CN209479502U - Seat with step-less adjustment headrest - Google Patents

Seat with step-less adjustment headrest Download PDF

Info

Publication number
CN209479502U
CN209479502U CN201822183179.5U CN201822183179U CN209479502U CN 209479502 U CN209479502 U CN 209479502U CN 201822183179 U CN201822183179 U CN 201822183179U CN 209479502 U CN209479502 U CN 209479502U
Authority
CN
China
Prior art keywords
seat
guide rail
sliding block
less adjustment
headrest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201822183179.5U
Other languages
Chinese (zh)
Inventor
袁春红
蓝锦添
沈荣彬
叶炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LONGHAI JIULONG CHAIR CO Ltd
Original Assignee
LONGHAI JIULONG CHAIR CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LONGHAI JIULONG CHAIR CO Ltd filed Critical LONGHAI JIULONG CHAIR CO Ltd
Priority to CN201822183179.5U priority Critical patent/CN209479502U/en
Application granted granted Critical
Publication of CN209479502U publication Critical patent/CN209479502U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The utility model discloses a kind of seats with step-less adjustment headrest comprising seat support, headrest support frame, guide rail, sliding block, head rest body;Wherein, the headrest support frame is fixed at the top of the seat support, and the guide rail is fixed on the headrest support frame;The head rest body is fixedly connected with the sliding block, and the sliding block and the guide rail longitudinal sliding motion cooperate;Also, the sliding block is equipped with the contact block of elastic telescopic, and the contact block cooperates with the guide rail transverse direction contact in the presence of a tensile force, to realize the fixation of any position in step-less adjustment process, positions more reliable, more convenient operation.

