CN220949010U - Locking device for package box frame - Google Patents
Locking device for package box frame Download PDFInfo
- Publication number
- CN220949010U CN220949010U CN202323120129.XU CN202323120129U CN220949010U CN 220949010 U CN220949010 U CN 220949010U CN 202323120129 U CN202323120129 U CN 202323120129U CN 220949010 U CN220949010 U CN 220949010U
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- limiting
- bolt
- housing
- spring
- opening
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- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model discloses a locking device for a packaging box frame, which comprises a housing, wherein one end of the housing is provided with a support, a bolt is arranged in the support, and a first spring is sleeved on the outer layer of the bolt; the pin is provided with a cotter pin, and the first spring is positioned between the cotter pin and the side wall of the support; the cover shell is provided with a limit opening which extends from one end face of the cover shell to the other end face of the cover shell; the other end of the housing is provided with a limiting component for limiting the movement of the bolt, the limiting component comprises a limiting piece body, a limiting shaft and a slide bar handle, and the limiting shaft is provided with a second spring; the tail end of the housing is provided with a blocking piece fixedly connected with the housing, and the limiting piece body moves away from the bolt when the sliding rod handle is pulled; according to the utility model, the limit component is arranged in the housing, the rotation of the bolt is limited by the limit component body, and the limit component body is pressed to contact the bolt by the spring, so that the bolt is stably maintained in a locking state; the limiting part body is controlled to move through the sliding rod handle, so that the unlocking is convenient.
Description
Technical Field
The utility model belongs to the technical field of latch locks, and particularly relates to a locking device for a packaging box frame.
Background
The latch lock is generally used for locking two frames assembled with each other, and the existing latch lock generally comprises a housing and a latch, wherein the latch is arranged in the housing and can rotate and retract relative to the housing; the housing is generally arranged on one frame, and the other frame is provided with a lock hole matched with the bolt; when the bolt is inserted into the lock hole, the two frames are kept in a locking state; and rotating the latch and pulling the latch out of the lock hole to unlock the two frames. A limiting spring is also arranged in the existing bolt, and the limiting spring is arranged between the bolt and the housing; the housing is often provided with a limit opening for sliding the bolt, and the frame can shake in the use process, so that the bolt can rotate relative to the housing, and the bolt can slide relative to the housing in the shake process, so that the bolt lock can not be stably maintained in a locking state, and a certain potential safety hazard exists. It is therefore desirable to devise a locking device designed for a package frame that overcomes the above difficulties.
Disclosure of Invention
The utility model designs a locking device for a packaging box frame aiming at the problems in the prior art, wherein a limiting component is arranged in a housing, a limiting piece body is used for limiting the rotation of a bolt, and the limiting piece body is pressed by a spring to contact the bolt, so that the bolt is stably maintained in a locking state; the limiting part body is controlled to move through the sliding rod handle, so that the unlocking is convenient.
The utility model aims at realizing the following technical scheme: the locking device for the packaging box frame comprises a housing, wherein one end of the housing is provided with a support fixedly connected with the housing, a bolt capable of rotating and stretching relative to the support is inserted into the support, and a first spring is sleeved on the outer layer of the bolt; the latch is provided with a cotter pin detachably connected with the latch, and the first spring is positioned between the cotter pin and the side wall of the support; the cover shell is provided with a limit opening, and the limit opening extends from one end face of the cover shell to the other end face of the cover shell; the other end of the housing is provided with a limiting assembly for limiting the bolt to move, the limiting assembly comprises a limiting piece body, a limiting shaft and a slide bar handle, and the limiting shaft is provided with a second spring; the tail end of the housing is provided with a blocking piece fixedly connected with the housing, and the limiting piece body moves away from the bolt when the sliding rod handle is pulled.
Preferably, two ends of the limiting shaft are respectively provided with a limiting part body and a sliding rod handle which are fixedly connected with the limiting part body, the limiting part body is arranged close to the bolt, and the sliding rod handle is arranged close to the blocking part; the limiting shaft is inserted on the blocking piece and is coaxially arranged with the housing, and the sliding rod handle is arranged at the end of the blocking piece opposite to the limiting piece body; the second spring is arranged between the blocking piece and the limiting piece body, one end of the second spring is propped against the blocking piece, and the other end of the second spring is propped against the limiting piece body.
