CN107791914B - Two-way adjusting button type automobile seat headrest - Google Patents
Two-way adjusting button type automobile seat headrest Download PDFInfo
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- CN107791914B CN107791914B CN201710806749.9A CN201710806749A CN107791914B CN 107791914 B CN107791914 B CN 107791914B CN 201710806749 A CN201710806749 A CN 201710806749A CN 107791914 B CN107791914 B CN 107791914B
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- headrest
- locking
- push block
- driven
- pushing block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a two-way adjusting button type automobile seat headrest, which comprises a headrest rod, wherein the headrest rod is provided with locking clamping grooves which are vertically distributed; the headrest shell is sleeved on the headrest rod and can slide up and down along the headrest rod; the lifting adjusting locking component is positioned in the headrest shell and is used for being matched with the locking clamping groove to lock or unlock the headrest shell on the headrest rod; and the button is positioned at the outer side of the headrest shell and used for triggering the lifting adjustment locking assembly. By adopting the structure, the lifting adjustment can be more convenient for a user, meanwhile, the structure is novel and compact, the lifting adjustment is stable and reliable, the implementation is convenient, the two sides of the headrest shell can be simultaneously locked on the headrest rod through the lifting adjustment locking assembly, or after the headrest shell is unlocked, the lifting adjustment is performed, the occupied space for unlocking is saved, the adjustment flexibility and the installation efficiency are improved, and the performance is good.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to a two-way adjusting button type automobile seat headrest.
Background
The automobile seat headrest is positioned at the upper part of the automobile seat to play roles in supporting the head of an occupant and relieving fatigue, and more importantly, plays a role in protecting the neck of the occupant from damage when a collision accident occurs. According to different sizes of different people, the seat headrest needs to be adjusted to a proper height to protect the head and the neck of a passenger, so the headrest generally has two adjustment directions, the lifting and lowering two-way adjusting mechanism is generally controlled by a push block, a locking plate and other structures which are horizontally arranged, the stability of the locking assembly and the structures of the push block and other parts which form the locking assembly are all direct influences on the stability and the reliability of the two-way adjusting performance of the seat headrest, the two-way locking assembly on the market is complex in installation, the installation efficiency is low, the stability is poor in the subsequent use process, the required space is larger in the unlocking process, namely the required headrest shell is larger, the compactness is poor, and in addition, only one side of a headrest rod is generally unlocked, so that the headrest is not flexible to adjust and easy to be blocked, the headrest performance is poor, the common two-way headrest is unlocked at the top of a backrest of the seat, the headrest is separated from the headrest, the headrest needs to be adjusted by reverse hands or even repeatedly turned, and the headrest is inconvenient for many users even can not know the headrest can be adjusted.
Disclosure of Invention
In order to solve the technical problems, the invention provides the two-way adjusting button type automobile seat headrest, which improves the stability and flexibility of seat headrest adjustment and assembly efficiency and is convenient for drivers and passengers to adjust.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a two-way adjusting button type automobile seat headrest is characterized by comprising
The headrest rod is provided with locking clamping grooves which are distributed vertically;
the headrest shell is sleeved on the headrest rod and can slide up and down along the headrest rod;
the lifting adjusting locking component is positioned in the headrest shell and is used for being matched with the locking clamping groove to lock or unlock the headrest shell on the headrest rod;
and the button is positioned at the outer side of the headrest shell and used for triggering the lifting adjustment locking assembly.
By adopting the structure, the locking and unlocking of the headrest shell are realized rapidly through the lifting adjusting locking assembly and the button, so that the lifting adjustment of the headrest is realized, the structure is simple and compact, the reliability is good, the number of parts is small, the occupied space is small, the lifting adjustment range and the adjustment flexibility of the headrest can be effectively increased, the performance of the headrest is improved, and a driver and a passenger can more conveniently adjust the headrest through the button, so that the headrest has an explicit effect on a user.
As preferable: the lifting adjusting locking assembly comprises a base body, a driving pushing block and a driven pushing block, wherein the driving pushing block and the driven pushing block are used for unlocking the headrest rod, and an intermediate linkage piece is arranged between the driving pushing block and the driven pushing block;
the two ends of the base body are respectively provided with a first mounting hole and a second mounting hole for mounting the headrest rod, and the first mounting hole and the second mounting hole penetrate through the upper surface and the lower surface of the base body;
the base body is provided with mounting cavities penetrating through two ends of the base body along the length direction of the base body, the mounting cavities are communicated with the first mounting holes and the second mounting holes, the driving push block and the driven push block are arranged in the mounting cavities in a sliding mode, the driving push block is supported on the base body through elastic pieces, and the elastic pieces apply force to the driving push block in the direction that the headrest shell is locked to the headrest rod;
when the driving pushing block is close to or far away from the driven pushing block, the driven pushing block is correspondingly close to or far away from the driving pushing block under the action of the middle linkage piece.
By adopting the structure, the headrest is unlocked and locked at the two sides of the headrest rod through the middle linkage piece, the flexibility of the headrest is improved, and the driving pushing block and the driven pushing block are of a structure, so that the installation is more programmed, and the driving pushing block and the driven pushing block are both positioned in the installation cavity, thereby reducing shaking errors and being beneficial to improving the performance stability of the locking assembly.
