Combined structure of novel RFID reader-writer
By using an upper and lower template combined structure to encapsulate the RFID reader circuit board, the problem of short circuit corrosion in humid environments is solved, achieving improved waterproofing and uniqueness, reducing costs and increasing service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-07
AI Technical Summary
Existing RFID readers are prone to absorbing moisture in humid environments, which can lead to short circuits, corrosion, and affect normal operation and stability, and may even cause damage.
The device employs an upper and lower template combination structure, encapsulates the reader circuit board through injection holes, and combines a limiting eraser and anti-slip groove design to achieve circuit board fixation and allow for the removal and replacement of unique patterned printed sheets, enhancing waterproofness and uniqueness.
It improves the waterproofness and lifespan of RFID readers, reduces mold costs, and enhances the applicability and uniqueness of the products.
Smart Images

Figure CN224096212U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reader and writer technical field, concretely is a combination structure of novel RFID reader and writer. BACKGROUND
[0002] The mainstream RFID card reader widely circulated in the market at present, the selection of shell material mostly inclines to use plastic or ABS material. Although the two kinds of materials have the advantages such as low cost, easy processing and forming, appearance design is various and light in a certain extent, but from the actual use environment angle, the shell of plastic and ABS material is relatively weak in the face of humid environment, is easy to absorb the moisture in the air, and then leads to the phenomenon of shell damp, once meets the water intake condition, such as when being drenched by rain in rainy day outdoor use, or water vapor condensation on internal circuit element in relatively humid indoor environment for a long time, it is very likely to cause the internal circuit short circuit, corrosion and other problems of card reader, thereby affecting its normal work, reducing the accuracy and stability of card reading, serious time even possibly directly leads to equipment damage and scrapping, brings many inconvenience and loss to normal use of user, therefore needs a combination structure of novel RFID reader and writer to satisfy people's demand. SUMMARY
[0003] The utility model discloses a combination structure of novel RFID reader and writer, which solves the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a combination structure of novel RFID reader and writer, including upper die plate and lower die plate, one end of the upper die plate and the lower die plate is provided with glue injection hole, the upper die plate is installed with reader and writer circuit board, the upper die plate and the lower die plate are provided with installation groove, one end of the lower die plate is provided with clamping groove, one end of the upper die plate is installed with the clamping strip of clamping groove adaptation, the side surface of the upper die plate and the lower die plate is installed with extension plate.
[0005] Preferably, the upper die plate and the lower die plate are provided with a limiting wiper at one end, and a plurality of anti-skid grooves are formed on the inner wall of the upper die plate and the lower die plate.
[0006] Preferably, the limiting wiper is slidably installed with a printed patch at one end, and the printed patch is installed with a pull tab at one end.
[0007] Preferably, the side surface of the reader and writer circuit board is clamped and fixed through the installation groove between the upper die plate and the lower die plate.
[0008] Preferably, the printed patch is provided with a glue injection hole at the side surface, and the printed patch is adapted to the inner wall of the upper die plate.
[0009] Preferably, one end of the upper die plate and the lower die plate is clamped and installed through the clamping groove and the clamping strip.
[0010] Preferably, the side surface of the upper die plate and the lower die plate is provided with a mounting port matched with the read-write circuit board.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] (1) the utility model discloses a lower die plate and glue injection hole are set to place the side surface of read-write circuit board on the mounting groove in the upper die plate, the clamping strip on the upper die plate and the clamping groove on the lower die plate are mutually extruded and installed, the side surface of read-write circuit board is fixed through the mounting groove in the upper die plate and the lower die plate, one side of read-write circuit board is packaged through the glue dropping hole on the upper die plate, and the other side of read-write circuit board is packaged through the glue dropping hole on the lower die plate.