The second spring is in a compressed state in a default state, so that the second spring can squeeze the limiting part body, the limiting part body is abutted against the tail end of the bolt, and the bolt is in an initial position of the limiting opening; at this time, the bolt cannot rotate and cannot slide relative to the housing; simultaneously, the first spring on the plug pin is in a compressed state; when the unlocking is needed, the sliding rod handle is pulled out of the housing, the second spring is in a compressed state, and the limiting part body is far away from the bolt; the bolt can rotate relative to the housing after losing the limit of the limit part body; when the bolt rotates a certain angle and is far away from the initial position of the limiting opening, the bolt loses the limit, and then the bolt automatically slides relative to the limiting opening under the action of the elastic force of the first spring, so that the bolt is separated from the lock hole on the frame. When the sliding rod handle is released, the second spring can push the limiting part body to move, the limiting part body pushes the bolt to move, and the bolt automatically returns to the initial position of the limiting opening along the edge of the limiting opening, so that the bolt is in a locking state.
Preferably, the slide bar handle comprises a handle body and a columnar limiting part, wherein the handle body and the columnar limiting part are both cylindrical; the outer diameter of the handle body is larger than that of the columnar limiting part, and the outer diameter of the columnar limiting part is larger than that of the limiting shaft. Therefore, the limiting shaft cannot be separated from the blocking piece, and the second spring can stably generate elasticity when the sliding rod handle is pulled outwards of the housing.
Preferably, the columnar limiting part is pressed by the limiting part body to contact the bolt when being attached to the blocking part, and the limiting assembly is in a locking state when the limiting part body is pressed by the contact bolt; and the limiting component is in an unlocking state when the limiting component body is far away from the bolt.
Preferably, a first rivet is fixedly connected between the blocking element and the housing.
Preferably, the limiting part body is a bending plate, and the bending angle of the bending plate is 90 degrees; one end face of the limiting part body and the bolt are arranged in parallel, and the other end face of the limiting part body faces the limiting opening.
One end face of the limiting part body is mutually attached to the bolt, so that the bolt is prevented from moving axially relative to the housing; the other end face of the limiting part body faces to the initial position of the limiting opening, so that the bolt is prevented from rotating relative to the housing, and the bolt is kept in a locking state stably.
Preferably, the support is a concave bending plate, and a second riveting piece for fixing the support and the housing is arranged between the support and the housing; the support is provided with a first through hole for inserting the bolt, and the aperture of the first through hole is matched with the outer diameter of the bolt.
Through setting up first through-hole, conveniently alternate the bolt on the support.
Preferably, the bolt is provided with a second through hole for installing the cotter pin, and the internal contour of the second through hole is matched with the external contour of the cotter pin; the cotter pin is inserted from one end of the second through hole and penetrates out from the other end of the second through hole; one end of the first spring is abutted against the side wall of the support, and the other end of the first spring is abutted against the cotter pin.
Through setting up the cotter pin, conveniently carry out spacingly to first spring, first spring will be in compression state, then first spring will produce stable elasticity.
Preferably, a first bending part and a second bending part are respectively arranged at two ends of the bolt, the first bending part is close to the end provided with the first spring, and the second bending part is close to the limiting part body; the limiting assembly is in a locking state when the second bending part is mutually attached to the limiting part body; the limiting opening comprises a first opening and a second opening, the first opening and the second opening are mutually communicated and are mutually perpendicular, and the second opening and the bolt are both arranged along the axial direction of the housing.