As preferable: the two side walls of the mounting cavity are provided with wedge-shaped cards protruding inwards, one end of the driving push block, which is close to the driven push block, and one end of the driven push block, which is close to the driving push block, are respectively provided with a first in-place clamping groove and a second in-place clamping groove which are matched with the wedge-shaped cards;
the first clamping groove that targets in place is equipped with first groove of stepping down at the rear, and the second clamping groove that targets in place is equipped with the second groove of stepping down at the rear.
Through the clear indication of draw-in groove in place, the position of initiative ejector pad and driven ejector pad is installed according to the position during the installation to be favorable to improving the installation accuracy, and improve installation effectiveness, guarantee middle linkage installation accuracy, prevent to lead to gear assembly dislocation because of the human factor, make headrest unblock inefficacy.
As preferable: one end of the driving pushing block is provided with a first matching part matched with the middle linkage piece, and one end of the driven pushing block is provided with a second matching part matched with the middle linkage piece; the middle linkage piece is a gear, a first rack structure is arranged on the first matching part, and a second rack structure is arranged on the second matching part.
By adopting the structure, through the gear and rack structure, the cooperation between the driving pushing block and the middle linkage piece and between the driven pushing block and the middle linkage piece is more stable, which is favorable for improving the performance stability of the unlocking mechanism and is not easy to fall off, slip and other conditions.
As preferable: the width of installation cavity suits with initiative ejector pad and driven ejector pad, and installation cavity both sides wall upper portion all distributes along its width direction inwards convex protruding portion, the upper surface of initiative ejector pad and driven ejector pad at least with one of them homonymy protruding lower surface butt. By adopting the structure, two slide ways are formed between the protruding parts on two sides and the bottom of the installation cavity, and the driving push block and the driven push block just slide along one slide way when sliding, so that the sliding offset distance of the driving push block and the driven push block is limited, deflection is prevented, the sliding stability of the push block is further improved, and the performance stability of the locking assembly is improved.
As preferable: the driving push block is provided with a first headrest rod through hole at a position corresponding to the first mounting hole, a first locking plate is arranged in the first headrest rod through hole, the driven push block is provided with a second headrest rod through hole at a position corresponding to the second mounting hole, and a second locking plate is arranged in the second headrest rod through hole;
the first locking plate is positioned at one side of the first headrest rod through hole, which is close to the driven pushing block, and the second locking plate is positioned at one side of the second headrest rod through hole, which is close to the driving pushing block. The headrest rod through holes on two sides are matched with corresponding locking plates to lock or unlock two sides of the headrest rod simultaneously, the structure is simple, the realization is convenient, the adduction unlocking structure reduces the space required by the sliding stroke in the unlocking process, the overall compactness is improved, the headrest mechanism can be minimized, and the device has great use value.
As preferable: the headrest pole is integral type "n" shape structure, including two locking portions of vertical symmetry setting to and connect the connecting portion of two locking portion upper end tip, locking portion suits with first mounting hole and second mounting hole, locking draw-in groove is located two locking portion just to one side. The integrated headrest rod structure is adopted, so that the stability of the whole mechanism can be improved, the two sides of the headrest shell are simultaneously locked on the headrest rod, the stability of the headrest is further improved, the integrated headrest rod is installed more rapidly, and the service life of the integrated headrest rod can be prolonged relatively.
As preferable: the driving pushing block bottom is provided with a first supporting piece protruding downwards, the driven pushing block bottom is provided with a second supporting piece protruding downwards, the positions of the bottom of the installation cavity, corresponding to the first supporting piece and the second supporting piece, are respectively provided with a strip-shaped sinking groove, and the first supporting piece and the second supporting piece are made of elastic materials and are respectively embedded into the corresponding strip-shaped sinking grooves to be in butt joint with the bottoms of the first supporting piece and the second supporting piece. By adopting the structure, the headrest is driven to shake vertically in the driving process of the vehicle, the driving pushing block and the driven pushing block can be enabled to be more compact in contact with the base body through the supporting piece, abnormal noise of the pushing block caused by gaps is prevented, meanwhile, mutual abrasion between the gear rack and the rack caused by high-frequency vibration is prevented, transmission effectiveness is reduced until failure is caused, overall stability is further improved, and reliability of the locking assembly is guaranteed.
As preferable: the upper surfaces of the driving pushing block and the driven pushing block, which are close to two sides, are provided with ribs along the length direction, raised parts are distributed on the ribs along the length direction, and grease passages are arranged in the raised parts;
the lubricating grease channel penetrates through two sides of the protruding portion along the length direction of the convex rib, and two ends of the lubricating grease channel are respectively located at two sides of the width direction of the convex rib.
By adopting the structure, the lubricating grease can be stored, the uniformity of the lubricating grease on the contact plane of the driving push block, the driven push block and the matrix can be fully ensured, the long-term low friction force is kept, the smooth sliding is ensured, the flexibility of the locking or unlocking process is ensured, and the adjustment reliability is improved.
As preferable: the bottom of the base body is provided with an extending part which extends vertically downwards at the position corresponding to the first mounting hole and the second mounting hole, the extending parts are hollow structures, and a locking sleeve is arranged between the extending parts and the locking part. By adopting the structure, the headrest can play a certain supporting and fixing role on the headrest shell, is filled between the headrest rod and the extension part, avoids shaking caused by the installation clearance, and improves the stability of the headrest.
