CN210454559U

CN210454559U - Adjustable length armrest

Info

Publication number: CN210454559U
Application number: CN201921581372.2U
Authority: CN
Inventors: 黄镇; 李展飞
Original assignee: Magna Seat Taizhou Co ltd
Current assignee: Magna Seat Taizhou Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-05
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a length-adjustable chair armrest, which comprises an armrest fixing seat connected with a chair backrest framework and an armrest movable component matched with the armrest fixing seat in a sliding way; the armrest movable component is provided with a bottom shell, and the bottom of the front end of the bottom shell is provided with a front through hole which is sequentially connected with a front-end sliding block, a front-end sliding rail and a front-end framework; the bottom of the rear end of the bottom shell is provided with a rear through hole which is sequentially connected with a rear end sliding block, a rear end sliding rail and a rear end framework; the handrail panel, the foaming piece and the surface sleeve are connected with the front end framework and the rear end framework; the front end framework is fixedly connected with a steel wire used as a limiting device; the armrest fixing seat comprises an inner shell and an outer shell, a fixing seat framework and a limiting locking plate are arranged in the middle of the armrest fixing seat, a sliding groove is arranged in the middle of the plate, the sliding groove is matched with a steel wire in a sliding mode, a steel pipe penetrates through the rear end of the fixing seat framework, the fixing seat framework is connected with the seat framework through the steel pipe, and a fixing piece is reinforced at the end part of the steel pipe; the lower extreme of front end slider links firmly with the front end of fixing base skeleton, and the lower extreme of rear end slider links firmly with the rear end of fixing base skeleton.

Description

Adjustable length armrest

Technical Field

The utility model relates to an automobile accessory technical field, concretely relates to armrest apparatus of car seat.

Background

The existing automobile seat armrest generally focuses on the overall structural coordination and attractive appearance of the seat, the length of the corresponding armrest is generally fixed, and the individual requirements of passengers caused by different arm lengths are rarely considered, so that the arm support comfort of the passengers with different heights or heights is greatly limited. In the prior art, although some automobile manufacturers improve the length of the armrest, the structure is complicated and the operation is not flexible when viewing the scheme.

For example, chinese patent application No. 201810532131.2, entitled "foldable seat armrest," discloses a variable length seat armrest. The utility model discloses a be connected handrail panel and folding panel through hinge means, make folding panel rotate and obtain the result of extension handrail for handrail panel, nevertheless to the passenger of sitting on the seat, need folding panel rotation by a wide margin, very inconvenient, the effect can not be satisfied.

Disclosure of Invention

The utility model aims at overcoming prior art's car seat handrail and having length fixed, adaptability is poor, and the comfort level is low not enough, or adjust inconvenient, and the effect can not be satisfied defect provides an adjustable length, easy and simple to handle's seat handrail device.

The purpose of the utility model is realized through the following technical scheme.

A chair armrest with adjustable length is characterized by comprising an armrest fixing seat connected with a chair backrest framework by a pin shaft, wherein an armrest movable component is in sliding fit with the upper part of the armrest fixing seat; the handrail movable assembly is provided with a bottom shell, the bottom of the front end of the bottom shell is provided with a front through hole, a front end sliding block is arranged in the front through hole, the upper surface of the front end sliding block is matched with a front end sliding rail in a sliding way, and the upper surface of the front end sliding rail is fixedly connected with a front end framework; the bottom of the rear end of the bottom shell is provided with a rear through hole, a rear end sliding block is arranged in the rear through hole, the upper surface of the rear end sliding block is in sliding fit with the rear end sliding rail, and the upper surface of the rear end sliding rail is fixedly connected with the rear end framework; the handrail panel, the foaming piece and the surface sleeve are connected with the front end framework and the rear end framework; the front end framework is fixedly connected with a downwardly extending steel wire serving as a limiting device; the handrail fixing seat comprises an inner shell and an outer shell, a fixing seat framework is arranged between the inner shell and the outer shell, the front end of the fixing seat framework is fixedly connected with a limiting locking plate, a sliding groove is arranged in the middle of the limiting locking plate, the sliding groove is matched with the steel wire in a sliding manner, and the length of the groove is set according to the maximum sliding distance of the handrail movable assembly; a steel pipe penetrates through the rear end of the fixed seat framework, the steel pipe connects the fixed seat framework and the seat framework, and the end part of the steel pipe is reinforced and fixed; the lower extreme of front end slider links firmly with the front end of fixing base skeleton, and the lower extreme of rear end slider links firmly with the rear end of fixing base skeleton.

