CN214278964U

CN214278964U - Contact two-dimensional code recognition device

Info

Publication number: CN214278964U
Application number: CN202120184622.XU
Authority: CN
Inventors: 孙楠; 隆忠华; 党江杰; 陈思行; 王一博; 樊吉飞
Original assignee: Shaanxi Communications Electronic Engineering Technology Co ltd
Current assignee: Shaanxi Communications Electronic Engineering Technology Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-24
Anticipated expiration: 2031-01-23

Abstract

The utility model discloses a contact two-dimensional code recognition device, including recognition device body, bracing piece and detection device, the bracing piece is close to detection device's one end and rotates and be connected with the turn round, detection device's one end and recognition device body fixed connection are kept away from to the bracing piece, the one end that the bracing piece was kept away from in the turn round is rotated and is connected with the quarter butt, the one end fixedly connected with flat board of turn round is kept away from to the quarter butt, dull and stereotyped inside is equipped with empty core chamber, the dull and stereotyped lateral wall fixedly connected with backing plate of quarter butt of keeping away from. The utility model has the advantages of, can at first contact the two-dimensional code plane through the contact piece, then adjust dull and stereotyped plane and the two-dimensional code plane is parallel, has improved the degree of accuracy that detecting head and two-dimensional code align greatly, avoids detecting head and two-dimensional code plane nonparallel and make the damage of volume detecting head, consequently, after detecting head and two-dimensional code accurately align, detecting device's testing result also can be more accurate.

Description

Contact two-dimensional code recognition device

Technical Field

The utility model relates to a two-dimensional code discernment technical field especially relates to a contact two-dimensional code recognition device.

Background

The two-dimensional code reading device is used for reading bar code information. It uses an optical device to convert the bar space information of bar code into level information, then uses special decoder to translate it into correspondent data information. The two-dimensional code reading device does not need a driver generally, and can be directly used after being connected, like a keyboard. And a contact type two-dimensional code recognition device is generally needed for the two-dimensional code with the concave-convex structure.

In the prior art, the two-dimension code and the detecting head need to be aligned when the two-dimension code of the concave-convex structure is identified, and the manual alignment accuracy is not high, so that when the detecting head detects, if the two-dimension code inclines, the detector is damaged, the accuracy of the detection result is also affected, and the accuracy of the detection result is reduced.

For this reason, we propose a contact type two-dimensional code recognition device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the detecting head is difficult to align with the two-dimensional code in the prior art and providing a contact two-dimensional code recognition device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a contact two-dimensional code recognition device comprises a recognition device body, a support rod and a detection device, wherein one end of the support rod, which is close to the detection device, is rotatably connected with a rotary head, one end of the support rod, which is far away from the detection device, is fixedly connected with the recognition device body, one end of the rotary head, which is far away from the support rod, is rotatably connected with a short rod, one end of the short rod, which is far away from the rotary head, is fixedly connected with a flat plate, a hollow chamber is arranged inside the flat plate, a backing plate is fixedly connected with the side wall of the flat plate, which is far away from the short rod, is fixedly connected with the detection device, a plurality of connecting rods are fixedly connected with the side wall of the flat plate, which is close to the backing plate, one end of each connecting rod, which is far away from the flat plate, is connected with a contact block through a telescopic spring clamp, a thin rod is fixedly connected with the side wall of each contact block, and one end of each connecting rod, which is close to the contact block, is provided with an inner groove, it is a plurality of the thin pole runs through a plurality of connecting rods respectively, every the part fixedly connected with slider, a plurality of that the thin pole stretched into the inside groove the slider respectively with a plurality of inside groove sliding connection, hollow room downside inner wall rotates and is connected with the worm, the worm runs through dull and stereotyped upper side wall, the lateral wall that hollow room is close to the backing plate rotates through the bearing and is connected with a plurality of screw thread section of thick bamboo, every screw thread section of thick bamboo lateral wall fixedly connected with and worm matching's worm wheel, every screw thread section of thick bamboo is connected with the threaded rod through the screw thread rotation, and is a plurality of the threaded rod runs through the backing plate, and is a plurality of the threaded rod is kept away from the one end of a screw thread section of thick bamboo and is connected with the detection device joint.