The first bending part is inserted into the lock hole of the other frame, so that the two frames are conveniently locked; the second bending part is convenient for rotating the bolt and pushing the bolt to move relative to the housing. Under the default state, the second bending part of the bolt is positioned in the first opening, the first opening is the initial position of the limiting opening, the bolt is in the locking state at the moment, and the first spring is in the compression state; when the limiting part body is far away from the bolt, the bolt can rotate relative to the first opening; the latch is rotated to be far away from the first opening, then the first spring pushes the latch to slide along the direction of the second opening, and then the first bending part of the latch is far away from the lock hole, so that the latch is in an unlocking state. When the unlocking state is switched to the locking state, the sliding rod handle is released, the second spring pushes the limiting piece body to move, and the limiting piece body pushes the bolt to slide into the first opening at the initial position from the second opening.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is characterized in that a support is arranged in a housing, a bolt capable of rotating and sliding relative to the support is arranged in the support, a cotter pin is arranged on the bolt, a first spring is arranged in the cotter pin and the support, and the first spring is always in a compressed state; the other end of the housing is provided with a limiting component for limiting the rotation and sliding of the bolt, and when the limiting component body is far away from the bolt, the bolt can be automatically pushed to slide by the elastic force of the first spring, so that the bolt can be unlocked quickly, and the unlocking is convenient. The limiting piece body is connected with the sliding rod handle through the limiting shaft, and the bolt is conveniently unlocked by pulling the sliding rod handle; the limiting shaft is provided with a second spring, and when the sliding rod handle is loosened, the second spring can enable the limiting part body to automatically reset, so that the latch is locked; meanwhile, the limiting part body on the limiting assembly can prevent the bolt from rotating, and the bolt can be stably maintained in a locking state. Therefore, the utility model locks the bolt through the limit component, and the lock is reliable and stable. Simultaneously, the convenient unblock bolt, simple structure, convenient operation.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a perspective view of the hidden housing of the present utility model;
Fig. 4 is a perspective view of the spacing assembly.
The marks in the figure: 1. a housing; 2. a support; 3. a plug pin; 4. a first spring; 5. a cotter pin; 6. a limit opening; 61. a first opening; 62. a second opening; 7. a limit component; 71. a limiting part body; 72. a limiting shaft; 73. a slide bar handle; 74. a second spring; 75. a handle body; 76. a columnar limit part; 8. a blocking member; 9. a first rivet; 10. a second rivet; 11. a first through hole; 12. a second through hole; 13. a first bending part; 14. and a second bending part.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
As shown in fig. 1 to 4, the embodiment discloses a locking device for a packaging box frame, which comprises a housing 1, wherein one end of the housing 1 is provided with a support 2 fixedly connected with the housing, a bolt 3 capable of rotating and stretching relative to the support 2 is inserted into the support 2, and a first spring 4 is sleeved on the outer layer of the bolt 3; the latch 3 is provided with a cotter pin 5 detachably connected with the latch, and the first spring 4 is positioned between the cotter pin 5 and the side wall of the support 2; a limit opening 6 is arranged on the housing 1, and the limit opening 6 extends from one end face of the housing 1 to the other end face of the housing 1; the other end of the housing 1 is provided with a limiting component 7 for limiting the movement of the bolt 3, the limiting component 7 comprises a limiting piece body 71, a limiting shaft 72 and a sliding rod handle 73, and the limiting shaft 72 is provided with a second spring 74; the end of the housing 1 is provided with a blocking piece 8 fixedly connected with the end, and the limiting piece body 71 moves away from the bolt 3 when the slide bar handle 73 is pulled.
1. The two ends of the limiting shaft 72 are respectively provided with a limiting piece body 71 and a sliding rod handle 73 which are fixedly connected with the limiting piece body 71, the limiting piece body 71 is arranged close to the bolt 3, and the sliding rod handle 73 is arranged close to the blocking piece 8; the limiting shaft 72 is inserted in the blocking piece 8 and is coaxially arranged with the housing 1, and the sliding rod handle 73 is arranged at the end of the blocking piece 8 opposite to the limiting piece body 71; the second spring 74 is disposed between the stopper 8 and the stopper body 71, one end of the second spring 74 abuts against the stopper 8, and the other end of the second spring 74 abuts against the stopper body 71. The slide bar handle 73 comprises a handle body 75 and a columnar limiting part 76, and the handle body 75 and the columnar limiting part 76 are both cylindrical; the outer diameter of the handle body 75 is larger than the outer diameter of the cylindrical limiting portion 76, and the outer diameter of the cylindrical limiting portion 76 is larger than the outer diameter of the limiting shaft 72. When the columnar limiting part 76 is attached to the blocking piece 8, the limiting piece body 71 presses the contact plug 3, and when the limiting piece body 71 presses the contact plug 3, the limiting assembly 7 is in a locking state; the limiting component 7 is in an unlocking state when the limiting component body 71 is far away from the bolt 3. A first rivet 9 is fixedly connected between the blocking element 8 and the housing 1. The limiting part body 71 is a bending plate, and the bending angle of the bending plate is 90 degrees; one end face of the limiting member body 71 and the plug pin 3 are arranged in parallel, and the other end face of the limiting member body 71 is arranged towards the limiting opening 6.
