Assembly structure of automobile headrest rod and headrest

Abstract

The utility model discloses an automobile headrest rod and headrest assembly structure which comprises a headrest body, mounting grooves are formed in the two sides of one end of the headrest body, square fixing sleeves are fixedly connected to the interiors of the two mounting grooves, rod cavities are formed in the middles of the square fixing sleeves, headrest rod bodies are inserted into the rod cavities, and the headrest rod bodies are inserted into the rod cavities. Two driving cavities are formed in one side of the surface of the square fixing sleeve, driving screws are rotationally connected into the driving cavities, two moving assemblies are in threaded connection with the surfaces of the driving screws, two clamping cavities are formed in the connecting positions of the driving cavities and the square fixing sleeve, and clamping rod assemblies are fixedly installed in the two clamping cavities correspondingly. According to the assembly structure of the automobile headrest rod and the headrest, when the limiting pin rod moves and is clamped into the clamping groove, the extrusion plate extrudes the connecting block, so that the connecting block is more stable, and the experience feeling of a user is more excellent while convenience is brought to the user.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automotive interior, concretely is a kind of assembling structure of automobile headrest rod and headrest. BACKGROUND

[0002] Automobile headrest is usually made of soft material, such as polyurethane foam, etc., to provide comfortable support for the head of the driver and passenger, and the headrest has a sleeve or a jack for mounting the headrest rod, which is generally made of metal and has certain strength and rigidity. One end of the headrest rod is inserted into the sleeve or the jack of the headrest, and the other end is connected to the backrest of the car seat. During use, the headrest and the headrest rod need to be connected for use, so an assembling structure of automobile headrest rod and headrest is needed.

[0003] The existing assembling method is fixed by glue bonding to ensure the stability of the connection between the headrest rod and the headrest, and the headrest rod can withstand certain external forces without loosening or falling off. However, the above-mentioned common assembling structure still has some shortcomings.

[0004] Although the above-mentioned device has good stability, it is difficult to remove the headrest rod inside the headrest when the headrest needs to be replaced due to damage, which is difficult and time-consuming to replace. TECHNICAL FIELD

[0005] The utility model aims to provide an assembling structure of automobile headrest rod and headrest to solve the problem of difficulty in removing the headrest rod inside the headrest when the headrest needs to be replaced due to damage, which is difficult and time-consuming to replace.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an assembling structure of automobile headrest rod and headrest, comprising a headrest body, two installation grooves are formed on both sides of one end of the headrest body, a square fixing sleeve is fixedly connected inside each installation groove, a rod cavity is formed in the middle of the square fixing sleeve, a headrest rod body is inserted into the rod cavity, two drive cavities are formed on one side of the surface of the square fixing sleeve, a drive screw is rotatably connected inside each drive cavity, two moving assemblies are threadedly connected to the surface of the drive screw, two clamping cavities are formed at the connection between the drive cavity and the square fixing sleeve, and a clamping rod assembly is fixedly installed inside each clamping cavity.

[0007] Preferably, a connecting block is fixedly connected to both sides of one end of the headrest rod body, and a plurality of clamping grooves are formed on one side of each connecting block.

[0008] Preferably, a screw rod holder is fixedly connected to one end of the inner wall of the drive cavity, and the drive screw is installed inside the screw rod holder.

[0009] Preferably, the moving assembly comprises a threaded block, one side of the threaded block is fixedly connected with an arc-shaped abutting plate, both ends of the threaded block are fixedly connected with guide sliding blocks, both sides of the inner wall of the driving cavity are provided with guide grooves, and the surfaces of the guide sliding blocks are slidably connected with the interiors of the guide grooves.

[0010] Preferably, the clamping rod assembly comprises an inclined sliding block, the surface of the inclined sliding block is slidably connected with the interior of the clamping cavity, one side of the inclined sliding block is fixedly connected with a limiting pin rod, one side of the surface of the limiting pin rod is fixedly connected with an extrusion plate, one end of the limiting pin rod is clamped with the interior of the clamping groove, and one side of the extrusion plate is abutted with the surface of the connecting block.

[0011] Preferably, one end of the inner wall of the clamping cavity is fixedly connected with a spring supporting plate, one side of the spring supporting plate is provided with a pressing plate groove, and the spring supporting plate and the inclined sliding block are fixedly connected with a return spring.

[0012] Preferably, both sides of the inner wall of the rod cavity are provided with connecting grooves, and the interiors of the connecting grooves are slidably connected with the surface of the connecting block.

[0013] Compared with the prior art, the utility model discloses the following beneficial effects: change traditional connection mode, set up clamping groove on headrest rod, insert headrest rod into the interior of square fixed cover, rotate drive screw and make arc abutting plate move, make arc abutting plate abut inclined sliding block and make it drive limiting pin rod and insert into the interior of clamping groove, limit headrest rod body, and convenient to disassemble, when needing to clean, replace or maintain headrest, it is convenient, time -saving and labor -saving, and ordinary user can also easily complete.

