CN211893220U - Simple bullet train curtain - Google Patents

Abstract

The utility model provides a simple bullet train curtain, which comprises a bracket, a bottom beam and a cover box, wherein a spring assembly is arranged in the cover box, and comprises a rotating shaft, a torsional spring, a self-locking mechanism and a speed reducer; the self-locking mechanism comprises a square pin, a rolling end cover, a locking outer sleeve and a brake spring, wherein the locking outer sleeve is provided with an arc-shaped groove and a locking groove, locking balls are arranged on the arc-shaped groove, a cylindrical groove is formed in the rolling end cover, and the locking balls are arranged in the cylindrical groove; during operation, the curtain is pulled down, the rotating shaft drives the rolling end cover to rotate, the locking balls slide to the bottom of the arc-shaped groove, and the locking balls are pushed into the locking groove after the square pins are pressed. The utility model relates to a simple-mounted motor car (window) curtain installs spring unit in the cover box of this (window) curtain, and the self-locking mechanism of spring unit one end can make the (window) curtain pull-down keep the location after arbitrary position, and the reduction gear of the spring unit other end can produce frictional force when the (window) curtain pulls back to keep at the uniform velocity when making the (window) curtain pull back.

Description

Simple bullet train curtain

Technical Field

The utility model relates to a motor car (window) curtain technical field especially relates to a simple installation formula motor car (window) curtain.

Background

In recent years, the passenger car industry in China is rapidly developed, and the structure of the curtain of the passenger car is not changed greatly. With the popularization of high-speed rails of motor cars, curtains used by the motor cars are paid attention to by people, and the curtains are secret, integral and attractive. At present, the bullet train curtain is applied to a passenger car, and is commented by customers, and a combined end socket needs to be developed for matching use after installation; the existing bullet train curtain is fixed through the felt on the tracks on the two sides after being pulled down, locking cannot be achieved, manual operation is needed during pullback, the whole use is inconvenient, the automatic pullback curtain is achieved through the torsion spring in the part, the speed is high during pullback, the curtain is prone to being damaged, potential safety hazards exist, and the use of drivers and passengers on the bullet train is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a simple-mounted motor car (window) curtain to overcome the motor car (window) curtain function singleness among the prior art, can't lock the (window) curtain and can't pull back the problem of (window) curtain at the uniform velocity.

(II) technical scheme

In order to solve the technical problem, the utility model provides a simple bullet train curtain, which comprises a bracket, a bottom beam and a cover box, wherein the cover box is fixed on the bracket, bottom beam end clamps are respectively arranged at two ends of the bottom beam, and the bottom beam is slidably arranged on the bracket through the bottom beam end clamps; spring assemblies are symmetrically arranged in the cover box from left to right, each spring assembly comprises a rotating shaft, a torsion spring sleeved on the rotating shaft, a self-locking mechanism and a speed reducer, the self-locking mechanisms and the speed reducers are arranged at two ends of the rotating shaft, a curtain is fixed on the bottom beam, the top end of the curtain is connected with the torsion spring, the torsion spring provides upward tension for the curtain, and the curtain is driven to pull back when the curtain is unlocked; the self-locking mechanism comprises a square pin, a rolling end cover, a locking outer sleeve and a brake spring, the locking outer sleeve and the rolling end cover are sequentially sleeved on the square pin, a first connecting shaft is installed at one end of the square pin, and the brake spring is installed between the locking outer sleeve and the first connecting shaft; the locking outer sleeve is provided with an arc-shaped groove and a locking groove, the arc-shaped groove is provided with a locking ball, the rolling end cover is internally provided with a cylindrical groove, the locking ball is arranged in the cylindrical groove and can slide along the arc-shaped groove, because the locking ball is arranged in the cylindrical groove, when the rotating shaft drives the rolling end cover to rotate through the first connecting shaft, the locking ball can slide to the bottom along the arc-shaped groove, when the square pin is pressed, the locking outer sleeve moves after being stressed to enable the locking ball to enter the locking groove, at the moment, the locking ball is clamped in the cylindrical groove, the rolling end cover and the rotating shaft can not rotate continuously, so that the curtain is positioned, after the square pin is pressed again, the locking outer sleeve moves under the action of the brake spring to enable the locking ball to enter the arc-shaped groove again, thereby unlocking the window covering.

