CN110309685B

CN110309685B - Bar code scanning engine with anti-falling function

Info

Publication number: CN110309685B
Application number: CN201910533246.8A
Authority: CN
Inventors: 陈国信
Original assignee: Lingzhen Wuyi Information Technology Jiangsu Co ltd
Current assignee: Lingzhen Wuyi Information Technology Jiangsu Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2022-11-01
Anticipated expiration: 2039-06-19
Also published as: CN110309685A

Abstract

The invention relates to the technical field of bar code scanners and discloses a bar code scanning engine with an anti-falling function, which comprises a protection box and a scanning module arranged in the protection box, wherein a mounting plate is transversely arranged in the protection box, sleeves are fixedly connected to the left side and the right side of a shell of the scanning module, fixing mechanisms are connected in the two sleeves, the sleeves are connected with the upper end of the mounting plate through the fixing mechanisms, supporting mechanisms are connected to the left side and the right side of the lower end of the mounting plate, the two supporting mechanisms are respectively connected with the inner walls of the left side and the right side of the lower end of the protection box, rectangular through holes transversely penetrate through the centers of the left side and the right side of the mounting plate, and buffering mechanisms are connected in the rectangular through holes. This possess and prevent falling bar code scanning engine of function can effectually carry out the shock attenuation to bar code scanning engine's vertical vibration power, has increased bar code scanning engine's anti falling performance. The transverse vibration force of the bar code scanning engine can be buffered, and the damage to the bar code scanning engine is effectively reduced.

Description

Bar code scanning engine with anti-falling function

Technical Field

The invention relates to the technical field of bar code scanners, in particular to a bar code scanning engine with an anti-falling function.

Background

The bar code scanning engine is also called a bar code scanning module and a bar code scanning module, is a core identification component widely applied to the field of automatic identification, is one of key parts for carrying out secondary development on a bar code scanner, has complete and independent bar code scanning and decoding functions, can be written into various industry application function programs according to requirements, has small volume and high integration level, and can be divided into a one-dimensional code module and a two-dimensional code module according to scanning similarity and a laser module and a red light module according to a light source. For example, a common supermarket often uses a gun-type laser scanning module, and the scanning engine has moderate price, high scanning speed, high accuracy and a plurality of platform laser scanners with higher price.

Among the prior art, the bar code scan engine, not only can fix when using and use on the desktop, but also can hand and carry out the commodity bar code of sweeping, high durability and convenient use, be convenient for maintain, but place after the scanning is accomplished and make the bar code scan engine take place the vibration easily when the desktop, can damage its inside electrical components when the vibration is violent, it is less to receive silver-colored desktop moreover, accumulational commodity crowds the bar code scan engine off easily, cause bar code scan engine inside laser module or ruddiness module to damage, the influence normally receives silver and uses.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a barcode scanning engine with an anti-falling function, which has the advantages of strong anti-falling capability, and the laser module or the red light module is not easy to damage when falling, and the heat dissipation capability is strong, so that the problems that the barcode scanning engine is easy to vibrate when the barcode scanning engine is placed on a desktop, internal electrical elements can be damaged when the vibration is severe, the cashier desktop is small, the barcode scanning engine is easy to extrude by piled commodities, the laser module or the red light module in the barcode scanning engine is damaged, and the normal cashier use is influenced are solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a possesses bar code scan engine who prevents falling function, includes guard box and the scanning module of setting in the guard box, transversely be equipped with the mounting panel in the guard box, the equal fixed sleeve pipe that even has, two of scanning module's the casing left and right sides all be connected with fixed establishment in the sleeve pipe, the sleeve pipe passes through fixed establishment and is connected with the upper end of mounting panel, the lower extreme left and right sides of mounting panel all is connected with supporting mechanism, two supporting mechanism respectively with the lower extreme left and right sides wall connection of guard box, the rectangle through-hole has been seted up to horizontal running through in the center department of the left and right sides of mounting panel, the rectangle through-hole in-connection has buffer gear, buffer gear and the left and right sides wall connection of guard box, the rectangle opening has been seted up in the left side of guard box, fixedly connected with level crossing in the rectangle opening.

Preferably, fixed establishment is including fixing the annular piece on edge in the sleeve pipe upper end opening part, the first spring of upside fixedly connected with of annular piece, the one end fixedly connected with bush of annular piece is kept away from to first spring, the flexure strip of the even a plurality of arc structures of fixedly connected with of lateral wall of bush, the bolt has been cup jointed in the cover intraductal activity, the lateral wall fixedly connected with annular stopper of bolt, the downside of annular stopper is connected with the upper end opening edge department contact of bush, threaded hole is seted up to the upside of mounting panel, the one end of bolt from last to passing bush, first spring and annular piece down in proper order and with screw hole threaded connection.

