CN217994426U

CN217994426U - Angle-adjustable backrest of sleeping car in motor train compartment

Info

Publication number: CN217994426U
Application number: CN202221287105.6U
Authority: CN
Inventors: 朱敏炎; 能力; 薛缘; 彭杨洋
Original assignee: NANJING HAITIAN RAIL VEHICLES AND EQUIPMENT Ltd
Current assignee: NANJING HAITIAN RAIL VEHICLES AND EQUIPMENT Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-12-09
Anticipated expiration: 2032-05-26

Abstract

The utility model provides an adjustable angle back of sleeping car between motor car package, which comprises a backrest, the interior bottom cover of back is equipped with the loop bar that extends to its outside, the both sides of loop bar have all set firmly the mounting panel, and are two sets of the back one end that the mounting panel is close to one side mutually has set firmly the connecting rod jointly: the utility model discloses a pulling U type connecting rod drives the slider and carries out compression work to the spring in the inside slip of spout, accessible slider drives the ring gear and removes to the inside release of ring gear to its fixed work this moment, then the user can directly drive its outside rotation along the loop bar to the surface of back and carry out stretching work to the coil spring, adjust when appointed angle when the back and drive its angle of regulation that recovers the back and carry out fixed work loosening the elasticity restoring force of U type connecting rod through the spring, so that make things convenient for operating personnel to adjust the back angle according to the user demand, the effectual comfort that has improved this back and use, and this structural design is simple reasonable, and be suitable for the popularization.

Description

Angle-adjustable backrest of sleeping car in motor train compartment

Technical Field

The utility model relates to an adjustable angle back field especially relates to an adjustable angle back of sleeping car between motor train railway carriage or compartment.

Background

The seat backrest of the sleeping car in the motor train coach room is arranged above the sleeping car seat and supports the back of a user, so that the user feels comfortable when taking a car.

The conventional backrest has the following disadvantages in use: traditional back inner structure is comparatively single, and the majority all is fixed mounting to the sleeping car seat on to lead to the user of service to be not convenient for adjust according to the in-service use condition, reduced the comfort that the user used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overcome above-mentioned problem or solve an adjustable angle back of sleeping car between motor train railway carriage or compartment at least partially to solve traditional back and have following defect when using: traditional back inner structure is comparatively single, and the majority all is fixed mounting to the sleeping carriage seat on to lead to the user of service to be not convenient for adjust according to the in-service use condition, reduced the problem of the comfort that the user used.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides an adjustable angle back of sleeping car between motor car package, which comprises a backrest, the interior bottom cover of back is equipped with the loop bar that extends to its outside, the both sides of loop bar have all set firmly the mounting panel, and are two sets of the back one end that the mounting panel is close to one side mutually has set firmly the connecting rod jointly, and is two sets of fixed screw has all been seted up to the top and the bottom of the inside back one end of mounting panel, and the homonymy is two sets of the inside all thread bush of fixed screw is equipped with the fixing bolt who extends to its outside, the intermediate position department in the loop bar outside sets firmly the wind spring that is connected with the back is inside, the outside both sides of loop bar all are equipped with adjustment mechanism

Preferably, the adjusting mechanism comprises an inner gear ring, a gear ring, sliders, sliding grooves, springs and U-shaped connecting rods, the inner gear ring is provided with two groups, the two groups of inner gear rings are located on two sides of the bottom in the backrest and sleeved outside the loop bar, the sliding grooves are provided with four groups, the four groups of sliding grooves are located on two sides of the top and the bottom of the loop bar, the sliding grooves are provided with two groups of sliding blocks on the same side, the sliding blocks are arranged in the sliding grooves in a sliding mode, the gear rings which are meshed with the inner gear ring and sleeved outside the loop bar are arranged on the outer sides of the two groups of sliding blocks on the same side, the U-shaped connecting rods extending to the outside of the mounting plate are arranged on one sides, away from the sliding blocks, of the sliding blocks, and the springs connected with the sliding grooves and the sliding blocks are arranged on the top and the bottom of the U-shaped connecting rods.