Furthermore, the speed reducer comprises a clutch outer sleeve, a first planetary gear set, a second planetary gear set and a centrifugal plate set, wherein one end of the first planetary gear set is provided with a second connecting shaft, the second connecting shaft is connected with the rotating shaft, one end of the second planetary gear set is connected with the first planetary gear set, the other end of the second planetary gear set is connected with the centrifugal plate set, the centrifugal plate set is hinged to the second planetary gear set, and the clutch outer sleeve is also provided with an end cover; when the (window) curtain receives the automatic pull-up of pulling force of torsional spring, because the speed is very fast to lead to first planet wheelset with second planet wheelset rotational speed is very fast, after centrifugal plate group received great centrifugal force, each centrifugal piece outwards produced centrifugal motion, lead to the centrifugal piece with the inner wall contact of clutch overcoat to produce frictional force, make the second connecting axle with the rotational speed of pivot descends, thereby realizes that the (window) curtain keeps raising at the uniform velocity after slowing down and draws back, and holistic security is higher.

Furthermore, the support is divided into a middle support and side supports which are symmetrically arranged left and right, first slide rails are arranged on two sides of the middle support, second slide rails are arranged on the side supports, bottom beams are arranged between the middle support and the side supports, and bottom beam end clamps at two ends of each bottom beam are respectively arranged in the first slide rails and the second slide rails; the clamping device is characterized in that the bottom beam is provided with a clamping groove and a handheld portion, and a first clamping block corresponding to the clamping groove and a second clamping block corresponding to the handheld portion are arranged on the bottom beam end clamp.

Furthermore, a positioning seat is further installed on the square pin, the rolling end cover is fixed on the positioning seat, a plurality of arc-shaped bosses are arranged on the positioning seat, a plurality of arc-shaped clamping grooves corresponding to the arc-shaped bosses are arranged on the rolling end cover, and the rolling end cover is fixed on the positioning seat through the arc-shaped clamping grooves, so that the rolling end cover can axially rotate along the square pin through the positioning seat.

(III) advantageous effects

The utility model relates to a simple-mounted motor car (window) curtain installs spring unit in the cover box of this (window) curtain, and the self-locking mechanism of spring unit one end can make the (window) curtain pull-down keep the location after arbitrary position, and a key closure and unblock, convenient to use, and the reduction gear of the spring unit other end can produce frictional force when the (window) curtain pulls back to keep at the uniform velocity when making the (window) curtain pull back, the driver and passenger on the motor car of being convenient for of this (window) curtain uses, and convenient operation and security are higher.

Drawings

FIG. 1 is a perspective view of a simplified bullet train curtain of the present invention;

FIG. 2 is a perspective view of a bottom beam of a simplified bullet train curtain of the present invention;

FIG. 3 is a perspective view of a spring assembly of a simplified bullet train window curtain of the present invention;

FIG. 4 is an exploded view of the self-locking mechanism of the bullet train curtain of the present invention;

FIG. 5 is a perspective view of a rolling end cap of a simplified bullet train curtain of the present invention;

FIG. 6 is an exploded view of the speed reducer of the bullet train curtain of the present invention;

FIG. 7 is a perspective view of the middle support of a simple bullet train curtain of the present invention;

FIG. 8 is a perspective view of a side bracket of a simple-mounted window curtain for a bullet train of the present invention;

FIG. 9 is a perspective view of a bottom beam of a simplified bullet train curtain of the present invention;

fig. 10 is a perspective view of the end clip of the bottom beam of the bullet train curtain of the present invention.

Wherein: the device comprises a bracket 1, a bottom beam 2, a cover box 3, a bottom beam end clamp 4, a rotating shaft 5, a torsion spring 6, a self-locking mechanism 7, a speed reducer 8, a curtain 9, a square pin 10, a rolling end cover 11, a locking jacket 12, a brake spring 13, a first connecting shaft 14, an arc-shaped groove 15, a locking groove 16, a locking ball 17, a cylindrical groove 18, a clutch jacket 19, a first planetary gear set 20, a second planetary gear set 21, a centrifugal plate set 22, a second connecting shaft 23, an end cover 24, a middle bracket 25, a side bracket 26, a first sliding rail 27, a second sliding rail 28, a clamping groove 29, a handheld part 30, a first clamping block 31, a second clamping block 32, a positioning seat 33, an arc-shaped boss 34 and an arc-shaped clamping groove 35.

