Foldable flexible RFID reader-writer antenna

Abstract

The utility model relates to the technical field of foldable flexible antennas, and discloses a foldable flexible RFID reader-writer antenna, which comprises a main body, the outer wall of the main body is in threaded connection with a connecting seat, the outer wall of the connecting seat is rotatably connected with a mounting seat, the top surface of the mounting seat is fixedly connected with a shell, the inner wall of the shell is rotatably connected with a central shaft, and the central shaft is fixedly connected with the outer wall of the main body. The top surface of the central shaft penetrates through the top of the shell and is fixedly connected with a knob, a flexible antenna is wound on the outer wall of the central shaft, one end of the flexible antenna is fixedly connected with a structural column, an opening is formed in the outer wall of the shell, a plurality of cooling fins are arranged on the outer wall of the main body, and an indicator lamp is arranged on the outer wall of the rear side of the main body. According to the utility model, the flexible antenna is unfolded by pulling the pull ring, the multi-layer structure and the large area of the flexible antenna are beneficial to signal reception, the housing protects the antenna from being damaged, and when the antenna is stored, the rotary knob is rotated to enable the antenna to be wound on the central shaft, so that the antenna is convenient to carry and install.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foldable flexible antenna, especially foldable flexible RFID reader antenna. BACKGROUND

[0002] In the vigorous development of the Internet of Things, RFID as a key sensing technology, the application field expands, RFID reader antenna is the core component of RFID system, plays a vital role, can convert the guided wave on the transmission line into electromagnetic wave in free space, thereby realizing the signal transmission between the reader and the electronic tag, with the growth of the demand of society to the miniaturization, portability and application scene diversification of equipment, the present RFID reader antenna cannot meet the growing demand.

[0003] The early RFID reader antenna is fixed, the volume is relatively large and the shape is fixed, the installation position is relatively limited, the antenna is installed at a specific position, and is used for identifying the tag passing through the radiation range thereof, with the development of technology, handheld RFID reader antenna appears, which improves the flexibility of use to a certain extent and can be used for logistics inventory, retail commodity inspection work, however, the existing RFID reader antenna still has many shortcomings, the traditional rigid antenna is difficult to adapt to complex and special installation environment, cannot be effectively deployed in the space limited scene, and the non-foldable characteristic leads to inconvenient carrying, in the scene needing mobile operation, the burden of the staff is increased. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides foldable flexible RFID reader antenna, aims at improving the problems that the traditional rigid antenna in prior art is difficult to effectively deploy, inconvenient to carry, and increases the burden of staff in the scene needing mobile operation.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: foldable flexible RFID reader antenna, including main part, the outer wall of main part is connected with connecting seat, the outer wall of connecting seat is rotatably connected with mounting seat, the top surface of mounting seat is fixedly connected with shell, the inner wall of shell is rotatably connected with central axis, the top surface of central axis penetrates the top of shell and is fixedly connected with knob, the outer wall of central axis is wound with flexible antenna, one end of flexible antenna is fixedly connected with structural column, the outer wall of shell is provided with opening, the outer wall of shell is provided with support mechanism, and the support mechanism is used for supporting and fixing flexible antenna.

[0006] Further description of the above technical scheme:

[0007] The support mechanism comprises a support rod 1, the top of the support rod 1 is rotationally connected with the upper end of the outer wall of the shell, the outer wall of the structural column is provided with a sliding groove 1, the bottom of the outer wall of the support rod 1 is fixedly connected with a sliding column, the outer wall of the sliding column is slidably connected with the outer wall of the sliding groove 1, the outer wall of the shell is fixedly connected with a sliding rail, the outer wall of the sliding rail is provided with a sliding groove 2, the sliding groove 2 is slidably connected with a support rod 2, the bottom of the support rod 2 is fixedly connected with a fixed column, and the outer wall of the fixed column is rotationally connected with the outer wall of the structural column.

[0008] As a further description of the above technical scheme:

[0009] The outer wall of the main body is provided with a plurality of cooling fins, and the rear outer wall of the main body is provided with an indicator lamp.

[0010] As a further description of the above technical scheme:

[0011] The bottom of the main body is provided with a clamping groove, and the inner wall of the clamping groove is provided with a backup antenna.

[0012] As a further description of the above technical scheme:

[0013] The outer wall of the main body is provided with a power interface, and the outer wall of the main body is provided with a GPIO interface.