The support 2 is a concave bending plate, and a second riveting piece 10 for fixing the support 2 and the housing 1 is arranged between the support 2 and the housing 1; the support 2 is provided with a first through hole 11 for inserting the bolt 3, and the aperture of the first through hole 11 is matched with the outer diameter of the bolt 3. The bolt 3 is provided with a second through hole 12 for installing the cotter pin 5, and the inner contour of the second through hole 12 is matched with the outline contour of the cotter pin 5; the cotter pin 5 is inserted from one end of the second through hole 12 and penetrates out from the other end of the second through hole 12; one end of the first spring 4 abuts against a side wall of the support 2, and the other end of the first spring 4 abuts against the cotter pin 5. The two ends of the bolt 3 are respectively provided with a first bending part 13 and a second bending part 14, the first bending part 13 is close to the end provided with the first spring 4, and the second bending part 14 is close to the limiting part body 71; the limiting assembly 7 is in a locking state when the second bending part 14 is mutually attached to the limiting part body 71; the limiting opening 6 comprises a first opening 61 and a second opening 62, the first opening 61 and the second opening 62 are communicated with each other and are perpendicular to each other, and the second opening 62 and the bolt 3 are both arranged along the axial direction of the housing 1.
The specific operation process of this embodiment is as follows, the locking device is used for locking two frames spliced with each other, the bolt 3 is inserted in the lock hole of the frame under the default state, at this moment the bolt is in the locking state; the first spring 4 on the bolt 3 is in a compressed state, the limiting piece body 71 presses the second bending part 14 on the contact bolt 3, the second spring 74 is in a compressed state, at this time, the bolt 3 is clamped in the first opening 61 of the limiting opening 6, and the first opening 61 is the initial position of the bolt 3. By the limitation of the limiter body 71, the plug 3 cannot rotate and expand and contract, and can be stably maintained in the locked state. When unlocking is needed, the slide bar handle 73 is pulled to enable the limiting piece body 71 to be far away from the bolt 3; after pulling the slide bar handle 73, the second spring 74 is further compressed; the latch 3 is rotated away from the first opening 61, and then the latch 3 slides along the second opening 62 under the elastic force of the first spring 4, so that the latch 3 is in an unlocked state. When the sliding rod handle 73 is released and the stopper body 71 pushes the latch 3 under the elastic force of the second spring 74, the latch 3 automatically returns to the first opening 61 along the second opening 62, and the latch 3 automatically returns to the initial default locked state.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The locking device for the packaging box frame comprises a housing (1) and is characterized in that one end of the housing (1) is provided with a support (2) fixedly connected with the housing, a bolt (3) capable of rotating and stretching relative to the support (2) is inserted into the support (2), and a first spring (4) is sleeved on the outer layer of the bolt (3); the latch (3) is provided with a cotter pin (5) which is detachably connected with the latch, and the first spring (4) is positioned between the cotter pin (5) and the side wall of the support (2); a limit opening (6) is formed in the housing (1), and the limit opening (6) extends from one end face of the housing (1) to the other end face of the housing (1); the other end of the housing (1) is provided with a limiting component (7) for limiting the movement of the bolt (3), the limiting component (7) comprises a limiting part body (71), a limiting shaft (72) and a sliding rod handle (73), and the limiting shaft (72) is provided with a second spring (74); the tail end of the housing (1) is provided with a blocking piece (8) fixedly connected with the housing, and the limiting piece body (71) moves away from the bolt (3) when the sliding rod handle (73) is pulled.