[0014] And when the limiting pin rod moves and is clamped into the interior of the clamping groove, the extrusion plate extrudes the connecting block, so that the structure is more stable, and the user can experience better convenience. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure diagram of the utility model car headrest rod and headrest assembly structure;

[0016] Figure 2 It is the structure diagram of the utility model car headrest rod and headrest assembly structure headrest rod assembly;

[0017] Figure 3 It is the sectional structure diagram of the utility model car headrest rod and headrest assembly structure clamping mechanism;

[0018] Figure 4 It is the structure local enlarged view A of the utility model car headrest rod and headrest assembly structure clamping mechanism;

[0019] Figure 5The utility model discloses an automobile headrest rod and headrest assembly structure moves subassembly's structure diagram.

[0020] Figure 6 The utility model discloses an automobile headrest rod and headrest assembly structure square fixed sleeve's internal structure diagram.

[0021] In the drawing: 1, headrest body, 2, headrest rod body, 3, square fixed sleeve, 4, rod cavity, 5, connecting block, 6, connecting groove, 7, screw rod frame, 8, drive screw, 9, clamping cavity, 10, clamping groove, 11, drive cavity, 12, threaded block, 13, arc abutment plate, 14, spring support plate, 15, reset spring, 16, inclined surface sliding block, 17, limit pin rod, 18, extrusion plate, 19, presser plate groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides a kind of automobile headrest rod and headrest assembly structure, including headrest body 1, the both sides of the one end of headrest body 1 are all provided with installation groove, the inside of two installation grooves is all fixedly connected with square fixed sleeve 3, the middle part of square fixed sleeve 3 is provided with rod cavity 4, the inside of rod cavity 4 is inserted with headrest rod body 2, the surface of square fixed sleeve 3 one side is provided with two drive cavities 11, the inside of drive cavity 11 is rotatably connected with drive screw 8, the surface of drive screw 8 is threadedly connected with two moving assemblies, the junction of drive cavity 11 and square fixed sleeve 3 is provided with two clamping cavities 9, the inside of two clamping cavities 9 is all fixedly installed with clamping rod assembly.

[0024] Please refer to Figures 2-6 Further, the both sides of the one end of headrest rod body 2 are all fixedly connected with connecting block 5, the side of two connecting blocks 5 is all provided with multiple clamping grooves 10 ， One end of the inner wall of drive cavity 11 is fixedly connected with screw rod frame 7, drive screw 8 is installed in the inside of screw rod frame 7 ， Moving assembly includes threaded block 12, threaded block 12 is threadedly connected on drive screw 8, the side of threaded block 12 is fixedly connected with arc abutment plate 13, the both ends of threaded block 12 are all fixedly connected with guide sliding block, the both sides of the inner wall of drive cavity 11 are all provided with guide groove, the surface of guide sliding block is slidably connected with the inside of guide groove ， Clamping rod assembly includes inclined surface sliding block 16, the surface of inclined surface sliding block 16 is slidably connected with the inside of clamping cavity 9, the side of inclined surface sliding block 16 is fixedly connected with limit pin rod 17, the side of the surface of limit pin rod 17 is fixedly connected with extrusion plate 18, the one end of limit pin rod 17 is clamped with the inside of clamping groove 10, the side of extrusion plate 18 and the surface of connecting block 5 are in abutment ，One end of the inner wall of the clamping cavity 9 is fixedly connected with a spring support plate 14, a pressing plate groove 19 is formed in one side of the spring support plate 14, and a return spring 15 is fixedly connected between the spring support plate 14 and the inclined surface sliding block 16 ， Both sides of the inner wall of the rod cavity 4 are provided with connecting grooves 6, and the inner part of the connecting grooves 6 is in sliding connection with the surface of the connecting block 5.

[0025] In use, first, the two connecting blocks 5 are aligned with the two connecting grooves 6, and the side of the connecting block 5 with the clamping groove 10 is opposite to the clamping cavity 9, the headrest rod body 2 is inserted into the bottom of the rod cavity 4, and then a tool such as a flat screwdriver is used to drive the screw rod 8, a plate is connected to the end of the screw rod 8, a flat groove is formed on the plate, the screw rod 8 can be screwed through the flat groove, when the screw rod 8 rotates, the guide sliding block is in sliding connection with the inner part of the guide groove, therefore, the threaded block 12 moves in the inner part of the driving cavity 11 along the screw rod 8, the threaded block 12 drives the arc-shaped abutting plate 13 to move, the threaded block 12 is in sliding connection with the square fixed sleeve 3 and is limited in direction and cannot be selected, the arc-shaped abutting plate 13 is shaped to adapt to the arc-shaped space of the driving cavity 11, two clamping cavities 9 are formed in the inner part of one driving cavity 11, therefore, two threaded blocks 12 and two arc-shaped abutting plates 13 are correspondingly arranged on the surface of one screw rod 8, the two threaded blocks 12 are connected to positions below the horizontal plane of the clamping cavity 9, when the threaded block 12 drives the arc-shaped abutting plate 13 to move upward, the arc-shaped abutting plate 13 abuts against the inclined surface end of the inclined surface sliding block 16, at this time, the arc-shaped abutting plate 13 exerts pressure on the inclined surface sliding block 16, at this time, the inclined surface sliding block 16 moves toward the clamping groove 10, the inclined surface sliding block 16 drives the limiting pin 17 to move, the spring support plate 14 is fixedly connected in the inner part of the clamping cavity 9, a hole is formed in the middle of the spring support plate 14, the limiting pin 17 passes through the hole, the spring support plate 14 is provided with a pressing plate groove 19 on the side close to the clamping groove 10, the pressing plate 18 is located in the inner part of the pressing plate groove 19, after the limiting pin 17 is inserted into the inner part of the clamping groove 10, the limiting pin 17 drives the pressing plate 18 to continue to move, until the pressing plate 18 abuts against the connecting block 5, so that the connecting block 5 is pressed against the inner wall of the connecting groove 6, so that it is more stable, and the user can experience better convenience.

