CN217455766U - Vehicle-mounted neck protection pillow capable of being adjusted up and down and front and back - Google Patents

Abstract

The invention relates to a vehicle-mounted neck protection pillow capable of being adjusted up and down and back and forth, which comprises a fixed seat, an adjusting mechanism and a head and neck support pillow, wherein the front end of the fixed seat is provided with an assembling port, the adjusting mechanism comprises an adjusting main body assembly, a buckle assembly arranged at the back end of the adjusting main body assembly and capable of moving back and forth relative to the adjusting main body assembly, and a connecting piece arranged at the front end of the adjusting main body assembly and capable of moving up and down relative to the adjusting main body assembly, the connecting piece is connected with the head and neck support pillow, the buckle assembly extends into the assembling port and is detachably connected with the fixed seat, the assembly is simple, the structural design is ingenious, the up-down and back adjustment can be realized, the use requirements of people with different body types can be met, and more suitable support requirements can be provided.

Description

Vehicle-mounted neck protection pillow capable of being adjusted up and down and front and back

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of vehicle-mounted articles, in particular to a vehicle-mounted neck protection pillow.

[ background ] A method for producing a semiconductor device

With the vigorous development of the automobile industry, people put higher requirements on the comfort of automobile seats; most of the existing automobile headrests are matched with automobile seats and can only provide vertical movement adjustment; in actual use, the neck part of a human body is difficult to provide proper support, so that the additionally-mounted vehicle-mounted neck protection pillow can be developed and used; for example, the taiwan patent with publication number TW336569U discloses a shock-absorbing and impact-proof neck protection pillow, which mainly comprises a pillow body made of pressure-releasing foam covered by a soft surface layer with excellent shock-absorbing effect, and the upper and lower ends of the pillow body are provided with a combination device capable of being assembled at the headrest of the seat of the vehicle, so that the user can put the pillow at the back of the head and neck, when the vehicle is hit and the head and neck are impacted backwards, the head and neck of the user can be effectively and safely protected, the probability of injury is reduced, and the neck protection pillow is completely matched with the curve of the head and neck according to the ergonomic design, thereby reducing the burden of the head and neck and increasing the comfort. However, at present, most of the most common vehicle-mounted neck protection pillows in the market are similar to the patent structure, and only one simple pillow body is used for simple support, so that the adjustment cannot be performed, and the more suitable support requirement cannot be met.

And part has the vehicle-mounted neck pillow of regulatory function, and its accommodation range is limited, adjusts the structure complicacy, and with high costs, and the space occupation is big, awaits improving. The Chinese utility model patent with the publication number of CN211592334U discloses a multi-angle multi-azimuth adjustable neck protecting pillow for an automobile seat, which comprises a protecting pillow framework, wherein the protecting pillow framework comprises a middle bracket and side brackets connected with the middle bracket, and the middle bracket is movably connected with the side brackets; protect pillow skeleton and be connected with the installing support, the installing support includes regulator and extensible member, the extensible member is relative the regulator telescopic is connected so that adjust protect pillow skeleton front and back ascending overall position, on the direction of height, protect pillow skeleton with adjustable the connection of position makes between the extensible member protect the pillow skeleton relative the installing support's mounting height can change, and this patent structure only can realize adjusting from top to bottom, and accommodation is limited, can't satisfy more suitable support angle demand.

[ summary of the invention ]

In order to solve the problems, the invention provides the vehicle-mounted neck protection pillow which can be adjusted up and down and back and is ingenious in structural design.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a can be from top to bottom fore-and-aft regulation's on-vehicle neck pillow, includes fixing base 1, adjustment mechanism 2 and neck support pillow 3, the front end of fixing base 1 is provided with assembly opening 10, adjustment mechanism 2 is in including adjusting main part subassembly 21, setting adjust the rear end of main part subassembly 21 and can be relative adjust the buckle subassembly 22 and the setting of main part subassembly 21 back-and-forth movement and be in adjust the front end of main part subassembly 21 and can be relative adjust the connecting piece 23 that main part subassembly 21 reciprocated, connecting piece 23 supports the pillow 3 with the neck and is connected, buckle subassembly 22 stretches into in the assembly opening 10 with fixing base 1 can dismantle the connection.

As a preferred embodiment, further defined is: the buckle assembly 22 comprises a buckle housing 221 and a transverse screw 222 disposed at a front end of the buckle housing 221, the adjustment body assembly 21 comprises a main housing 211, the main housing 211 is provided with a front-rear adjustment cavity 2110 which opens toward the buckle assembly 22, a first knob 212 which is only circumferentially rotatable and not axially movable is disposed in the front-rear adjustment cavity 2110, the first knob 212 is partially exposed outside the main housing 211, the buckle housing 221 is partially disposed in the front-rear adjustment cavity 2110 after assembly, the transverse screw 222 is disposed in the front-rear adjustment cavity 2110 and is in threaded connection with a middle portion of the first knob 212, and the first knob 212 is rotated to move the transverse screw 222 back and forth in the front-rear adjustment cavity 2110 so as to adjust a length of the buckle assembly 22 extending into the adjustment body assembly 21 back and forth.