Description

Seat with step-less adjustment headrest
Technical field
The utility model relates to a kind of seats with step-less adjustment headrest.
Background technique
Many seats are equipped with headrest, such as various automotive seats or office seating etc. currently on the market, with living standard Raising, it is adjustable headrest due to adjustable headrest elevation angle, different comfortable effects is obtained, so more by people Welcome.
There are mainly two types of schemes for the adjusting of the chair headrest of the prior art:
One is screw body is used as lifting device, by the way that ball screw power assembly is arranged inside the chair back, And motion bar is set in the two sides of two sides ball screw power assembly, headrest is fixed on the upper end of motion bar;When height adjustment, lead to It crosses ball screw power assembly driving motion bar and drives headrest up and down adjustment.Although the structure can realize step-less adjustment height, But screw body itself is screw rod, nut, ball composition, when frequent use, structure is more complex, failure for mechanism Rate is higher, reliability and poor durability, high production cost;
There are also one is use plug-in regulating mechanism comprising the bottom of headrest and the chair back, headrest is equipped with two groups of metals Inserted link, chair back top is equipped with the jack matched with metal inserted link, also, is additionally provided at the top of the chair back and carries out to the metal inserted link The positioning lock locked or unlocked after unlocking positioning lock, can be can be adjusted up and down in height by operating headrest.The structure is simpler Single, low in cost, still, user needs to overcome the weight of entire headrest assemblies and the weight of metal inserted link when adjusting, and not only takes Power, and it is inconvenient.
Utility model content
The utility model to solve the above problems, provide it is a kind of with step-less adjustment headrest seat, can not only be real Existing step-less adjustment, and it is simple and reliable for structure, it is easy to operate.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of seat with step-less adjustment headrest comprising seat support (10), headrest support frame (20), guide rail (40), sliding block (50), head rest body (60);Wherein, the headrest support frame (20) is fixed at the seat support (10) Top, the guide rail (40) is fixed on the headrest support frame (20);The head rest body (60) and the sliding block (50) it is fixedly connected, the sliding block (50) and the guide rail (40) longitudinal sliding motion cooperate;Also, the sliding block (50) is equipped with elasticity Flexible contact block (52), the contact block (52) cooperate with the lateral contact of the guide rail (40) in the presence of a tensile force.
Preferably, the sliding block (50) is equipped with convex edge (51), and the guide rail (40) is equipped with the limit guide groove longitudinally extended (41), the convex edge (51) is slidably matched with the limit guide groove (41), the contact block (52) in the presence of a tensile force with institute State the lateral contact cooperation of limit guide groove (41).
Further, the limit guide groove (41) uses wedge structure, the convex edge (51) and contact block (52) group Conjunction forms corresponding wedge structure.
Preferably, the contact block (52) is made of elastic material, alternatively, the contact block (52) passes through elastic component (53) elastic force is provided;The sliding block (50) is equipped with the loose slot for contact block (52) transversal stretching, the elastic component (53) contact is arranged between the contact block (52) and the cell wall of the loose slot of the sliding block (50).
Preferably, the headrest support frame (20) includes main supporting plate (21) and the resilient support wing (22), the elasticity branch The wing (22) are supportted including two and are symmetricly set on the two sides of the main supporting plate (21).
Further, the guide rail (40) includes that the left rail being arranged at intervals on the main supporting plate (21) and the right side are led Rail, the corresponding sliding block (50) includes left slider and right sliding block, and the left slider and the left rail longitudinal sliding motion cooperate, described Right sliding block and the right guide rail longitudinal sliding motion cooperate.
Preferably, the posterior region of corresponding headrest support frame (20) of the seat support (10) is additionally provided with more than one Lateral connection described in seat support (10) two sides reinforcing rib (11);Reinforcing rib (11) longitudinal gap is arranged in described On seat support (10).
It preferably, further include guide rail locking member (42), guide rail (40) longitudinal gap is provided with more than one first Lockhole (43), the guide rail locking member (42) pass through first lockhole (43) and are locked with the seat support (10).
It preferably, further include slider locking part (55), sliding block (50) longitudinal gap is provided with more than one second Lockhole (54), one end of the slider locking part (55) are embedded in second lockhole (54), and the other end passes through described second Lockhole (54) is simultaneously locked with the head rest body (60).
Further, the back fixation of the head rest body (60) is provided with connecting plate (61), and the connecting plate (61) sets Have third lockhole (62), the other end of the slider locking part (55) sequentially pass through the sliding block (50) the second lockhole (54) and The third lockhole (62) of the connecting plate (61) is simultaneously locked.
The beneficial effects of the utility model are:
(1), guide rail is fixed on headrest support frame, makes by the way that head rest body to be fixed on sliding block by the utility model The longitudinal sliding motion of sliding block and guide rail cooperates, and the contact block of elastic telescopic is arranged also on sliding block, and contact block and guide rail are lateral Contact cooperation, is pressed on the guide rail for the sliding block by the resilient force of the contact block, thus in step-less adjustment mistake The fixation that any position is realized in journey, positions more reliable;In addition, since head rest body is fixedly connected with a slide block, direct operating head Step-less adjustment, more convenient operation can be realized in pillow ontology.
(2), headrest support frame includes main supporting plate and the resilient support wing, and the resilient support wing can be to head rest body Two sides provide resilient support, and not only comfort level is good, but also safety is higher;
(3) limit guide groove of the convex edge of sliding block and guide rail uses wedge structure, and frictional force is smaller when being slidably matched, and adjusts more It is smooth more labor-saving;
(4) back of the corresponding headrest support frame of seat support is equipped with reinforcing rib, and reliability, safety are higher;