Preferred scheme, the spout closes on the lateral wall at both ends and all is equipped with the boss, distance between two relative bosss slightly is less than the diameter of steel wire, spacing lock plate is made with the better plastics of elasticity, when the steel wire is crowded between two bosss, spacing lock plate receives extrusion deformation, this position spout widen, after the steel wire passes through between two bosss, spacing lock plate reconversion, two bosss block the steel wire and with the steel wire locking at the front end or the rear end of spout, the handrail movable assembly locking the place ahead position or the rear position that will be connected with the steel wire simultaneously.

According to the preferable scheme, the lower end of the front-end sliding block is fixedly connected with the front end of the fixed seat framework, and the lower end of the rear-end sliding block is fixedly connected with the rear end of the fixed seat framework through bolts.

In the preferred scheme, the front end framework is preset with an insertion hole, and the steel wire is inserted into the insertion hole and is welded or fixed by gluing.

According to the preferred scheme, bolt connecting holes convenient to assemble are respectively preset at the bottoms of the front end sliding block and the rear end sliding block of the handrail movable assembly.

According to the preferable scheme, the two sides of the inner side wall of the sliding chute are of symmetrical wave-shaped structures, the distance between the peaks of the wave-shaped structures corresponding to the two sides is slightly smaller than the diameter of the steel wire, and the distance between the corresponding peaks and the corresponding valleys of the two sides corresponds to the diameter of the steel wire; the better and stand wear and tear plastics of elasticity are used to spacing lock plate and are made, and when the steel wire was through between arbitrary pair of summit, spacing lock plate received extrusion deformation, and the spout widen, and after the steel wire was through corresponding between the two summits, spacing lock plate reconversion, two correspond the summits and block the steel wire and lock the steel wire in this position of spout, the handrail movable assembly that will be connected with the steel wire simultaneously locks. This configuration allows for a variety of options for the length of the handrail.

The utility model has the advantages that:

1. can meet the requirements of the passengers on arms with different lengths;

2. the operation is very convenient, and the passenger only needs to pinch the handrail by hand and push the handrail forwards or backwards along the situation to complete the extension or contraction action;

3. the handrail movable assembly is in sliding fit with the handrail fixed seat, the structure is coordinated, and the appearance is neat;

4. the position is locked by the elastic deformation force of the plastic part, and the structure is simple and convenient;

5. simple structure and low manufacturing cost.

Drawings

FIG. 1 is a schematic view of an assembly overview of one embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment handrail moving assembly;

FIG. 3 is an exploded view of an embodiment of a handrail mount;

FIG. 4 is a schematic view of the engagement of the position limiting lock plate with the wire;

FIG. 5 is an isometric view of the armrest mount;

FIG. 6 is a schematic view of the front end slider and the rear end slider mounting;

FIG. 7 is a schematic side view of an assembly of the armrest moving assembly;

FIG. 8 is a schematic view of the operation of the armrest;

FIG. 9 is a schematic view of another embodiment positive lock plate.