As a preferred embodiment, further defined is: the rear end of the connecting piece 23 is respectively provided with an upper connecting part 231 located at the upper end of the adjusting main body component 21 and a lower connecting part 232 located at the lower end of the adjusting main body component 21, a longitudinal screw 233 capable of rotating circumferentially relative to the connecting piece 23 is arranged between the upper connecting part 231 and the lower connecting part 232, the longitudinal screw 233 penetrates through the main shell 211 and is in threaded connection with the adjusting main body component 21, and the longitudinal screw 233 is rotated to enable the adjusting main body component 21 to move up and down relative to the connecting piece 23.

As a preferred embodiment, further defined as: the number of the transverse screws 222 is one, the rear end of the transverse screw 222 is fixedly connected with the front end of the buckle housing 221, a fixing plate 2114 is arranged in the main housing 211, the first knob 212 is axially fixed on the fixing plate 2114, a first internal threaded hole 2120 is arranged in the middle of the first knob 212, and the front end of the transverse screw 222 is in threaded connection with the first internal threaded hole 2120.

As a preferred embodiment, further defined as: the number of the transverse screws 222 is two, the rear ends of the two transverse screws 222 are respectively fixedly connected with two sides of the front end of the buckle housing 221, a fixing plate 2114 is arranged in the main housing 211, the first knob 212 is axially fixed on the fixing plate 2114, a first internal threaded hole 2120 is arranged in the middle of the first knob 212, the front end of one of the transverse screws 222 is in threaded connection with the first internal threaded hole 2120, and the front end of the other transverse screw 222 penetrates through the fixing plate 2114.

As a preferred embodiment, further defined is: the number of the longitudinal screw rods 233 is one, the main shell 211 is provided with a third internally threaded hole 2115, and the longitudinal screw rods 233 penetrate through the main shell 211 and are in threaded connection with the third internally threaded hole 2115; two sides of the front end of the buckle shell 221 are respectively provided with a limiting slide rod 213, two ends of the connecting piece 23 are respectively provided with a limiting slide groove 234 matched with the limiting slide rod 213, and when the adjusting main body assembly 21 moves up and down relative to the connecting piece 23, the limiting slide rod 213 moves up and down in the limiting slide groove 234.

As a preferred embodiment, further defined as: the upper connecting portion 231 is provided with a rotating groove 235 with an upward opening, the middle of the rotating groove 235 is provided with a first through hole 236 for the longitudinal screw 233 to pass through, the upper end of the longitudinal screw 233 is provided with a rotating cap 237 positioned in the rotating groove 235, the lower connecting portion 232 is provided with a second through hole 238 for the longitudinal screw 233 to pass through, and the lower end of the longitudinal screw 233 passes through the second through hole 238 and is in threaded connection with a nut 239.

As a preferred embodiment, further defined is: the longitudinal screw rods 233 are arranged in two, the upper connecting portions 231 are arranged in two and are respectively located on two sides of the rear end of the connecting piece 23, the lower connecting portions 232 correspond to the upper connecting portions 231 and are also arranged in two and are respectively located on two sides of the rear end of the connecting piece 23, the longitudinal screw rods 233 are respectively movably connected with the upper connecting portions 231 and the lower connecting portions 232, a second knob 214 is arranged in the main shell 211, part of the second knob 214 is exposed outside the main shell 211, a second internal threaded hole 2140 is formed in the middle of the second knob 214, one of the longitudinal screw rods 233 penetrates through the second knob 214 and is in threaded connection with the second internal threaded hole 2140, and the other longitudinal screw rod 233 penetrates through the main shell 211.

As a preferred embodiment, further defined is: the main housing 211 is mainly formed by covering an upper main housing 2111 and a lower main housing 2112, the front end edge of the buckle housing 221 extends outwards to form a limit card edge 2210, and the size of the cavity opening of the front-back adjusting cavity 2110 is smaller than the size in the cavity of the front-back adjusting cavity 2110 so that a limit part 2113 for limiting the limit card edge 2210 to extend out of the cavity opening of the front-back adjusting cavity 2110 is formed around the cavity opening of the front-back adjusting cavity 2110.

