CN211469078U

CN211469078U - Turnover case locking device

Info

Publication number: CN211469078U
Application number: CN201922357849.5U
Authority: CN
Inventors: 周红理
Original assignee: Yongkang Zhilu Technology Co ltd
Current assignee: Yongkang Zhilu Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-11
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a turnover case locking device, including case lid latched device, box latched device, case lid latched device include the case lid fixing base, the spanner of unblanking, the spring bolt slider, the spring bolt, the spring holder, a spring, be equipped with the slider spout on the case lid fixing base, spring bolt spout and spring holder fixed slot, be equipped with the spacing notch of spring holder notch and spring bolt on the spring bolt slider, the spring bolt slider sets up on the slider spout, the spring bolt sets up on the spring bolt spout, the rotor arm of spanner of unblanking articulates on the spring bolt slider, the spring bolt locating part setting on the spring bolt is flexible on the spring bolt slider and carries on spacingly to the spring bolt, the spring holder is fixed on the spring holder fixed slot and is stretched into in. After adopting above-mentioned structure, have simple structure reasonable, the flexible operation is light, close the automatic locking of lid, use reliable and stable, the security performance is good, be convenient for advantages such as turnover case recycle.

Description

Turnover case locking device

Technical Field

The utility model relates to a case and bag technical field, especially a turnover case locking device who uses with turnover case cooperation.

Background

In order to improve resource recovery utilization rate, reduce the wasting of resources, the turnover case is widely used in mill turnover, commodity circulation transportation turnover and express delivery transportation turnover, nevertheless has following problem in the use: firstly, current turnover case mainly uses the sticky tape encapsulation, is unfavorable for dismouting and recycle, and especially the express delivery case is scrapped with abandonment after using, because the reason of sticky tape, the express delivery case of abandonment recovery also is difficult to handle, and the wasting of resources is very serious. Secondly, if the adhesive tape is not used and only the surface sheet is used for packaging, the strength is poor in the logistics and rapid packaging turnover processes, and the adhesive tape is not easy to find in the circulation link after being opened, so that unsafe factors in the use of the turnover box are greatly increased, and the safety performance cannot be guaranteed. Thirdly, although there is also a turnover box using the locking device, the existing locking device has the disadvantages of complex structure, unreasonable design, high production cost, inconvenient operation and use and unreliable use. Aiming at the problems, many manufacturers and acquaintances develop and develop the products, but no satisfactory products come out.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the utility model aims to provide a turnover box locking device which has the advantages of simple and reasonable structure, flexible and light operation, automatic locking when closing the cover, stable and reliable use, good safety performance and convenient recycle of the turnover box.

The utility model adopts the technical proposal for solving the technical problems, which comprises a case cover latch mechanism fixed on the case cover and a case body latch mechanism fixed on the case body, wherein the case cover latch mechanism comprises a case cover fixing seat, an unlocking wrench, a spring bolt slider, a spring bolt, a spring seat and a spring, a wrench notch matched with the unlocking wrench, a slider chute and a spring bolt chute corresponding to the spring bolt slider and the spring bolt, and a spring seat fixing groove matched with the spring seat are correspondingly arranged on the case cover fixing seat, the spring seat slider is provided with a spring seat notch matched with the spring seat and a spring bolt limiting notch matched with the spring bolt, the unlocking wrench is arranged on the wrench notch and is provided with a rotating arm, the spring bolt slider is slidably arranged on the slider chute, the spring bolt is slidably arranged on the spring bolt chute, the rotating arm of the unlocking wrench, the spring seat is fixed on the spring seat fixing groove and extends into the spring seat notch, and the spring is arranged between the spring seat and the spring bolt; when the unlocking wrench is pulled upwards, the unlocking wrench overcomes the elastic force of the spring and then uses the groove wall of the wrench notch as a rotating support to drive the rotating arm to rotate and slide downwards along the groove wall, and the rotating arm pulls the lock tongue through the lock tongue sliding block to separate the lock tongue from the lock hole of the box body locking mechanism to realize unlocking.

