WO2022095578A1

WO2022095578A1 - Synchronous locking mechanism

Info

Publication number: WO2022095578A1
Application number: PCT/CN2021/116633
Authority: WO
Inventors: 荆慧强; 贾延奎; 刘奇; 杜小坤; 何冠杰; 赵永涛; 刘相新
Original assignee: 北京航天发射技术研究所
Priority date: 2020-11-06
Filing date: 2021-09-06
Publication date: 2022-05-12
Also published as: CN112324259B; CN112324259A

Abstract

A synchronous locking mechanism, comprising a plurality of lock heads (8) and a lock control device. The lock heads (8) are configured to extend into or retract out of lock head holes (11); the lock heads (8) are all connected to the lock head control device; the lock head control device is configured to drive the lock heads (8) to extend and retract synchronously. A plurality of lock heads (8) can be unlocked synchronously by means of one lock head control device, such that the bearing capability of the locking mechanism is greatly improved, an execution mechanism is simple, a small space is occupied, and the application and popularization values are high.

Description

Synchronized lock mechanism

The present invention is required to be proposed by the applicant, the application date is November 06, 2020, the application number is CN202011228316.8, and the priority of the application named "synchronizing lock mechanism". The entire contents of the above application are incorporated herein by reference in their entirety.

technical field

The invention relates to a lock, in particular to a synchronous lock mechanism.

Background of the Invention

In production practice, the locking mechanism is an indispensable functional device for equipment connection, especially in the fields of cargo transportation, ships and machinery, the locking mechanism is widely used. The locking mechanism usually has the functions of locking and unlocking, and can be used repeatedly. Due to the limitation of the structure, the existing locking mechanism has problems such as poor bearing capacity, complex structure and large volume, which limits its application range to a certain extent. .

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a synchronous lock mechanism with strong bearing capacity and simple structure.

The synchronous lock mechanism of the present invention includes a plurality of lock heads and a lock head control device. The lock heads are all connected with the lock head control device, and the lock head control device is used to drive each of the lock heads to expand and contract synchronously.

The synchronous lock mechanism of the present invention further includes a guide sleeve and a guide rod, and the number of the guide sleeve and the number of the guide rod are equal to the number of the lock heads,

Each of the guide sleeves is provided with a guide hole, and the guide hole extends along the telescopic direction of the lock head,

Each of the lock heads is respectively arranged in one of the guide sleeves, each of the lock heads is respectively provided with a guide rod, and one end of the guide rod is connected to one of the lock heads through one of the guide holes. , the other end of the guide rod is connected with the lock head control device, and the lock head control device is suitable for driving the guide rod to move in the guide hole, and the guide rod drives the lock head relative to the guide The sleeve moves to extend out of the guide sleeve or retract into the guide sleeve.

The synchronous lock mechanism of the present invention, wherein a return spring is arranged between the inner wall of each guide sleeve and the lock head disposed in the guide sleeve.

The synchronous lock mechanism of the present invention, wherein the end of the lock head located in the guide sleeve is provided with a groove, one end of the return spring is set in the groove, and the other end of the return spring abuts against the on the inner baffle of the guide sleeve.

The synchronous lock mechanism of the present invention, wherein the lock head control device includes a plurality of lock head flexible shafts and a pulling device, a baffle plate is arranged on the outer wall of the guide sleeve near the guide hole, and the plane where the baffle plate is located is perpendicular to the The plane where the guide hole is located, the baffle is provided with a flexible shaft hole, the connection point between the guide rod and the lock head flexible shaft is at the same height as the center of the flexible shaft hole, and each lock head is flexible. One end of the shaft is connected with one of the guide rods, the other end of each lock head flexible shaft is connected with the pulling device, and one end of the lock head flexible shaft connected with the guide rod passes through the flexible shaft hole.

The synchronous lock mechanism of the present invention further includes a lock base plate, the pulling device includes a master control flexible shaft and a pulling plate, one end of the master control flexible shaft is connected with the pulling plate, and the other end of the master control flexible shaft is connected to the pulling plate. One end is a free end, the pulling plate is arranged on the locking base plate, the pulling plate is suitable for rotating relative to the locking base plate, and the point at which the pulling plate rotates relative to the locking base plate is the rotation center , the distance from the connection point of each lock head flexible shaft and the pulling plate to the rotation center is equal, and the distance from the connection point of each lock head flexible shaft and the pulling plate to the rotation center is less than all the The distance from the connection point between the master control flexible shaft and the pulling plate to the rotation center.

The synchronous lock mechanism of the present invention, wherein a reset torsion spring is arranged between the pulling plate and the lock bottom plate.