As a preferred embodiment, further defined is: the buckle assembly 22 further comprises buckle pieces 223 symmetrically arranged in the buckle shell 221 and a return spring 224 located between the two buckle pieces 223, one end of each buckle piece 223 is movably connected with the buckle shell 221, the other end of each buckle piece 223 is provided with a buckle part 2231 extending out of the buckle shell 221, the middle part of each buckle piece 223 is provided with a pressing part 2232 extending out of the buckle shell 221, and two ends of the return spring 224 are respectively abutted against the two buckle pieces 223; the buckle housing 221 is provided with a buckle notch 2214 for the buckle part 2231 to extend out and a pressing notch 2213 for the pressing part 2232 to extend out; a fastening groove 11 matched with the fastening part 2231 is arranged in the fixed seat 1.

The beneficial effects of the invention are as follows: the vehicle-mounted neck protection pillow is simple in assembly and ingenious in structural design, can be adjusted up and down and back and forth, meets the use requirements of people of different body types, and provides more suitable support requirements.

[ description of the drawings ]

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an exploded view of the structure of example 1;

FIG. 3 is a schematic view of the front-rear direction adjustment of embodiment 1;

FIG. 4 is a structural sectional view of embodiment 1;

FIG. 5 is a schematic view of the buckle assembly of embodiment 1 employing a transverse screw;

FIG. 6 is an exploded schematic view of FIG. 5;

FIG. 7 is one of the schematic structural views of the adjusting body assembly of embodiment 1 employing a longitudinal screw;

FIG. 8 is a second schematic view of the adjusting body assembly of embodiment 1 employing a longitudinal screw;

FIG. 9 is an exploded view of the adjustment body assembly of embodiment 1;

fig. 10 is a schematic structural view of the fixing base 1;

fig. 11 is an exploded view of the fixing base 1;

FIG. 12 is a schematic view of the structure of embodiment 2;

FIG. 13 is an exploded view of the structure of example 2;

FIG. 14 is a sectional view of the structure of embodiment 2;

FIG. 15 is one of the schematic structural views of the buckle assembly of embodiment 2 employing two transverse screws;

FIG. 16 is one of the schematic structural views of the adjusting body assembly of embodiment 2 employing two longitudinal screws;

FIG. 17 is a second schematic view of the adjusting body assembly of embodiment 2 employing two longitudinal threaded rods;

FIG. 18 is one of exploded schematic views of an adjustment body assembly of embodiment 2;

FIG. 19 is a second exploded view of the adjustment body assembly of embodiment 2;

FIG. 20 is a schematic structural view of the first fastener;

fig. 21 is a schematic view of the first knob.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

example 1

As shown in fig. 1 to 11, the vehicle-mounted neck protection pillow capable of being adjusted up and down and back and forth comprises a fixed seat 1, an adjusting mechanism 2 and a head and neck support pillow 3, wherein the fixed seat 1 is used for being fixedly connected with an adjusting rod of an automobile headrest. The front end of the fixing seat 1 is provided with an assembly opening 10, the adjusting mechanism 2 comprises an adjusting main body component 21, a buckle component 22 which is arranged at the rear end of the adjusting main body component 21 and can move back and forth relatively to the adjusting main body component 21, and a connecting piece 23 which is arranged at the front end of the adjusting main body component 21 and can move up and down relatively to the adjusting main body component 21, the connecting piece 23 is connected with the head and neck support pillow 3, the buckle component 22 extends into the assembly opening 10 and is detachably connected with the fixing seat 1, the fixing seat 1 and an adjusting rod of an automobile headrest are buckled and fixed during use, the buckle component 22 is inserted into the assembly opening 10, the assembly is simple, the structural design is ingenious, the adjusting mechanism 2 can realize the up-down and front-back adjustment, the use requirements of people with different body types are met, and more suitable support requirements are provided.

In the present embodiment, as shown in fig. 5 and fig. 6, the buckle assembly 22 includes a buckle housing 221 and a transverse screw 222 disposed at the front end of the buckle housing 221, the buckle housing 221 is mainly formed by covering an upper buckle housing 2211 and a lower buckle housing 2212, and the upper buckle housing 2211 and the lower buckle housing 2212 are connected by a screw or a screw thread. As shown in fig. 7 to 9, the adjustment body assembly 21 includes a main housing 211, and the main housing 211 is mainly formed by covering an upper main housing 2111 and a lower main housing 2112, and the upper main housing 2111 and the lower main housing 2112 are screwed together by screws. The main housing 211 is provided with a front-rear adjusting cavity 2110 opened toward the buckle assembly 22, the front-rear adjusting cavity 2110 is provided with a first knob 212 which is only circumferentially rotatable and not axially movable, the first knob 212 is partially exposed out of the main housing 211, and further, the upper end of the upper main housing 2111 is provided with an opening for partially exposing the first knob 212 out of the main housing 211. After assembly, the buckle housing 221 is partially located in the front-rear adjusting cavity 2110, the transverse screw 222 is located in the front-rear adjusting cavity 2110 and is in threaded connection with the middle of the first knob 212, and the first knob 212 is rotated to enable the transverse screw 222 to move back and forth in the front-rear adjusting cavity 2110 so as to adjust the length of the buckle assembly 22 extending into the adjusting body assembly 21 in a front-rear direction, so that adjustment in the front-rear direction is realized, and the operation is simple and convenient.