Detailed Description

Referring to fig. 1 to 10, in order to solve the above technical problem, the utility model provides a simple bullet train curtain, which comprises a bracket 1, a bottom beam 2 and a cover box 3, referring to fig. 1 to 3, the cover box 3 is fixed on the bracket 1, both ends of the bottom beam 2 are respectively provided with a bottom beam end clamp 4, and the bottom beam 2 is slidably arranged on the bracket 1 through the bottom beam end clamp 4; spring components are symmetrically arranged in the cover box 3 from left to right, the spring components comprise a rotating shaft 5, a torsion spring 6 sleeved on the rotating shaft 5, a self-locking mechanism 7 and a speed reducer 8, the self-locking mechanism 7 and the speed reducer 8 are arranged at two ends of the rotating shaft 5, a curtain 9 is fixed on the bottom beam 2, the top end of the curtain 9 is connected with the torsion spring 6, upward tension is provided for the curtain 9 through the torsion spring 6, and the torsion spring 6 can automatically pull the curtain 9 to rise when unlocking; referring to fig. 4 and 5, the self-locking mechanism 7 includes a square pin 10, a rolling end cover 11, a locking outer sleeve 12 and a brake spring 13, the locking outer sleeve 12 and the rolling end cover 11 are sequentially sleeved on the square pin 10, wherein a positioning seat 33 is installed on the square pin 10, the rolling end cover 11 is fixed on the positioning seat 33, the rolling end cover 11 rotates along the axis of the square pin 10 through the positioning seat 33, a plurality of arc-shaped bosses 34 are arranged on the positioning seat 33, and a plurality of arc-shaped clamping grooves 35 corresponding to the arc-shaped bosses 34 are arranged on the rolling end cover 11, so that the rolling end cover 11 is matched and fastened; a first connecting shaft 14 is installed at one end of the square pin 10, the first connecting shaft 14 is connected with the rotating shaft 5 and can rotate under the driving of the rotating shaft 5, and a brake spring 13 is installed between the locking outer sleeve 12 and the first connecting shaft 14 and used for pushing the locking outer sleeve 12 during unlocking; an arc-shaped groove 15 and a locking groove 16 are formed in the locking outer sleeve 12, locking balls 17 are arranged on the arc-shaped groove 15, a cylindrical groove 18 is formed in the rolling end cover 11, the locking balls 17 are arranged in the cylindrical groove 18, when the curtain 9 is pulled down, the rotating shaft 5 drives the rolling end cover 11 to rotate, the locking balls 17 roll to the bottom end of the arc-shaped groove 15 along the arc-shaped groove 15, after the square pin 10 is pressed, the locking balls 17 move into the locking groove 18 after the locking outer sleeve 12 is stressed, and therefore the rolling end cover 11 is clamped, the rotating shaft 5 is locked, and the curtain 9 is fixed;

referring to fig. 6, the reducer includes a clutch housing 19, a first planetary gear set 20, a second planetary gear set 21 and a centrifugal plate set 22, one end of the first planetary wheel set 20 is provided with a second connecting shaft 23, the second connecting shaft 23 is also connected with the rotating shaft 5, one end of the second planetary wheel set 21 is connected with the first planetary wheel set 20, the other end is connected with the centrifugal plate set 22, the centrifugal plate group 22 is hinged on the second planetary wheel group 21, the clutch outer sleeve 19 is also provided with an end cover 24, when the curtain 9 is automatically pulled back under the action of the torsion spring 6, because the rotating speed of the rotating shaft 5 is too high, after the centrifugal sheet group 22 is driven by the second connecting shaft 23 to rotate, the centrifugal sheets in the centrifugal sheet group 22 are subjected to a larger centrifugal force, therefore, the curtain 9 deviates outwards after rotating and abuts against the inner wall of the clutch outer sleeve 19, so that friction force is generated, the rotating speed of the rotating shaft 5 is reduced, a buffering effect is achieved, and the curtain 9 can be kept to rise at a constant speed.

Referring to fig. 7 to 10, the bracket 1 is divided into a middle bracket 25 and side brackets 26 symmetrically installed left and right, first slide rails 27 are respectively arranged on two sides of the middle bracket 25, second slide rails 28 are arranged on the side brackets 26, a bottom beam 2 is respectively installed between the two side brackets 26 and the middle bracket 25, and bottom beam end clamps 4 at two ends of the bottom beam 2 are respectively arranged in the first slide rails 27 and the second slide rails 28; in this embodiment, the bottom beam 2 is provided with the clamping groove 29 and the handheld portion 30, the bottom beam end clamp 4 is provided with the first clamping block 31 corresponding to the clamping groove 29 and the second clamping block 32 corresponding to the handheld portion 30, and the bottom beam end clamp 4 is stably fixed on the bottom beam 2 through the first clamping block 31 and the second clamping block 32.

