Stretching device of automobile headrest rod assembly

Abstract

The utility model belongs to the technical field of automobile headrest rod assemblies, and particularly relates to a stretching device of an automobile headrest rod assembly, which comprises a headrest rod assembly, the bottom end of the headrest rod assembly extends into a connecting groove, the connecting groove is arranged on the surface of the top of a movable rod, a fixing hole is arranged on the surface of one side of the bottom end of the headrest rod assembly, and the movable rod is arranged in the fixing hole. One end of a bolt is connected to the surface of the inner side of the fixing hole, and the other end of the bolt extends into the containing groove. Through mutual cooperation of the movable rod, the electric push rod and the fixed rod, an operator can control the electric push rod through the control switch, so that the position of the automobile headrest can be accurately adjusted and stretched, and the position of the headrest can adapt to more drivers; the rubber block and the check block can shield and protect the bolt, contact between one end of the bolt and air is reduced, the speed that the bolt is corroded by the air is slowed down, and the service life of the bolt is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile headrest rod assemblies, and in particular relates to a stretching device for an automobile headrest rod assembly. Background Art

[0002] The automobile headrest rod assembly is an important component of the automobile seat. The headrest rod assembly is generally composed of a headrest, a headrest rod, a headrest bracket and a fixing seat.

[0003] During the use of automobile headrests, since drivers have different heights and body shapes, operators generally adjust the position of the headrests on the automobile seats. When the existing headrests are stretched and adjusted through the headrest rod assembly, the headrests are generally pulled up manually to adjust the position of the headrests. When the stretching devices of the existing automobile headrest rod assemblies are telescopically adjusted, they are generally stretched and adjusted in a fixed size, and the position of the headrest can only be stretched to several specified height positions. This will cause some drivers to be unable to fully adapt to the use of the headrests, thereby affecting the driving experience of the drivers.

[0004] Therefore, the utility model provides a stretching device for an automobile headrest rod assembly to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a stretching device for an automobile headrest rod assembly, aiming to solve the problem that the stretching device for an automobile headrest rod assembly proposed in the prior art can only perform stretching adjustment at several fixed heights when adjusting the position of the headrest.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretching device for a headrest rod assembly of an automobile, comprising a headrest rod assembly, the bottom end of the headrest rod assembly extending into a connecting groove, the connecting groove being arranged on the top surface of a movable rod, a fixing hole being arranged on one side surface of the bottom end of the headrest rod assembly, one end of a bolt being connected to the inner surface of the fixing hole, the other end of the bolt extending into a placement groove, the placement groove being arranged on both side surfaces of the movable rod, one end of the movable rod extending into the movable groove, the movable groove being arranged on the top surface of the fixing rod, a mounting groove being arranged on the top surface of the fixing rod, an electric push rod being connected to the inner bottom surface of the mounting groove, a vent being arranged on one side surface of the bottom end of the fixing rod, a protective net being connected to the inner surface of the vent, and protective mechanisms being arranged on both side surfaces of the top end of the movable rod.

[0007] In order to cover the bolts, as a preferred stretching device of a car headrest rod assembly of the utility model, the protective mechanism includes: a slot, a rubber block, a stopper and a handle, slots are opened on both sides inside the top of the movable rod, the inner surface of the slot is connected to a rubber block, the inner surface of the rubber block is connected to a stopper, and one side surface of the stopper is connected to a handle.

[0008] In order to realize the disassembly and assembly between the headrest rod assembly and the movable rod, a stretching device of a vehicle headrest rod assembly is preferably used in the utility model. The headrest rod assembly is slidably connected to the movable rod through a connecting groove, and the bolt is threadedly connected to the fixing hole by passing through the movable rod.

[0009] In order to realize the normal operation control of driving the movable rod to move and the electric push rod, as a preferred stretching device of a car headrest rod assembly of the utility model, the movable rod is slidably connected with the fixed rod through a movable groove, and the electric push rod is electrically connected to the car power supply through a control switch.

[0010] In order to enable the hot air in the installation groove to be evacuated from the vent hole, as a preferred stretching device of the automobile headrest rod assembly of the utility model, the position of the vent hole is connected to the position of the installation groove.

[0011] In order to realize the disassembly and assembly of the stopper, as a stretching device of a car headrest rod assembly of the utility model, the position of the slot is connected with the position of the placement slot, the rubber block forms a locking structure with the movable rod through the slot, and the stopper forms a sliding connection with the movable rod through the placement slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model enables the operator to control the electric push rod through the control switch through the mutual cooperation between the movable rod, the electric push rod and the fixed rod, so as to achieve accurate adjustment and stretching of the position of the car headrest, so that the position of the headrest can be adapted to more drivers.