More specifically, the transverse screw 222 is provided as one, and a rear end of the transverse screw 222 is fixedly connected to a front end of the buckle housing 221, and in this embodiment, the transverse screw 222 is fixedly connected to a front end of the upper buckle housing 2211. A fixing plate 2114 is arranged in the main housing 211, the first knob 212 is axially fixed on the fixing plate 2114, a first internal threaded hole 2120 is arranged in the middle of the first knob 212, and the front end of the transverse screw 222 is in threaded connection with the first internal threaded hole 2120.

In this embodiment, the first knob 212 is axially fixed on the fixing plate 2114 through a first fastener 215, as shown in fig. 20, the first fastener 215 has a first fixing portion 2151 abutting against the front end of the fixing plate 2114 after assembly, a transverse through hole 2150 through which the front end of the transverse screw 222 passes is formed in the middle of the first fixing portion 2151, elastic arms 2152 located on two sides of the transverse through hole 2150 are arranged at the rear end of the first fixing portion 2151, and elastic blocks 2153 protruding outwards are arranged at the rear ends of the elastic arms 2152. As shown in fig. 21, the first knob 212 is provided with a screw portion 2121 and a clamp hole 2122 on both sides of the screw portion 2121 for the elastic arm 2152 and the elastic clamp block 2153 to pass through, and the first internally threaded hole 2120 is provided on the screw portion 2121. After the assembly, the threaded portion 2121 is located between the two elastic arms 2152, the two elastic arms 2152 are pressed towards each other when the elastic fixture block 2153 passes through the fixture hole 2122, and after the elastic fixture block 2153 passes through the fixture hole 2122, the two elastic arms 2152 are elastically restored to enable the elastic fixture block 2153 to abut against the rear end of the first knob 212. In order to facilitate the elastic clamping block 2153 to pass through the clamping hole 2122, the elastic clamping block 2153 is further provided with a guide inclined surface 2154.

In this embodiment, in order to prevent the adjustment body assembly 21 from being disengaged from the buckle assembly 22 due to over-rotation during the front-back adjustment, the front end edge of the buckle housing 221 extends outward to form a limiting clamping edge 2210, and the size of the opening of the front-back adjustment cavity 2110 is smaller than the size of the cavity of the front-back adjustment cavity 2110 so that a limiting portion 2113 for limiting the limiting clamping edge 2210 from protruding out of the opening of the front-back adjustment cavity 2110 is formed around the opening of the front-back adjustment cavity 2110. The position limiting clamping edge 2210 can only move in the front-back adjusting cavity 2110.

In this embodiment, as shown in fig. 7 to 9, the rear end of the connecting piece 23 is respectively provided with an upper connecting portion 231 at the upper end of the adjusting body assembly 21 and a lower connecting portion 232 at the lower end of the adjusting body assembly 21, a longitudinal screw 233 capable of rotating circumferentially relative to the connecting piece 23 is arranged between the upper connecting portion 231 and the lower connecting portion 232, the longitudinal screw 233 penetrates through the main housing 211 and is in threaded connection with the adjusting body assembly 21, and rotating the longitudinal screw 233 causes the adjusting body assembly 21 to move up and down relative to the connecting piece 23. More specifically, the longitudinal screw 233 is provided as one, the main housing 211 is provided with a third internally threaded hole 2115, and the longitudinal screw 233 passes through the main housing 211 and is threadedly coupled with the third internally threaded hole 2115; two sides of the front end of the buckle shell 221 are respectively provided with a limiting slide rod 213, two ends of the connecting piece 23 are respectively provided with a limiting slide groove 234 matched with the limiting slide rod 213, and when the adjusting main body assembly 21 moves up and down relative to the connecting piece 23, the limiting slide rod 213 moves up and down in the limiting slide groove 234. The upper connecting portion 231 is provided with a rotating groove 235 with an upward opening, the middle of the rotating groove 235 is provided with a first through hole 236 for the longitudinal screw 233 to pass through, the upper end of the longitudinal screw 233 is provided with a rotating cap 237 positioned in the rotating groove 235, the lower connecting portion 232 is provided with a second through hole 238 for the longitudinal screw 233 to pass through, and the lower end of the longitudinal screw 233 passes through the second through hole 238 and is in threaded connection with a nut 239 so that the longitudinal screw 233 can rotate circumferentially relative to the connecting member 23. In this embodiment, the rotating cap 237 is provided with a twist groove 2371 and a rib 2372 inside the twist groove 2371. When the vertical adjustment is needed, fingers extend into the twisting grooves 2371 to hold the reinforcing ribs 2372 by hand, so that the longitudinal screw 233 can be twisted. Or the reinforcing ribs 2372 are clamped by tools to be twisted, so that the operation is simple and convenient.