[0026] In use, the square fixed sleeve 3 has a certain thickness inside the rod cavity 4 of the headrest rod body 2, so that the clamping mechanism can be normally installed in the wall thickness of the square fixed sleeve 3. After the limiting pin rod 17 is inserted into the clamping groove 10 inside and the connecting block 5 is extruded by the extrusion plate 18, the arc-shaped abutting plate 13 cannot continue to rise. After the extrusion plate 18 extrudes the connecting block 5, the inclined surface end of the inclined surface sliding block 16 is still partially inside the driving cavity 11, and the arc-shaped abutting plate 13 is still within the range of the inclined surface, so that the problem of over-movement of the threaded block 12 does not occur. When the headrest rod body 2 needs to be removed, the driving screw 8 is reversely rotated, at this time the arc-shaped abutting plate 13 moves downward, and the inclined surface sliding block 16 is reset under the elastic force of the reset spring 15, so that the headrest rod body 2 can be easily removed. When the arc-shaped abutting plate 13 abuts against the inclined surface sliding block 16, the reset spring 15 is in a compressed state.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An assembly structure for an automobile headrest rod and headrest, comprising a headrest body (1), characterized in that: The headrest body (1) has mounting grooves on both sides at one end. A square fixing sleeve (3) is fixedly connected inside each of the two mounting grooves. A rod cavity (4) is opened in the middle of the square fixing sleeve (3). A headrest rod (2) is inserted into the rod cavity (4). Two driving cavities (11) are opened on one side of the surface of the square fixing sleeve (3). A driving screw (8) is rotatably connected inside the driving cavity (11). Two moving components are threadedly connected to the surface of the driving screw (8). Two snap-fit ​​cavities (9) are opened at the connection between the driving cavity (11) and the square fixing sleeve (3). A snap-fit ​​rod assembly is fixedly installed inside each of the two snap-fit ​​cavities (9).

2. The assembly structure of a car headrest rod and headrest according to claim 1, characterized in that: Both sides of one end of the headrest rod (2) are fixedly connected to connecting blocks (5), and multiple snap-fit ​​grooves (10) are opened on one side of each of the two connecting blocks (5).

3. The assembly structure of an automobile headrest rod and headrest according to claim 1, characterized in that: A screw frame (7) is fixedly connected to one end of the inner wall of the drive cavity (11), and the drive screw (8) is installed inside the screw frame (7).

4. The assembly structure of an automobile headrest rod and headrest according to claim 3, characterized in that: The moving component includes a threaded block (12), which is threadedly connected to the drive screw (8). An arc-shaped abutment (13) is fixedly connected to one side of the threaded block (12), and guide sliders are fixedly connected to both ends of the threaded block (12). Guide grooves are provided on both sides of the inner wall of the drive cavity (11), and the surface of the guide slider is slidably connected to the inside of the guide groove.

5. The assembly structure of an automobile headrest rod and headrest according to claim 2, characterized in that: The latch assembly includes a sloping slider (16), the surface of which is slidably connected to the inside of the latching cavity (9). A limit pin (17) is fixedly connected to one side of the sloping slider (16), and a pressing plate (18) is fixedly connected to one side of the surface of the limit pin (17). One end of the limit pin (17) is latched to the inside of the latching groove (10), and one side of the pressing plate (18) abuts against the surface of the connecting block (5).

6. The assembly structure of an automobile headrest rod and headrest according to claim 5, characterized in that: A spring support plate (14) is fixedly connected to one end of the inner wall of the snap-fit ​​cavity (9). A pressure plate groove (19) is provided on one side of the spring support plate (14). A return spring (15) is fixedly connected between the spring support plate (14) and the inclined slider (16).

7. The assembly structure of an automobile headrest rod and headrest according to claim 2, characterized in that: Both sides of the inner wall of the rod cavity (4) are provided with connecting grooves (6), and the interior of the connecting grooves (6) is slidably connected to the surface of the connecting block (5).

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