[0014] As a further description of the above technical scheme:

[0015] The outer wall of the main body is fixedly connected with a serial port, and the outer wall of the main body is provided with a network port.

[0016] As a further description of the above technical scheme:

[0017] The outer wall of the structural column is fixedly connected with a pull ring, and the outer wall of the knob is provided with an anti-skid groove.

[0018] As a further description of the above technical scheme:

[0019] The inner wall of the opening is provided with a sealing sleeve, and the top surface of the main body is provided with a label.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In this utility model, when installing the equipment, align the connector with the interface and tighten it. Pull the pull ring to unfold the flexible antenna. The flexible antenna has a multi-layer structure. The flexible antenna is rolled on the central axis without damaging its structure. The unfolded flexible antenna has a large area, which can better receive signals. The outer shell plays a good protective role, so that the flexible antenna is not damaged by external forces. When storing, simply turn the knob. The knob drives the central axis to rotate. One end of the flexible antenna is fixed to the outer wall of the central axis. That is, the flexible antenna rotates and wraps around the outer wall of the central axis, realizing the storage of the flexible antenna, which is convenient for carrying and installation.

[0022] 2. In this utility model, when the pull ring is pulled to unfold the flexible antenna, the sliding column at the lower end of the support rod slides upward in the groove one on the outer wall of the structural column, that is, the support rod one rotates around the upper end, and the upper end of the support rod two slides downward in the groove two on the outer wall of the slide rail, that is, the support rod two rotates around the fixed column. At this time, the support rod one supports the upper end of the flexible antenna, and the support rod two supports the lower end of the flexible antenna. The top height of the support rod one is lower than the bottom of the groove one, making the support more stable. Attached Figure Description

[0023] Figure 1 This is a front perspective view of the foldable flexible RFID reader antenna proposed in this utility model;

[0024] Figure 2 This is a partial structural diagram of the foldable flexible RFID reader antenna proposed in this utility model;

[0025] Figure 3 This is a partial structural exploded view of the foldable flexible RFID reader antenna proposed in this utility model;

[0026] Figure 4 This is a partial structural diagram of the foldable flexible RFID reader antenna proposed in this utility model;

[0027] Figure 5 This is a partial structural schematic diagram of the foldable flexible RFID reader antenna proposed in this utility model.

[0028] Legend:

[0029] 1. Main body; 2. Support mechanism; 201. Support rod one; 202. Sliding column; 203. Slide groove one; 204. Slide rail; 205. Slide groove two; 206. Support rod two; 207. Fixed column; 3. Connecting seat; 4. Mounting seat; 5. Outer shell; 6. Central shaft; 7. Flexible antenna; 8. Knob; 9. Structural column; 10. Opening; 11. Heat sink; 12. Card slot; 13. Spare antenna; 14. Indicator light; 15. Power interface; 16. GPIO interface; 17. Network port; 18. Serial port; 19. Pull ring; 20. Anti-slip groove; 21. Sealing sleeve; 22. Label. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Please refer to the drawings of the embodiments of the utility model Figure 1 - the drawings of the embodiments of the utility model Figure 3 The utility model provides an embodiment: foldable flexible RFID reader antenna, including main body 1, the outer wall of main body 1 is connected with connecting seat 3, the outer wall of connecting seat 3 is connected with mounting seat 4, the top surface of mounting seat 4 is fixedly connected with shell 5, the inner wall of shell 5 is connected with central shaft 6, the top surface of central shaft 6 is fixedly connected with knob 8 and is connected with the top of shell 5, the outer wall of central shaft 6 is wound with flexible antenna 7, one end of flexible antenna 7 is fixedly connected with structural column 9, the outer wall of shell 5 is provided with opening 10, the outer wall of shell 5 is provided with support mechanism 2, and support mechanism 2 is used for supporting and fixing flexible antenna 7;

[0032] Specifically, the outer wall of main body 1 is connected with a connecting seat 3, the outer wall of connecting seat 3 is rotatably connected with mounting seat 4, the top surface of mounting seat 4 is fixedly connected with a shell 5, the inner wall of shell 5 is rotatably connected with a central shaft 6, the top surface of central shaft 6 penetrates the top of shell 5 and is fixedly connected with a knob 8, so as to facilitate operation, the outer wall of central shaft 6 is wound with flexible antenna 7, one end of flexible antenna 7 is fixedly connected with a structural column 9, so as to provide structural support and stability, and the outer wall of shell 5 is provided with an opening 10, so as to facilitate the folding and unfolding of flexible antenna 7.