As preferable: the elastic piece is a spring, one end of the spring is connected with one end of the base body, which is close to the button touch plate, and the other end of the spring is connected with one end of the driving push block, which is close to the driven push block. By adopting the structure, the active pushing block and the matrix are connected through the spring, the structure is simple, the implementation is convenient, and the cost is lower.
For facilitating quick installation and matching of the lifting adjusting locking component and the headrest shell, the outer side wall of the base body is symmetrically provided with outwards protruding buckles.
Compared with the prior art, the invention has the beneficial effects that:
the two-way adjusting button type automobile seat headrest provided by the invention is convenient for a user to adjust, is novel in structure, stable and reliable, is convenient to implement, can lock two sides of a headrest shell onto a headrest rod simultaneously through the lifting adjusting locking component, or can be lifted and adjusted after being unlocked, saves the occupied space for unlocking, is beneficial to improving the adjusting flexibility and the installation efficiency of the headrest shell, and has good performance.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the embodiment of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is a schematic view of the headrest rod structure;
FIG. 6 is a schematic view of a lift adjustment locking assembly;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a schematic diagram of a base structure;
FIG. 9 is a top view of the substrate of FIG. 8;
FIG. 10 is a schematic diagram of an active pusher structure;
FIG. 11 is a top view of an active pusher;
FIG. 12 is an enlarged view of a portion of FIG. 11 at B;
FIG. 13 is a side view of an active pusher;
FIG. 14 is a schematic view of a driven pusher;
FIG. 15 is a top view of a driven pusher;
FIG. 16 is a side view of a driven pusher;
FIG. 17 is a schematic diagram illustrating the cooperation of a driving pusher and a driven pusher;
FIG. 18 is a diagram of the mounting of a master pusher and a slave pusher;
FIG. 19 is a diagram of the indication of the installation of the driving pusher and the driven pusher;
FIG. 20 is a diagram showing the completion of the assembly of the driving pusher and the driven pusher;
FIG. 21 is a schematic view of a locking sleeve structure;
FIG. 22 is a schematic view of the locking sleeve of FIG. 21 shown in an expanded configuration;
fig. 23 is a top view of the locking collar of fig. 21.
Detailed Description
The invention is further described below with reference to examples and figures.
Referring to fig. 1 to 23, the bi-directional adjusting button type car seat headrest of the present invention mainly comprises a headrest rod 7 and a headrest housing 8 sleeved on the headrest rod 7 and capable of sliding up and down along the headrest rod, wherein a lifting adjusting locking assembly is arranged in the headrest housing 8, the vertical relative position between the headrest housing 8 and the headrest rod 7 can be fixed or changed through the lifting adjusting locking assembly, namely, the headrest housing 8 is locked on the headrest rod 7 or unlocked, the lifting adjustment of the headrest is performed, a button 9 is arranged on the outer side of the headrest housing 8, and the lifting adjusting locking assembly can be controlled from the outside through the button 9 to work so as to complete the locking or unlocking action of the headrest housing 8.
As shown in fig. 1 to 5, in the present embodiment, the headrest rod 7 is generally in an integral "n" shaped metal round rod structure, which eliminates the structure of connecting two single rods in the market, so as to make the stability better, and includes two locking portions 71 symmetrically arranged, and a connecting portion 72 connecting the upper ends of the two locking portions 71, and the locking portions 71 and the connecting portion 72 are integrally formed, so that the strength of the headrest rod 7 and the overall stability of the headrest can be relatively increased;
as shown in the figure, the locking parts 71 are vertically arranged, and a certain included angle is formed between the upper part and the lower part of the locking parts, so that the headrest is convenient to install adaptively, locking clamping grooves 70 are symmetrically distributed at positions, close to the upper part, of the locking parts 71, the locking clamping grooves 70 are positioned on opposite inner side walls of the two locking parts 71, the locking clamping grooves are sink groove structures which are recessed inwards along the radial direction from the side wall surfaces of the locking clamping grooves, the side walls of the upper sides of the locking clamping grooves 70 incline outwards, and the side walls of the lower sides of the locking clamping grooves are in horizontal plane structures.
Referring to fig. 3 to 17, the lift adjustment lock assembly mainly includes a base 1 having a substantially rectangular plate-like structure, a driving pusher 2, a driven pusher 3, and an intermediate linkage 4;
as shown in the figure, the base 1 is arranged along the length direction of the headrest housing 8, the base 1 is provided with a mounting cavity 12 penetrating through the left and right ends of the base along the length direction, the middle of the mounting cavity 12 is open, the positions of the two ends of the base 1 corresponding to the two locking parts 71 are respectively provided with a first mounting hole 10 and a second mounting hole 11, the first mounting hole 10 and the second mounting hole 11 penetrate through the upper surface and the lower surface of the base 1, and meanwhile, the mounting cavity 12 is vertically penetrated;
the bottom of the base body 1 is provided with an extending part 15 which extends vertically downwards at the position corresponding to the first mounting hole 10 and the second mounting hole 11, the extending part 15 is of a hollow structure, the upper ends of the extending part 15 are respectively communicated with the corresponding mounting holes, the lower ends of the extending part are open, and the two locking parts 71 respectively penetrate through the corresponding first mounting hole 10 and the second mounting hole 11 and then penetrate out from the lower end of the lower extending part 15;
because the lower end of the locking portion 71 needs to be bent, when the headrest housing is installed, the apertures of the first installation hole 10 and the second installation hole 11 are required to be larger, so that the bent section of the locking portion 71 can pass through conveniently, and after the installation is completed, the locking sleeve 18 is embedded between the extending portion 15 and the locking portion 71 because the apertures are larger, so that the stability of the headrest housing 8 and the headrest rod 7 in the use process after the headrest housing is matched and installed is ensured.