In this embodiment, the buckle assembly 22 further includes two buckle pieces 223 symmetrically disposed in the buckle housing 221 and a return spring 224 disposed between the two buckle pieces 223, one end of the buckle piece 223 is movably connected to the buckle housing 221, the other end of the buckle piece 223 is provided with a buckle portion 2231 extending outside the buckle housing 221, the middle portion of the buckle piece 223 is provided with a pressing portion 2232 extending outside the buckle housing 221, and two ends of the return spring 224 are respectively abutted against the two buckle pieces 223; the buckle housing 221 is provided with a buckle notch 2214 for the buckle part 2231 to extend out and a pressing notch 2213 for the pressing part 2232 to extend out; a fastening groove 11 matched with the fastening part 2231 is arranged in the fixed seat 1. During assembly, the snap assembly 22 is directly pushed into the assembly opening 10. In the pushing-in process, the inner wall of the assembly opening 10 can press the two buckling pieces 223 to approach each other, and when the buckling part 2231 is located in the buckling groove 11, the return spring 224 can drive the two buckling pieces 223 to return to realize the buckling. When the buckle needs to be detached, the pressing portion 2232 is pressed to make the two buckling pieces 223 approach to each other and then pulled out, so that the operation is simple.

Example 2

The embodiment 1 is different from the embodiment 2 in that the transverse screw 222 and the longitudinal screw 233 of the embodiment 1 are respectively provided as one, and the transverse screw 222 and the longitudinal screw 233 of the embodiment 2 are respectively provided as two.

As shown in fig. 12 to 19, the vehicle-mounted neck protection pillow capable of being adjusted up and down and back and forth comprises a fixed seat 1, an adjusting mechanism 2 and a head and neck support pillow 3, wherein the fixed seat 1 is used for being fixedly connected with an adjusting rod of an automobile headrest. The front end of the fixing seat 1 is provided with an assembly opening 10, the adjusting mechanism 2 comprises an adjusting main body component 21, a buckle component 22 which is arranged at the rear end of the adjusting main body component 21 and can move back and forth relatively to the adjusting main body component 21, and a connecting piece 23 which is arranged at the front end of the adjusting main body component 21 and can move up and down relatively to the adjusting main body component 21, the connecting piece 23 is connected with the head and neck support pillow 3, the buckle component 22 extends into the assembly opening 10 and is detachably connected with the fixing seat 1, the fixing seat 1 and an adjusting rod of an automobile headrest are buckled and fixed during use, the buckle component 22 is inserted into the assembly opening 10, the assembly is simple, the structural design is ingenious, the adjusting mechanism 2 can realize the up-down and front-back adjustment, the use requirements of people with different body types are met, and more suitable support requirements are provided.

In this embodiment, as shown in fig. 15, the buckle assembly 22 includes a buckle housing 221 and a transverse screw 222 disposed at the front end of the buckle housing 221, the buckle housing 221 is mainly formed by covering an upper buckle housing 2211 and a lower buckle housing 2212, and the upper buckle housing 2211 and the lower buckle housing 2212 are connected by a screw thread. As shown in fig. 16 to 19, the adjustment body assembly 21 includes a main housing 211, and the main housing 211 is mainly formed by covering an upper main housing 2111 and a lower main housing 2112, and the upper main housing 2111 and the lower main housing 2112 are screwed together by screws. The main housing 211 is provided with a front-rear adjusting cavity 2110 opened toward the buckle assembly 22, the front-rear adjusting cavity 2110 is provided with a first knob 212 which is only circumferentially rotatable and not axially movable, the first knob 212 is partially exposed out of the main housing 211, and further, the upper end of the upper main housing 2111 is provided with an opening through which the first knob 212 is partially exposed out of the main housing 211. After assembly, the buckle housing 221 is partially located in the front-rear adjusting cavity 2110, the transverse screw 222 is located in the front-rear adjusting cavity 2110 and is in threaded connection with the middle of the first knob 212, and the first knob 212 is rotated to enable the transverse screw 222 to move back and forth in the front-rear adjusting cavity 2110 so as to adjust the length of the buckle assembly 22 extending into the adjusting body assembly 21 in a front-rear direction, so that adjustment in the front-rear direction is realized, and the operation is simple and convenient.