In the drawings, a seatback frame 1; a handrail fixing seat 2; the inner case 21; an outer case 22; a fixed seat framework 23; a limit lock plate 24; a chute 241; a boss 242; a steel pipe 25; a handrail moving component 3; a bottom shell 4; a front end slider 5; a front end slide rail 6; a front end skeleton 7; a rear end slider 8; a rear end slide rail 9; a rear end skeleton 10; an armrest panel 11; a foamed member 12; a face cover 13; a steel wire 14; a connecting hole 15; a wave-shaped structure 16.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1: as shown in fig. 1 and 2, a length-adjustable seat armrest comprises an armrest fixing seat 2 connected with a seat back frame 1 by a pin shaft, and an armrest movable assembly 3 slidably engaged with an upper portion of the armrest fixing seat 2; the armrest movable component 3 is provided with a bottom shell 4, the bottom of the front end of the bottom shell 4 is provided with a front through hole, a front end sliding block 5 is arranged in the front through hole, the upper surface of the front end sliding block 5 is matched with a front end sliding rail 6 in a sliding way, and the front end sliding rail 6 is fixedly connected with a front end framework 7; the bottom of the rear end of the bottom shell 4 is provided with a rear through hole, a rear end sliding block 8 is arranged in the rear through hole, the upper surface of the rear end sliding block 8 is in sliding fit with a rear end sliding rail 9, and the rear end sliding rail 9 is fixedly connected with a rear end framework 10; bolt connecting holes convenient to assemble are preset at the bottoms of the front end sliding block 5 and the rear end sliding block 8 respectively.

The handrail panel 11, the foaming piece 12 and the surface sleeve 13 are connected with the front end framework 7 and the rear end framework 10; a downwardly extending steel wire 14 serving as a limiting device is fixedly connected to the front end framework 7 near the front end.

Referring to fig. 3 and 4, the armrest fixing seat 2 includes an inner shell 21 and an outer shell 22, a fixing seat framework 23 is disposed between the inner shell 21 and the outer shell 22, a limiting locking plate 24 is fixedly connected to the front end of the fixing seat framework 23, a sliding groove 241 is disposed in the middle of the limiting locking plate 24, the sliding groove 241 is in sliding fit with the steel wire 14, and the length of the sliding groove 241 is set according to the maximum adjusting sliding distance of the armrest movable assembly 3; a steel pipe 25 with a groove is arranged at the rear end of the fixed seat framework 23 and penetrates through the steel pipe 25, the fixed seat framework 23 is connected with the seat framework through the steel pipe 25, the end part of the steel pipe 25 is matched in the groove through a steel wire check ring or an open check ring to be fixed, and the check ring is of a specially-made square open elastic structure; the lower extreme of front end slider 5 links firmly with the front end of fixing base skeleton 23, and the lower extreme of rear end slider 8 links firmly with the rear end of fixing base skeleton 23. The lateral wall that the spout 241 is close to both ends all is equipped with boss 242, the distance between two relative bosses 242 slightly is less than the diameter of steel wire 14, spacing locking plate 24 is made with the better plastics of elasticity, when steel wire 14 extrudes between two bosses 242, spacing locking plate 24 receives extrusion deformation, the widening of spout 241 of this position, after steel wire 14 passes through between two bosses 242, spacing locking plate 24 resumes, two bosses 242 block steel wire 14 and lock steel wire 14 at the front end or the rear end of spout 241, the handrail movable assembly 3 that will be connected with steel wire 14 locks the place ahead position or rear position simultaneously.

Referring to fig. 5 and 6, the lower end of the front end slider 5 is fixedly connected with the front end of the fixed seat framework 23, and the lower end of the rear end slider 8 is fixedly connected with the rear end of the fixed seat framework 23. In the 2 assemblies of handrail fixing base, fixing base skeleton 23 provides the bulk strength, and all leaves the position of installation front end slider 5 and rear end slider 8 at front end and rear end, passes through the bolt fastening when the assembly.

The front end framework 7 is preset with an insertion hole, and the steel wire 14 is inserted into the insertion hole and is welded or glued and fixed.

Referring to fig. 7, the movable armrest assembly 3 is pre-installed with a connecting plate of the front end frame 7 and the rear end frame 10, and the connecting plate is provided with a connecting hole 15.

Fig. 8 is a schematic view of the operation of the movable armrest assembly 3, in which X denotes the front of the armrest.