Preferably, the bearings are symmetrically sleeved at the middle position outside the loop bar and matched with the backrest.

Preferably, two sets of the mounting panel all is equipped with the recess of accomodating near the positive one end of one side, and accomodate the recess and mutually support with the ring gear.

Preferably, the handles are arranged at the middle positions of the two groups of U-shaped connecting rods far away from one side, and anti-skid grains are arranged on the outer sides of the handles.

Preferably, one end of the front surface of the connecting rod is provided with a limiting inclined surface, and the limiting inclined surface is matched with the backrest.

The utility model provides an adjustable angle back of sleeping car between motor train railway carriage or compartment, beneficial effect lies in:

when the backrest adjusting device is used, the U-shaped connecting rod is pulled to drive the sliding block to slide inside the sliding groove to compress the spring, the sliding block can drive the gear ring to move away from the inner gear ring to remove the fixing work of the spring, then a user can directly lean against the surface of the backrest to drive the spring to rotate along the outer side of the loop bar to stretch the spring, when the backrest is adjusted to a specified angle, the U-shaped connecting rod is loosened to drive the spring to restore through the elastic restoring force of the spring to fix the adjustment angle of the backrest, so that an operator can conveniently adjust the angle of the backrest according to the use requirement, the comfort of using the backrest is effectively improved, the structural design is simple and reasonable, and the backrest adjusting device is suitable for popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a side cross-sectional view provided by an embodiment of the present invention.

Fig. 2 is a side view provided by an embodiment of the present invention.

Fig. 3 is a front cross-sectional view of a backrest according to an embodiment of the present invention.

Fig. 4 is a front cross-sectional view of an adjusting mechanism provided in an embodiment of the present invention.

In the figure: 1. a backrest; 2. a loop bar; 3. a connecting rod; 4. fixing screw holes; 5. fixing the bolt; 6. a coil spring; 7. an adjustment mechanism; 700. an inner gear ring; 701. a ring gear; 702. a slider; 703. a chute; 704. a spring; 705. a U-shaped connecting rod; 8. and (7) mounting the plate.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, the embodiment of the utility model provides a pair of adjustable angle back of motor train inter-compartment sleeping car, including back 1, the interior bottom cover of back 1 is equipped with the loop bar 2 that extends to its outside, the both sides of loop bar 2 have all set firmly mounting panel 8, two sets of mounting panels 8 are close to the back one end of one side mutually and have set firmly connecting rod 3 jointly, fixed screw 4 has all been seted up to the top and the bottom of the inside back one end of two sets of mounting panels 8, the inside all thread bush of the two sets of fixed screw 4 of homonymy is equipped with the fixing bolt 5 that extends to its outside, the intermediate position department in the loop bar 2 outside sets firmly the wind spring 6 that is connected with back 1 is inside, the outside both sides of loop bar 2 all are equipped with adjustment mechanism 7.

Before using, operating personnel can carry to assigned position department with back 1 and above parts earlier, then can be with mounting panel 8 and back 1 and above parts fixed mounting to the assigned position department of sleeping carriage through mutually supporting of fixed screw 4 and fixing bolt 5, after the installation is accomplished, through the pulling regulation to adjustment mechanism 7, can remove fixed spacing to back 1, then rotate through back 1 in the outside of loop bar 2 and carry out stretching work to coil spring 6, when back 1 rotates to assigned position department, remove the pulling regulation to adjustment mechanism 7 again, thereby can realize carrying out fixed work to the angle after back 1 adjusts.

