and convenient for operation, through an unblock action alright realize the purpose of bilateral unblock, and because two headrest guide pin bushings all with headrest pole locking, can effectively avoid the problem that the clearance that exists is uneven and produce the abnormal sound on the cooperation of headrest guide pin bushing and installation casing, thereby can satisfy passenger's travelling comfort requirement.
Another object of the utility model is to provide a seat to solve the problem that the headrest guide pin bushing unblock button operating space of current seat is not enough and the fit clearance of headrest guide pin bushing is uneven, produce the abnormal sound.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a seat is provided with foretell headrest guide pin bushing locking structure.
And simultaneously, the utility model also provides a vehicle, the vehicle is provided with foretell seat.
The advantages of the seat and the vehicle are the same as those of the headrest guide sleeve locking structure in comparison with the prior art, and are not repeated herein.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a headrest guide sleeve locking structure according to an embodiment of the present invention;
fig. 2 is an exploded view of a headrest guide sleeve locking structure according to an embodiment of the present invention;
fig. 3 is an explosion diagram of the headrest guide sleeve in the headrest guide sleeve locking structure according to the embodiment of the present invention (the head of the guide sleeve body is provided with a head protecting cover);
fig. 4 is a schematic structural view of a guide sleeve button blanking cap in the headrest guide sleeve locking structure according to the embodiment of the present invention;
fig. 5 is a schematic view of a head structure of a guide sleeve body in the headrest guide sleeve locking structure according to the embodiment of the present invention;
fig. 6 is an installation cross-sectional view of a headrest guide sleeve locking structure according to an embodiment of the present invention;
fig. 7 is an enlarged schematic structural view of the headrest guide sleeve locking structure in fig. 6;
FIG. 8 is an enlarged schematic view of the structure at A in FIG. 6 (with the headrest rods in a locked state);
FIG. 9 is an enlarged schematic view of the headrest rod at A in FIG. 6 (the headrest rod is in an unlocked state);
fig. 10 is a schematic view of an installation structure of a headrest guide sleeve locking structure according to an embodiment of the present invention.
Description of reference numerals:
1 headrest 11 headrest button
12 headrest rod 2 mounting shell
21 second through hole of upper shell 211
212 unlocking button via hole 213 catch
22 lower shell 221 first through hole
222 slide rail 223 slot
3 unlocking button 31 pressing part
32 support 4 headrest guide sleeve
41 head 411 accommodating cavity
4111 anti-drop hole of sliding rail 412 for plugging
413 guide sleeve spring mounting hole 42 rod part
43 inserting hole 44 guide sleeve button blanking cover
441 external force receiving part 442 convex part
443 cover the via hole 444 anti-slip part
45 locking rod 46 guide sleeve spring
5 pressure spring 6 slide block
61 chute 7 slide block spring
8 backrest frame
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a headrest guide sleeve locking structure, which comprises an installation shell 2, a headrest guide sleeve 4 is symmetrically arranged on the installation shell 2, the headrest guide sleeve 4 comprises a guide sleeve body, a locking piece which is matched with a clamping groove on a headrest rod 12 to lock or unlock the headrest rod 12 is slidably arranged on the guide sleeve body, and an elastic device is arranged between the locking piece and the guide sleeve body; an installation cavity is formed in the installation shell 2, an unlocking button 3 is arranged in the installation cavity, the unlocking button 3 is located between the symmetrical headrest guide sleeves 4, an elastic piece is arranged between the unlocking button 3 and the bottom of the installation cavity, and the unlocking button 3 can move relative to the bottom of the installation cavity; when the unlocking button 3 is pressed, the unlocking button 3 can push the symmetrical locking pieces on the headrest guide sleeve 4 to respectively move relative to the respective guide sleeve body towards the direction far away from the unlocking button 3, so that the locking pieces are separated from the clamping grooves on the headrest rod 12 to realize unlocking; when the unlocking button 3 is released, the locking piece can reset under the elastic action of the elastic device so as to be clamped with the clamping groove to realize locking.
