CN111184330A

CN111184330A - Locking means and have its suitcase

Info

Publication number: CN111184330A
Application number: CN202010148401.7A
Authority: CN
Inventors: 张效益; 金星攀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-05-22

Abstract

The invention discloses a locking device, which comprises a shell, a locking seat, a locking mechanism and a linkage mechanism, wherein the locking seat is provided with an accommodating cavity, the locking mechanism comprises a lock pin and a first spring, the lock pin is arranged in the accommodating cavity, the first spring is abutted against the lock pin, the linkage mechanism comprises a button, a pull rope and a thrust piece, the button is arranged on the shell, the lower end of the pull rope is connected with the button, the upper end of the pull rope is connected with the thrust piece, and one end of the lock pin retracts/extends out of the accommodating cavity through the thrust piece; the lower box body is provided with a lower lock hole, the upper box body is provided with at least two upper lock holes, and the lock pin extends into the lower lock hole and is inserted into one of the upper lock holes so as to connect the lower box body and the upper box body together. The locking device is very convenient and labor-saving to operate; the luggage case of the invention not only can respectively meet different requirements of use and placement, but also is very convenient to adjust the size of the luggage case.

Description

Locking means and have its suitcase

Technical Field

The invention relates to the technical field of articles for daily use, in particular to a locking device and a luggage case with the same.

Background

In the field of cases, the case is divided into a fixed volume and a variable volume. For the former, the inside usage space size of case utensil is fixed, can not change the inside parking space of case utensil according to actual need, and the use frequency of case utensil (especially suitcase) is lower moreover, all is in idle state in most times, to the case utensil that can't change the size, it can occupy certain place the space, is not convenient for depositing of case utensil.

For the latter, it can change the storage space of the case according to the needs of actual storage, so as to make the case have better practicability, but for the case with variable volume at present, it mainly adds the detachable box body on the basis of the original case, and then the two are connected together by the locking structure, for example, in the application of the publication with the number of CN208114187U and the name of 'a suitcase with adjustable size', it realizes the connection between the movable box body and the top box body, the bottom box body by the locking structure of the zipper mode, and this mode is not convenient and labor-saving in actual use.

Disclosure of Invention

The invention aims to provide a locking device and a luggage case with the same, wherein the locking device is more convenient and labor-saving to operate, and the size of the luggage case can be conveniently changed according to actual requirements.

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

a locking device comprises a hollow shell, a locking seat, a locking mechanism and a linkage mechanism, wherein the locking seat is provided with a containing cavity, the locking mechanism comprises a lock pin and a first spring, the lock pin is arranged in the containing cavity, the first spring is arranged in the containing cavity and is abutted against the lock pin, the linkage mechanism comprises a button, a pull rope and a thrust piece, the button is arranged on the shell, the lower end of the pull rope is connected with the button, the upper end of the pull rope is connected with the thrust piece, and one end of the lock pin retracts/extends out of the containing cavity through the thrust piece.

Preferably, the back of the button is provided with a connecting seat, the connecting seat is rotatably provided with a hinge, and the lower end of the pull rope is rotatably connected to the hinge.

Preferably, the tip of stay cord lower extreme is equipped with down the connector, down the connector connect with rotating on the articulated elements, be equipped with first dog down on the connector, the side of casing is formed with the extension, be equipped with on the extension with the inside communicating recess of casing, be equipped with the constant head tank along its length direction on the recess, the connector is worn to locate in the recess down, and makes first dog removes along the constant head tank.

Preferably, the locking seat includes a first seat body and a second seat body, the first seat body is provided with a mounting groove and a mounting hole, the thrust piece is disposed in the mounting groove, the upper end of the pull rope penetrates through the mounting hole and then is connected with the thrust piece, the first seat body extends towards the side edge to form the second seat body, the second seat body is provided with the accommodating cavity, and the accommodating cavity is communicated with the mounting groove.

Preferably, the lock pin comprises a pin body and a top stop part, the top of the pin body is provided with a thrust opening, the thrust piece abuts against the thrust opening, and the pin body extends towards the side edge to form the top stop part.