The utility model discloses a further scheme, the case lid fixing base on be equipped with a location locked groove at least, box latched device includes the box fixing base, be equipped with on the box fixing base with location locked groove complex location spring bolt, be equipped with on the middle location spring bolt with spring bolt complex lockhole.

The utility model discloses a further scheme, the spring holder on be equipped with the stroke location round pin that prevents spring bolt slider and spring bolt from pulling out from the spanner notch, the spring correspondence cup joints on the stroke location round pin, when the back is pulled the spanner of unblanking and is surpassed the stroke, the stroke location round pin touches the spring bolt and realizes the stroke location.

The utility model discloses a further scheme, the spring holder both sides correspondence be equipped with the back-off, the both sides correspondence of spring holder fixed slot be equipped with back-off matched with catching groove, the spring holder passes through the back-off and fixes on the spring holder fixed slot with the catching groove cooperation.

The utility model discloses a further scheme, case lid fixing base on be equipped with the arc notch that the handle portion of the spanner of unblanking of being convenient for pulled upwards.

The utility model discloses a further scheme, the spring bolt and lockhole locking time case lid fixing base and the plane of unblanking between the spanner on be equipped with the strip of paper used for sealing pad pasting that is used for pasting the strip of paper used for sealing.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly, because the turnover case passes through case lid latched device and box latched device cooperation locking, need not the sticky tape during the use and can satisfy the encapsulation requirement, not only turnover case reuse rate is high, accords with environmental protection policy requirement, moreover can greatly reduced product packaging cost. Secondly, when the case cover is closed, the positioning lock slot on the case cover fixing seat is buckled on the positioning lock tongue of the case body fixing seat, so that the case cover and the case body are accurately aligned, the lock tongue is automatically matched and locked with the lock hole under the elastic action of the spring, and the case cover locking device is simple to operate and convenient to use. Thirdly, after the box sealing is finished, the single seal is pasted on the seal pasting area, and the method can be used for logistics and express delivery, wherein the single seal is a seal of a packing box, and the opening is regarded as opening, so that the safety of commodities in the transportation process is ensured. And fourthly, adhesive tapes are not used for logistics and express packaging, so that the using amount of the logistics and express adhesive tapes is greatly reduced, and solid waste and environmental pollution caused by the adhesive tapes are reduced. And fifthly, because the adhesive tape is not used, the packing box can be recycled, the utilization rate of the packing box is greatly improved, the packing cost of the product is reduced, and the market competitiveness of the product is favorably improved.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the locking device of the present invention.

Fig. 2 is a schematic view of the matching structure of the lock tongue linkage mechanism of the present invention.

Fig. 3 is a schematic view of an exploded structure of the box cover locking mechanism of the present invention.

Fig. 4 is an exploded schematic view of the box body locking mechanism of the present invention.

Fig. 5 is a schematic view of the exploded structure of the spring seat of the box cover locking mechanism of the present invention.

Fig. 6 is a schematic view of the matching structure of the present invention during locking.

Fig. 7 is a schematic view of the matching structure of the present invention during unlocking.

Wherein 1 case lid, 2 case lid fixing bases, 3 boxes, 4 box fixing bases, 5 spanners of unblanking, 6 spring bolt sliders, 7 spring holder notches, 8 back-offs, 9 spring holders, 10 springs, 11 spring bolts, 12 rotor arms, 13 torsional springs, 14 connecting pins, 15 spanner notches, 16 case lid fixed plates, 17 spring bolt limiting notches, 18 spring bolt locating parts, 19 box fixed plates, 20 location spring bolts, 21 lockholes, 22 spring holder fixed slots, 23 spring bolt chutes, 24 location locked slots, 25 slider chutes, 26 stroke location pins, 27 spring bolt chutes, 28 strip of paper used for sealing adhesion area.

