CN209904597U - Automobile seat headrest framework - Google Patents
Automobile seat headrest framework Download PDFInfo
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- CN209904597U CN209904597U CN201920715519.6U CN201920715519U CN209904597U CN 209904597 U CN209904597 U CN 209904597U CN 201920715519 U CN201920715519 U CN 201920715519U CN 209904597 U CN209904597 U CN 209904597U
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- headrest
- locking plate
- unlocking
- rod
- framework
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- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000002512 anti-withdrawal effect Effects 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a headrest framework of an automobile seat, wherein a headrest rod is n-shaped, the top of the n-shaped headrest rod is bent forwards, a horizontal rod of the headrest rod is clamped between a main base framework and a rear pressing block, and the headrest base framework can rotate around the horizontal rod of the headrest rod; unblock support, it rotates the rear side of installing at main base skeleton respectively to rotate the locking plate, the unblock support includes integrative injection moulding's first landing leg, the second landing leg, connecting rod and connecting pin, the connecting pin inserts in the pinhole that rotates the locking plate and can the horizontal slip in the pinhole, it realizes rotating the installation through the unblock pivot to rotate the locking plate, fixed suit of locking plate is on the horizon bar of headrest pole, and the locking head that rotates the locking plate inserts and realizes the locking in the locking breach that corresponds on the fixed locking plate, the medial extremity level of unblock button supports on first landing leg after passing main base skeleton's right side wall. The novel linkage unlocking mechanism is adopted, the structure is simple, the function is reliable, the manufacturing cost is low, and the unlocking failure in the using process is avoided.
Description
Technical Field
The utility model belongs to the technical field of car seat, concretely relates to install can folding headrest skeleton on car seat.
Background
The headrest framework of the automobile seat generally comprises a headrest support, two headrest rods, a folding rotating shaft and a headrest base framework. The headrest base framework covers the headrest support, the headrest support is bent into an n shape by a steel plate, and two ends of the headrest support are respectively hinged with the headrest rods on the corresponding sides through folding rotating shafts. The headrest base framework and the headrest support can rotate around the folding rotating shaft together, so that the headrest framework is folded.
Most of existing automobile seat headrest frameworks are made of EPP hard foam, but in the using process, due to the fact that the linkage mechanism is unreasonable in structural design (for example, a shifting unlocking mode in the linkage mechanism), functional failure is easy to occur, and meanwhile, the structural complexity and the manufacturing cost are increased due to the fact that a plurality of return springs are arranged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, reliable, the low in manufacturing cost's of function car seat headrest skeleton adopts brand-new linkage release mechanism, avoids in the use unblock inefficacy.
Therefore, the utility model discloses the technical scheme who adopts does: a headrest framework of an automobile seat comprises a headrest base framework and a headrest rod, wherein the headrest rod is n-shaped, the top of the n-shaped headrest rod is bent towards the front, the headrest base framework adopts a split structure and comprises a main base framework and a rear pressing block, a horizontal rod of the headrest rod is clamped between the main base framework and the rear pressing block, and the headrest base framework can rotate around the horizontal rod of the headrest rod;
the novel headrest frame comprises an unlocking button, an unlocking support, a rotary locking plate and a fixed locking plate, wherein the unlocking button, the unlocking support and the headrest base frame are respectively provided with a return spring, the unlocking support and the rotary locking plate are respectively rotatably installed on the rear side of the main base frame, the axis of the unlocking support extends forwards and backwards, the axis of the unlocking support extends leftwards and rightwards, the unlocking support comprises a first support leg, a second support leg, a connecting rod and a connecting pin which are integrally formed in an injection molding mode, the first support leg extends downwards, the second support leg extends leftwards, the upper end of the connecting rod is connected to the end of the second support leg, the lower end of the connecting rod is vertically connected with the side wall of the connecting pin, the connecting pin is inserted into a pin hole of the rotary locking plate and can slide leftwards and rightwards in the pin hole, the rotary locking plate is rotatably installed through an unlocking rotating shaft, the fixed locking plate is fixedly sleeved on a horizontal rod of a headrest rod, and the locking head of the rotary locking plate is, the inner side end of the unlocking button horizontally penetrates through the right side wall of the main base skeleton and abuts against the first supporting leg.