Referring to the structure of the locking sleeve 18 shown in fig. 21 to 23, the locking sleeve 18 is made of flexible plastic and mainly comprises a reinforcing part 180 with a generally square structure and a guide part 181 extending vertically along the end part of the reinforcing part 180, wherein the guide part 181 is in a conical structure with a small upper part and a large lower part, the outer diameter of the guide part 181 is smaller than the minimum width of the reinforcing part 180, a step surface 182 is formed between the two parts, locking cavities 183 penetrating through the two ends of the locking sleeve 18 in the length direction are formed on the locking sleeve 18, locking blocks 184 are symmetrically distributed on the guide part 181 along the circumferential direction, and the locking blocks 184 are in an arc structure and protrude into the locking cavities 183;
the locking sleeve 18 can adopt a mode of surrounding two flaps, as shown in the figure, and consists of two symmetrical flaps, and the two flaps are hinged together through a soft hinge piece 185, so that after the headrest rod 7 is fixed to a seat during installation, the locking sleeve 18 is directly held up without moving, the locking sleeve 18 is not required to be sleeved in advance, the installation efficiency is further improved, and the later disassembly, maintenance and replacement are also convenient.
The wall thickness of the locking sleeve 18 is matched with the fit clearance between the extension part 15 and the locking part 71, the size of the locking cavity 183 is matched with the size of the headrest rod 7, after the base body 1 is installed, the locking sleeve 18 is locked, the guide part 181 is opposite to the extension part 15 and is inserted into the clearance between the extension part 15 and the locking part 71, the guide part 182 is forced to extend into the clearance between the extension part 15 and the locking part 71 completely until the lower end face of the extension part 15 is abutted with the step 182, and the locking block 184 has a reaction force on the extension part under the condition of being pressed, so that the locking sleeve 18 is tightly attached to the extension part 15 or the locking part 71, and shaking is not easy to happen.
Referring to fig. 6 to 17, protruding portions 14 are distributed near the upper portion of both side walls of the installation cavity 12, the protruding portions 14 extend horizontally inward in the width direction of the installation cavity 12, and the lower surfaces thereof respectively form two slide ways with the bottom wall of the installation cavity 12 facing each other.
Wedge-shaped cards 13 protruding horizontally inwards are arranged on the two side walls of the installation cavity 12 close to the middle, the two wedge-shaped cards 13 are arranged opposite to each other, and the vertical position of each wedge-shaped card 13 is located below the protruding portion 14.
The driving pushing block 2 and the driven pushing block 3 are basically identical in structure and are of plate-shaped structures, the thickness of the driving pushing block is matched with the height of a slideway formed between the protruding part 14 and the mounting cavity 12, the driving pushing block and the driven pushing block can slide in the corresponding slideway, and the width of the driving pushing block and the driven pushing block are matched with the width of the mounting cavity 12.
As shown in the figure, the position of the active push block 2 corresponding to the right locking portion 71 is provided with a first headrest rod via hole 24, a first locking piece 20 is arranged in the first headrest rod via hole, the other end of the active push block 2 is provided with a first matching portion 23 extending along the length direction of the first matching portion 23, the thickness of the first matching portion 23 is consistent with that of the active push block 2, the width of the first matching portion is smaller than that of the active push block 2, one side of the first matching portion 23 is flush with the active push block 2, the outer side (the side flush with the active push block 2) of the first matching portion 23 is provided with a first to-place clamping groove 21 and a first to-place clamping groove 22, the two are sink groove structures which are recessed inwards horizontally from the outer side surface of the first matching portion, the first to-place clamping groove 22 is closer to the first headrest rod via hole 24 than the first to-place clamping groove 21, the shape of the first to-place clamping groove 21 is matched with the wedge-shaped clamp 13, one side wall of the first to one side of the first to-place clamping groove 22 is inclined, and the first to one side of the first to-place clamping groove 22 is inclined, so that the first to enable the first to be easier to slide into the first to place clamping groove 22 to enter the first to place clamping groove 22.
The first locking plate 20 is located at one side of the first headrest rod via hole 24, which is close to the first matching portion 23, protrudes outwards along the radial direction of the first headrest rod via hole 24, is made of metal materials, is of a sheet-shaped structure, and compared with the locking plate with a traditional strip-shaped structure, in this embodiment, the contact plane between the locking plate and the locking clamping groove 70 is larger, so that locking stability can be improved, one side of the first locking plate 20, which is far away from the first matching portion 23 (namely, one side close to the locking clamping groove 70) is of an arc structure, so that necessary hardness can be ensured, meanwhile, the locking plate can enter the locking clamping groove 70 more easily, service life is prolonged, and the locking plate is conveniently clamped into or withdrawn from the clamping groove on the headrest rod, so that unlocking flexibility is further improved.
In this embodiment, a first rack structure 2a for matching with the intermediate linkage member 4 is disposed on the inner side of the first matching portion 23 (the side opposite to the first in-place clamping groove 21), and the intermediate linkage member 4 is a gear adapted to the first rack structure 2a and the gear type intermediate linkage member 4 can be driven to rotate by linear sliding of the first rack structure 2a after the first rack structure and the intermediate linkage member are meshed with each other.