As shown in fig. 4, the adjusting mechanism 7 includes an inner gear ring 700, a gear ring 701, sliders 702, sliding chutes 703, springs 704 and U-shaped connecting rods 705, the inner gear ring 700 is provided with two sets, the two sets of inner gear rings 700 are located on two sides of the bottom of the backrest 1 and sleeved outside the loop bar 2, the sliding chutes 703 are provided with four sets, the four sets of sliding chutes 703 are located on two sides of the top and the bottom of the loop bar 2, the sliders 702 are slidably provided inside the two sets of sliding chutes 703 on the same side, the gear rings 701 sleeved outside the loop bar 2 and engaged with the inner gear ring 700 are provided outside the two sets of sliders 702 on the same side, the U-shaped connecting rods 705 extending to the outside of the mounting plate 8 are provided on one side of the two sets of sliders 702 on the same side, and the springs 704 connected with the sliding chutes and the sliders 703 are sleeved on the top and the bottom of the two sets of U-shaped connecting rods 705.

During operation, a user can directly lean against the surface of the backrest 1, the user pulls the U-shaped connecting rod 705 with two hands to drive the sliding block 702 to slide in the sliding groove 703 to compress the spring 704, at the moment, the sliding block 702 can drive the gear ring 701 to move to be separated from the inner gear ring 700 to remove the fixing work of the gear ring 700, then the rotation adjusting work of the angle of the backrest 1 can be realized, and when the backrest 1 is adjusted to a specified angle, the U-shaped connecting rod 705 is loosened to drive the U-shaped connecting rod 705 to restore through the elastic restoring force of the spring 704 to fix the adjusting angle of the backrest 1.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides an adjustable angle back of motor car private room sleeping car, includes back (1), its characterized in that, the interior bottom cover of back (1) is equipped with loop bar (2) that extend to its outside, the both sides of loop bar (2) have all set firmly mounting panel (8), and are two sets of back one end that mounting panel (8) are close to one side mutually has set firmly connecting rod (3), two sets of fixed screw (4) have all been seted up to the top and the bottom of the inside back one end of mounting panel (8), and the homonymy is two sets of the inside all thread bush of fixed screw (4) is equipped with and extends to its outside fixing bolt (5), the intermediate position department in the loop bar (2) outside sets firmly wind spring (6) that are connected with back (1) inside, the both sides of loop bar (2) outside all are equipped with adjustment mechanism (7).

2. The adjustable angle backrest of the motor train compartment sleeping car according to claim 1, characterized in that the adjusting mechanism (7) comprises two groups of inner gear rings (700), gear rings (701), sliding blocks (702), sliding grooves (703), springs (704) and U-shaped connecting rods (705), the two groups of inner gear rings (700) are located on two sides of the bottom in the backrest (1) and sleeved outside the sleeve rod (2), the four groups of sliding grooves (703) are located on two sides of the top and the bottom of the sleeve rod (2), the sliding blocks (702) are arranged inside the two groups of sliding grooves (703) on the same side in a sliding mode, the gear rings (701) sleeved outside the sleeve rod (2) and meshed with the inner gear rings (700) are arranged on the outer sides of the two groups of sliding blocks (702) on the same side, the U-shaped connecting rods (705) extending outside the mounting plate (8) are arranged on one sides of the two groups of sliding blocks (702) on the same side far away from each other side, and the tops and bottoms of the two groups of U-shaped connecting rods (705) are sleeved with the springs (702) connected with the sliding grooves (703) and the springs (704).

3. The adjustable angle backrest of a motor train coupe as claimed in claim 1, characterized in that bearings are symmetrically sleeved at the middle position outside the loop bar (2) and are matched with the backrest (1).

4. The adjustable angle backrest for a motor train unit sleeping car according to claim 1, characterized in that the two sets of mounting plates (8) are provided with receiving grooves at the ends of the front surfaces close to one side, and the receiving grooves are matched with the gear ring (701).

5. The adjustable angle backrest of the motor train compartment sleeping car as claimed in claim 2, characterized in that the middle position of the far side of the two sets of U-shaped connecting rods (705) is provided with a handle, and the outer side of the handle is provided with anti-skid lines.

6. The adjustable angle backrest of a motor train unit coach as claimed in claim 1, wherein the front end of the connecting rod (3) is provided with a limiting inclined surface, and the limiting inclined surface is matched with the backrest (1).