Preferably, only one end of the connecting pin is provided with an end head, the other end of the connecting pin is provided with an anti-withdrawal barb extending in a lateral inclined manner, the rotating locking plate is positioned between the suspended end of the anti-withdrawal barb and the end head of the connecting pin, and the distance between the suspended end of the anti-withdrawal barb and the end head of the connecting pin is greater than the thickness of the rotating locking plate; the pinhole of rotating the locking plate has the breach, and the width of breach is less than the diameter of connecting pin, and the connecting rod links to each other with the middle part of connecting pin. The anti-withdrawal barb is combined with the connecting pin structure of the end head, and the connecting pin is pushed into the end with the anti-withdrawal barb during installation, so that the installation is convenient and rapid, and the connecting pin can be prevented from withdrawing from the pin hole; meanwhile, the distance between the hanging end of the anti-return barb and the end of the connecting pin is limited to be larger than the thickness of the rotating locking plate, so that when the unlocking bracket pulls the rotating locking plate to realize unlocking, the connecting pin has a certain left-right movement amount in the pin hole; when the connecting pin slides in the pin hole, the connecting rod moves along with the connecting pin, and the pin hole with the notch is adopted, so that the stress balance is ensured in the moving process, and the interference can not occur.
Further preferably, the unlocking support is sleeved on a mounting column arranged on the rear side of the main base framework through a hollow column. The mounting column and the main base framework are integrally formed, so that the number of parts is reduced.
Preferably, the return spring of the unlocking button is a cylindrical helical spring which is sleeved on the rod part of the unlocking button; the return spring of the unlocking support is a first torsion spring, the first torsion spring is sleeved on the hollow column of the unlocking support, one end of the first torsion spring is hung on the headrest base framework, and the other end of the first torsion spring is hung on the second supporting leg; the return spring that headrest base skeleton was equipped with is the second torsional spring, and the second torsional spring suit is on the horizontal bar of headrest pole to symmetrical arrangement is in the left and right sides of fixed locking plate, and the both ends of second torsional spring are hung respectively on headrest base skeleton. Each return spring is optimized, the installation is convenient, and the left and right stress balance of the headrest base framework can be ensured by the arrangement of the second torsion springs.
Further preferably, the contact position of the first supporting leg and the unlocking button is thickened so as to increase the contact area of the first supporting leg and the unlocking button and increase the strength.
Further preferably, the main base framework and the rear pressing block are made of plastic parts, the rotating locking plate, the fixed locking plate and the unlocking rotating shaft are made of metal parts, and a bushing is arranged between the unlocking rotating shaft and the rotating locking plate.
The utility model has the advantages that:
(1) the novel headrest linkage unlocking structure is adopted, pulling unlocking is achieved, the unlocking function is reliable, the unlocking force is small, operation is easy, and the situation of unlocking failure can be avoided;
(2) the unlocking bracket and the rotary locking plate are in a hard connection mode, and a return spring does not need to be arranged on the rotary locking plate, so that the structure is simplified, and the number of parts is reduced;
(3) the unlocking support can drive the rotating locking plate to rotate upwards in the process of pulling the rotating locking plate, and can generate displacement in the left-right direction, the traditional stay cable connection mode is abandoned, the hard connection mode is innovatively selected, the connecting pin is inserted into the pin hole of the rotating locking plate and can slide left and right in the pin hole, the hard connection structure formed by the connecting rod and the connecting pin is integrally injection-molded with the unlocking support, and compared with the structure that the stay cable is provided with the return spring, the structure has lower cost;
(4) the n-shaped headrest rod with the top bent towards the front is adopted, so that the installed headrest base framework is positioned in front of the headrest rod, and the comfort level of the headrest in use is improved; the headrest base framework adopts a split structure, the horizontal rod of the headrest rod can be rotatably clamped, and the whole structure is compact and reasonable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an assembly diagram of the headrest rod, the unlocking bracket, the rotary lock plate, the fixed lock plate, and the unlocking rotary shaft.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1 to 3, an automobile seat headrest framework mainly comprises a headrest base framework 1, a headrest rod 2, an unlocking button 3, an unlocking support 4, a rotary locking plate 5, a fixed locking plate 6, an unlocking rotating shaft 7, a cylindrical spiral spring 8, a first torsion spring 9, a second torsion spring 10 and a bushing 11.
The headrest rod 2 is n-shaped, and the top of the n-shaped is bent towards the front, so that the installed headrest base framework 1 is positioned in front of the headrest rod 2.
The headrest base framework 1 adopts a split structure and mainly comprises a main base framework 1a and a rear pressing block 1 b. The horizontal rod of the headrest rod 2 is clamped between the main base framework 1a and the rear pressing block 1b, and the headrest base framework 1 can rotate around the horizontal rod of the headrest rod 2 under the action of external force. An edge 1c for preventing the headrest fabric from being damaged is further fitted to the edge of the main base frame 1 a.
The unlocking support 4 and the rotation locking plate 5 are respectively rotatably mounted on the rear side of the main base frame 1a, the axis of the unlocking support 4 extends forwards and backwards, and the axis of the rotation locking plate 5 extends leftwards and rightwards.