Preferably, it is a plurality of the thin rod runs through the flat board, hollow chamber inner wall rotates and is connected with a plurality of pivots, every the first gear of one end fixedly connected with and the second gear of hollow chamber lateral wall are kept away from to the pivot, and is a plurality of the part that the thin rod stretched into the flat board is equipped with the rack with first gear matching.

Preferably, a plurality of telescopic links of hollow chamber lateral wall fixedly connected with, every telescopic link sliding connection has a telescopic cylinder, every the one end that the telescopic cylinder is close to the telescopic link is equipped with the rack that matches with the second gear, the worm lateral wall is equipped with a plurality ofly and telescopic cylinder assorted slot.

Preferably, each threaded rod is fixedly connected with a fixed block, and a plurality of sliding grooves matched with the fixed blocks are formed in the backing plate.

Preferably, the side wall of the rotating head close to the flat plate is connected with the side wall of the flat plate in a clamping mode through a buffer spring, and one end, far away from the hollow chamber, of the worm is fixedly connected with a rotating disc.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the contact block can be used for firstly contacting the two-dimension code plane, then the plane of the flat plate is adjusted to be parallel to the two-dimension code plane, the alignment accuracy of the detecting head and the two-dimension code is greatly improved, the damage of the detecting head caused by the fact that the detecting head is not parallel to the two-dimension code plane and the detecting head is not registered is avoided, and the alignment accuracy of the detecting head and the two-dimension code is high, so that the accuracy of a detecting result can be improved;

2. only when the plane of the flat plate is parallel to the plane of the two-dimensional code, the worm can be rotated to move the detection device to the side of the two-dimensional code so as to identify the two-dimensional code, so that the detection device can be effectively protected, the detection device is ensured not to be damaged, and the accuracy of a detection result is ensured;

3. the fixed block can fix the threaded rod, makes the threaded rod can not take place to rotate, and the spout can reduce the fixed block and support the resistance between the board, reduces the fixed block and supports the wearing and tearing of board, prolongs the fixed block and supports the live time of board, and buffer spring can fix the flat board when not using detection device, can not let the flat board because self gravity rotates downwards, and the carousel can let people better rotation worm, and it is more convenient to use.

Drawings

Fig. 1 is a schematic view of a contact two-dimensional code recognition device according to the present invention;

fig. 2 is the utility model provides a contact two-dimensional code recognition device's overlook schematic structure diagram.

In the figure: the device comprises a device body 1, a supporting rod 2, a rotating head 3, a flat plate 4, a base plate 5, a detection device 6, a hollow chamber 7, a connecting rod 8, a contact block 9, a thin rod 10, a worm 11, a worm wheel 12, a threaded cylinder 13, a threaded rod 14, a first gear 15, a second gear 16 and a telescopic cylinder 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a contact two-dimensional code recognition device comprises a recognition device body 1, a support rod 2 and a detection device 6, wherein one end of the support rod 2 close to the detection device 6 is rotatably connected with a rotary head 3, one end of the support rod 2 far away from the detection device 6 is fixedly connected with the recognition device body 1, one end of the rotary head 3 far away from the support rod 2 is rotatably connected with a short rod, one end of the short rod far away from the rotary head 3 is fixedly connected with a flat plate 4, a hollow chamber 7 is arranged inside the flat plate 4, one end of the flat plate 4 far away from the short rod is fixedly connected with a backing plate 5, one end of the backing plate 5 far away from the flat plate 4 is fixedly connected with the detection device 6, a plurality of connecting rods 8 are fixedly connected with the side wall of the flat plate 4 close to the backing plate 5, one end of each connecting rod 8 far away from the flat plate 4 is connected with a contact block 9 through a telescopic spring clamp, and the side wall of each contact block 9 close to the connecting rod 8 is fixedly connected with a thin rod 10, an inner groove is formed in one end, close to the contact block 9, of each connecting rod 8, a plurality of thin rods 10 penetrate through the connecting rods 8 respectively, a sliding block is fixedly connected to the part, extending into the inner groove, of each thin rod 10, the sliding blocks are connected with the inner grooves in a sliding mode respectively, and the thin rods 10 penetrate through the flat plate 4;