In the synchronous lock mechanism of the present invention, there are four lock heads, the four lock heads are divided into two groups, and the two groups of lock heads are respectively located on the left and right sides of the pulling plate.

The synchronizing lock mechanism of the present invention further includes a casing in which the components are arranged, and through holes are formed on the casing at positions corresponding to the lock heads.

The synchronization lock mechanism of the present invention, wherein the free end of the master control flexible shaft passes through the casing and protrudes out of the casing.

Because the synchronous lock mechanism of the present invention includes a plurality of lock heads, each lock head is connected with the lock head control device, and the synchronous unlocking of multiple lock heads can be realized by one lock head control device, so not only the bearing capacity of the locking mechanism is greatly improved, but also The actuator is simple, occupies a small space, and has good application and promotion value.

The present invention will be further described below in conjunction with the accompanying drawings.

Brief Description of Drawings

1 is a schematic structural diagram of a synchronous lock mechanism according to an embodiment of the present invention;

2 is a schematic structural diagram of an unlocking process of a synchronous lock mechanism according to an embodiment of the present invention;

3 is a schematic structural diagram of a locking process of a synchronous lock mechanism according to an embodiment of the present invention;

4 is a partial cross-sectional view of a synchronous lock mechanism according to an embodiment of the present invention;

5 is a structural diagram of a pulling plate in a synchronous lock mechanism according to an embodiment of the present invention.

MODES OF IMPLEMENTING THE INVENTION

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The terms "upper", "lower", "front", "rear", "left" and "right", etc. appearing in the embodiments of the present invention indicate directions or positional relationships based on the orientations or positional relationships shown in the accompanying drawings , is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; for those of ordinary skill in the art, the above terms in the present invention can be understood in specific situations. specific meaning.

If there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as indicating or implying their relative Importance or implicitly indicates the number of technical features indicated.

A synchronous lock mechanism according to an embodiment of the present invention, as shown in FIGS. 1 and 2 , includes a plurality of lock heads 8 and a lock head control device. Each lock head 8 is used to extend into each lock head hole 11 of the locked cargo 1 . Or retracted from each lock head hole 11 , each

lock head

8 , 10 , 16 , 17 is connected to the lock head control device, and the lock head control device is used to drive each

lock head

8 , 10 , 16 , 17 to expand and contract synchronously. As shown in FIG. 3 , when a synchronous lock mechanism according to an embodiment of the present invention is in a locked state, a plurality of

lock heads

8 , 10 , 16 and 17 are in an extended state, and each lock head is respectively inserted into a lock on a locked cargo 1 As shown in FIG. 2 , when a synchronous lock mechanism according to an embodiment of the present invention is in the unlocked state, the plurality of

lock heads

8 , 10 , 16 and 17 are retracted, and the locked goods 1 are separated from each lock head. Because the synchronous lock mechanism of the present invention includes a plurality of lock heads, each lock head is connected with the lock head control device, and the synchronous unlocking of multiple lock heads can be realized by one lock head control device, so not only the bearing capacity of the locking mechanism is greatly improved, but also The actuator is simple, occupies a small space, and has good application and promotion value.

A synchronous lock mechanism according to the embodiment of the present invention further includes a guide sleeve 7 and a guide rod 6,

Each guide sleeve 7 is provided with a guide hole 71 , and the guide hole 71 extends along the telescopic direction of the lock head 8 .

The number of guide rods 6 and guide sleeves 7 is equal to the number of lock heads 8.

Each lock head 8 is respectively arranged in a guide sleeve 7, and each lock head 8 is respectively provided with a guide rod 6, one end of the guide rod 6 is connected to a lock head 8 through a guide hole, and the other end of the guide rod 6 is connected with the lock head 8. The head control device is connected, and the lock head control device is suitable for driving the guide rod 6 to move back and forth in the guide hole 71 so that the lock head 8 moves relative to the guide sleeve 7 to extend out of the guide sleeve 7 or retract into the guide sleeve 7 . Since each lock head 8 is respectively arranged in a guide sleeve 7, and each lock head 8 is respectively provided with a guide rod 6, the lock head control device can drive each guide rod 6 to move along the guide hole 71, so when locking, each The lock head 8 has independent action ability, and the jamming of a single lock head does not affect the normal locking function of other lock heads.