Preferably, a plurality of bar grooves have been seted up to sheathed tube inner wall, and is a plurality of one side of flexure strip extends to a plurality of bar inslots respectively, one side of flexure strip is connected with one side contact in bar groove.

Preferably, the supporting mechanism is including fixing the fixed block at the mounting panel lower extreme, the left and right sides of fixed block all rotates through the pivot and is connected with the transfer line, two the transfer line is the splayed and distributes, two the one end that the fixed block was kept away from to the transfer line all is connected with T type slider through the rotation of rotation axis, T type spout has been seted up to the lower extreme inner wall of guard box, T type slider and T type spout sliding connection, transversely be equipped with tension spring in the guard box, tension spring's both ends respectively with the pole wall fixed connection of two transfer lines.

Preferably, buffer gear cup joints the rectangle pole in the rectangle through-hole including sliding, the equal fixedly connected with rectangular block in both ends about the rectangle pole, the rectangular channel has all been seted up, two to both ends downside inner wall about the guard box the rectangular channel respectively with two rectangular block sliding connection, the equal fixedly connected with second spring in both sides about the mounting panel, two the second spring all cup joints with the pole wall activity of rectangle pole, the one end of mounting panel and one side fixed connection of rectangular block are kept away from to the second spring.

Preferably, a guide hole is formed between the upper side and the lower side of the rectangular block in a penetrating mode, a guide rod is sleeved in the guide hole in a sliding mode, and the upper end and the lower end of the guide rod are fixedly connected with the upper side and the lower side of the rectangular groove respectively.

Preferably, the rod wall of the rectangular rod is fixedly connected with two limiting sliding blocks which are symmetrically distributed, one side of the rectangular through hole is provided with two limiting sliding grooves, and the two limiting sliding grooves are respectively matched with the two limiting sliding blocks.

Preferably, the gas vent has been seted up on the right side of guard box, along fixedly connected with protection network in the right side opening part of gas vent, the left side fixedly connected with dust screen of protection network, the edge and the gas vent fixed connection of dust screen.

Preferably, the four corners of the lower end of the protection box are fixedly connected with rubber pads.

(III) advantageous effects

Compared with the prior art, the invention provides a bar code scanning engine with an anti-falling function, which has the following beneficial effects:

1. this possesses bar code scan engine who prevents falling function, through the guard box that is equipped with, when the outside guard box of scan engine takes place the vibration, the weight extrusion mounting panel of scanning module removes, the mounting panel atress removes the extrusion fixed block, the fixed block atress drives the transfer line and removes, the transfer line removes and drives T type slider and slide in T type spout, simultaneously tension spring atress warp, thereby can carry out the shock attenuation to bar code scan engine, when the mounting panel receives horizontal vibrational force, the mounting panel slides on the rectangular rod, the mounting panel slides and extrudes the shrink of second spring atress, thereby can cushion bar code scan engine.

2. This possesses bar code scan engine who prevents falling function, bolt through being equipped with, the bolt passes the intraductal bush of cover in proper order, first spring and annular piece and with screw hole threaded connection, tighten the bolt with the spanner, the bolt makes annular stopper extrusion bush with screw hole interact, the shrink of the first spring of bush atress extrusion, when the sleeve pipe takes place to rock simultaneously, the flexure strip can promote bush and bolt and reset, and then realize forming flexonics between scan module and the mounting panel, the effectual probability that bar code scan engine was broken that has reduced.

Drawings

Fig. 1 is a schematic structural diagram of a barcode scanning engine with an anti-falling function according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a barcode scanning engine with a drop-resistant function shown in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion of a bar code scan engine with a crash-proof function shown in FIG. 1;

fig. 4 is an enlarged view of a portion of a barcode scanning engine with a drop-resistant function shown in fig. 1, which is shown in fig. 1.