the inner side wall of the hollow chamber 7 is rotatably connected with a plurality of rotating shafts, one end of each rotating shaft, which is far away from the side wall of the hollow chamber 7, is fixedly connected with a first gear 15 and a second gear 16, the part, which extends into the flat plate 4, of each thin rod 10 is provided with a rack matched with the first gear 15, the side wall of the hollow chamber 7 is fixedly connected with a plurality of telescopic rods, each telescopic rod is slidably connected with a telescopic cylinder 17, one end, which is close to each telescopic rod, of each telescopic cylinder 17 is provided with a rack matched with the second gear 16, the side wall of each worm 11 is provided with a plurality of slots matched with the telescopic cylinders 17, the inner side wall of the lower side of the hollow chamber 7 is rotatably connected with a worm 11, the side wall, which is close to the flat plate 4, of the rotating head 3 is connected with the side wall of the flat plate 4 in a clamping manner through a buffer spring, the buffer spring can fix the flat plate 4 when the detection device 6 is not used, the flat plate 4 cannot rotate downwards due to self gravity, and one end, which is far away from the hollow chamber 7, of the worm 11 is fixedly connected with a turntable, the carousel can let people better rotate worm 11, it is more convenient to use, worm 11 runs through dull and stereotyped 4 upper side wall, the lateral wall that hollow chamber 7 is close to backing plate 5 is rotated through the bearing and is connected with a plurality of screw thread section of thick bamboo 13, every screw thread section of thick bamboo 13 lateral wall fixedly connected with and worm 11 assorted worm wheel 12, every screw thread section of thick bamboo 13 is connected with threaded rod 14 through the screw thread rotation, fixedly connected with fixed block on every threaded rod 14, the fixed block can fix threaded rod 14, make threaded rod 14 can not take place to rotate, backing plate 5 inside be equipped with a plurality ofly with fixed block assorted spout, the spout can reduce the fixed block and support the resistance between the board, reduce the wearing and tearing of fixed block and support the board, the live time of extension fixed block and support the board, a plurality of threaded rod 14 run through backing plate 5, the one end that a plurality of threaded rod 14 kept away from screw thread section of thick bamboo 13 is connected with detecting device 6 joint.

When the utility model is used, the identification device body 1 can make the support rod 2 move towards the two-dimension code plane, if the two-dimension code plane inclines, the plurality of contact blocks 9 can compress the extension spring when being close to the two-dimension code plane, and the thin rod 10 can slide towards the flat plate 4, when the slide block is propped against the side wall of the inner groove, the slide block can push the connecting rod 8 to move backwards, thereby pushing the flat plate 4 to incline around the rotating piece 3, thereby the slide block which is not propped against the side wall of the inner groove can move towards the two-dimension code plane, thereby the two-dimension code plane can compress the contact blocks 9, the thin rod 10 can move until all the slide blocks are propped against all the side walls of the inner groove respectively, at the moment, the flat plate 4 plane is inclined to the plane parallel to the two-dimension code, when the plurality of thin rods 10 move backwards, the racks on the plurality of thin rods 10 respectively drive the plurality of first gears 15, the plurality of first gears 15 respectively drive the plurality of rotating shafts to rotate, the plurality of rotating shafts drive the plurality of second gears 16 to rotate, the plurality of second gears 16 drive the plurality of telescopic cylinders 17 to move, so that the plurality of telescopic cylinders 17 are moved out of the slots, when the plane of the flat plate 4 is parallel to the plane of the two-dimensional code, all the telescopic cylinders 17 are moved out of the slots, and at the moment, the worm 11 can rotate;