As shown in FIG. 4 , a return spring 20 is provided between one end of each lock head 8 close to the inner wall of the guide sleeve 7 and the inner wall of the guide sleeve 7 . Specifically, one end of the lock head 8 close to the inner wall of the guide sleeve 7 is provided with a groove, one end of the return spring 20 is arranged in the groove, and the other end of the return spring 20 abuts on the inner baffle of the guide sleeve 7 . Other connection methods may also be used between the return spring 20 and the lock head 8 and the guide sleeve 7 . Due to the setting of the return spring 20, the lock head 8 has an automatic locking function, and a certain load is directly applied to the end face of the lock head 8. When the load can overcome the elastic force of the return spring 20, the lock head 8 can be retracted to achieve the purpose of unlocking , so that the synchronization lock mechanism of the present invention has a redundant unlocking function.

The lock head control device includes a plurality of lock head flexible shafts 5 and a pulling device. A baffle plate 72 is arranged on the outer wall of the guide sleeve 7 near the guide hole 71. The plane of the baffle plate 72 is perpendicular to the plane of the guide hole 71. A flexible shaft hole is provided, the connection point between the guide rod 6 and the lock head flexible shaft 5 is at the same height as the center of the flexible shaft hole, one end of each lock head flexible shaft 5 is connected with a guide rod 6, and the other end of each lock head flexible shaft 5 is connected. Connected with the pulling device, one end of the lock head flexible shaft 5 connected with the guide rod 6 passes through the flexible shaft hole. Since the flexible shaft hole is provided on the baffle plate 72, the end of the flexible shaft of the lock head 5 connected with the guide rod 6 passes through the flexible shaft hole, so as to ensure that the force of the flexible shaft of the lock head 5 acting on the guide rod 6 is in the horizontal direction, which is convenient for the lock head Unlock.

As shown in FIG. 5 , a synchronous lock mechanism according to the embodiment of the present invention further includes a lock base plate 3 , and the pulling device includes a master control flexible shaft 18 and a pulling plate 12 , and one end of the master control flexible shaft 18 is connected to the pulling plate 12 . The other end of the master control flexible shaft 18 is a free end. The plane where the pulling plate 12 is located is parallel to the plane where the locking bottom plate 3 is located. , the point at which the pulling plate 12 rotates relative to the locking bottom plate 3 is the center of rotation, and the distances from the connection point between the flexible shaft 5 of each lock head and the pulling plate 12 to the center of rotation are equal, that is, l ₁ =l ₂ , and each lock head The distance from the connection point of the flexible shaft 5 to the pulling plate 12 to the rotation center is smaller than the distance from the connection point of the general control flexible shaft 18 to the pulling plate 12 to the rotation center, that is, l ₃ >l ₁ and l ₃ >l ₂ . The distance from the connection point of each lock head flexible shaft 5 and the pulling plate 12 to the rotation center is equal to ensure that each lock head 8 moves synchronously, and the distance between the connection point of each lock head flexible shaft 5 and the pulling plate 12 to the rotation center is less The distance from the connection point between the master control flexible shaft 18 and the pulling plate 12 to the rotation center can greatly reduce the load required for manual unlocking, and at the same time can effectively avoid the problem that the lock head and the cargo cannot be unlocked due to compression; The plate 12 and the lock bottom plate 3 are parallel to each other. When unlocking, the force applied to the frame is in the same plane as the pulling plate 12, and the force of the synchronous lock mechanism when locking the goods is in the direction perpendicular to the pulling plate 12. Therefore, The bearing capacity is perpendicular to the unlocking force, which can realize the unlocking of large tonnage goods with a small driving force.

A return torsion spring 13 is arranged between the pulling plate 12 and the locking bottom plate 3 . Due to the setting of the reset torsion spring 13, when the master control flexible shaft 18 is released, the pulling plate 12 has an automatic reset function. When unlocking, a load is applied to the master control flexible shaft 18 to pull the pulling plate 12 to rotate, and the pulling plate 12 pulls the guide rod 6 to move in the guide hole 71 through each lock head flexible shaft 5, so that the lock head 8 is retracted and unlocked. After completion, after removing the load on the master control flexible shaft 18, due to the action of the return spring 20 and the return torsion spring 13, each lock head 8 extends into the lock head hole 11 and is re-locked.

The lock heads 8 are provided with four, and the four lock heads are divided into two groups. The two groups of lock heads are located on the left and right sides of the pulling plate 12, respectively. at different locations on the plate 12 .

Specifically, a synchronous lock mechanism according to the embodiment of the present invention further includes a casing 19, all the above-mentioned components are arranged in the casing 19, and through holes are formed on the casing 19 at positions corresponding to the respective lock heads 8, and the overall control is soft. The free end of the shaft 18 protrudes out of the housing 19 through the housing 19 .