In the figure: the device comprises a protection box 1, a scanning module 2, a plane mirror 3, a sleeve 4, a rectangular groove 5, a rectangular block 6, a guide rod 7, an installation plate 8, a rectangular rod 9, a dustproof net 10, a protective net 11, a rubber pad 12, a rectangular through hole 13, a strip-shaped groove 14, an annular block 15, a bolt 16, a first spring 17, an elastic sheet 18, a bushing 19, an annular limiting block 20, a transmission rod 21, a fixed block 22, a limiting sliding groove 23, a limiting sliding block 24, a sliding block 25T, a sliding groove 26T, a tension spring 27 and a second spring 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-4, a bar code scanning engine with anti-falling function, including guard box 1 and scanning module 2 set up in guard box 1, transversely be equipped with mounting panel 8 in guard box 1, scanning module 2's the equal fixed sleeve 4 that has even in the casing left and right sides, all be connected with fixed establishment in two sleeve 4, sleeve 4 passes through fixed establishment and is connected with the upper end of mounting panel 8, mounting panel 8's the lower extreme left and right sides all is connected with supporting mechanism, two supporting mechanism respectively with guard box 1's the lower extreme left and right sides wall connection, mounting panel 8's the left and right sides center department transversely runs through and has seted up rectangle through-hole 13, buffer mechanism is connected to the rectangle through-hole 13, buffer mechanism and guard box 1's the left and right sides wall connection, buffer mechanism includes the rectangle pole 9 of slip cup joint in rectangle through-hole 13, the equal fixedly connected with rectangular block 6 in both ends about guard box 1, rectangular block 5 has all seted up rectangular groove 5, two rectangular block 6 sliding connection respectively with two rectangular block 6, the left and right sides of mounting panel 8 all fixedly connected with second spring 28, two movable sleeve joints with the movable sleeve connect with the movable sleeve of rectangle pole 9, the fixed connection of guide bar, the left and lower fixed connection of guide bar 7 and the fixed connection of guide bar in the guide box opening, the left side of guide bar 7 is seted up and fixed connection of guide bar, the upper and lower fixed connection of guide bar opening is connected with rectangular block 7, the guide bar in the guide bar opening respectively, the guide bar 7.

The fixing mechanism comprises an annular block 15 fixed on the inner edge of an opening at the upper end of the sleeve 4, a first spring 17 is fixedly connected to the upper side of the annular block 15, a bushing 19 is fixedly connected to one end, far away from the annular block 15, of the first spring 17, a plurality of elastic sheets 18 of arc structures are uniformly and fixedly connected to the side wall of the bushing 19, a bolt 16 is movably sleeved in the sleeve 4, an annular limiting block 20 is fixedly connected to the side wall of the bolt 16, the lower side of the annular limiting block 20 is in contact connection with the opening edge at the upper end of the bushing 19, a threaded hole is formed in the upper side of the mounting plate 8, one end of the bolt 16 sequentially penetrates through the bushing 19, the first spring 17 and the annular block 15 from top to bottom and is in threaded connection with the threaded hole, a plurality of strip-shaped grooves 14 are formed in the inner wall of the sleeve 4, one sides of the plurality of the elastic sheets 18 respectively extend into the plurality of strip-shaped grooves 14, and one side of the elastic sheets 18 is in contact connection with one side of the strip-shaped grooves 14, the supporting mechanism comprises a fixed block 22 fixed at the lower end of the mounting plate 8, the left side and the right side of the fixed block 22 are both rotatably connected with transmission rods 21 through rotating shafts, the two transmission rods 21 are distributed in a splayed shape, one ends of the two transmission rods 21 far away from the fixed block 22 are both rotatably connected with T-shaped sliding blocks 25 through rotating shafts, the inner wall of the lower end of the protection box 1 is provided with T-shaped sliding grooves 26, the T-shaped sliding blocks 25 are slidably connected with the T-shaped sliding grooves 26, tension springs 27 are transversely arranged in the protection box 1, two ends of the tension springs 27 are respectively and fixedly connected with the rod walls of the two transmission rods 21, two symmetrically distributed limiting sliding blocks 24 are fixedly connected on the rod wall of the rectangular rod 9, one side of the rectangular through hole 13 is provided with two limiting sliding grooves 23, the two limiting sliding grooves 23 are respectively matched with the two limiting sliding blocks 24, the right side of the protection box 1 is provided with an exhaust port, and a protective net 11 is fixedly connected at the inner edge of the right opening of the exhaust port, the left side fixedly connected with dust screen 10 of protection network 11, the edge and the gas vent fixed connection of dust screen 10, the equal fixedly connected with rubber pad 12 of lower extreme four corners department of guard box 1.