[0013] (2) the utility model discloses a limiting wiper and anti -skid groove are set to insert the printing piece along the recess through one end of limiting wiper, and the printing piece is fixed after being completely inserted through the mutual friction of one side of printing piece and anti -skid groove, and the recess of required pattern can be formed on the other end of printing piece, and the required pattern is formed on the packaging glue on read-write circuit board through the recess when dropping glue, the uniqueness of product is achieved, different printing pieces can be made through detachable design, the applicability of the upper die plate is improved. ACCURACY OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the combined structure of the novel RFID read-write device proposed in the utility model;
[0015] Figure 2 It is a three-dimensional structure schematic view of the combined structure of the novel RFID read-write device proposed in the utility model from another angle;
[0016] Figure 3 It is an internal expansion structure schematic view of the combined structure of the novel RFID read-write device proposed in the utility model;
[0017] Figure 4 It is a structure schematic view of the printing piece and the pull piece of the combined structure of the novel RFID read-write device proposed in the utility model;
[0018] Figure 5 It is Figure 3 the enlarged view of A.
[0019] In the figure: 1, the upper die plate; 2, the lower die plate; 3, the glue injection hole; 4, the read-write circuit board; 5, the mounting groove; 6, the clamping groove; 7, the clamping strip; 8, the extension plate; 9, the limiting wiper; 10, the anti-skid groove; 11, the printing piece; 12, the pull tab. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] Embodiment 1: please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of combined structure of novel RFID read-write device, including upper die plate 1 and lower die plate 2, upper die plate 1 and lower die plate 2 one end are all set with glue injection hole 3, read-write circuit board 4 is installed in upper die plate 1, upper die plate 1 and lower die plate 2 are set with mounting groove 5 in, the one end of lower die plate 2 is set with clamping groove 6, the one end of upper die plate 1 is installed with the clamping strip 7 of clamping groove 6 adaptation, the side of upper die plate 1 and lower die plate 2 is all installed with extension plate 8, the one end of upper die plate 1 and lower die plate 2 is all set with limiting wiper 9, the inner wall of upper die plate 1 and lower die plate 2 is set with multiple anti-skid grooves 10, the side of read-write circuit board 4 is fixed by mounting groove 5 between upper die plate 1 and lower die plate 2 clamping, the one end of upper die plate 1 and lower die plate 2 is installed by clamping groove 6 and clamping strip 7 clamping, the side of upper die plate 1 and lower die plate 2 is set with the installation port of read-write circuit board 4 adaptation, when needing to package read-write circuit board 4, read-write circuit board 4 needs to be placed in mounting groove 5, read-write circuit board 4 is installed limiting by mounting groove 5 between upper die plate 1 and lower die plate 2, clamping strip 7 on upper die plate 1 is installed in clamping groove 6 on lower die plate 2 clamping fixed, read-write circuit board 4 is installed in mounting groove 5 fixed at this time, glue is dropped at the glue injection hole 3 of the one end of upper die plate 1, one side of read-write circuit board 4 is packaged, glue covers the side of read-write circuit board 4 and solidifies, then glue is dropped at the glue injection hole 3 of lower die plate 2, the other side of read-write circuit board 4 is packaged, when glue is completely solidified and fixed, the extension plate 8 of the side of upper die plate 1 and lower die plate 2 is opened by pulling, read-write circuit board 4 packaged is taken out, read-write circuit board 4 is surrounded by dropping glue around, save the cost of mould, also can let product not easy to water, not easy to damp, improve the service life and applicability of product.
[0022] Embodiment 2: as Figure 2 And 4As shown, one end of the limiting wiper 9 is slidingly installed with a printing sheet 11, one end of the printing sheet 11 is installed with a pull sheet 12, the side surface of the printing sheet 11 is provided with a glue injection hole 3, the printing sheet 11 is matched with the inner wall of the upper mold plate 1, when glue is dropped, the printing sheet 11 is installed into the upper mold plate 1 and the lower mold plate 2 from one end of the limiting wiper 9, the side surface of the printing sheet 11 is in close friction with the anti-skid groove 10, after the printing sheet 11 is completely installed, it plays a simple limiting role on the printing sheet 11, so that it cannot slide off, some unique pattern grooves can be provided on the side of the printing sheet 11 adjacent to the reader circuit board 4, or a sandwich pattern is installed, the required pattern is formed after the glue is dropped, the uniqueness of the product is embodied, the printing sheet 11 can be pulled out and replaced through the pull sheet 12, it is convenient for the operator to select different printing sheets 11 for use according to the needs, and the remaining features are the same as those of example 1.