Detailed Description

Fig. 1 to 7 show a specific embodiment of the lock device of the turnover box of the present invention, which comprises a box cover lock mechanism fixed on a box cover 1 by a box cover fixing plate 16, and a box lock mechanism fixed on a box body 3 by a box body fixing plate 19, wherein the box cover lock mechanism comprises a box cover fixing seat 2, an unlocking wrench 5, a bolt slider 6, a bolt 11, a spring seat 9, and a spring 10, a wrench notch 15 matched with the unlocking wrench 5, a slider chute 25 and a bolt chute 23 corresponding to the bolt slider 6 and the bolt 11, and a spring seat fixing slot 22 matched with the spring seat 9 are correspondingly arranged on the box cover fixing seat 2, a spring seat notch 7 matched with the spring seat 9, a bolt limit notch 17 and a bolt chute 27 matched with the bolt 11 are arranged on the bolt slider 6, the unlocking wrench 5 is arranged on the wrench notch 15 and is provided with a rotating arm 12, bolt slider 6 slidable ground sets up on slider spout 25, bolt 11 slidable ground sets up on bolt spout 23, the rotor arm 12 of spanner 5 of unblanking articulates on bolt slider 6 through connecting pin 14 and torsional spring 13 elastically resettingly, bolt locating part 18 slidable ground on bolt 11 sets up on bolt slider 6's bolt sliding tray 27 and by the locating piece on bolt locating part 18 and the spacing notch 17 cooperation of bolt to bolt 11 flexible spacing, spring holder 9 is fixed on spring holder fixed slot 22 and is stretched into in spring holder notch 7, spring 10 sets up between spring holder 9 and bolt 11. In order to ensure accurate box closing positioning and reliable locking, the box cover fixing seat 2 is at least provided with a positioning lock groove 24, the box body lock catch mechanism comprises a box body fixing seat 4, the box body fixing seat 4 is provided with a positioning lock tongue 20 matched with the positioning lock groove 24, and the middle positioning lock tongue 20 is provided with a lock hole 21 matched with the lock tongue 11.

When the unlocking wrench 5 is pulled upwards to open the box cover, the unlocking wrench 5 overcomes the elasticity of the spring 10 and then uses the groove wall of the wrench notch 15 as a rotating support to drive the rotating arm 12 to rotate and slide downwards along the groove wall, the rotating arm 12 pulls the bolt slider 6, the bolt slider 6 is matched with the bolt limiting notch 17 through the positioning block on the bolt limiting part 18 to pull the bolt 11 and compress the spring 10, so that the bolt 11 is separated from the lock hole 21 of the box body lock catch mechanism to realize unlocking. When closing 1 joint sealing of case lid, location spring bolt 20 on the box fixing base 4 inserts in the location locked groove 24 on the case lid fixing base 2, the inclined plane of spring bolt 11 receives location spring bolt 20 and pushes away crowded, spring bolt 11 contracts back relative spring bolt slider 6 after overcoming the elasticity of spring 10, when spring bolt 11 aligns the lockhole 21 on the location spring bolt 20, spring bolt 11 inserts lockhole 21 automatically under the spring action of spring 10 and realizes locking automatically, thereby accomplish the joint sealing, at the automatic in-process of locking of closing 1 case lid, unblank spanner 5 and spring bolt slider 6 remain motionless all the time.

In order to prevent misoperation, the spring seat is provided with a stroke positioning pin 26 for preventing the bolt sliding block 6 and the bolt 11 from being pulled out from the wrench notch 15, the spring 10 is correspondingly sleeved on the stroke positioning pin 26, and when the back-pull unlocking wrench 5 exceeds the stroke, the stroke positioning pin 26 touches the bolt 11 to realize stroke positioning.

For the convenience of spring seat installation, spring seat 9 both sides correspond and be equipped with back-off 8, the both sides of spring seat fixed slot 22 correspond and be equipped with the catching groove with back-off 8 matched with, spring seat 9 is fixed on spring seat fixed slot 22 through back-off (8) and catching groove cooperation.

In order to facilitate operation and use, the box cover fixing seat 2 is provided with an arc-shaped notch which is convenient for the handle part of the unlocking wrench 5 to be pulled upwards.