The utility model discloses headrest guide pin bushing locking structure, unblock when can realize both sides headrest guide pin bushing 4 and headrest pole 12 through pressing unlock button 3, make headrest 1 can reciprocate in back skeleton 8 and realize the final regulation of headrest 1, perhaps extract so that after sale is maintained from back skeleton 8, because unlock button 3 is located between two headrest guide pin bushings 4, can thoroughly avoid the not enough problem in original headrest guide pin bushing unlock button operating space, and simple structure, high durability and convenient operation, through an unblock action alright realize the purpose of bilateral unblock, and because two headrest guide pin bushings 4 all with headrest pole 12 locking, can effectively avoid the uneven problem that produces the abnormal sound in clearance that exists on the cooperation of headrest guide pin bushing 4 and installation casing 2, thereby can satisfy passenger's travelling comfort requirement.
In this embodiment, as shown in fig. 1, 6, 7 and 10, the head 41 of the guide sleeve body is located in the installation cavity, and the rod 42 thereof extends out of the installation cavity, so that the head 41 of the headrest guide sleeve 4 can be hidden and prevented from being exposed, when the headrest 1 is placed at the lowest position, the headrest 1 and the seat back can be in gapless fit, and the overall appearance quality of the seat can be improved. The mounting shell 2 can be designed into a U shape and is a plastic decoration part, and is fixed on the backrest framework 8 so as to be matched with the U-shaped shape in the middle of the upper end of the seat backrest. As shown in fig. 2, the mounting housing 2 includes an upper housing 21 and a lower housing 22 detachably and fixedly connected, and the mounting cavity is formed between the upper housing 21 and the lower housing 22. The upper housing 21 and the lower housing 22 are preferably fixed by clamping, a buckle 213 is provided at the bottom of the upper housing 21, a slot 223 matched with the buckle 213 is provided at the upper end of the lower housing 22, and in addition, the upper housing 21 and the lower housing 22 can be connected together by bolts or other detachable fixing structures. In addition, a first through hole 221 for the rod portion 42 of the headrest guide sleeve 4 to extend out is formed in the lower shell 22, a second through hole 211 for the headrest rod 12 to pass through is formed in the upper shell 21, the first through hole 221 and the second through hole 211 are located on the same axis, and an unlocking button through hole 212 is further formed in the upper shell 21, so that the upper surface of the unlocking button 3 can be exposed, and the unlocking button 3 can be conveniently pressed. Wherein, the upper surface of the unlocking button 3 is preferably flush with the upper surface of the upper shell 21, so that the appearance is not easy to be perceived, and the overall appearance quality of the seat can be further improved.
In this embodiment, the two ends of the unlocking button 3 are symmetrically provided with the sliders 6, when the unlocking button 3 is pressed, the unlocking button 3 can push the symmetrical sliders 6 to move towards the direction far away from the unlocking button 3, and the symmetrical sliders 6 can push the symmetrical locking pieces on the headrest guide sleeve 4 to move towards the direction far away from the unlocking button 3 relative to the respective guide sleeve body. Specifically, as shown in fig. 2, the unlocking button 3 includes a pressing portion 31 and a supporting portion 32 formed at the bottom of the pressing portion 31, two end faces of the supporting portion 32 are inclined planes which are inclined from top to bottom in a direction away from the slider 6, and each inclined plane is matched and abutted with the end face of the corresponding slider 6, so that when the unlocking button 3 is pressed downward, the symmetrical sliders 6 can be pushed to move in a direction away from the unlocking button 3, and the locking members on the symmetrical headrest guide sleeves 4 are pushed to move relative to the respective guide sleeve bodies in a direction away from the unlocking button 3, so that the locking members are separated from the clamping grooves on the headrest rods 12 to achieve unlocking. Wherein, be equipped with between release button 3's supporting part 32 and the installation cavity bottom the elastic component, the elastic component is pressure spring 5, for the ease of the installation of pressure spring 5, is equipped with the recess in release button 3's supporting part 32 bottom to be equipped with the installation boss in installation cavity bottom, be equipped with the installation boss promptly on casing 22 down, a pot head of pressure spring 5 is established on the installation boss, other end butt is in the recess, thereby installs pressure spring 5 between release button 3 and casing 22 down. Of course, the elastic member may be other structure elastically disposed between the support portion 32 of the unlock button 3 and the bottom of the mounting cavity.