The unlocking bracket 4 is constituted by a first leg 4a, a second leg 4b, a connecting rod 4c and a connecting pin 4d which are integrally injection-molded. The first leg 4a extends downward, the second leg 4b extends leftward, the upper end of the connecting rod 4c is connected to the end of the second leg 4b, and the lower end is vertically connected to the side wall of the connecting pin 4 d. The rotation locking plate 5 is provided with a pin hole for installing the connecting pin 4d, and the connecting pin 4d is inserted into the pin hole of the rotation locking plate 5 and can slide left and right in the pin hole.
The rotation locking plate 5 is installed in a rotating mode through the unlocking rotating shaft 7, and in order to avoid abnormal sound, a bushing 11 is installed between the unlocking rotating shaft 7 and the rotation locking plate 5.
The fixed locking plate 6 is fixedly sleeved on the horizontal rod of the headrest rod 2, the locking head 5a of the rotating locking plate 5 is inserted into the corresponding locking notch 6a on the fixed locking plate 6 to realize locking, and the inner side end of the unlocking button 3 horizontally penetrates through the right side wall of the main base framework 1a and then abuts against the first supporting leg 4 a. Preferably, the first leg 4a is thickened at a position where it contacts the unlock button 3 to increase a contact area with the unlock button 3.
Connecting pin 4d only has one end to have the end, and the other end is provided with the anti-barb 4e that moves back that the side slope extends, rotates locking plate 5 and is located between the free end that prevents moving back barb 4e and the connecting pin 4d end, and prevents moving back the distance between the free end of barb 4e and the connecting pin 4d end and be greater than the thickness of rotating locking plate 5, makes connecting pin 4a ability axial displacement. The pinhole of rotation locking plate 5 has the breach, and the width of breach is less than the diameter of connecting pin 4d, and connecting rod 4c links to each other with the middle part of connecting pin 4 d. Of course, the connecting pin 4d may have its end at one end and be prevented from falling off by the mounting nut at the other end. Since the unlocking bracket 4 and the rotation locking plate 5 are in a hard connection structure, a return spring is not required to be equipped.
The unlocking support 4 is provided with a hollow column 4f, and is sleeved on a mounting column arranged on the rear side of the main base framework 1a through the hollow column 4 f.
The unlocking button 3, the unlocking support 4 and the headrest base framework 1 are respectively provided with a return spring. The return spring that unlock button 3 was equipped with is cylindrical coil spring 8, and the suit is in unlock button 3's pole portion. The return spring that unblock support 4 was equipped is first torsion spring 9, and first torsion spring 9 suit is on the hollow column 4f of unblock support 4, and one end of first torsion spring 9 is hung on headrest base skeleton 1, and the other end is hung on second landing leg 4 b. The return spring that headrest base skeleton 1 was equipped with is second torsion spring 10, and second torsion spring 10 suit is on the horizontal pole of headrest pole 2 to symmetrical arrangement is in the left and right sides of fixed locking plate 6, and the both ends of second torsion spring 10 hang respectively on headrest base skeleton 1.
The main base framework 1a and the rear pressing block 1b are made of plastic parts, and the rotating locking plate 5, the fixed locking plate 6 and the unlocking rotating shaft 7 are made of metal parts.
When the headrest needs to be folded, the unlocking button 3 is pressed by hands firstly to realize unlocking. After unlocking, if the headrest is required to be folded backwards, the headrest base framework 1 automatically turns backwards to a required position under the action of the second torsion spring 10, and then the unlocking button 3 is released to lock and fix again; if the headrest needs to be folded forwards, the headrest base framework 1 is pushed forwards by a hand, the headrest base framework 1 is turned forwards to a required position under the action of external force, the unlocking button 3 is released to be locked and fixed again, and the external force is used for overcoming the spring force of the second torsion spring 10.