2. The locking device for the packaging box frame according to claim 1, wherein two ends of the limiting shaft (72) are respectively provided with a limiting piece body (71) and a sliding rod handle (73) which are fixedly connected with the limiting piece body, the limiting piece body (71) is arranged close to the bolt (3), and the sliding rod handle (73) is arranged close to the blocking piece (8); the limiting shaft (72) is inserted in the blocking piece (8) and is coaxially arranged with the housing (1), and the sliding rod handle (73) is arranged at the end of the blocking piece (8) opposite to the limiting piece body (71); the second spring (74) is arranged between the blocking piece (8) and the limiting piece body (71), one end of the second spring (74) is abutted against the blocking piece (8), and the other end of the second spring (74) is abutted against the limiting piece body (71).
3. The locking device for a package frame according to claim 2, wherein the slide bar handle (73) comprises a handle body (75) and a columnar stopper (76), the handle body (75) and the columnar stopper (76) each being columnar; the outer diameter of the handle body (75) is larger than that of the columnar limiting part (76), and the outer diameter of the columnar limiting part (76) is larger than that of the limiting shaft (72).
4. A locking device for a package frame according to claim 3, characterized in that the stopper body (71) presses the contact pin (3) when the columnar stopper (76) and the stopper (8) are attached, and the stopper assembly (7) is in a locked state when the stopper body (71) presses the contact pin (3); and the limiting component (7) is in an unlocking state when the limiting component body (71) is far away from the bolt (3).
5. Locking device for a packaging box frame according to claim 2, characterized in that a first rivet (9) is provided between the blocking element (8) and the housing (1) in a fixed connection.
6. A locking device for a package frame according to claim 2, characterized in that the stop body (71) is a bending plate, the bending angle of which is 90 degrees; one end face of the limiting part body (71) and the bolt (3) are arranged in parallel, and the other end face of the limiting part body (71) faces the limiting opening (6).
7. Locking device for a packaging box frame according to claim 1, characterized in that the support (2) is a concave bending plate, a second rivet (10) is arranged between the support (2) and the casing (1) for fixing the two; the support (2) is provided with a first through hole (11) for inserting the bolt (3), and the aperture of the first through hole (11) is matched with the outer diameter of the bolt (3).
8. Locking device for a packaging box frame according to claim 1, characterized in that the plug pin (3) is provided with a second through hole (12) for mounting the cotter pin (5), the internal contour of the second through hole (12) being matched with the external contour of the cotter pin (5); the cotter pin (5) is inserted from one end of the second through hole (12) and penetrates out from the other end of the second through hole (12); one end of the first spring (4) is abutted against the side wall of the support (2), and the other end of the first spring (4) is abutted against the cotter pin (5).
9. Locking device for a packaging box frame according to claim 1, characterized in that the two ends of the plug pin (3) are respectively provided with a first bending part (13) and a second bending part (14), the first bending part (13) is close to the end provided with the first spring (4), and the second bending part (14) is close to the limiting piece body (71); the limiting assembly (7) is in a locking state when the second bending part (14) is mutually attached to the limiting part body (71); the limiting opening (6) comprises a first opening (61) and a second opening (62), the first opening (61) and the second opening (62) are communicated with each other and are arranged vertically to each other, and the second opening (62) and the bolt (3) are arranged along the axial direction of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323120129.XU CN220949010U (en) | 2023-11-17 | 2023-11-17 | Locking device for package box frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323120129.XU CN220949010U (en) | 2023-11-17 | 2023-11-17 | Locking device for package box frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220949010U true CN220949010U (en) | 2024-05-14 |
Family
ID=91012181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323120129.XU Active CN220949010U (en) | 2023-11-17 | 2023-11-17 | Locking device for package box frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220949010U (en) |
-
2023
- 2023-11-17 CN CN202323120129.XU patent/CN220949010U/en active Active
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