Furthermore, two slider springs 7 are connected between the symmetrical sliders 6, the two slider springs 7 are respectively positioned at two sides of the unlocking button 3, and slider spring mounting holes are formed in the corresponding surfaces of the symmetrical sliders 6, so that the slider springs 7 can be conveniently mounted between the symmetrical sliders 6; the bottom of the installation cavity, namely the lower shell 22, is symmetrically provided with slide rails 222, and the bottom of each slide block 6 is provided with a slide groove 61 matched with the slide rail 222, so that the slide block 6 can stably slide in the installation cavity. The slide rails 222 may be provided at the bottom of each slider 6, and correspondingly, the slide grooves 61 may be provided at the bottom of the mounting cavity.
In this embodiment, as shown in fig. 3 and 4, the headrest guide sleeve 4 further includes a guide sleeve button blocking cover 44, the locking member is connected with the guide sleeve button blocking cover 44 as a whole, the guide sleeve body is provided with an insertion hole 43 for inserting the headrest rod 12, the head 41 of the guide sleeve body is provided with an accommodating cavity 411 communicated with the insertion hole 43, one side of the accommodating cavity 411 is provided with an opening, the guide sleeve button blocking cover 44 and the locking member are slidably mounted in the accommodating cavity 411 along a direction perpendicular to an axis of the insertion hole 43, an elastic device is disposed between the guide sleeve button blocking cover 44 and the accommodating cavity 411, one end of the guide sleeve button blocking cover 44 facing the opening is provided with an external force receiving portion 441 protruding from the guide sleeve body, the external force receiving portion 441 is configured to receive an external force to push the guide sleeve button blocking cover 44 and the locking member to move relative to the guide sleeve body, when the slide blocks 6 are symmetrically arranged at the two ends of the unlocking button 3, the external force receiving part 441 is abutted against the slide blocks 6. When the unlocking button 3 is pressed, as shown in fig. 9, the unlocking button 3 can push the symmetrical sliders 6 to move respectively in a direction away from the unlocking button 3, and the symmetrical sliders 6 can push the external force bearing parts 441 corresponding thereto, so that the whole guide sleeve button blocking cover 44 can move relative to the guide sleeve body, and further the locking piece can move relative to the guide sleeve body, so that the locking piece is separated from the clamping groove on the headrest rod 12 to realize unlocking; when the unlocking button 3 is released, as shown in fig. 8, the unlocking button 3 is reset under the elastic force of the elastic member, and the guide sleeve button blocking cover 44 is reset under the elastic force of the elastic device without the pushing action of the unlocking button 3, so that the locking member is reset, and is clamped with the clamping groove to realize locking. The locking member may be a locking rod 45 or a locking block. Of course, the slider 6 may not be disposed between the unlocking button 3 and the headrest guide sleeve 4, and both ends of the unlocking button 3 are respectively abutted to the external force receiving portions 441 of the headrest guide sleeve 4 at the corresponding ends, and the locking member can be pushed to move by pressing the unlocking button 3, so as to achieve unlocking.