Claims (6)
1. The utility model provides a car seat headrest skeleton, includes headrest base skeleton (1) and headrest pole (2), its characterized in that: the headrest rod (2) is n-shaped, the top of the n-shaped headrest rod is bent towards the front, the headrest base framework (1) adopts a split structure and comprises a main base framework (1a) and a rear pressing block (1b), the horizontal rod of the headrest rod (2) is clamped between the main base framework (1a) and the rear pressing block (1b), and the headrest base framework (1) can rotate around the horizontal rod of the headrest rod (2);
the novel headrest structure is characterized by further comprising an unlocking button (3), an unlocking support (4), a rotary locking plate (5) and a fixed locking plate (6), wherein the unlocking button (3), the unlocking support (4) and the headrest base framework (1) are respectively provided with a return spring, the unlocking support (4) and the rotary locking plate (5) are respectively rotatably installed on the rear side of the main base framework (1a), the axis of the unlocking support (4) extends forwards and backwards, the axis of the rotary locking plate (5) extends leftwards and rightwards, the unlocking support (4) comprises a first support leg (4a), a second support leg (4b), a connecting rod (4c) and a connecting pin (4d) which are integrally injection-molded, the first support leg (4a) extends downwards, the second support leg (4b) extends leftwards, the upper end of the connecting rod (4c) is connected to the end of the second support leg (4b), and the lower end of the connecting rod is vertically connected with the side wall of the connecting pin (, connecting pin (4d) insert in the pinhole that rotates locking plate (5) and can the horizontal slip in the pinhole, rotate locking plate (5) and realize rotating the installation through unblock pivot (7), fixed suit is on the horizon bar of headrest pole (2) in fixed locking plate (6), and inserts in locking breach (6a) that correspond on fixed locking plate (6) locking head (5a) of rotating locking plate (5) and realize the locking, support behind the medial extremity level of unblock button (3) passing the right side wall of main base skeleton (1a) on first landing leg (4 a).
2. The headrest framework for vehicle seats according to claim 1, wherein: only one end of the connecting pin (4d) is provided with an end head, the other end of the connecting pin is provided with an anti-withdrawal barb (4e) extending in a lateral inclined mode, the rotating locking plate (5) is located between the hanging end of the anti-withdrawal barb (4e) and the end head of the connecting pin (4d), and the distance between the hanging end of the anti-withdrawal barb (4e) and the end head of the connecting pin (4d) is larger than the thickness of the rotating locking plate (5); the pin hole of the rotary locking plate (5) is provided with a notch, the width of the notch is smaller than the diameter of the connecting pin (4d), and the connecting rod (4c) is connected with the middle part of the connecting pin (4 d).
3. The headrest framework for vehicle seats according to claim 1, wherein: the unlocking support (4) is sleeved on a mounting column arranged on the rear side of the main base framework (1a) through a hollow column (4 f).
4. The headrest framework for vehicle seats according to claim 1, wherein: the return spring equipped on the unlocking button (3) is a cylindrical helical spring (8) which is sleeved on the rod part of the unlocking button (3); the unlocking support (4) is provided with a return spring which is a first torsion spring (9), the first torsion spring (9) is sleeved on a hollow column (4f) of the unlocking support (4), one end of the first torsion spring (9) is hung on the headrest base framework (1), and the other end of the first torsion spring is hung on the second supporting leg (4 b); the return spring that headrest base skeleton (1) was equipped with is second torsional spring (10), and second torsional spring (10) suit is on the horizon bar of headrest pole (2) to symmetrical arrangement is in the left and right sides of fixed locking plate (6), and the both ends of second torsional spring (10) are hung respectively on headrest base skeleton (1).
5. The headrest framework for vehicle seats according to claim 1, wherein: the contact position of the first supporting leg (4a) and the unlocking button (3) is thickened so as to increase the contact area of the first supporting leg and the unlocking button (3).
6. The headrest framework for vehicle seats according to claim 1, wherein: main backbone (1a), back briquetting (1b) adopt the working of plastics, rotate locking plate (5), fixed locking plate (6), unblock pivot (7) and adopt the metalwork, install bush (11) between unblock pivot (7) and rotation locking plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715519.6U CN209904597U (en) | 2019-05-15 | 2019-05-15 | Automobile seat headrest framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715519.6U CN209904597U (en) | 2019-05-15 | 2019-05-15 | Automobile seat headrest framework |
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| Publication Number | Publication Date |
|---|---|
| CN209904597U true CN209904597U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920715519.6U Active CN209904597U (en) | 2019-05-15 | 2019-05-15 | Automobile seat headrest framework |
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| CN (1) | CN209904597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077302A (en) * | 2019-05-15 | 2019-08-02 | 重庆宏立至信科技发展集团股份有限公司 | Fold-down vehicle seat head pillow frame |
-
2019
- 2019-05-15 CN CN201920715519.6U patent/CN209904597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077302A (en) * | 2019-05-15 | 2019-08-02 | 重庆宏立至信科技发展集团股份有限公司 | Fold-down vehicle seat head pillow frame |
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Address after: 400021 Yuguan Avenue 218, Yuzui Town, Jiangbei District, Chongqing Patentee after: Magna Hongli Automotive System Group Co.,Ltd. Country or region after: China Address before: 400021 Yuguan Avenue 218, Yuzui Town, Jiangbei District, Chongqing Patentee before: CHONGQING HONGLI ZHIXIN TECHNOLOGY DEVELOPMENT GROUP Co.,Ltd. Country or region before: China |