(5) head rest body is equipped with connecting plate, is locked by connecting plate and sliding block, and bonding strength is more preferable, and pacifies Dress is more convenient.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model Improper restriction.In the accompanying drawings:
Fig. 1 is the assembly structure diagram (front) of the seat with step-less adjustment headrest of the utility model;
Fig. 2 is the assembly structure diagram (back side) of the seat with step-less adjustment headrest of the utility model;
Fig. 3 is the exploded structure chart of the seat with step-less adjustment headrest of the utility model;
Fig. 4 is that the assembly structure diagram of the seat with step-less adjustment headrest of the utility model (removes and rests the head on this Body);
Fig. 5 is the schematic perspective view of the sliding block of the seat with step-less adjustment headrest of the utility model;
Fig. 6 is the lateral schematic cross-sectional view of the sliding block of the seat with step-less adjustment headrest of the utility model;
Fig. 7 is that the package assembly of the guide rail and headrest support frame of the seat with step-less adjustment headrest of the utility model is shown It is intended to;
In figure:
10- seat support;11- reinforcing rib;
20- headrest support frame;21- main supporting plate;22- flexibly supports the wing;
40- guide rail;41- limit guide groove;42- guide rail locking member;The first lockhole of 43-;
50- sliding block;The convex edge 51-;52- contact block;53- elastic component;The second lockhole of 54-;55- slider locking part;
60- head rest body;61- connecting plate;62- third lockhole.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 7, a kind of seat with step-less adjustment headrest of the utility model comprising seat support 10, headrest support frame 20, guide rail 40, sliding block 50, head rest body 60;Wherein, the headrest support frame 20 is fixed at described The top of seat support 10, the guide rail 40 are fixed on the headrest support frame 20;The head rest body 60 with it is described Sliding block 50 is fixedly connected, and the sliding block 50 cooperates with 40 longitudinal sliding motion of guide rail.
As shown in figure 3, the back fixation of the head rest body 60 is provided with connecting plate 61, also, described in the present embodiment Head rest body includes the precoat of outer layer and the elastic cord breaker of internal layer for example, being filled using foamed material, the connection Plate 61 is fixedly connected with the precoat and the elastic cord breaker.Since the head rest body 60 is relatively soft comfortable but lacks branch Support property, in order to improve the safety of headrest, as depicted in figs. 1 and 2, in the present embodiment, the headrest support frame 20 includes main branch Fagging 21 and the resilient support wing 22, the resilient support wing 22 include two and are symmetricly set on the two of the main supporting plate 21 Side, the main gravity of human body head provide support by main supporting plate, and the resilient support wing 22 can not only provide certain support effect, It will not influence the comfort of headrest again.In the present embodiment, the guide rail 40 includes being arranged at intervals on the main supporting plate 21 Left rail and right guide rail, the corresponding sliding block 50 includes left slider and right sliding block, and the left slider and the left rail are longitudinally sliding Dynamic cooperation, the right sliding block and the right guide rail longitudinal sliding motion cooperate.
As shown in Figure 5 and Figure 6, the sliding block 50 is equipped with the contact block 52 of elastic telescopic, and the contact block 52 is in elastic force Effect is lower to be cooperated with the lateral contact of the guide rail 40.The contact block 52 is made of elastic material, alternatively, the contact block 52 Elastic force is provided by elastic component 53;The sliding block 50 is equipped with the loose slot for 52 transversal stretching of contact block, the elasticity 53 contact of part is arranged between the cell wall of the loose slot of the contact block 52 and the sliding block 50.In the present embodiment, the sliding block 50 are equipped with convex edge 51, and the guide rail 40 is equipped with the limit guide groove 41 longitudinally extended, and the convex edge 51 and the limit guide groove 41 are sliding Dynamic cooperation, the contact block 52 cooperate with the lateral contact of the limit guide groove 41 in the presence of a tensile force.Preferably, the limit Guide groove 41 uses wedge structure, and the convex edge 51 combines to form corresponding wedge structure with the contact block 52, certainly can be with Using square structure or cylindrical structure etc., it is not limited.
It further include guide rail locking member 42 and slider locking part 55 as shown in Fig. 1,2,4,7, in the present embodiment, the guide rail Bolt is respectively adopted in locking member 42 and the slider locking part 55, and passes through nut check;40 longitudinal gap of the guide rail setting There is more than one first lockhole 43, the guide rail locking member 42 passes through first lockhole 43 and locks with the seat support 10 It fastens;50 longitudinal gap of sliding block is provided with more than one second lockhole 54, and one end of the slider locking part 55 is embedding In second lockhole 54, the other end passes through second lockhole 54 and is locked with the head rest body 60;Wherein, Second lockhole 54 uses stepped hole, and one end of the slider locking part 55 is embedded in the macropore of the stepped hole, another Hold the aperture across the stepped hole;In the present embodiment, the connecting plate 61 of the head rest body 60 is equipped with third lockhole 62, described The other end of slider locking part 55 sequentially passes through the second lockhole 54 of the sliding block 50 and the third lockhole 62 of the connecting plate 61 And it is locked.
In addition, the seat support 10 is n shape frame, the headrest support frame 20 is fixed at the top cross-bar of n shape On, in order to reinforce fixing, in the present embodiment, the posterior region of the corresponding headrest support frame 20 of the seat support 10 is additionally provided with The reinforcing rib 11 of the two sides of seat support 10 described in more than one lateral connection;11 longitudinal gap of reinforcing rib is arranged in institute It states on seat support 10.
When stationary state, sliding block is made by the effect of the transverse elasticity power of the contact block 52 between sliding block 50 and guide rail 40 It keeps relatively fixed between 50 and guide rail 40, so that headrest be made to keep relatively fixed, completes the positioning of headrest;Need to adjust headrest When height, head rest body 60 only need to be operated upward or downward, headrest can be adjusted to any desired position, to realize head The stepless lifting of pillow is adjusted, and it is convenient to operate.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then It all should be in the protection scope of the appended claims for the utility model.