Further, as shown in fig. 3 to 5, the other end of the guide sleeve button cover 44 is provided with a retaining portion 444, the head 41 of the guide sleeve body is provided with a retaining hole 412, and the retaining portion 444 is at least partially clamped in the retaining hole 412. The anti-drop hole 412 is a strip-shaped hole, so that the anti-drop part 444 can move in the strip-shaped hole, and the guide sleeve button blocking cover 44 can move relative to the guide sleeve body conveniently; the anti-slip portion 444 is preferably a hook-shaped structure integrally formed on the guide sleeve button block 44, so that the processing and assembly are more convenient. In addition, a blocking cover through hole 443 is formed in the guide sleeve button blocking cover 44, when the guide sleeve button blocking cover 44 is installed in the accommodating cavity 411, the blocking cover through hole 443 is communicated with the insertion hole 43, so that the headrest rod 12 can pass through the blocking cover through hole 443, the blocking cover through hole 443 is larger than the insertion hole 43, so that the headrest rod 12 cannot interfere with the movement of the guide sleeve button blocking cover 44 relative to the guide sleeve body, and the locking member is fixed on the side, away from the external force receiving part 441, of the blocking cover through hole 443, so that the locking and unlocking of the locking member and the clamping groove are facilitated. Furthermore, in order to promote the aesthetic feeling of outward appearance, headrest guide sleeve 4 still includes the head protecting cover, is equipped with the protecting cover via hole that is used for headrest pole 12 to pass in the intermediate position of head protecting cover, and the head 41 joint of head protecting cover and guide sleeve body is in the same place.
Further, the guide sleeve button blocking cover 44 is formed with outward protruding portions 442 on both sides thereof, the elastic means are guide sleeve springs 46 respectively disposed on both sides of the insertion hole 43, one end of each guide sleeve spring 46 abuts against the corresponding outward protruding portion 442, and the other end is disposed on the inner wall of the accommodating cavity 411 corresponding to the outward protruding portion 442. In order to facilitate the installation of the guide sleeve spring 46, guide sleeve spring installation holes 413 are formed in the inner wall, corresponding to the outer convex portions 442, of the accommodating cavity 411, the guide sleeve spring installation holes 413 are symmetrically arranged on two sides of the insertion hole 43, the axial direction of the symmetrical guide sleeve spring installation holes 413 extends along the sliding direction of the guide sleeve button blocking cover 44, one end of each guide sleeve spring 46 abuts against the corresponding outer convex portion 442, and the other end of each guide sleeve spring 46 is installed in the guide sleeve spring installation hole 413, so that the guide sleeve button blocking cover 44 can slide smoothly and stably relative to the guide sleeve body. In addition, the elastic device may be another structure elastically disposed between the guide sleeve button block cover 44 and the receiving cavity 411. In addition, be equipped with blanking cover slide rail 4111 in holding chamber 411, correspondingly, be equipped with in guide pin bushing button blanking cover 44 bottom with blanking cover slide rail 4111 matched with blanking cover spout to be favorable to the steady for the guide pin bushing body of guide pin bushing button blanking cover 44 to slide, of course, blanking cover slide rail 4111 also can set up in guide pin bushing button blanking cover 44 bottom, and the blanking cover spout sets up in holding chamber 411.
When the utility model is installed, as shown in fig. 10, the pressure spring 5 is firstly sleeved on the installation boss of the lower shell 22, then an unlocking button 3 is installed, a groove at the bottom of the unlocking button 3 compresses a pressure spring 5, symmetrical sliding blocks 6 are installed on a lower shell 22 from two sides respectively, so that the slide groove 61 at the bottom of each slide 6 is mounted on the slide rail 222 of the lower case 22, and each slide 6 is mounted, one ends of two slider springs 7 are inserted into the slider spring mounting hole of one of the sliders 6 in advance, after the two sliding blocks 6 are assembled in place, the other ends of the two sliding block springs 7 are inserted into the sliding block spring mounting holes of the other sliding block 6, then the lower shell 22 is fixed on the backrest framework 8 through self-tapping screws, and then the rod parts 42 of the two headrest guide sleeves 4 penetrate through the lower shell 22 and are inserted into the backrest framework guide pipe and are fixed through clamping; finally, the upper shell 21 and the lower shell 22 are clamped in place to realize final assembly; the headrest pole 12 of headrest 1 can insert the headrest guide pin bushing 4 this moment, and draw-in groove and locking piece joint on the headrest pole 12 target in place, then assembly of headrest 1 targets in place, and accessible headrest button 11 realizes that headrest 1 self sleeps with regional reciprocating this moment. Wherein the guide sleeve button closure 44, the guide sleeve spring 46 and the locking piece are assembled in place with the guide sleeve body in advance when the headrest guide sleeve 4 is installed.