The same driven push block 3 has a corresponding structure with the driving push block 2, and is provided with a second matching part 33, a second in-place clamping groove 31, a second abdicating groove 32 and a second locking plate 30 which are identical in structure, wherein the button touch plate 26 is vertically arranged at one end provided with the first headrest rod through hole 24 with the driving push block 2, the button touch plate 26 is of a thin plate structure, the shape of the button touch plate is larger than the vertical section of the mounting cavity 12, namely, when the driving push block 2 stretches into the mounting cavity 12, the button touch plate 26 cannot stretch into the mounting cavity completely because of the existence of the button touch plate 26, and at most the button touch plate is flush with the end surface of the mounting cavity 12, so that the first headrest rod through hole 24 is of a closed annular structure, after the headrest rod 7 is inserted, the headrest rod can only be taken out from the upper part, and one end of the second headrest rod through hole 34 far away from the second matching part 33 is of an open structure, so that the headrest rod 7 has a larger adjusting space during mounting, and the assembly difficulty is reduced.
In addition, the upper surfaces of the driving pushing block 2 and the driven pushing block 3 are respectively provided with a convex rib 6 extending vertically upwards, the convex ribs 6 are positioned at two sides of the pushing block where the driving pushing block 2 and the driven pushing block 3 are respectively positioned, and are arranged along the length direction of the pushing block where the driving pushing block and the driven pushing block are respectively positioned, the surfaces of the convex ribs 6 are provided with a certain width, after the driving pushing block and the driven pushing block are installed, the convex ribs 6 are in plane contact with the base body 1, and in order to enable the driving pushing block and the driven pushing block to slide smoothly relatively, lubricating grease is generally smeared on the convex ribs 6;
in this embodiment, in order to solve the above problem, the protruding portion 60 is distributed on the rib 6 along the length direction, the grease channels 61 are disposed in the protruding portion 60, and the protruding portion 60 and the protruding portion form a grease homogenizing structure, so that a certain function of homogenizing grease can be achieved, as shown in fig. 12, two sides of the protruding portion 60 protrude outwards horizontally from two lateral surfaces of the rib 6, the grease channels 61 are disposed in the protruding portion 60, two ends of the grease channels are open at two ends and two ends of the grease channels penetrate through two sides of the protruding portion 60 along the length direction of the rib 6, and two open ends of the grease channels are located at two lateral sides of the rib 6, so that grease is continuously separated by the grease channels 61 during the movement of the surface of the rib 6, and redundant grease is stored at two sides of the rib 6, so that the purpose of homogenizing the surface of the rib 6 is achieved, the pushing block can be in low friction force for a long time, and a uniform lubrication effect is ensured
In order to make the homogenization effect of the grease better, the grease channel 61 is designed into an S-shaped streamline groove, and a parting bead 62 which is also S-shaped is arranged in the streamline groove and is close to the middle part, the upper end face of the parting bead 62 is flush with the upper end face of the convex rib 6, so that the scraping effect on the grease at the upper part can be increased, and the homogenization effect is improved.
The grease channels 61 near the two ends of the rib 6 are all arranged in parallel, and the grease channels 61 near the middle are symmetrically arranged (namely reversely arranged), so that the arrangement can ensure that the middle area has enough grease, and the grease cannot be excessively accumulated at the two ends, thereby ensuring the lubrication effect.
The driving push block 2 is inserted into the mounting cavity 12 from one end provided with the first mounting hole 10, and the first matching part 23 faces inwards when the driving push block 2 is inserted, because the width of the driving push block 2 is basically consistent with that of the mounting cavity 12, the outer side of the first matching part 23 clings to the side wall of the mounting cavity 12 to slide in a slideway formed by the protruding part 14 on the same side and the bottom wall of the mounting cavity, and the lower surface of the protruding part 14 on the same side as the first matching part 23 is abutted against the upper surface of the convex rib 6 on the driving push block 2;
the same driven pushing block 3 is inserted from the other end of the mounting cavity 12, when the driven pushing block 3 is inserted, the second matching part 33 faces inwards, and the lower surface of the protruding part 14 on the same side with the second matching part 33 is abutted with the upper surface of the convex rib 6 on the driven pushing block 3;
the gear type middle linkage piece 4 is positioned between the first matching part 23 and the second matching part 33 and is respectively meshed with the first matching part 23 and the second matching part 33, after the installation is finished, one wedge-shaped card 13 on the same side as the first matching part 23 is embedded into the first yielding groove 22, the other opposite wedge-shaped card 13 is embedded into the second yielding groove 32, so that the driving push block 2 can only slide within the length range of the first yielding groove 22 at most, and the driven push block 3 can only slide within the length range of the second yielding groove 32 at most, thereby improving the stability of the lifting adjustment locking assembly.