[0023] When the reader circuit board 4 needs to be packaged, the reader circuit board 4 needs to be placed in the installation groove 5, the reader circuit board 4 is installed and limited between the upper mold plate 1 and the lower mold plate 2, the clamping strip 7 on the upper mold plate 1 is clamped and fixed in the clamping groove 6 on the lower mold plate 2, at this time, the reader circuit board 4 is installed and fixed in the installation groove 5, glue is dropped at the glue injection hole 3 at one end of the upper mold plate 1, one side of the reader circuit board 4 is packaged, the glue covers the side surface of the reader circuit board 4 and solidifies, then glue is dropped at the glue injection hole 3 of the lower mold plate 2, the other side of the reader circuit board 4 is packaged, when the glue completely solidifies and fixes, the extension plate 8 on the side of the upper mold plate 1 and the lower mold plate 2 is pulled to open, the packaged reader circuit board 4 is taken out, when glue is dropped, the printing sheet 11 is installed into the upper mold plate 1 and the lower mold plate 2 from one end of the limiting wiper 9, the side surface of the printing sheet 11 is in close friction with the anti-skid groove 10, after the printing sheet 11 is completely installed, it plays a simple limiting role on the printing sheet 11, so that it cannot slide off, some unique pattern grooves can be provided on the side of the printing sheet 11 adjacent to the reader circuit board 4, or a sandwich pattern is installed, the required pattern is formed after the glue is dropped, the uniqueness of the product is embodied, the printing sheet 11 can be pulled out and replaced through the pull sheet 12, it is convenient for the operator to select different printing sheets 11 for use according to the needs, the reader circuit board 4 is surrounded by glue, the mold cost is saved, the product is not easy to enter water and is not easy to be damp, and the service life and applicability of the product are improved.
[0024] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A novel RFID reader / writer assembly structure, comprising an upper template (1) and a lower template (2), characterized in that: Both the upper template (1) and the lower template (2) have glue injection holes (3) at one end. The upper template (1) is equipped with a reader circuit board (4). The upper template (1) and the lower template (2) have mounting grooves (5). One end of the lower template (2) has a snap-fit groove (6). One end of the upper template (1) is equipped with a snap-fit strip (7) that matches the snap-fit groove (6). Both the upper template (1) and the lower template (2) have extension plates (8) installed on their sides.
2. The combined structure of a novel RFID reader / writer according to claim 1, characterized in that: Limiting grooves (9) are provided at one end of the upper template (1) and the lower template (2), and multiple anti-slip grooves (10) are provided on the inner walls of the upper template (1) and the lower template (2).
3. The combined structure of a novel RFID reader / writer according to claim 2, characterized in that: A printing sheet (11) is slidably mounted on one end of the limiting eraser (9), and a pull tab (12) is mounted on one end of the printing sheet (11).
4. The combined structure of a novel RFID reader / writer according to claim 1, characterized in that: The side of the reader circuit board (4) is fixed by a mounting groove (5) between the upper template (1) and the lower template (2).
5. The combined structure of a novel RFID reader / writer according to claim 3, characterized in that: The side of the printed sheet (11) is provided with a glue injection hole (3), and the printed sheet (11) is adapted to the inner wall of the upper template (1).
6. The combined structure of a novel RFID reader / writer according to claim 1, characterized in that: One end of the upper template (1) and the lower template (2) are snapped together by a snap-fit groove (6) and a snap-fit strip (7).
7. The combined structure of a novel RFID reader / writer according to claim 1, characterized in that: The upper template (1) and the lower template (2) have mounting openings on their sides that are compatible with the reader circuit board (4).