Example 2: referring to fig. 9, the two sides of the inner side wall of the chute are symmetrical wave-shaped structures 16, the distance between the peaks of each pair of wave-shaped structures at the two sides is slightly smaller than the diameter of the steel wire, and the distance between the corresponding peaks and valleys at the two sides corresponds to the diameter of the steel wire; the spacing locking plate is made of the plastic with good elasticity and wear resistance, when the steel wire passes through between the corresponding peaks of any one position, the spacing locking plate is extruded and deformed, the sliding groove is correspondingly widened, and after the steel wire passes through the corresponding peaks, the spacing locking plate is restored to the original state, the two corresponding peaks clamp the steel wire and lock the steel wire at the position of the sliding groove, and meanwhile, the handrail moving assembly connected with the steel wire is locked. The scheme can make the length of the handrail have more choices. The rest of the structure is the same as that of example 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A chair armrest with adjustable length is characterized by comprising an armrest fixing seat connected with a chair backrest framework by a pin shaft, wherein an armrest movable component is in sliding fit with the upper part of the armrest fixing seat; the handrail movable assembly is provided with a bottom shell, the bottom of the front end of the bottom shell is provided with a front through hole, a front end sliding block is arranged in the front through hole, the upper surface of the front end sliding block is matched with a front end sliding rail in a sliding way, and the upper surface of the front end sliding rail is fixedly connected with a front end framework; the bottom of the rear end of the bottom shell is provided with a rear through hole, a rear end sliding block is arranged in the rear through hole, the upper surface of the rear end sliding block is in sliding fit with the rear end sliding rail, and the upper surface of the rear end sliding rail is fixedly connected with the rear end framework; the handrail panel, the foaming piece and the surface sleeve are connected with the front end framework and the rear end framework; the front end framework is fixedly connected with a downwardly extending steel wire serving as a limiting device; the handrail fixing seat comprises an inner shell and an outer shell, a fixing seat framework is arranged between the inner shell and the outer shell, the front end of the fixing seat framework is fixedly connected with a limiting locking plate, a sliding groove is arranged in the middle of the limiting locking plate, the sliding groove is matched with the steel wire in a sliding manner, and the length of the groove is set according to the maximum sliding distance of the handrail movable assembly; a steel pipe penetrates through the rear end of the fixed seat framework, the steel pipe connects the fixed seat framework and the seat framework, and the end part of the steel pipe is reinforced and fixed; the lower extreme of front end slider links firmly with the front end of fixing base skeleton, and the lower extreme of rear end slider links firmly with the rear end of fixing base skeleton.

2. The adjustable length armrest as claimed in claim 1, wherein the side walls of the sliding slot adjacent to the two ends are provided with bosses, the distance between the two opposing bosses is slightly smaller than the diameter of the steel wire, the position-limiting locking plate is made of plastic with good elasticity, when the steel wire is extruded between the two bosses, the position-limiting locking plate is deformed by extrusion, the sliding slot is widened, after the steel wire passes between the two bosses, the position-limiting locking plate returns to its original shape, the two bosses lock the steel wire and lock the steel wire at the front end or the rear end of the sliding slot, and simultaneously lock the armrest movable member connected with the steel wire at the front position or the rear position.

3. The adjustable length armrest of claim 2, wherein the lower end of the front slider is fixedly connected to the front end of the fixed seat frame and the lower end of the rear slider is fixedly connected to the rear end of the fixed seat frame by bolts.

4. The adjustable length armrest as claimed in claim 3, wherein the front frame is provided with a hole into which the wire is inserted and fixed by welding or gluing.

5. The adjustable length armrest of claim 1, 2, 3 or 4, wherein the front slider and the rear slider of the armrest movable assembly are provided with bolt connection holes at their bottoms for easy assembly.

6. The adjustable length armrest as claimed in claim 1, wherein the inner side wall of the sliding groove has symmetrical wave-shaped structures at both sides, the distance between the peaks of the corresponding wave-shaped structures at both sides is slightly smaller than the diameter of the steel wire, and the distance between the corresponding peaks and valleys at both sides corresponds to the diameter of the steel wire; the better and stand wear and tear plastics of elasticity are used to spacing lock plate and are made, and when the steel wire was through between arbitrary pair of summit, spacing lock plate received extrusion deformation, and the spout widen, and after the steel wire was through corresponding between the two summits, spacing lock plate reconversion, two correspond the summits and block the steel wire and lock the steel wire in this position of spout, the handrail movable assembly that will be connected with the steel wire simultaneously locks.