[0014] 2. The utility model provides a protective mechanism so that the rubber block and the stopper can shield and protect the bolt, reducing the contact between one end of the bolt and the air, thereby slowing down the speed at which the bolt is corroded by the air and increasing the service life of the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 This is a partial bottom view of the structure of the movable rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the partial cross-section explosion structure of the stopper of the utility model.

[0020] In the figure: 1. headrest rod assembly; 2. connecting groove; 3. movable rod; 4. fixing hole; 5. bolt; 6. placement groove; 7. movable groove; 8. fixing rod; 9. installation groove; 10. electric push rod; 11. ventilation hole; 12. protective net; 13. card slot; 14. rubber block; 15. stopper; 16. handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a stretching device for a headrest rod assembly of an automobile, comprising a headrest rod assembly 1, wherein the bottom end of the headrest rod assembly 1 extends into a connecting groove 2, the connecting groove 2 is arranged on the top surface of a movable rod 3, a fixing hole 4 is arranged on one side surface of the bottom end of the headrest rod assembly 1, one end of a bolt 5 is connected to the inner surface of the fixing hole 4, the other end of the bolt 5 extends into a placement groove 6, the placement groove 6 is arranged on both side surfaces of the movable rod 3, one end of the movable rod 3 extends into a movable groove 7, the movable groove 7 is arranged on the top surface of a fixed rod 8, a mounting groove 9 is arranged on the top surface of the fixed rod 8, an electric push rod 10 is connected to the inner bottom surface of the mounting groove 9, a vent hole 11 is arranged on one side surface of the bottom end of the fixed rod 8, a protective net 12 is connected to the inner surface of the vent hole 11, and protective mechanisms are arranged on both side surfaces of the top of the movable rod 3.

[0023] Preferably, the protective mechanism includes: a slot 13, a rubber block 14, a stopper 15 and a handle 16. A slot 13 is opened inside both sides of the top of the movable rod 3, the inner surface of the slot 13 is connected to the rubber block 14, the inner surface of the rubber block 14 is connected to the stopper 15, and one side surface of the stopper 15 is connected to the handle 16.

[0024] During specific use, the block 15 is slid into the placement groove 6, so that the rubber block 14 on the block 15 can be moved to the position of the slot 13, so that the rubber block 14 will be elastically engaged in the slot 13, so that the position of the block 15 is fixed on the placement groove 6, so that the block 15 and the rubber block 14 will cover the bolt 5 in the placement groove 6, so that the probability of the bolt 5 contacting with the air in the placement groove 6 is reduced, and one end of the bolt 5 is not easily corroded by the air. The block 15 can be pulled out by the handle 16, so that the operator can remove the bolt 5.

[0025] Preferably, the headrest rod assembly 1 is slidably connected to the movable rod 3 through the connecting groove 2, and the bolt 5 is threadedly connected to the fixing hole 4 by penetrating the movable rod 3.

[0026] During specific use, the headrest rod assembly 1 can be plugged in and out of the movable rod 3 through the connecting groove 2. When the headrest rod assembly 1 is inserted into the connecting groove 2, the bolt 5 is passed through the movable rod 3 and screwed into the fixing hole 4, so that the headrest rod assembly 1 and the movable rod 3 can be connected together.

[0027] Preferably, the movable rod 3 is slidably connected to the fixed rod 8 through the movable groove 7, and the electric push rod 10 is electrically connected to the vehicle power supply through the control switch.

[0028] During specific use, the electric push rod 10 can be controlled by a switch, and the movable end of the electric push rod 10 can drive the movable rod 3 to slide in the movable groove 7 on the fixed rod 8.

[0029] Preferably, the position of the vent hole 11 is connected to the position of the mounting groove 9 .

[0030] During specific use, the heat generated by the electric push rod 10 in the installation groove 9 during operation can be discharged from the vent hole 11 to avoid heat accumulation in the installation groove 9.

[0031] Preferably, the position of the card slot 13 is connected to the position of the placement slot 6 , the rubber block 14 forms a card-engaging structure with the movable rod 3 through the card slot 13 , and the stopper 15 forms a sliding connection with the movable rod 3 through the placement slot 6 .