Preferably, the cross-sectional shape of the thrust opening is triangular, the shape of the lower end of the thrust member is adapted to the shape of the thrust opening, the side edges of the thrust member extend to form a second stop block and a connecting portion respectively, a limit groove is formed in one side of the second seat body of the first seat body, the second stop block moves in the limit groove, the pull rope movably penetrates through the connecting portion, and an upper connector is arranged at the top end of the pull rope.

Preferably, the first seat body extends towards the side to form a plurality of second seat bodies, the first seat body is provided with mounting grooves corresponding to the number of the first seat bodies, each second seat body is provided with a containing cavity, the containing cavities are respectively communicated with the mounting grooves, the containing cavities are respectively provided with lock pins and first springs, the number of the thrust pieces corresponds to the number of the first seat bodies, connecting parts of the thrust pieces are connected into a whole, and each thrust piece abuts against a thrust opening of each lock pin.

Preferably, the front side of the housing is provided with an installation opening for installing the button, the rear side of the housing is provided with a housing cover for sealing the housing, the housing is internally provided with a plurality of upright posts, and the housing cover is fixed on the upright posts.

The lower box body is provided with a lower lock hole, the upper box body is provided with at least two upper lock holes on the same plane with the lower lock hole, the locking device is arranged on the inner side wall of the lower box body, a lock pin of the locking device extends into the lower lock hole and is inserted into one of the upper lock holes, and the lower box body is connected with the upper box body.

Further, be equipped with the slide rail on the box down, the slide rail sets up along the direction of height of box down, the inboard of going up the box is equipped with the slider, slider and slide rail looks adaptation.

After adopting the technical scheme, compared with the background technology, the invention has the following advantages:

1. according to the invention, the button is pressed to drive the pull rope to retract the accommodating cavity through the thrust piece, and after the button is released, the lock pin extends out of the accommodating cavity under the action of the thrust piece and the first spring to realize a locking effect, so that the locking device is very convenient and labor-saving to operate.

2. The locking seat is provided with a plurality of second seat bodies, each second seat body is provided with a lock pin and a first spring, and each lock pin is controlled to stretch by a thrust piece which is connected into a whole, so that the lock pins can simultaneously realize locking action, and the locking reliability is ensured.

3. The height of the upper box body can be adjusted according to actual requirements to change the size of the luggage case, and the lower box body and the upper box body are connected together through the locking device, so that different requirements of use and placement can be met respectively, and the size of the luggage case can be adjusted conveniently.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a schematic partial structure diagram of a linkage mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the invention;

FIG. 4 is an exploded view of a partial structure according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a portion of a structure according to an embodiment of the present invention;

FIG. 6 is a schematic partial structure diagram according to a second embodiment of the present invention;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a perspective view of a third embodiment of the present invention (expanded state);

FIG. 9 is a second perspective view (expanded state) of the third embodiment of the present invention;

FIG. 10 is an exploded view of FIG. 9;

fig. 11 is a third perspective view (folded state) of the third embodiment of the present invention;

fig. 12 is a fourth perspective view (folded state) of the third embodiment of the present invention.

Description of reference numerals:

100. the locking device comprises a locking device, a shell, a mounting hole, a shell cover, a column, an extension part, a 141 groove, a 142 positioning groove, a locking seat, a 21 accommodating cavity, a 22 first seat body, a 221 mounting groove, a 222 mounting hole, a 223 limiting groove, a 23 second seat body, a 3 locking mechanism, a 31 locking pin, a 311 pin body, a 3111 thrust opening, a 312 stopping top, a 32 first spring, a 41 button, a 411 connecting seat, a 42 pull rope, a 421 lower connecting head, a 4211 first stop block, a 422 upper connecting head, a 43 thrust piece, a 431 second stop block, a 432 connecting part, a 44 hinge part and a 45 second spring;

200. a lower box body, 210, a lower lock hole, 220, a slide rail;

300. the upper box body, 310, the upper lock hole, 320, the slide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1, the invention discloses a locking device 100, which comprises a hollow shell 1, a locking seat 2, a locking mechanism 3 and a linkage mechanism.