To sum up, the utility model discloses a set up headrest guide pin bushing locking structure, through once unblock action can realize the purpose of bilateral unblock, simple structure, convenient operation can thoroughly avoid the problem that original headrest guide pin bushing unblock button operating space is not enough to can effectively avoid the headrest guide pin bushing 4 with install the problem that the clearance that exists is uneven and produce the abnormal sound on the cooperation of casing 2, thus can satisfy passenger's travelling comfort requirement; meanwhile, a U-shaped decoration part can be arranged, and the head part 41 of the headrest guide sleeve 4 is hidden, so that the headrest 1 and the seat backrest can be in gapless fit, and the overall appearance quality of the seat is improved.
Another object of the utility model is to provide a seat, the seat is provided with foretell headrest guide pin bushing locking structure.
And simultaneously, the utility model also provides a vehicle, the vehicle is provided with foretell seat.
The advantages of the seat and the vehicle are the same as those of the headrest guide sleeve locking structure in comparison with the prior art, and are not repeated herein.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A headrest guide sleeve locking structure is characterized by comprising a mounting shell (2), headrest guide sleeves (4) are symmetrically arranged on the mounting shell (2), each headrest guide sleeve (4) comprises a guide sleeve body, a locking piece which is matched with a clamping groove in a headrest rod (12) to lock or unlock the headrest rod (12) is slidably arranged on each guide sleeve body, and an elastic device is arranged between each locking piece and each guide sleeve body; an installation cavity is formed in the installation shell (2), an unlocking button (3) is arranged in the installation cavity, the unlocking button (3) is located between the symmetrical headrest guide sleeves (4), an elastic piece is arranged between the unlocking button (3) and the bottom of the installation cavity, and the unlocking button (3) can move relative to the bottom of the installation cavity;
when the unlocking button (3) is pressed, the unlocking button (3) can push the locking pieces on the symmetrical headrest guide sleeves (4) to respectively move relative to the respective guide sleeve bodies in the direction far away from the unlocking button (3), so that the locking pieces are separated from the clamping grooves on the headrest rods (12) to realize unlocking; when the unlocking button (3) is released, the locking piece can reset under the elastic action of the elastic device so as to be clamped with the clamping groove to realize locking.
2. The headrest guide sleeve locking structure as claimed in claim 1, wherein said guide sleeve body has a head portion (41) located in said mounting cavity and a rod portion (42) extending out of said mounting cavity.
3. The headrest guide sleeve locking structure as claimed in claim 1, wherein sliders (6) are symmetrically arranged at two ends of the unlocking button (3), when the unlocking button (3) is pressed, the unlocking button (3) can push the symmetrical sliders (6) to respectively move towards a direction far away from the unlocking button (3), and the symmetrical sliders (6) can push the locking pieces on the symmetrical headrest guide sleeve (4) to respectively move towards a direction far away from the unlocking button (3) relative to the respective guide sleeve body.
4. The headrest guide sleeve locking structure as claimed in claim 3, wherein both end faces of the unlocking button (3) are inclined faces inclined from top to bottom in a direction away from the slider (6), and each inclined face is in fit abutment with the end face of the corresponding slider (6).