[0033] Please refer to the drawings of the embodiments of the utility model Figure 4 - the drawings of the embodiments of the utility model Figure 5 Support mechanism 2 includes support rod one 201, the top of support rod one 201 is rotatably connected with the outer wall upper end of shell 5, the outer wall of structural column 9 is provided with sliding slot one 203, the outer wall bottom of support rod one 201 is fixedly connected with sliding column 202, the outer wall of sliding column 202 is slidably connected with the outer wall of sliding slot one 203, the outer wall of shell 5 is fixedly connected with slide rail 204, the outer wall of slide rail 204 is provided with sliding slot two 205, sliding slot two 205 is slidably connected with support rod two 206, the bottom of support rod two 206 is fixedly connected with fixed column 207, and the outer wall of fixed column 207 is rotatably connected with the outer wall of structural column 9.

[0034] Specific, the top end of the strut 201 and the outer wall of the shell 5 upper end rotating connection, so that the strut 201 can rotate freely within a certain range, so as to provide better support and stability, the outer wall of the structure column 9 set up a chute 203, 203 is to cooperate with the outer wall of the sliding column 202 fixedly connected with the strut 201 bottom, the outer wall of the sliding column 202 and the outer wall of the chute 203 sliding connection, the outer wall of the shell 5 is fixedly connected with slide rail 204, the outer wall of the slide rail 204 set up a chute 205, the inner wall of the chute 205 and the outer wall of the strut 206 sliding connection, the bottom of the strut 206 is fixedly connected with the fixed column 207, the outer wall of the fixed column 207 and the outer wall of the structure column 9 rotating connection, forming a stable support structure.

[0035] Please refer to the attached Figure 1 - attached Figure 3 , the outer wall of the main body 1 is provided with a plurality of fins 11, the rear side of the main body 1 is provided with an indicator light 14, the bottom of the main body 1 is provided with a clamping groove 12, the inner wall of the clamping groove 12 is provided with a spare antenna 13, the outer wall of the main body 1 is provided with a power interface 15, the outer wall of the main body 1 is provided with a GPIO interface 16;

[0036] Specific, the outer wall of the main body 1 is installed on a plurality of fins 11, which can effectively dissipate the heat generated by the device during operation, ensure the stability of the device and prolong its service life, the rear side of the main body 1 is provided with an indicator light 14, the indicator light 14 can provide intuitive feedback of the working state of the device, the bottom of the main body 1 is provided with a clamping groove 12, the inner wall of the clamping groove 12 is equipped with a spare antenna 13, in case of need, the outer wall of the main body 1 is provided with a power interface 15, which can directly insert the power cord to power the device, the outer wall of the main body 1 is also equipped with a GPIO interface 16, through these general input and output interfaces, various external devices can be connected to realize the expansion and customization of the device function.

[0037] Please refer to the attached Figure 3 - attached Figure 5 , the outer wall of the main body 1 is fixedly connected with a serial port 18, the outer wall of the main body 1 is provided with a network port 17, the outer wall of the structure column 9 is fixedly connected with a pull ring 19, the outer wall of the knob 8 is provided with an anti-skid groove 20, the inner wall of the opening 10 is provided with a sealing sleeve 21, the top surface of the main body 1 is provided with a label 22;

[0038] Specific, the outer wall of the main body 1 is fixedly connected with a serial port 18, the serial port 18 is used for communicating with external devices, the outer wall of the main body 1 is provided with a network port 17, which can be used for network connection, so that the main body 1 can access the network environment, the outer wall of the structural column 9 is fixedly connected with a pull ring 19, the pull ring 19 facilitates the unfolding of the flexible antenna 7, the outer wall of the knob 8 is provided with an anti-skid groove 20, which increases the friction when operating, thereby improving the stability of operation, the inner wall of the opening 10 is provided with a sealing sleeve 21, the sealing sleeve 21 can effectively prevent foreign matters such as liquid and dust from entering the inside of the opening 10, thereby ensuring the safety and cleanliness of the internal components of the shell 5, the top surface of the main body 1 is provided with a label 22, the label 22 is marked with product information, usage instructions and warning signs, which facilitates understanding of product information and correct use of the device.