therefore, the detection device 6 can be moved to the side of the two-dimensional code by rotating the worm 11 to identify the two-dimensional code only when the plane of the flat plate 4 is parallel to the plane of the two-dimensional code, this effectively protects the detection means 6, ensures that the detection means 6 is not damaged, thereby ensuring the accuracy of the detection result, rotating the turntable, the turntable drives the worm 11 to rotate, the worm 11 drives the worm wheels 12 to rotate, the worm wheels 12 respectively drive the thread cylinders 13 to rotate, and the plurality of threaded rods 14 are fixed by the plurality of fixing blocks, respectively, so that the threaded rods 14 do not rotate, thereby lead to threaded rod 14 to support detection device 6 and remove, make detection device 6 be close to the two-dimensional code plane and survey, whole regulation detection device 6 does not need manual operation with the parallel process in two-dimensional code plane, and the accuracy is high, and the governing speed is fast, has improved the accuracy nature of detection result when guaranteeing that the detecting head is not fragile.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A contact two-dimensional code recognition device comprises a recognition device body (1), a support rod (2) and a detection device (6), and is characterized in that one end, close to the detection device (6), of the support rod (2) is rotatably connected with a rotary head (3), one end, far away from the detection device (6), of the support rod (2) is fixedly connected with the recognition device body (1), one end, far away from the support rod (2), of the rotary head (3) is rotatably connected with a short rod, one end, far away from the rotary head (3), of the short rod is fixedly connected with a flat plate (4), a hollow chamber (7) is arranged inside the flat plate (4), a backing plate (5) is fixedly connected with the side wall, far away from the short rod, of the flat plate (4) is fixedly connected with the detection device (6), a plurality of connecting rods (8) are fixedly connected with the side wall, near the backing plate (5), of the flat plate (4), one end, far away from the flat plate (4), of each connecting rod (8) is connected with a contact block (9) through a telescopic spring in a clamping mode, the side wall, close to the connecting rod (8), of each contact block (9) is fixedly connected with a thin rod (10), one end, close to the contact block (9), of each connecting rod (8) is provided with an inner groove, the thin rods (10) penetrate through the connecting rods (8) respectively, the part, extending into the inner groove, of each thin rod (10) is fixedly connected with a sliding block, the sliding blocks are connected with the inner grooves in a sliding mode respectively, the inner wall of the lower side of the hollow chamber (7) is connected with a worm (11) in a rotating mode, the worm (11) penetrates through the upper side wall of the flat plate (4), the side wall, close to the base plate (5), of the hollow chamber (7) is connected with a plurality of threaded cylinders (13) in a rotating mode through bearings, and the side wall of each threaded cylinder (13) is fixedly connected with a worm wheel (12) matched with the worm (11), every screw thread section of thick bamboo (13) are connected with threaded rod (14) through the screw rotation, and are a plurality of backing plate (5) are run through in threaded rod (14), and are a plurality of threaded rod (14) keep away from the one end and the detection device (6) joint of screw thread section of thick bamboo (13) and are connected.

2. The contact type two-dimensional code recognition device according to claim 1, wherein a plurality of thin rods (10) penetrate through the flat plate (4), a plurality of rotating shafts are rotatably connected to the inner side wall of the hollow chamber (7), a first gear (15) and a second gear (16) are fixedly connected to one end, far away from the side wall of the hollow chamber (7), of each rotating shaft, and racks matched with the first gear (15) are arranged on the portions, extending into the flat plate (4), of the plurality of thin rods (10).

3. The contact type two-dimensional code recognition device according to claim 1, wherein a plurality of telescopic rods are fixedly connected to the side wall of the hollow chamber (7), each telescopic rod is slidably connected with a telescopic cylinder (17), one end, close to the telescopic rod, of each telescopic cylinder (17) is provided with a rack matched with the second gear (16), and the side wall of the worm (11) is provided with a plurality of slots matched with the telescopic cylinders (17).

4. The contact type two-dimensional code recognition device according to claim 1, wherein each threaded rod (14) is fixedly connected with a fixed block, and the inside of the backing plate (5) is provided with a plurality of sliding grooves matched with the fixed blocks.

5. The contact type two-dimensional code recognition device according to claim 1, wherein the side wall of the rotary head (3) close to the flat plate (4) is connected with the side wall of the flat plate (4) in a clamping manner through a buffer spring, and a rotary disc is fixedly connected to one end, far away from the hollow chamber (7), of the worm (11).