Referring to fig. 3, fig. 4, fig. 9, fig. 13 and fig. 16, the positions of the bottom wall of the installation cavity 12 close to two ends are respectively provided with a strip-shaped sinking groove 120, the strip-shaped sinking grooves 120 are arranged along the length direction of the installation cavity 12, the positions of the bottoms of the driving push blocks 2 corresponding to the right-side strip-shaped sinking grooves 12 are provided with first supporting pieces 25, the first supporting pieces 25 vertically protrude downwards from the lower surface of the driving push blocks 2 and are in an arc-shaped structure, the positions of the bottoms of the same driven push blocks 3 opposite to the other strip-shaped sinking grooves 120 are provided with second supporting pieces 35, the first supporting pieces 25 and the second supporting pieces 35 are made of elastic materials and are embedded into the opposite strip-shaped sinking grooves 120, and are abutted to the bottom wall of the corresponding strip-shaped sinking grooves 120, and because tolerance fit is adopted in the installation process, the driving push blocks 2 and the driven push blocks 3 always vibrate in the vertical direction, the vibration of the vertical direction can be greatly weakened through the elastic first supporting pieces 25 and the second supporting pieces 35, the influence of the vibration of the inner parts of the headrest is reduced, the stability of the lifting adjusting locking assembly is further improved, the stability of the lifting locking assembly is guaranteed, and the service life is prolonged.
Referring to fig. 3, 6 and 17, the positions of the two ends of the base 1 near the first mounting hole 10 and the second mounting hole 11 are respectively provided with a hook 17, while the end of the driving push block 2 near the middle linkage 4 is provided with a fixed beam 27, and an elastic member 5 is arranged between the base 1 and the driving push block 2, as shown in the figure, the elastic member 5 is a spring, and the two ends of the elastic member are respectively fixed on the fixed beam 27 and one hook 17 near the fixed beam 27, and under the elastic restoring force of the elastic member 5, the first matching part 23 can move towards one end of the first mounting hole 10, and of course, in the actual production process, a similar structure can be arranged on the driven push block 3 as required.
In this embodiment, for facilitating installation between the whole lifting adjustment locking assembly and the headrest housing 8, the buckles 16 are symmetrically distributed on the outer side surface of the base body 1, as shown in fig. 8 and 9, the buckles 16 horizontally protrude outwards and are in a wedge-shaped structure, and the headrest housing 8 is provided with an opening 80 corresponding to each buckle 16, so that quick installation and fixation of the two can be realized.
17-20, the driving push block 2 and the driven push block 3 are respectively inserted and installed from two corresponding ends of the installation cavity 12, the first matching part 23 and the second matching part 33 move inwards on corresponding sliding ways, when the first in-place clamping groove 21 moves to the position of the wedge-shaped card 13 on the same side of the first in-place clamping groove, and when the second in-place clamping groove 22 also moves to the position of the wedge-shaped card 13 on the same side of the second in-place clamping groove, the first in-place clamping groove and the second in-place clamping groove are blocked as shown in FIG. 18, and then the wedge-shaped card 13 can be clamped into the corresponding in-place clamping groove by slightly applying force, and a crisp clamping sound can be heard, or the first in-place clamping groove and the second in-place clamping groove 22 can be known by observation;
as shown in fig. 19, then, after the middle linkage member 4, that is, the gear is installed, because the driving push block 2 and the driven push block 3 are both clamped into the wedge-shaped card 13, the relative positions of the driving push block 2 and the driven push block 3 are basically consistent with those of the middle linkage member 4, and after the gear is installed, the positions of the driving push block 2 and the driven push block 3 are consistent with those of the first rack structure 2a and the second rack structure 3a, so that the symmetry of the moving positions of the driving push block 2 and the driven push block 3 in the subsequent use process is ensured;
as shown in fig. 20, after the installation of the middle linkage 4 is completed, the button touch plate 26 is pushed, under the action of the middle linkage 4, the wedge-shaped card 13 is forced to be separated from the corresponding in-place card slot, and the first matching part 23 and the second matching part 33 move in opposite directions, so that the wedge-shaped card 13 respectively reenters the corresponding abdication slot, that is, the wedge-shaped card 13 on the same side as the first abdication slot 22 is embedded into the first abdication slot 22, the other wedge-shaped card 13 is embedded into the second abdication slot 32, the first supporting piece 25 and the second supporting piece 35 are just embedded into the corresponding bar-shaped countersink 120, and finally, the elastic piece 5 is installed, that is, the assembly is completed, at this time, the first mounting hole 10 is vertically penetrated with the first headrest rod through hole 24, and the second mounting hole 11 is vertically penetrated with the second headrest rod through hole 34.
Referring to fig. 1 to 23, when the lifting adjustment locking assembly is assembled, the headrest rod 7 is again installed, and the two locking parts 71 are inserted corresponding to the first and second installation holes 10 and 11, respectively, and pass through the corresponding first and second headrest rod through holes 24 and 34, with the lower ends thereof passing out from the lower ends of the extension parts 15;
when the headrest rod 7 is inserted, the connecting part 72 is ensured to be horizontal as much as possible, so that the first locking plate 20 and the second locking plate 30 can be respectively clamped into the two opposite locking clamping grooves 70 under the action of the elastic piece 5, thereby ensuring the installation accuracy, preventing dislocation locking and leading the headrest to be easy to be blocked when being adjusted;
then installing the headrest shell 8, covering the headrest shell outside the lifting adjusting locking assembly, covering all the upper headrest rods 7, installing a button 9 at the position corresponding to the button touch plate 26 at the outer side of the headrest shell 8, ensuring that the button 9 can be abutted against the button touch plate 26, enabling the driving push block 2 and the driven push block 3 to always receive the pulling force from the middle to the two ends under the action of the elastic piece 5 when the button 9 is in a reset state, and enabling the driving push block 2 and the driven push block 3 to have the trend of reverse movement, so that the first locking plate 20 and the second locking plate 30 are always embedded in the corresponding locking clamping grooves 70, and realizing simultaneous locking of the two sides of the headrest shell 8, and fixing the relative positions between the headrest shell 8 and the headrest rods 7;
when the button 9 is pressed, the button touch plate 26 applies inward pushing force to the driving push block 2 from the end, so that the driving push block 2 moves towards the driven push block 3, the first locking plate 20 withdraws from the corresponding locking clamping groove 70, in the process, the driven push block 3 moves towards the driving push block 2 under the action of the middle linkage 4, and the second locking plate 30 withdraws from the corresponding locking clamping groove 70, so that the two sides of the headrest housing 8 are simultaneously unlocked, and the headrest housing 8 can be moved up and down at the moment, so that the headrest can be lifted and regulated in the up-down direction.