More specifically, two transverse screws 222 are provided, and rear ends of the two transverse screws 222 are respectively fixedly connected to two sides of the front end of the buckle housing 221, in this embodiment, the transverse screws 222 are fixedly connected to the front end of the lower buckle housing 2212. A fixing plate 2114 is arranged in the main housing 211, the first knob 212 is axially fixed on the fixing plate 2114, a first internally threaded hole 2120 is arranged in the middle of the first knob 212, the front end of one of the transverse screws 222 is in threaded connection with the first internally threaded hole 2120, and the front end of the other transverse screw 222 penetrates through the fixing plate 2114.

In this embodiment, the first knob 212 is axially fixed on the fixing plate 2114 through a first fastener 215, as shown in fig. 20, the first fastener 215 has a first fixing portion 2151 abutting against the front end of the fixing plate 2114 after assembly, a transverse through hole 2150 through which the front end of the transverse screw 222 passes is formed in the middle of the first fixing portion 2151, elastic arms 2152 located on two sides of the transverse through hole 2150 are arranged at the rear end of the first fixing portion 2151, and elastic blocks 2153 protruding outwards are arranged at the rear ends of the elastic arms 2152. As shown in fig. 21, the first knob 212 is provided with a screw portion 2121 and a clamp hole 2122 on both sides of the screw portion 2121 for the elastic arm 2152 and the elastic clamp block 2153 to pass through, and the first internally threaded hole 2120 is provided on the screw portion 2121. After the assembly, the threaded portion 2121 is located between the two elastic arms 2152, the two elastic arms 2152 are pressed towards each other when the elastic fixture block 2153 passes through the fixture hole 2122, and after the elastic fixture block 2153 passes through the fixture hole 2122, the two elastic arms 2152 are elastically restored to enable the elastic fixture block 2153 to abut against the rear end of the first knob 212. In order to facilitate the elastic clamping block 2153 to pass through the clamping hole 2122, the elastic clamping block 2153 is further provided with a guide inclined surface 2154. The fixing plate 2114 is further provided with a second latch 216, the structure of the second latch 216 is similar to that of the first latch 215, only that the length of the elastic arm of the second latch 216 is shorter than that of the elastic arm 2152 of the first latch 215, and the front end of the other transverse screw 222 passes through the second latch 216. The two transverse screws 222 can be used for balancing, and the mechanical movement is more stable.

In this embodiment, in order to prevent the adjustment body assembly 21 from being disengaged from the buckle assembly 22 due to over-rotation during the front-back adjustment, the front end edge of the buckle housing 221 extends outward to form a limiting clamping edge 2210, and the size of the opening of the front-back adjustment cavity 2110 is smaller than the size of the cavity of the front-back adjustment cavity 2110 so that a limiting portion 2113 for limiting the limiting clamping edge 2210 from protruding out of the opening of the front-back adjustment cavity 2110 is formed around the opening of the front-back adjustment cavity 2110. The position limiting clamping edge 2210 can only move in the front-back adjusting cavity 2110.

In this embodiment, as shown in fig. 16 to 19, the rear end of the connecting member 23 is respectively provided with an upper connecting portion 231 located at the upper end of the adjusting body assembly 21 and a lower connecting portion 232 located at the lower end of the adjusting body assembly 21, a longitudinal screw 233 capable of rotating circumferentially relative to the connecting member 23 is arranged between the upper connecting portion 231 and the lower connecting portion 232, the longitudinal screw 233 passes through the main housing 211 and is in threaded connection with the adjusting body assembly 21, and the adjusting body assembly 21 moves up and down relative to the connecting member 23 by rotating the longitudinal screw 233. More specifically, the number of the longitudinal screws 233 is two, the number of the upper connecting portions 231 is two and is located at two sides of the rear end of the connecting member 23, the number of the lower connecting portions 232 is two corresponding to the number of the upper connecting portions 231 and is located at two sides of the rear end of the connecting member 23, the two longitudinal screws 233 are movably connected with the upper connecting portion 231 and the lower connecting portion 232, the main housing 211 is internally provided with a second knob 214, a part of the second knob 214 is exposed outside the main housing 211, the middle of the second knob 214 is provided with a second internal threaded hole 2140, one of the longitudinal screws 233 passes through the second knob 214 and is in threaded connection with the second internal threaded hole 2140, and the other longitudinal screw 233 passes through the main housing 211.

In this embodiment, the second knob 214 is axially fixed to the main housing 211 by using a latch having the same structure as the first latch 215. The main housing 211 is further provided with a latch having the same structure as the second latch 216 for the other longitudinal screw 233 to pass through. The two longitudinal screws 233 are adopted to play a balancing role, and the mechanical movement is more stable.