Claims (10)

1. it is a kind of with step-less adjustment headrest seat, which is characterized in that including seat support (10), headrest support frame (20), Guide rail (40), sliding block (50), head rest body (60);Wherein, the headrest support frame (20) is fixed at the seat support (10) top, the guide rail (40) are fixed on the headrest support frame (20);The head rest body (60) with it is described Sliding block (50) is fixedly connected, and the sliding block (50) and the guide rail (40) longitudinal sliding motion cooperate;Also, the sliding block (50) is equipped with The contact block (52) of elastic telescopic, the contact block (52) cooperate with the lateral contact of the guide rail (40) in the presence of a tensile force.
2. a kind of seat with step-less adjustment headrest according to claim 1, it is characterised in that: the sliding block (50) sets Have convex edge (51), the guide rail (40) is equipped with the limit guide groove (41) longitudinally extended, the convex edge (51) and the limit guide groove (41) it is slidably matched, the contact block (52) cooperates with the lateral contact of the limit guide groove (41) in the presence of a tensile force.
3. a kind of seat with step-less adjustment headrest according to claim 2, it is characterised in that: the limit guide groove (41) wedge structure is used, the convex edge (51) combines to form corresponding wedge structure with the contact block (52).
4. a kind of seat with step-less adjustment headrest according to any one of claims 1 to 3, it is characterised in that: described Contact block (52) is made of elastic material, alternatively, the contact block (52) provides elastic force by elastic component (53);The cunning Block (50) is equipped with the loose slot for contact block (52) transversal stretching, and elastic component (53) contact is arranged in the contact block (52) between the cell wall of the loose slot of the sliding block (50).
5. a kind of seat with step-less adjustment headrest according to claim 1, it is characterised in that: the headrest support frame It (20) include main supporting plate (21) and the resilient support wing (22), the resilient support wing (22) includes two and is symmetricly set on institute State the two sides of main supporting plate (21).
6. a kind of seat with step-less adjustment headrest according to claim 5, it is characterised in that: guide rail (40) packet The left rail and right guide rail being arranged at intervals on the main supporting plate (21) are included, the corresponding sliding block (50) includes left slider and the right side Sliding block, the left slider and the left rail longitudinal sliding motion cooperate, and the right sliding block and the right guide rail longitudinal sliding motion cooperate.
7. a kind of seat with step-less adjustment headrest according to claim 1, it is characterised in that: the seat support (10) posterior region of corresponding headrest support frame (20) is additionally provided with seat support described in more than one lateral connection (10) Two sides reinforcing rib (11);Reinforcing rib (11) longitudinal gap is arranged on the seat support (10).
8. a kind of seat with step-less adjustment headrest according to claim 1, it is characterised in that: further include guide rail locking Part (42), guide rail (40) longitudinal gap are provided with more than one first lockhole (43), and the guide rail locking member (42) is worn It crosses first lockhole (43) and is locked with the seat support (10).
9. a kind of seat with step-less adjustment headrest according to claim 1, it is characterised in that: further include slider locking Part (55), sliding block (50) longitudinal gap are provided with more than one second lockhole (54), the slider locking part (55) One end is embedded in second lockhole (54), and the other end passes through second lockhole (54) and locks with the head rest body (60) It fastens.
10. a kind of seat with step-less adjustment headrest according to claim 9, it is characterised in that: the head rest body (60) back fixation is provided with connecting plate (61), and the connecting plate (61) is equipped with third lockhole (62), the slider locking part (55) the other end sequentially passes through the second lockhole (54) of the sliding block (50) and the third lockhole (62) of the connecting plate (61) And it is locked.
CN201822183179.5U 2018-12-24 2018-12-24 Seat with step-less adjustment headrest Active CN209479502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822183179.5U CN209479502U (en) 2018-12-24 2018-12-24 Seat with step-less adjustment headrest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822183179.5U CN209479502U (en) 2018-12-24 2018-12-24 Seat with step-less adjustment headrest