The utility model relates to a simple-mounted formula motor car (window) curtain, install spring unit in the cover box of this (window) curtain, self-locking mechanism is equipped with to spring unit one end, this self-locking mechanism passes through the locking ball and rolls on the locking overcoat and can fix a position the end cover that rolls, thereby fixed rotating shaft, make the (window) curtain pull-down keep the location behind arbitrary position, and realize a key closure and unblock through pressing down the square pin, high durability and convenient use, the reduction gear is equipped with to the spring unit other end, centrifugal plate group is outwards rotatory when this reduction gear makes the pivot rotate fast through centrifugal force, thereby produce frictional force with clutch overcoat contact, keep at the uniform velocity when making the (window) curtain pull-back, thereby the driver and the crew on the motor car.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The simple bullet train curtain is characterized by comprising a support (1), a bottom beam (2) and a cover box (3), wherein the cover box (3) is fixed on the support (1), bottom beam end clamps (4) are mounted at two ends of the bottom beam (2), and the bottom beam (2) is slidably mounted on the support (1) through the bottom beam end clamps (4); spring assemblies are symmetrically arranged in the cover box (3) from left to right, each spring assembly comprises a rotating shaft (5), a torsion spring (6) sleeved on the rotating shaft (5), a self-locking mechanism (7) and a speed reducer (8) which are arranged at two ends of the rotating shaft (5), a curtain (9) is fixed on the bottom beam (2), and the top end of the curtain (9) is connected with the torsion spring (6); the self-locking mechanism (7) comprises a square pin (10), a rolling end cover (11), a locking outer sleeve (12) and a brake spring (13), the locking outer sleeve (12) and the rolling end cover (11) are sequentially sleeved on the square pin (10), a first connecting shaft (14) is installed at one end of the square pin (10), and the brake spring (13) is installed between the locking outer sleeve (12) and the first connecting shaft (14); an arc-shaped groove (15) and a locking groove (16) are formed in the locking outer sleeve (12), locking balls (17) are arranged on the arc-shaped groove (15), a cylindrical groove (18) is formed in the rolling end cover (11), and the locking balls (17) are arranged in the cylindrical groove (18); during operation, drop-down (9) curtain, pivot (5) drive roll end cover (11) rotatory back, locking ball (17) slide to the bottom of arc wall (15), press will behind square pin (10) locking ball (17) push into in locking groove (16), thereby pass through roll end cover (11) will pivot (5) locking.

2. The simplified bullet train window covering of claim 1, wherein: the reduction gear includes clutch overcoat (19), first planetary gear set (20), second planetary gear set (21) and centrifugal plate group (22), second connecting axle (23) are installed to the one end of first planetary gear set (20), second connecting axle (23) are connected pivot (5), the one end of second planetary gear set (21) is connected first planetary gear set (20), the other end of second planetary gear set (21) is connected centrifugal plate group (22), centrifugal plate group (22) articulate on second planetary gear set (21), still install end cover (24) on clutch overcoat (19).

3. The simplified bullet train window covering of claim 1, wherein: support (1) divide into side support (26) of middle support (25) and bilateral symmetry installation, the both sides of middle support (25) all are equipped with first slide rail (27), be equipped with second slide rail (28) on side support (26), floorbar end card (4) at floorbar (2) both ends are arranged in respectively first slide rail (27) with in second slide rail (28).

4. The simplified bullet train window covering of claim 1, wherein: be equipped with draw-in groove (29) and handheld portion (30) on floorbar (2), be equipped with on floorbar end card (4) with first fixture block (31) that draw-in groove (29) correspond and with second fixture block (32) that handheld portion (30) correspond.

5. The simplified bullet train window covering of claim 1, wherein: still install positioning seat (33) on square pin (10), roll end cover (11) and fix on positioning seat (33), be equipped with a plurality of arc bosss (34) on positioning seat (33), be equipped with a plurality of with arc draw-in groove (35) that arc boss (34) correspond on roll end cover (11).

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