In this embodiment, whether in the installation or the unblock process, initiative ejector pad 2 and driven ejector pad 3 all slide in corresponding slide, prevent effectively that it from taking place the skew, improved the reliable stability of installation effectiveness and later stage use greatly.
In addition, the unlocking process is realized by virtue of the relative movement of the driving push block 2 and the driven push block 3 in the mounting cavity 12 instead of the external reverse movement, so that the space required by mounting is saved, the whole lifting adjustment locking assembly structure is more compact and stable, in the use process, the protruding part 14 is abutted against the upper surface of the convex edge 6 of the corresponding push block, the uniform lubrication effect of the contact surface of the driving push block 2 and the driven push block can be ensured under the action of the grease homogenizing structure, and the service life of the lifting adjustment locking assembly is prolonged;
meanwhile, the locking sleeve 18 is embedded between the extending part 15 and the locking part 71, so that the assembly tolerance gap of the headrest rod 7 can be fully compensated, the stability of the lifting adjustment locking assembly is ensured, and the shaking offset is prevented.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A two-way adjustment push button car seat headrest, comprising:
a headrest rod (7) having locking grooves (70) vertically distributed;
a headrest housing (8) which is sleeved on the headrest rod (7) and can slide up and down along the headrest rod (7);
the lifting adjusting locking component is positioned in the headrest shell (8) and is used for being matched with the locking clamping groove (70) to lock or unlock the headrest shell (8) on the headrest rod (7);
a button (9) positioned outside the headrest housing (8) for triggering the lifting adjustment locking assembly;
the lifting adjusting and locking assembly comprises a base body (1), and a driving push block (2) and a driven push block (3) which are used for unlocking a headrest rod (7), wherein an intermediate linkage piece (4) is arranged between the driving push block (2) and the driven push block (3);
the two ends of the base body (1) are respectively provided with a first mounting hole (10) and a second mounting hole (11) for mounting the headrest rod (7), and both the first mounting hole and the second mounting hole penetrate through the upper surface and the lower surface of the base body (1);
the base body (1) is provided with a mounting cavity (12) penetrating through two ends of the base body along the length direction, the mounting cavity (12) is communicated with a first mounting hole (10) and a second mounting hole (11), the driving push block (2) and the driven push block (3) are both arranged in the mounting cavity (12) in a sliding mode, the driving push block (2) is supported on the base body (1) through an elastic piece (5), and the elastic piece (5) applies force to the driving push block (2) towards the direction that the headrest shell (8) is locked to the headrest rod (7);
when the driving pushing block (2) is close to or far away from the driven pushing block (3), the driven pushing block (3) is correspondingly close to or far away from the driving pushing block (2) under the action of the middle linkage piece (4);
the upper surfaces of the driving pushing block (2) and the driven pushing block (3) close to two sides are provided with ribs (6) along the length direction, raised parts (60) are distributed on the ribs (6) along the length direction, and lubricating grease channels (61) are arranged in the raised parts (60);
the lubricating grease channel (61) penetrates through the protruding portion (60) along two sides of the length direction of the convex rib (6), and two ends of the lubricating grease channel (61) are respectively located on two sides of the width direction of the convex rib (6).
2. The two-way adjustment button car seat headrest of claim 1, wherein: the two side walls of the mounting cavity (12) are provided with inward protruding wedge-shaped cards (13) at positions close to the middle, one end of the driving push block (2) close to the driven push block (3), and one end of the driven push block (3) close to the driving push block (2) are respectively provided with a first in-place clamping groove (21) and a second in-place clamping groove (31) which are matched with the wedge-shaped cards (13);
the first position clamping groove (21) rear is provided with a first position yielding groove (22), and the second position yielding groove (32) is arranged behind the second position clamping groove (31).
3. The two-way adjustment button car seat headrest of claim 2, wherein: one end of the driving push block (2) is provided with a first matching part (23) matched with the middle linkage piece (4), and one end of the driven push block (3) is provided with a second matching part (33) matched with the middle linkage piece (4);
the middle linkage piece (4) is a gear, the first matching part (23) is provided with a first rack structure (2 a) matched with the first matching part, and the second matching part (33) is provided with a second rack structure (3 a) matched with the second matching part.
4. A two-way adjustment push button car seat headrest according to any of claims 1 to 3, characterised in that: the width of the installation cavity (12) is matched with that of the driving pushing block (2) and that of the driven pushing block (3), protruding portions (14) protruding inwards in the width direction of the installation cavity are distributed on the upper portions of the two side walls of the installation cavity (12), and the upper surfaces of the driving pushing block (2) and the driven pushing block (3) are at least in butt joint with the lower surface of one protruding portion (14) on the same side.