As shown in fig. 1 to 3, a mounting opening 11 for mounting the button 41 is formed in the front side of the casing 1, a casing cover 12 for sealing the casing 1 is formed in the rear side of the casing 1, a plurality of columns 13 are disposed in the casing 1, the casing cover 12 is fixed on the columns 13, an extending portion 14 is formed on the side of the casing 1, a groove 141 communicated with the inside of the casing 1 is formed in the extending portion 14, and a positioning groove 142 is formed in the groove 141 along the length direction of the groove.

As shown in fig. 1, fig. 4 and fig. 5, the locking seat 2 is provided with an accommodating cavity 21, the locking seat 2 includes a first seat 22 and a second seat 23, the first seat 22 is provided with a mounting groove 221 and a mounting hole 222, the first seat 22 is provided with a limiting groove 223 at one side of the second seat 23, the first seat 22 extends toward the side to form the second seat 23, the second seat 23 is provided with the accommodating cavity 21, and the accommodating cavity 21 is communicated with the mounting groove 221.

The locking mechanism 3 includes a lock pin 31 and a first spring 32, the lock pin 31 is disposed in the accommodating chamber 21, the first spring 32 is disposed in the accommodating chamber 21 and is abutted to the lock pin 31, the lock pin 31 includes a pin body 311 and a top stop portion 312, a thrust notch 3111 is disposed at the top of the pin body 311, in this embodiment, the thrust notch 3111 has a triangular cross-sectional shape, and the pin body 311 extends to a side to form the top stop portion 312.

As shown in fig. 1 to 5, the linkage mechanism includes a button 41, a pull cord 42 and a thrust member 43, the button 41 is disposed on the housing 1, the pull cord 42 is connected to the button 41 at a lower end thereof and connected to the thrust member 43 at an upper end thereof, and one end of the lock pin 31 is retracted/extended into/out of the accommodating chamber 21 by the thrust member 43.

The back of the button 41 is provided with a connecting base 411, a hinge 44 is rotatably provided on the connecting base 411, the lower end of the pull cord 42 is rotatably connected to the hinge 44, and the button 41 is reset by a second spring 45.

The upper end of the pulling rope 42 is connected to the thrust member 43 after passing through the mounting hole 222 of the locking seat 2, the end of the lower end of the pulling rope 42 is provided with a lower connector 421, the lower connector 421 is rotatably connected to the hinge 44, the lower connector 421 is provided with a first stopper 4211, the lower connector 421 is inserted into the groove 141, and the first stopper 4211 moves along the positioning slot 142, the length of the groove 141 approximately matches with the moving distance of the top stop 312, so that the top stop 312 can be retracted into the accommodating cavity 21 by one pressing stroke of the button 41. In this embodiment, the pulling rope 42 is a rigid rope, and meanwhile, in order to ensure the stability and accuracy when pulling, a limiting block (not shown in the figure) is arranged along the rope laying direction of the pulling rope 42, and the pulling rope 42 is movably arranged in the limiting block in a penetrating manner so as to prevent the pulling rope from shaking or shifting when pulling.

The thrust member 43 is disposed in the mounting groove 221 and abuts against the thrust notch 3111 of the pin body 311, and the shape of the lower end of the thrust member 43 is adapted to the shape of the thrust notch 3111, in this embodiment, the cross-sectional shape of the thrust notch 3111 is preferably a right triangle, so that the thrust member 43 can move more accurately in the thrust notch 3111. The side of the thrust member 43 is extended to form a second stopper 431 and a connecting portion 432, respectively, the second stopper 431 moves in the limiting groove 223 to prevent the thrust member 43 from separating from the thrust port 3111, the connecting portion 432 is provided with a through hole, the pull rope 42 is movably inserted into the connecting portion 432, and the top end of the pull rope is provided with an upper connector 422.

In the present invention, the number of the locking seats 2 and the locking mechanisms 3 at least includes two, the button 41 is connected with a plurality of pull ropes 42, and the upper end of each pull rope 42 is connected with a thrust piece 43 for realizing the locking function of each locking mechanism 3. Preferably, in this embodiment, the number of the locking seats 2 and the locking mechanisms 3 is two, two pull ropes 42 are connected to the button 41, the upper ends of the two pull ropes 42 are respectively connected to the thrust pieces 43, the two pull ropes 42 can synchronously move to respectively pull the thrust pieces 43, so that one end of the lock pin 31 retracts into/extends out of the accommodating cavity 21, and the two locking mechanisms 3 together achieve a locking effect, thereby ensuring the reliability of locking.