[0032] During specific use, the stopper 15 can slide in the placement groove 6. When the stopper 15 drives the rubber block 14 to move to the position of the slot 13, the rubber block 14 will be elastically engaged in the slot 13, so that the position of the stopper 15 is fixed in the placement groove 6.

[0033] Working principle: when using the stretching device of the automobile headrest rod assembly, when the operator needs to adjust the position of the headrest on the upper end of the headrest rod assembly 1, the electric push rod 10 is started by the control switch, and the movable end of the electric push rod 10 drives the movable rod 3 to slide in the movable groove 7, so that the movable rod 3 can drive the headrest rod assembly 1 to stretch and move up and down on the automobile seat, so that the position of the headrest on the headrest rod assembly 1 can be accurately stretched and adjusted, so that the position of the headrest can be adapted to more drivers, and by controlling the switch, the operator does not need to manually adjust the position of the headrest, and the headrest can be adjusted to a suitable position when the driver is in a sitting state. Secondly, the stopper 15 is slid into the placement groove 6, so that the rubber block 14 on the stopper 15 can be moved to the position of the card slot 13, so that the rubber block 14 will be elastic. The bolt 5 is engaged in the card slot 13 so that the position of the stopper 15 is fixed on the placement slot 6, so that the stopper 15 and the rubber block 14 will cover the bolt 5 in the placement slot 6, so that the probability of the bolt 5 contacting with the air in the placement slot 6 is reduced, and one end of the bolt 5 is not easily corroded by the air, thereby increasing the service life of the bolt 5, so that the operator can easily twist and remove the bolt 5 when disassembling it. When the headrest on the headrest rod assembly 1 is damaged and needs to be replaced, the bolt 5 is twisted to separate one end of the bolt 5 from the fixing hole 4, so that the bottom end of the headrest rod assembly 1 can be separated from the connecting slot 2, so that the operator can disassemble the headrest rod assembly 1, and the operator can replace the headrest rod assembly 1. It should be noted here that one end of the movable rod 3 can slide and extend out of the top of the car seat.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stretching device for a headrest rod assembly of an automobile, comprising a headrest rod assembly (1), characterized in that: The bottom end of the headrest rod assembly (1) extends into the connecting groove (2), and the connecting groove (2) is provided on the top surface of the movable rod (3). A fixing hole (4) is provided on one side surface of the bottom end of the headrest rod assembly (1), and one end of a bolt (5) is connected to the inner surface of the fixing hole (4). The other end of the bolt (5) extends into the placement groove (6). The placement groove (6) is provided on both side surfaces of the movable rod (3). One end of the movable rod (3) extends into the movable groove (7). The movable groove (7) is provided on the top surface of the fixing rod (8). A mounting groove (9) is provided on the top surface of the fixing rod (8), and an electric push rod (10) is connected to the inner bottom surface of the mounting groove (9). A ventilation hole (11) is provided on one side surface of the bottom end of the fixing rod (8), and a protective net (12) is connected to the inner surface of the ventilation hole (11). Protective mechanisms are provided on both side surfaces of the top end of the movable rod (3).

2. The stretching device for a headrest rod assembly of an automobile according to claim 1, characterized in that: The protective mechanism comprises: a card slot (13), a rubber block (14), a stopper (15) and a handle (16); card slots (13) are provided on both sides of the top end of the movable rod (3); the inner surface of the card slot (13) is connected to the rubber block (14); the inner surface of the rubber block (14) is connected to the stopper (15); and one side surface of the stopper (15) is connected to the handle (16).

3. The stretching device for a vehicle headrest rod assembly according to claim 1, characterized in that: The headrest rod assembly (1) is slidably connected to the movable rod (3) via the connection groove (2), and the bolt (5) is threadedly connected to the fixing hole (4) by penetrating the movable rod (3).

4. The stretching device for a vehicle headrest rod assembly according to claim 1, characterized in that: The movable rod (3) is slidably connected to the fixed rod (8) via the movable groove (7), and the electric push rod (10) is electrically connected to the vehicle power supply via a control switch.

5. The stretching device for a headrest rod assembly of an automobile according to claim 1, characterized in that: The position of the vent hole (11) is connected to the position of the mounting groove (9).

6. The stretching device for an automobile headrest rod assembly according to claim 2, characterized in that: The position of the clamping slot (13) is connected to the position of the placement slot (6); the rubber block (14) forms a clamping structure with the movable rod (3) through the clamping slot (13); and the stopper (15) forms a sliding connection with the movable rod (3) through the placement slot (6).

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