In this embodiment, the upper connecting portion 231 is provided with a rotating groove 235 with an upward opening, a first through hole 236 for the longitudinal screw 233 to pass through is provided in the middle of the rotating groove 235, a rotating cap 237 located in the rotating groove 235 is provided at the upper end of the longitudinal screw 233, the lower connecting portion 232 is provided with a second through hole 238 for the longitudinal screw 233 to pass through, and the lower end of the longitudinal screw 233 passes through the second through hole 238, so that the longitudinal screw 233 can rotate relative to the connecting member 23. When the up-down direction adjustment is needed, the up-down direction adjustment can be realized by rotating the second knob 214, and the operation is simple and convenient.

In this embodiment, the buckle assembly 22 further includes two buckle pieces 223 symmetrically disposed in the buckle housing 221 and a return spring 224 disposed between the two buckle pieces 223, one end of the buckle piece 223 is movably connected to the buckle housing 221, the other end of the buckle piece 223 is provided with a buckle portion 2231 extending outside the buckle housing 221, the middle portion of the buckle piece 223 is provided with a pressing portion 2232 extending outside the buckle housing 221, and two ends of the return spring 224 are respectively abutted against the two buckle pieces 223; the buckle housing 221 is provided with a buckle notch 2214 for the buckle part 2231 to extend out and a pressing notch 2213 for the pressing part 2232 to extend out; a fastening groove 11 matched with the fastening part 2231 is arranged in the fixed seat 1. During assembly, the snap assembly 22 is directly pushed into the assembly opening 10. In the pushing process, the inner wall of the assembling hole 10 presses the two buckling pieces 223 to approach each other, and when the buckling part 2231 is located in the buckling groove 11, the return spring 224 drives the two buckling pieces 223 to return, so as to realize the clamping. When the buckle needs to be detached, the pressing part 2232 is pressed to make the two buckling pieces 223 approach each other and then be pulled out, so that the operation is simple.

Example 3

The difference between embodiment 1 and embodiment 3 lies in the selection of the number of the transverse screws 222 and the longitudinal screws 233 and the corresponding matching structure. The number of the transverse screws 222 is 1 as in the related structure of embodiment 1, and the number of the longitudinal screws 233 is 2 as in the related structure of embodiment 2, which will not be described herein.

Example 4

The difference between embodiment 1 and embodiment 4 lies in the selection of the number of the transverse screws 222 and the longitudinal screws 233 and the corresponding matching structure. The number of the longitudinal screw rods 233 may be set to 1 with reference to the structure of embodiment 1, and the number of the transverse screw rods 222 may be set to 2 with reference to the structure of embodiment 2, which will not be described herein.

Claims (9)

1. The utility model provides a vehicle-mounted neck pillow that can adjust from top to bottom, includes fixing base (1), adjustment mechanism (2) and neck support pillow (3), its characterized in that: the front end of the fixed seat (1) is provided with an assembling port (10), the adjusting mechanism (2) comprises an adjusting main body component (21), a buckle component (22) which is arranged at the rear end of the adjusting main body component (21) and can move back and forth relative to the adjusting main body component (21), and a connecting piece (23) which is arranged at the front end of the adjusting main body component (21) and can move up and down relative to the adjusting main body component (21), the connecting piece (23) is connected with the head and neck supporting pillow (3), and the buckle component (22) extends into the assembling port (10) and is detachably connected with the fixed seat (1); the buckle assembly (22) comprises a buckle shell (221) and a transverse screw rod (222) arranged at the front end of the buckle shell (221), the adjusting body assembly (21) comprises a main shell (211), the main shell (211) is provided with a front-back adjusting cavity (2110) with an opening facing the buckle assembly (22), a first knob (212) which can only rotate circumferentially and cannot move axially is arranged in the front-back adjusting cavity (2110), the first knob (212) is partially exposed out of the main shell (211), the buckle shell (221) is partially arranged in the front-back adjusting cavity (2110) after assembly, the transverse screw rod (222) is arranged in the front-back adjusting cavity (2110) and is in threaded connection with the middle part of the first knob (212), and the first knob (212) is rotated to enable the transverse screw rod (222) to move back and forth in the front-back adjusting cavity (2110) so as to adjust the buckle assembly (22) to extend into the adjusting body assembly (21) front-back Length of (d).

2. The on-vehicle neck pillow that can adjust from top to bottom and front and back according to claim 1, characterized in that: the rear end of connecting piece (23) is provided with respectively and is located adjust last connecting portion (231) of main part subassembly (21) upper end and be located adjust lower connecting portion (232) of main part subassembly (21) lower extreme, it can be relative to be provided with between last connecting portion (231) and lower connecting portion (232) connecting piece (23) circumferential direction's vertical screw rod (233), vertical screw rod (233) pass main casing body (211) and with adjust main part subassembly (21) threaded connection, rotate vertical screw rod (233) make and adjust main part subassembly (21) relative connecting piece (23) reciprocate.