5. The headrest guide sleeve locking structure according to claim 1, wherein the mounting housing (2) includes an upper housing (21) and a lower housing (22) which are detachably and fixedly connected, the mounting cavity is formed between the upper housing (21) and the lower housing (22), a first through hole (221) for the rod portion (42) of the headrest guide sleeve (4) to extend out is formed in the lower housing (22), a second through hole (211) for the headrest rod (12) to pass through is formed in the upper housing (21), the first through hole (221) and the second through hole (211) are located on the same axis, and an unlocking button through hole (212) is further formed in the upper housing (21).
6. The headrest guide lock structure as claimed in any one of claims 1 to 5, the headrest guide sleeve (4) also comprises a guide sleeve button blocking cover (44), the locking piece and the guide sleeve button blocking cover (44) are connected into a whole, the guide sleeve body is provided with an insertion hole (43) for inserting the headrest rod (12), the head (41) of the guide sleeve body is provided with an accommodating cavity (411) communicated with the insertion hole (43), an opening is arranged on one side of the accommodating cavity (411), the guide sleeve button blocking cover (44) and the locking piece are slidably installed in the accommodating cavity (411) along the direction vertical to the axis of the inserting hole (43), the elastic device is arranged between the guide sleeve button blocking cover (44) and the containing cavity (411), and an external force bearing part (441) protruding out of the guide sleeve body is arranged at one end, facing the opening, of the guide sleeve button blocking cover (44).
7. The headrest guide sleeve locking structure as claimed in claim 6, wherein the other end of said guide sleeve button block cover (44) is provided with a coming-off preventing portion (444), the head portion (41) of said guide sleeve body is provided with a coming-off preventing hole (412), and said coming-off preventing portion (444) is at least partially caught in said coming-off preventing hole (412); a blocking cover through hole (443) is further formed in the guide sleeve button blocking cover (44), when the guide sleeve button blocking cover (44) is installed in the accommodating cavity (411), the blocking cover through hole (443) is communicated with the insertion hole (43), and the locking piece is fixed on one side, far away from the external force receiving part (441), of the blocking cover through hole (443).
8. The headrest guide locking structure as claimed in claim 6, wherein the guide button cover (44) is formed at both sides thereof with outward protrusions (442), the elastic means are guide springs (46) respectively provided at both sides of the insertion hole (43), one end of each guide spring (46) abuts against the corresponding outward protrusion (442), and the other end is provided on an inner wall of the accommodation chamber (411) corresponding to the outward protrusion (442).
9. A seat characterized in that it is provided with the headrest guide sleeve locking structure as claimed in any one of claims 1 to 8.
10. A vehicle, characterized in that the vehicle is provided with a seat according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408610.0U CN214396508U (en) | 2021-02-24 | 2021-02-24 | Headrest guide sleeve locking structure, seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408610.0U CN214396508U (en) | 2021-02-24 | 2021-02-24 | Headrest guide sleeve locking structure, seat and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396508U true CN214396508U (en) | 2021-10-15 |
Family
ID=78026331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120408610.0U Active CN214396508U (en) | 2021-02-24 | 2021-02-24 | Headrest guide sleeve locking structure, seat and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338414A (en) * | 2023-05-31 | 2023-06-27 | 哈尔滨工业大学 | Micro-LED mass transfer electric performance testing device and testing method |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338414A (en) * | 2023-05-31 | 2023-06-27 | 哈尔滨工业大学 | Micro-LED mass transfer electric performance testing device and testing method |
| CN116338414B (en) * | 2023-05-31 | 2023-08-04 | 哈尔滨工业大学 | Micro-LED mass transfer electric performance testing device and testing method |
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Effective date of registration: 20230328 Address after: No. 15-21, Century Avenue, Economic Development Zone, Huaiyuan County, Bengbu City, Anhui Province, 233499 Patentee after: Nobo automobile rubber and plastic (Anhui) Co.,Ltd. Address before: No.2288 Chaoyang South Street, Lianchi District, Baoding City, Hebei Province 071033 Patentee before: NOBO AUTOMOTIVE SYSTEM Co.,Ltd. |
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