[0039] Working principle: when installing the device, align the connecting seat 3 with the interface and tighten it, pull the pull ring 19 to unfold the flexible antenna 7, the flexible antenna 7 has a multi-layer structure, and the flexible antenna 7 is wound on the central shaft 6 without damaging the structure of the flexible antenna 7, the unfolded flexible antenna 7 has a large area and can better receive signals, the shell 5 plays a good protective role, so that the flexible antenna 7 is not damaged by external force, and when storing, only need to rotate the knob 8, the knob 8 drives the central shaft 6 to rotate, one end of the flexible antenna 7 is fixed to the outer wall of the central shaft 6, that is, the flexible antenna 7 is rotated and wound on the outer wall of the central shaft 6, realizing the storage of the flexible antenna 7 and facilitating carrying and installation;

[0040] When the pull ring 19 is pulled to unfold the flexible antenna 7, the sliding column 202 at the lower end of the supporting rod one 201 slides upward in the sliding groove one 203 on the outer wall of the structural column 9, that is, the supporting rod one 201 rotates around the upper end, the upper end of the supporting rod two 206 slides downward in the sliding groove two 205 on the outer wall of the sliding rail 204, that is, the supporting rod two 206 rotates around the fixed column 207, at this time, the supporting rod one 201 supports the upper end of the flexible antenna 7, and the supporting rod two 206 supports the lower end of the flexible antenna 7, the top of the supporting rod one 201 is lower than the bottom of the sliding groove one 203, so that the support is more stable.

[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. Foldable flexible RFID reader antenna comprising a main body (1), characterized in that: The outer wall of the main body (1) is threadedly connected with a connecting seat (3), the outer wall of the connecting seat (3) is rotatably connected with a mounting seat (4), the top surface of the mounting seat (4) is fixedly connected with an outer shell (5), the inner wall of the outer shell (5) is rotatably connected with a central shaft (6), the top surface of the central shaft (6) penetrates the top of the outer shell (5) and is fixedly connected with a knob (8), the outer wall of the central shaft (6) is wound with a flexible antenna (7), one end of the flexible antenna (7) is fixedly connected with a structural column (9), the outer wall of the outer shell (5) is provided with an opening (10), and the outer wall of the outer shell (5) is provided with a supporting mechanism (2) for supporting and fixing the flexible antenna (7).

2. The foldable flexible RFID reader antenna according to claim 1, wherein: The supporting mechanism (2) comprises a supporting rod (201), the top of the supporting rod (201) is rotatably connected with the outer wall of the outer shell (5), the outer wall of the structural column (9) is provided with a sliding groove (203), the outer wall of the supporting rod (201) is fixedly connected with a sliding column (202), the outer wall of the sliding column (202) is slidably connected with the outer wall of the sliding groove (203), the outer wall of the outer shell (5) is fixedly connected with a sliding rail (204), the outer wall of the sliding rail (204) is provided with a sliding groove (205), the inner wall of the sliding groove (205) is slidably connected with a supporting rod (206), and the bottom of the supporting rod (206) is fixedly connected with a fixing column (207).

3. The foldable flexible RFID reader antenna according to claim 1, wherein: The outer wall of the main body (1) is provided with a plurality of radiating fins (11), and the rear outer wall of the main body (1) is provided with an indicator light (14).

4. The foldable flexible RFID reader antenna according to claim 1, wherein: The bottom of the main body (1) is provided with a clamping groove (12), and the inner wall of the clamping groove (12) is provided with a backup antenna (13).

5. The foldable flexible RFID reader antenna according to claim 1, wherein: The outer wall of the main body (1) is provided with a power interface (15), and the outer wall of the main body (1) is provided with a GPIO interface (16).

6. The foldable flexible RFID reader antenna according to claim 1, wherein: The outer wall of the main body (1) is fixedly connected with a serial port (18), and the outer wall of the main body (1) is provided with a network port (17).

7. The foldable flexible RFID reader antenna according to claim 1, wherein: The outer wall of the structural column (9) is fixedly connected with a pull ring (19), and the outer wall of the knob (8) is provided with an anti-skid groove (20).

8. The foldable flexible RFID reader antenna according to claim 1, wherein: The inner wall of the opening (10) is provided with a sealing sleeve (21), and the top surface of the main body (1) is provided with a label (22).

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