In summary, according to the barcode scanning engine with the anti-falling function, when the protection box 1 outside the scanning engine vibrates, the weight of the scanning module 2 presses the mounting plate 8 to move, the mounting plate 8 is forced to move to press the fixing block 22, the fixing block 22 is forced to drive the transmission rod 21 to move, the transmission rod 21 moves to drive the T-shaped slider 25 to slide in the T-shaped chute 26, and meanwhile, the tension spring 27 is forced to deform, so that the barcode scanning engine can be damped, when the mounting plate 8 is subjected to a transverse vibration force, the mounting plate 8 slides on the rectangular rod 9, the mounting plate 8 slides to press the second spring 28 to contract, so that the barcode scanning engine can be damped, the bolt 16 sequentially penetrates through the bushing 19, the first spring 17 and the annular block 15 in the sleeve 4 and is in threaded connection with the threaded hole, the bolt 16 is tightened by a wrench, the annular limiting block 20 is forced to press the bushing 19 by the bushing 19 to contract by the bolt 16 under the interaction between the bolt 16 and the threaded hole, and the sleeve 4 shakes, the elastic sheet 18 can push the bushing 19 and the bolt 16 to reset, so that a flexible connection between the scanning module 2 and the mounting plate 8 is formed, and the probability of the barcode scanning engine is effectively reduced.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a possess bar code scan engine who prevents falling function, includes guard box (1) and scanning module (2) of setting in guard box (1), its characterized in that: the protective box is characterized in that a mounting plate (8) is transversely arranged in the protective box (1), the left side and the right side of a shell of the scanning module (2) are fixedly connected with sleeves (4), two sleeves (4) are internally connected with fixing mechanisms, the sleeves (4) are connected with the upper end of the mounting plate (8) through the fixing mechanisms, the left side and the right side of the lower end of the mounting plate (8) are respectively connected with supporting mechanisms, the two supporting mechanisms are respectively connected with the inner walls of the left side and the right side of the lower end of the protective box (1), the centers of the left side and the right side of the mounting plate (8) transversely penetrate through rectangular through holes (13), the rectangular through holes (13) are internally connected with buffering mechanisms, the buffering mechanisms are connected with the inner walls of the left side and the right side of the protective box (1), a rectangular opening is formed in the left side of the protective box (1), and a plane mirror (3) is fixedly connected in the rectangular opening; the fixing mechanism comprises an annular block (15) fixed on the inner edge of an opening at the upper end of the sleeve (4), a first spring (17) is fixedly connected to the upper side of the annular block (15), a bushing (19) is fixedly connected to one end, far away from the annular block (15), of the first spring (17), elastic sheets (18) of a plurality of arc-shaped structures are uniformly and fixedly connected to the side wall of the bushing (19), a bolt (16) is movably sleeved in the sleeve (4), an annular limiting block (20) is fixedly connected to the side wall of the bolt (16), the lower side of the annular limiting block (20) is in contact connection with the edge of the opening at the upper end of the bushing (19), a threaded hole is formed in the upper side of the mounting plate (8), and one end of the bolt (16) sequentially penetrates through the bushing (19), the first spring (17) and the annular block (15) from top to bottom and is in threaded connection with the threaded hole; the supporting mechanism comprises a fixing block (22) fixed to the lower end of the mounting plate (8), the left side and the right side of the fixing block (22) are rotatably connected with transmission rods (21) through rotating shafts, the two transmission rods (21) are distributed in a splayed shape, one ends, far away from the fixing block (22), of the two transmission rods (21) are respectively connected with a T-shaped sliding block (25) through rotation of a rotating shaft, a T-shaped sliding groove (26) is formed in the inner wall of the lower end of the protection box (1), the T-shaped sliding blocks (25) are connected with the T-shaped sliding grooves (26) in a sliding mode, a tension spring (27) is transversely arranged in the protection box (1), and two ends of the tension spring (27) are respectively and fixedly connected with rod walls of the two transmission rods (21); buffer gear cup joints rectangle pole (9) in rectangle through-hole (13) including sliding, the equal fixedly connected with rectangular block (6) in both ends about rectangle pole (9), rectangular channel (5), two have all been seted up to both ends downside inner wall about guard box (1) rectangular channel (5) respectively with two rectangular block (6) sliding connection, the equal fixedly connected with second spring (28) in the left and right sides of mounting panel (8), two second spring (28) all cup joints with the pole wall activity of rectangle pole (9), one end that mounting panel (8) were kept away from in second spring (28) and one side fixed connection of rectangular block (6).

2. The barcode scanning engine with anti-falling function according to claim 1, wherein: a plurality of bar grooves (14) have been seted up to the inner wall of sleeve pipe (4), and is a plurality of one side of flexure strip (18) extends respectively to a plurality of bar grooves (14) in, one side of flexure strip (18) is connected with the one side contact of bar groove (14).

3. The barcode scanning engine with anti-falling function according to claim 1, wherein: the guide holes are formed in the upper side and the lower side of the rectangular block (6) in a penetrating mode, the guide rods (7) are sleeved in the guide holes in a sliding mode, and the upper ends and the lower ends of the guide rods (7) are fixedly connected with the upper side and the lower side of the rectangular groove (5) respectively.

4. The barcode scanning engine with anti-falling function according to claim 1, wherein: two limiting sliding blocks (24) which are symmetrically distributed are fixedly connected to the rod wall of the rectangular rod (9), two limiting sliding grooves (23) are formed in one side of the rectangular through hole (13), and the two limiting sliding grooves (23) are matched with the two limiting sliding blocks (24) respectively.

5. The barcode scanning engine with anti-falling function according to claim 1, wherein: the right side of guard box (1) has seted up the gas vent, along fixedly connected with protection network (11) in the right side opening part of gas vent, left side fixedly connected with dust screen (10) of protection network (11), the edge and the gas vent fixed connection of dust screen (10).

6. The barcode scanning engine with anti-falling function according to claim 1, wherein: the lower end four corners of the protection box (1) are fixedly connected with rubber pads (12).