5. A two-way adjustment push button car seat headrest according to any of claims 1 to 3, characterised in that: a first headrest rod through hole (24) is formed in the position, corresponding to the first mounting hole (10), of the driving push block (2), a first locking plate (20) is arranged in the first headrest rod through hole (24), a second headrest rod through hole (34) is formed in the position, corresponding to the second mounting hole (11), of the driven push block (3), and a second locking plate (30) is arranged in the second headrest rod through hole (34);
the first locking plate (20) is positioned at one side of the first headrest rod through hole (24) close to the driven pushing block (3), and the second locking plate (30) is positioned at one side of the second headrest rod through hole (34) close to the driving pushing block (2).
6. The two-way adjustment button car seat headrest of claim 5, wherein: the headrest rod (7) is of an integral n-shaped structure and comprises two locking portions (71) which are vertically symmetrically arranged, and a connecting portion (72) which is connected with the upper end parts of the two locking portions (71), wherein the locking portions (71) are matched with the first mounting holes (10) and the second mounting holes (11), and the locking clamping grooves (70) are located on opposite sides of the two locking portions (71).
7. The two-way adjustment button car seat headrest of claim 1, wherein: the driving pushing block (2) bottom is equipped with downward convex first support piece (25), and driven pushing block (3) bottom is equipped with downward convex second support piece (35), and installation cavity (12) bottom corresponds first support piece (25) and second support piece (35) the position all is equipped with bar heavy groove (120), first support piece (25) and second support piece (35) all adopt elastic material to imbed respectively in corresponding bar heavy groove (120) rather than bottom butt.
8. The two-way adjustment button car seat headrest of claim 6, wherein: the bottom of the base body (1) is provided with vertical extending parts (15) which extend downwards corresponding to the first mounting holes (10) and the second mounting holes (11), the extending parts (15) are hollow structures, and locking sleeves (18) are arranged between the extending parts (15) and the locking parts (71).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806749.9A CN107791914B (en) | 2017-09-08 | 2017-09-08 | Two-way adjusting button type automobile seat headrest |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806749.9A CN107791914B (en) | 2017-09-08 | 2017-09-08 | Two-way adjusting button type automobile seat headrest |
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| CN107791914A CN107791914A (en) | 2018-03-13 |
| CN107791914B true CN107791914B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710806749.9A Active CN107791914B (en) | 2017-09-08 | 2017-09-08 | Two-way adjusting button type automobile seat headrest |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017488B (en) * | 2018-07-11 | 2023-05-23 | 安道拓(重庆)汽车部件有限公司 | Automobile seat headrest framework convenient for height adjustment |
| CN109017486B (en) * | 2018-07-11 | 2023-08-22 | 安道拓(重庆)汽车部件有限公司 | Automobile seat convenient for adjusting headrest height |
| CN109017487B (en) * | 2018-07-11 | 2023-10-20 | 安道拓(重庆)汽车部件有限公司 | Headrest locking device for chair |
| CN109398193B (en) * | 2018-09-29 | 2024-01-16 | 安道拓(重庆)汽车部件有限公司 | Headrest locking mechanism and car seat |
| CN110303963B (en) * | 2019-06-06 | 2022-06-24 | 赵春生 | Anti-theft and anti-overburdening integrated intelligent ring taking vehicle seat as object |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130114828A (en) * | 2012-04-10 | 2013-10-21 | 주식회사 우보테크 | Apparatus for forward and backward movement of car headrests |
| CN104002714A (en) * | 2014-06-03 | 2014-08-27 | 上海延锋江森座椅有限公司 | Novel four-directional headrest |
| CN106985718A (en) * | 2015-11-13 | 2017-07-28 | 安道拓卢森堡控股有限公司 | Sliding sleeve and headrest features |
| CN107000618A (en) * | 2014-10-15 | 2017-08-01 | 美国圣戈班性能塑料公司 | For the bearing part in sliding snout protection device |
| CN107054180A (en) * | 2017-03-22 | 2017-08-18 | 重庆延锋安道拓汽车部件***有限公司 | Chair headrest with four-way regulatory function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005019946B4 (en) * | 2005-04-29 | 2007-01-04 | Faurecia Autositze Gmbh & Co. Kg | Fastening device for the headrest of a vehicle seat |
-
2017
- 2017-09-08 CN CN201710806749.9A patent/CN107791914B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130114828A (en) * | 2012-04-10 | 2013-10-21 | 주식회사 우보테크 | Apparatus for forward and backward movement of car headrests |
| CN104002714A (en) * | 2014-06-03 | 2014-08-27 | 上海延锋江森座椅有限公司 | Novel four-directional headrest |
| CN107000618A (en) * | 2014-10-15 | 2017-08-01 | 美国圣戈班性能塑料公司 | For the bearing part in sliding snout protection device |
| CN106985718A (en) * | 2015-11-13 | 2017-07-28 | 安道拓卢森堡控股有限公司 | Sliding sleeve and headrest features |
| CN107054180A (en) * | 2017-03-22 | 2017-08-18 | 重庆延锋安道拓汽车部件***有限公司 | Chair headrest with four-way regulatory function |
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| CN107791914A (en) | 2018-03-13 |
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