In order to ensure the safety of the transportation of the goods, a seal sticking area 28 for sticking a seal is arranged on a plane formed between the box cover fixing seat 2 and the unlocking wrench 5 when the lock tongue 11 is locked with the lock hole 21. When the single seal strip is pasted on the seal strip pasting area 28, the seal strip can be used for logistics and express delivery, the single seal strip is a seal strip of a packing box, the opening is regarded as opening, and the single seal strip can further improve the reliability of connection of the unlocking wrench 5 and the box cover fixing seat 2, so that the commodity safety in the transportation process is ensured.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.

Claims

1. The utility model provides a turnover case locking device, is including fixing case lid latched device on case lid (1), fixing the box latched device on box (3), characterized by: the box cover locking mechanism comprises a box cover fixing seat (2), an unlocking wrench (5), a bolt sliding block (6), a bolt (11), a spring seat (9) and a spring (10), wherein a wrench notch (15) matched with the unlocking wrench (5), a sliding block sliding groove (25) and a bolt sliding groove (23) corresponding to the bolt sliding block (6) and the bolt (11) and a spring seat fixing groove (22) matched with the spring seat (9) are correspondingly arranged on the box cover fixing seat (2), a spring seat notch (7) matched with the spring seat (9) and a bolt limiting notch (17) matched with the bolt (11) are arranged on the bolt sliding block (6), the unlocking wrench (5) is arranged on the wrench notch (15) and is provided with a rotating arm (12), the bolt (6) is slidably arranged on the sliding block sliding groove (25), the bolt (11) is slidably arranged on the bolt sliding groove (23), a rotating arm (12) of the unlocking wrench (5) is hinged on a lock tongue sliding block (6) in an elastic resetting manner, a lock tongue limiting piece (18) on a lock tongue (11) is slidably arranged on the lock tongue sliding block (6) and matched with a lock tongue limiting notch (17) through a positioning block on the lock tongue limiting piece (18) to stretch and limit the lock tongue (11), a spring seat (9) is fixed on a spring seat fixing groove (22) and extends into the spring seat notch (7), and a spring (10) is arranged between the spring seat (9) and the lock tongue (11); when the unlocking wrench (5) is pulled upwards, the unlocking wrench (5) overcomes the elasticity of the spring (10) and then uses the groove wall of the wrench notch (15) as a rotating support to drive the rotating arm (12) to rotate and slide downwards along the groove wall, and the rotating arm (12) pulls the lock tongue (11) through the lock tongue sliding block (6), so that the lock tongue (11) is separated from the lock hole (21) of the box body lock catch mechanism to realize unlocking.

2. The container locking device of claim 1, wherein: case lid fixing base (2) on be equipped with one location locked groove (24) at least, box latched device includes box fixing base (4), be equipped with on box fixing base (4) with location locked groove (24) complex location spring bolt (20), be equipped with on the location spring bolt (20) in the middle with spring bolt (11) complex lockhole (21).

3. The lock device for the turnover box according to claim 1 or 2, characterized in that: the spring holder on be equipped with and prevent spring bolt slider (6) and spring bolt (11) from the stroke locating pin (26) that spanner notch (15) pulled out, spring (10) correspond cup joints on stroke locating pin (26), when pull-back unblank spanner (5) surpassed the stroke, stroke locating pin (26) touch spring bolt (11) realize the stroke location.

4. A lock as claimed in claim 3, wherein: spring holder (9) both sides correspond and be equipped with back-off (8), the both sides of spring holder fixed slot (22) correspond and be equipped with back-off (8) matched with catching groove, spring holder (9) are fixed on spring holder fixed slot (22) through back-off (8) and catching groove cooperation.

5. An epicyclic box latching device according to claim 4, wherein: the box cover fixing seat (2) is provided with an arc-shaped notch which is convenient for the handle part of the unlocking wrench (5) to be pulled upwards.

6. The transfer case latching device of claim 5, wherein: and a seal sticking area (28) for sticking a seal is arranged on a plane formed between the box cover fixing seat (2) and the unlocking wrench (5) when the lock tongue (11) and the lock hole (21) are locked.