Example two

As shown in fig. 1, 6 and 7, the difference between the present embodiment and the first embodiment is:

the first seat body 22 extends to the side to form a plurality of second seat bodies 23, the first seat body 22 is provided with mounting grooves 221 corresponding to the number of the second seat bodies 23, each second seat body 22 is provided with a containing cavity 21, the containing cavities 21 are respectively communicated with the mounting grooves 221, the containing cavities 21 are respectively provided with lock pins 31 and first springs 32, the number of the thrust pieces 43 corresponds to the number of the first seat bodies 22, the connecting parts 432 of the thrust pieces 43 are connected into a whole, and the thrust pieces 43 are respectively abutted against the thrust ports 3111 of the lock pins 31.

In this embodiment, the number of the second seat 23 formed by extending the first seat 22 to the side is preferably two, the number of the thrust pieces 43 is also two, the connecting portion 432 of the two thrust pieces 43 is connected integrally, and the two thrust pieces 43 respectively abut against the thrust notch 3111 of the lock pin 31. The pulling rope 42 can pull each thrust piece 43 at the same time, so that one end of each lock pin 31 retracts/extends into the accommodating cavity 21, and the lock pins 31 realize locking together, thereby further ensuring the reliability of locking.

EXAMPLE III

As shown in fig. 1 and 8 to 12, the present invention further discloses a luggage case, which includes a lower case 200, an upper case 300 and the locking device 100, wherein the lower case 200 is provided with a lower locking hole 210, the upper case 300 is provided with at least two upper locking holes 310 at the same plane position as the lower locking hole 210, the locking device 100 is provided on the inner side wall of the lower case 200, and the locking pin 31 of the locking device 100 extends into the lower locking hole 210 and is inserted into one of the upper locking holes 310, so as to connect the lower case 200 and the upper case 300 together.

In this embodiment, the lower case 200 is provided with a slide rail 220, the slide rail 220 is disposed along the height direction of the lower case 200, the inner side of the upper case 300 is provided with a slide block 320, the slide block 320 is adapted to the slide rail 220, and when the upper case 300 moves relative to the lower case 200, the slide block 320 is adapted to the slide rail 220, which not only improves the connection stability between the upper case 300 and the lower case 200, but also enables the alignment between the top stop portion 312 and the upper locking hole 310 to be more accurate.

The working principle of the invention is as follows:

when the luggage case is in an unadjusted state, the first spring 32 is in a compressed state, so that the lock pin 31 extends out of the accommodating cavity 21, and meanwhile, since the second stopper 431 of the thrust member 43 is limited by the limiting groove 223, the lower end of the thrust member 43 abuts against the position of the thrust port 3111 close to the top, so as to limit the length of the outward extension of the lock pin 31, so that the top stop portion 312 of the lock pin 31 is exposed out of the accommodating cavity 21. At this time, the outwardly protruding top stopper 312 is inserted into the lower locking hole 210 of the lower casing 200 and one of the upper locking holes 310 of the upper casing 300, thereby coupling the lower casing 200 and the upper casing 300 together.

When the height of the luggage case needs to be adjusted, the button 41 is pressed firstly, the upper case body 300 can move up and down relative to the lower case body 200, then the lower case body 200 is moved to the required height, the top stop part 312 is inserted into the other upper lock hole 310 of the upper case body 300, and the lower case body 200 and the upper case body 300 are connected together, and the specific process is as follows:

after the button 41 is pressed, the connecting seat 411 at the back of the button 41 moves toward the housing cover 12 along with the button 41, so that the hinge 44 on the connecting seat 411 rotates toward the middle of the button 41, and further pulls the pull rope 42 downward, and the thrust member 43 moves downward to the bottom from the position of the thrust port 3111 near the top under the pulling of the pull rope 42. At this time, the first spring 32 is further compressed, the top stop portion 312 of the lock pin 31 retracts from the outside of the receiving cavity 21, and is not inserted into the upper locking hole 310 of the upper case 300, the upper case 300 can move up and down relative to the lower case 200, and after the upper case 300 moves to a predetermined height relative to the lower case 200, the top stop portion 312 is inserted into the other upper locking hole 310 of the upper case 300, thereby completing the adjustment of the size of the luggage case.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A locking device, characterized by: the locking mechanism comprises a button, a pull rope and a thrust piece, wherein the button is arranged on the shell, the lower end of the pull rope is connected with the button, the upper end of the pull rope is connected with the thrust piece, and one end of the lock pin retracts/extends out of the accommodating cavity through the thrust piece.

2. A lock-out mechanism as claimed in claim 1, wherein: the back of the button is provided with a connecting seat, the connecting seat is rotatably provided with an articulated piece, and the lower end of the pull rope is rotatably connected to the articulated piece.

3. A lock-out mechanism as claimed in claim 2, wherein: the utility model discloses a casing, including stay cord, articulated elements, casing, length direction, connector, lower connector, the tip of stay cord lower extreme is equipped with down the connector, the connector connect with rotating down on the articulated elements, be equipped with first dog down on the connector, the side of casing is formed with the extension, be equipped with on the extension with the inside communicating recess of casing, be equipped with the constant head tank along its length direction on the recess, the connector is worn to locate in the recess down, and makes first dog removes along the constant head tank.

4. A lock-out mechanism as claimed in claim 1, wherein: the locking seat comprises a first seat body and a second seat body, wherein the first seat body is provided with a mounting groove and a mounting hole, the thrust piece is arranged in the mounting groove, the upper end of the pull rope penetrates through the mounting hole and then is connected with the thrust piece, the first seat body extends towards the side edge to form the second seat body, the second seat body is provided with the accommodating cavity, and the accommodating cavity is communicated with the mounting groove.

5. A lock-out mechanism as claimed in claim 4, wherein: the lock pin comprises a pin body and a top stop part, wherein the top of the pin body is provided with a thrust opening, the thrust piece is abutted against the thrust opening, and the pin body extends towards the side edge to form the top stop part.

6. A lock-out mechanism as claimed in claim 5, wherein: the cross-sectional shape of the thrust opening is triangular, the shape of the lower end of the thrust piece is matched with the shape of the thrust opening, the side edges of the thrust piece extend to form a second stop block and a connecting part respectively, a limiting groove is formed in one side of the second seat body of the first seat body, the second stop block moves in the limiting groove, the stay cord is movably arranged in the connecting part in a penetrating mode, and an upper connecting head is arranged at the top end of the stay cord.

7. A lock-out mechanism as claimed in claim 6, wherein: the first seat body extends towards the side edge to form a plurality of second seat bodies, mounting grooves corresponding to the number of the first seat bodies are formed in the first seat body, each second seat body is provided with a containing cavity, the containing cavities are respectively communicated with the mounting grooves, locking pins and first springs are arranged in the containing cavities, the number of the thrust pieces corresponds to the number of the first seat bodies, connecting parts of the thrust pieces are connected into a whole, and the thrust pieces are respectively abutted against thrust ports of the locking pins.

8. A lock-out mechanism as claimed in claim 1, wherein: the button switch is characterized in that a mounting opening for mounting a button is formed in the front side of the shell, a shell cover for sealing the shell is arranged on the rear side of the shell, a plurality of stand columns are arranged in the shell, and the shell cover is fixed on the stand columns.

9. A luggage case, characterized in that: the locking device comprises a lower box body, an upper box body and the locking device as claimed in any one of claims 1 to 8, wherein the lower box body is provided with a lower locking hole, the upper box body is provided with at least two upper locking holes at the position on the same plane with the lower locking hole, the locking device is arranged on the inner side wall of the lower box body, and a locking pin of the locking device extends into the lower locking hole and is inserted into one of the upper locking holes so as to connect the lower box body and the upper box body together.

10. An article of luggage as claimed in claim 9, wherein: the lower box body is provided with a slide rail, the slide rail is arranged along the height direction of the lower box body, the inner side of the upper box body is provided with a slide block, and the slide block is matched with the slide rail.