3. The on-vehicle neck pillow that can adjust from top to bottom and front and back according to claim 2, characterized in that: the clamping device is characterized in that one transverse screw rod (222) is arranged, the rear end of the transverse screw rod (222) is fixedly connected with the front end of the clamping shell (221), a fixing plate (2114) is arranged in the main shell (211), the first knob (212) is axially fixed on the fixing plate (2114), a first internal thread hole (2120) is formed in the middle of the first knob (212), and the front end of the transverse screw rod (222) is in threaded connection with the first internal thread hole (2120).

4. The on-vehicle neck pillow that can adjust from top to bottom and front and back according to claim 2, characterized in that: the two transverse screws (222) are arranged, the rear ends of the two transverse screws (222) are fixedly connected with two sides of the front end of the buckle shell (221) respectively, a fixing plate (2114) is arranged in the main shell (211), the first knob (212) is axially fixed on the fixing plate (2114), a first internal threaded hole (2120) is formed in the middle of the first knob (212), the front end of one transverse screw (222) is in threaded connection with the first internal threaded hole (2120), and the front end of the other transverse screw (222) penetrates through the fixing plate (2114).

5. The on-vehicle neck pillow that can adjust from top to bottom and front and back according to claim 2, characterized in that: the number of the longitudinal screw rods (233) is one, the main shell (211) is provided with a third internally threaded hole (2115), and the longitudinal screw rods (233) penetrate through the main shell (211) and are in threaded connection with the third internally threaded hole (2115); the front end of the buckle shell (221) is provided with limiting sliding rods (213) on two sides, the two ends of the connecting piece (23) are provided with limiting sliding grooves (234) matched with the limiting sliding rods (213), and the adjusting main body assembly (21) is opposite to the connecting piece (23) when moving up and down, the limiting sliding rods (213) move up and down in the limiting sliding grooves (234).

6. A vehicle-mounted neck pillow capable of being adjusted up and down and back and forth according to claim 5, characterized in that: go up connecting portion (231) and be provided with opening pivoted groove (235) up, the middle part of pivoted groove (235) is provided with the confession first through-hole (236) that vertical screw rod (233) passed, the upper end of vertical screw rod (233) is provided with and is located pivoted cap (237) in pivoted groove (235), lower connecting portion (232) is provided with the confession second through-hole (238) that vertical screw rod (233) passed, the lower extreme of vertical screw rod (233) passes threaded connection has nut (239) behind second through-hole (238).

7. The on-vehicle neck pillow that can adjust from top to bottom and front and back according to claim 2, characterized in that: the number of the longitudinal screw rods (233) is two, the number of the upper connecting parts (231) is two, the upper connecting parts are respectively positioned at two sides of the rear end of the connecting piece (23), the two lower connecting parts (232) are also arranged corresponding to the upper connecting part (231) and are respectively positioned at two sides of the rear end of the connecting piece (23), the two longitudinal screws (233) are respectively movably connected with the upper connecting part (231) and the lower connecting part (232), a second knob (214) is arranged in the main shell (211), the second knob (214) is partially exposed outside the main shell (211), a second internal threaded hole (2140) is arranged in the middle of the second knob (214), one of the longitudinal screw rods (233) penetrates through the second knob (214) and is in threaded connection with the second internally threaded hole (2140), and the other longitudinal screw rod (233) penetrates through the main shell (211).

8. A vehicle-mounted neck pillow capable of being adjusted up and down and back and forth according to any one of claims 1 to 7, characterized in that: the main shell (211) is mainly formed by covering an upper main shell (2111) and a lower main shell (2112), the front end edge of the buckle shell (221) extends outwards to form a limit clamping edge (2210), and the size of the cavity opening of the front-back adjusting cavity (2110) is smaller than that of the cavity of the front-back adjusting cavity (2110), so that a limit part (2113) used for limiting the limit clamping edge (2210) to extend out of the cavity opening of the front-back adjusting cavity (2110) is formed around the cavity opening of the front-back adjusting cavity (2110).

9. A vehicle-mounted neck pillow capable of being adjusted up and down and back and forth according to any one of claims 1 to 7, characterized in that: the buckle assembly (22) further comprises buckle pieces (223) symmetrically arranged in the buckle shell (221) and a return spring (224) located between the two buckle pieces (223), one end of each buckle piece (223) is movably connected with the buckle shell (221), the other end of each buckle piece (223) is provided with a buckle part (2231) extending out of the buckle shell (221), the middle part of each buckle piece (223) is provided with a pressing part (2232) extending out of the buckle shell (221), and two ends of each return spring (224) are respectively abutted against the two buckle pieces (223); the buckle shell (221) is provided with a buckle notch (2214) for the buckle part (2231) to extend out and a pressing notch (2213) for the pressing part (2232) to extend out; a fastening groove (11) matched with the fastening part (2231) is arranged in the fixed seat (1).

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