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, and do not limit the scope of the present invention. On the premise of not departing from the design spirit of the present invention, those of ordinary skill in the art can make various kinds of technical solutions of the present invention. Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Industrial Applicability

The synchronous lock mechanism of the embodiment of the present invention includes a plurality of lock heads, and each lock head is connected with a lock head control device, and the synchronous unlocking of multiple lock heads can be realized by one lock head control device, so not only the bearing capacity of the locking mechanism is greatly improved , and the actuator is simple, occupies small space, has good application and promotion value, and can be mass-produced.

Claims

A synchronous lock mechanism is characterized in that it comprises a plurality of lock heads (8) and a lock head control device, and each of the lock heads (8) is used to extend into each lock head hole (11) of the locked goods (1). retracted in or from the respective lock head holes (11), each of the lock heads (8) is connected to the lock head control device, and the lock head control device is used to drive each of the lock heads (8). ) synchronous scaling.
The synchronous lock mechanism according to claim 1, characterized in that: it further comprises a guide sleeve (7) and a guide rod (6), and the number of the guide sleeve (7) and the number of the guide rod (6) are the same as the number of the guide sleeve (7). The number of the lock heads (8) is equal,

Each of the guide sleeves (7) is provided with a guide hole (71), and the guide hole (71) extends along the telescopic direction of the lock head (8),

Each of the lock heads (8) is respectively arranged in one of the guide sleeves (7), and each of the lock heads (8) is respectively provided with a guide rod (6), one end of the guide rod (6) Connected to one of the lock heads (8) through one of the guide holes (71), the other end of the guide rod (6) is connected to the lock head control device, and the lock head control device is suitable for driving all The guide rod (6) moves in the guide hole (71), and the guide rod (6) drives the lock head (8) to move relative to the guide sleeve (7) to extend out of the guide sleeve (7). ) or retract into the guide sleeve (7).
The synchronizing lock mechanism according to claim 2, characterized in that a return spring ( 20).
The synchronous lock mechanism according to claim 3, characterized in that: one end of the lock head (8) located in the guide sleeve (7) is provided with a groove, and one end of the return spring (20) is provided in the In the groove, the other end of the return spring (20) abuts against the inner baffle of the guide sleeve (7).
The synchronous lock mechanism according to claim 2, wherein the lock head control device comprises a plurality of lock head flexible shafts (5) and a pulling device, and the outer wall of the guide sleeve (7) is close to the guide hole ( 71) is provided with a baffle (72), the plane where the baffle (72) is located is perpendicular to the plane where the guide hole (71) is located, the baffle (72) is provided with a flexible shaft hole, and the guide The connection point between the rod (6) and the lock head flexible shaft (5) is at the same height as the center of the flexible shaft hole, and one end of each lock head flexible shaft (5) is connected with one of the guide rods (6). , the other end of each lock head flexible shaft (5) is connected with the pulling device, and one end of the lock head flexible shaft (5) connected with the guide rod (6) passes through the flexible shaft hole.
The synchronous lock mechanism according to claim 5, characterized in that it further comprises a lock base plate (3), and the pulling device comprises a master control flexible shaft (18) and a pulling plate (12), the master control flexible shaft (18) One end is connected to the pulling plate (12), the other end of the master control flexible shaft (18) is a free end, and the pulling plate (12) is arranged on the locking base plate (3) , the pulling plate (12) is adapted to rotate relative to the locking bottom plate (3), the point at which the pulling plate (12) rotates relative to the locking bottom plate (3) is the center of rotation, and each lock The distances from the connection point of the head flexible shaft (5) and the pulling plate (12) to the rotation center are all equal, and the connection point of each locking head flexible shaft (5) and the pulling plate (12) The distance to the rotation center is smaller than the distance from the connection point between the general control flexible shaft (18) and the pulling plate (12) to the rotation center.
The synchronizing lock mechanism according to claim 6, characterized in that a restoring torsion spring (13) is arranged between the pulling plate (12) and the locking bottom plate (3).
The synchronous lock mechanism according to claim 1, characterized in that: the lock heads (8) are provided with four, the four lock heads are divided into two groups, and the two groups of lock heads are located in the pulling the left and right sides of the plate (12).
The synchronizing lock mechanism according to claim 6, characterized in that it further comprises a casing (19), the various components are arranged in the casing (19), and the casing (19) is connected with each The corresponding positions of the lock head (8) are provided with through holes.
The synchronous lock mechanism according to claim 9, characterized in that: the free end of the master control flexible shaft (18) passes through the casing (19) and protrudes out of the casing (19).