Publications (1)

Publication Number Publication Date
CN209479502U true CN209479502U (en) 2019-10-11

Family

ID=68127859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822183179.5U Active CN209479502U (en) 2018-12-24 2018-12-24 Seat with step-less adjustment headrest

Country Status (1)

Country Link
CN (1) CN209479502U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109624811A (en) * 2018-12-24 2019-04-16 龙海市九龙座椅有限公司 Seat with step-less adjustment headrest

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109624811A (en) * 2018-12-24 2019-04-16 龙海市九龙座椅有限公司 Seat with step-less adjustment headrest

Similar Documents

Publication Publication Date Title
US20200069064A1 (en) Chair having flection adjustment module for lumbar support part
CN107125990A (en) A kind of office chair
CN109624811A (en) Seat with step-less adjustment headrest
CN209479502U (en) Seat with step-less adjustment headrest
CN202009873U (en) Backrest height adjusting device of office chair
CN205358917U (en) Chair
CN106108444B (en) Frame structure for reclining chair
CN206197526U (en) It is easy to the seat of the comfortable lactation of puerpera
CN111317624A (en) Adjustment mechanism and wheelchair
US20230190001A1 (en) Lumbar supporting system of chair and chair having the same
CN106108443B (en) Adjustable chair
CN210842303U (en) Office chair with adjustable waist rest
CN211911062U (en) Manual pedal device of seat
CN205214733U (en) Formula of can lying chair
CN106963158B (en) Chair with chair back linked
CN215304379U (en) Seat unit and seat
CN205022391U (en) Flexible unblock system of seat slide based on human engineering
CN207011989U (en) A kind of rotating handrail structure and seat
CN203493154U (en) Seat chassis with locking function
CN220045343U (en) Elastic support structure for human tail vertebrae of chair back
CN214631121U (en) Elastic seat
CN219206349U (en) Adjustable seat waist rest
CN210843888U (en) Wheelchair backrest adjusting device
CN215993354U (en) Seat backrest movement and locking device and seat
CN218605815U (en) Stop-capable bidirectional sliding assembly and adjustable waist rest

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant