CN210306339U

CN210306339U - Installation tool for signal transmitting antenna inside tire

Info

Publication number: CN210306339U
Application number: CN201921134160.XU
Authority: CN
Inventors: 王传付; 董俊杰; 刘和青
Original assignee: Hefei Meisai Electronic Co ltd
Current assignee: Hefei Meisai Electronic Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-14
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an installation tool of a signal transmitting antenna inside a tire, which comprises an assembly platform, a driving mechanism and a transmitting device, wherein the transmitting device comprises a PCB (printed circuit board) and an antenna supporting rod, the PCB is arranged on the assembly platform, the PCB is provided with a connecting rod, the connecting rod is provided with a supporting plate, and the antenna supporting rod is connected with the supporting plate; the driving mechanism comprises a fixed plate, a movable plate, a rotating rod and two support plates. The utility model relates to an ingenious has stronger practicality.

Description

Installation tool for signal transmitting antenna inside tire

Technical Field

The utility model relates to a tire pressure detects technical field, specifically is an installation frock of inside signal transmission antenna of tire.

Background

Tire failure is the most worried and difficult to prevent by all drivers during high-speed driving of automobiles, and is also an important reason for occurrence of sudden communication accidents. Statistically, 70% of traffic accidents on the expressway in China are caused by tire burst. Maintaining standard tire pressure and finding out tire leakage in time are the key to prevent tire burst. In this context, tire pressure detection systems have come to work. The system consists of a transmitting device and a receiving device. The transmitting device comprises a sensor and a transmitting antenna which are arranged in the tire and used for detecting the pressure borne by the tire, the sensor is connected with the transmitting antenna through a circuit, the sensor and a related circuit are made into a PCB, and the transmitting antenna is vertically arranged on the PCB and used for transmitting a detection signal. The receiving device arranged in the cab is used for receiving the detection signal so as to remind a driver when the air pressure of the tire is abnormally changed, and traffic accidents are prevented.

The transmitting device in the existing tire pressure monitoring mostly uses a PCB microstrip antenna for saving cost, the microstrip antenna has certain directivity, in a vehicle tire running at high speed, when the tire frequently rotates to a certain angle, a signal transmitted by the microstrip antenna cannot be normally received by a receiving end, therefore, a spiral antenna needs to be adopted, but the spiral antenna can shake in the rotation of the vehicle tire, therefore, in order to ensure that the spiral antenna does not shake, a device for preventing the spiral antenna from shaking needs to be designed, and meanwhile, a tool for conveniently and quickly installing the device also needs to be designed by matching with the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides an installation frock of inside signal transmission antenna of tire can the effectual technical problem who exists in the above-mentioned background of solution.

In order to achieve the above object, the present invention provides the following technical solutions:

a mounting tool for a signal transmitting antenna in a tire comprises an assembling platform, a driving mechanism and a transmitting device, wherein the transmitting device comprises a PCB and an antenna supporting rod, the PCB is arranged on the assembling platform, a connecting rod is arranged on the PCB, a supporting plate is arranged on the connecting rod, the antenna supporting rod is connected with the supporting plate, a spiral antenna is sleeved on the antenna supporting rod, a conductive rod which is integrated with the spiral antenna is arranged at the bottom of the spiral antenna, an electric contact round head is arranged on the supporting plate, and a cross groove is formed in the upper end face of the antenna supporting rod; actuating mechanism is including fixed plate, movable plate, dwang, two extension boards, two the extension board establish on the equipment platform, the spout has all been seted up to the relative internal surface of two extension boards, the both sides face of movable plate is equipped with the pulley, two the pulley install respectively in two spouts, the fixed plate is fixed between two extension boards and is located the movable plate top, the movable plate is controlled by establishing the servo drive mechanism on the fixed plate, the upper end of dwang is passed the movable plate and is controlled by the rotary mechanism who establishes on the movable plate, the lower extreme of dwang is equipped with the cross piece with cross groove looks adaptation, the cross piece is located the top of antenna brace rod, still be equipped with branch on the dwang, be equipped with welding mechanism on the branch.

Preferably, the upper surface of the supporting plate is provided with a cylindrical groove vertically extending towards the inside of the supporting plate, a movable circular plate and a spiral column are arranged inside the cylindrical groove, the spiral column is arranged at the bottom of the cylindrical groove, the groove wall of the cylindrical groove is provided with four slide bar grooves, the outer wall of the movable circular plate is provided with four slide blocks, the four slide blocks are arranged in the four slide bar grooves, a downward pressing spring is arranged between the movable circular plate and the bottom of the cylindrical groove, the center of the movable circular plate is provided with a through hole, and four positioning grooves are formed between the inner wall of the through hole and the upper surface of the movable circular plate; the bottom of the antenna support rod is connected with a rotary column, four positioning rods are arranged on the rotary column, the four positioning rods are inserted in the four positioning grooves, an external thread II located below the positioning rods is further arranged on the rotary column, a threaded hole is formed in the spiral column, an internal thread II is arranged on the hole wall of the threaded hole, and the external thread II penetrates through the through hole and is meshed with the internal thread II.

Preferably, the diameter of the antenna support rod is larger than that of the cylindrical groove.

Preferably, the welding mechanism comprises an air cylinder, a welding head and two fixing rods, the air cylinder is obliquely fixed on the two fixing rods, and the welding head is connected with the air cylinder and is controlled to stretch by the air cylinder.

Preferably, the electric contact head is connected with a transmission line, and the lower end of the transmission line penetrates through a through hole formed in the supporting plate and is connected with the PCB.

The beneficial effects of the utility model reside in that:

the utility model makes the moving circular plate have reverse thrust and further prevent the rotating column from loosening by arranging the pressing spring between the moving circular plate and the moving circular plate; the spiral antenna is sleeved on the supporting rod, so that the spiral antenna can be prevented from shaking; the transmission of signals is more stable through the arranged spiral antenna; through setting up cross piece and the cross recess on the rotary rod and mutually supporting, thereby can be accurate control antenna support stick with the rotary column after direct rotation fixed with two meshes of external screw thread, convenient simple, comparatively be suitable for the assembly line. The utility model relates to an ingenious has stronger practicality.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the utility model discloses structure side view.

FIG. 2: the utility model discloses a structure side view.

FIG. 3: the utility model discloses antenna support stick's schematic structure drawing.

FIG. 4: the utility model discloses remove the structure plan view of plectane.

FIG. 5: the utility model discloses the structure plan view of backup pad.

FIG. 6: the utility model discloses antenna support stick's structural plan view.

In the figure: 1. the device comprises an assembly platform, 2, a driving mechanism, 3, a transmitting device, 4, a PCB (printed Circuit Board), 5, an antenna support rod, 6, a servo driving mechanism, 7, a rotating mechanism, 8, a welding mechanism, 9, a cylindrical groove, 21, a fixing plate, 22, a moving plate, 23, a rotating rod, 24, a support plate, 25, a sliding groove, 26, a pulley, 27, a cross block, 28, a support rod, 41, a connecting rod, 42, a support plate, 43, an electric contact round head, 44, a transmission line, 45, a through hole, 51, a spiral antenna, 52, a conductive rod, 53, a rotating column, 54, a positioning rod, 55, an external thread II, 56, a cross groove, 81, a cylinder, 82, a welding head, 83, a fixing rod, 91, a moving circular plate, 92, a spiral column, 93, a sliding groove, 94, a sliding block, 95, a pressing spring, 96.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the attached drawings, but the invention can be implemented in many different ways as defined and covered by the claims:

please refer to fig. 1, the utility model provides an installation frock of signal transmission antenna inside tire, including assembly platform 1, actuating mechanism 2, emitter 3 is including PCB 4, antenna support stick 5, and PCB 4 establishes on assembly platform 1, is equipped with connecting rod 41 on PCB 4, is equipped with backup pad 42 on connecting rod 41.

Please refer to fig. 3 and fig. 6, the antenna support rod 5 is sleeved with a spiral antenna 51, the antenna support rod 5 is used for preventing the spiral antenna 51 from shaking, the bottom of the antenna support rod 5 is connected with a rotating column 53, four positioning rods 54 are arranged on the rotating column 53, a second external thread 55 positioned below the positioning rods 54 is further arranged on the rotating column 53, and a cross-shaped groove 56 is arranged on the upper end surface of the antenna support rod 5.

Referring to fig. 2, the supporting plate 42 is provided with an electric contact head 43, the electric contact head 43 is connected with a transmission line 44, the lower end of the transmission line 44 passes through a through hole 45 formed in the supporting plate 42 and is connected with the PCB 4, and since the bottom of the spiral antenna 51 is provided with a conductive rod 52 integrated with the spiral antenna 51, the spiral antenna 51 can be electrically connected with an electrical element on the PCB 4 after the conductive rod 52 is welded with the electric contact head 43, so as to transmit signals.

Referring to fig. 2 and 5, a cylindrical groove 9 vertically extending toward the inside of the support plate 42 is formed in the upper surface of the support plate 42, a movable circular plate 91 and a spiral column 92 are arranged inside the cylindrical groove 9, the spiral column 92 is arranged at the bottom of the cylindrical groove 9, four slide grooves 93 are formed in the wall of the cylindrical groove 9, four sliders 94 are arranged on the outer wall of the movable circular plate 91, the four sliders 94 are installed in the four slide grooves 93, and a pressing spring 95 is arranged between the movable circular plate 91 and the bottom of the cylindrical groove 9, so that when the movable circular plate 91 moves downward, the pressing spring 95 can apply reverse force to the movable circular plate 91, and the number of the pressing springs 95 can be increased or decreased according to actual needs.

Referring to fig. 2, 4 and 5, a through hole 97 is formed at the center of the movable circular plate 91, four positioning grooves 96 are formed between the inner wall of the through hole 97 and the upper surface of the movable circular plate 91, so that after the external thread two 55 passes through the through hole 97, the four positioning rods 54 can be inserted into the four positioning grooves 96, since the screw post 92 is provided with a threaded hole and the wall of the threaded hole is provided with an internal thread two, when the whole antenna support rod 5 is rotated, the external thread two 55 follows to rotate and enter the threaded hole and engage with the internal thread two, the positioning rod 54 moves downward to be engaged with the positioning grooves 96, the movable circular plate 91 is pressed downward, when the downward pressing spring 95 can reversely apply force to the movable circular plate 91, the positioning grooves 96 apply upward thrust to the positioning rods 54, thereby applying upward thrust to the rotary posts 53, and further reducing the gap between the external thread two 55 and the, the friction force is increased and the loosening of the rotary post 53 is prevented.

Referring to fig. 2, when the external thread two 55 is screwed into the internal thread two, since the diameter of the antenna support rod 5 is larger than the diameter of the cylindrical groove 9, a part of the bottom of the antenna support rod 5 contacts with the upper surface of the support plate 42, and the conductive rod 52 also slowly contacts with the electric contact head 43 during the rotation and downward movement of the antenna support rod 5, and the conductive rod 52 and the electric contact head 43 can be fixed only by electric welding.

Therefore, in the present embodiment, the antenna support rod 5 is controlled to move downward and rotate, and the antenna support rod 5 can be controlled to be fixed, and the antenna support rod 5 is controlled to move downward and rotate by the driving mechanism 2.

Referring to fig. 1, since the driving mechanism 2 includes the fixed plate 21, the moving plate 22, the rotating rod 23, and the two support plates 24, the two support plates 24 are disposed on the assembly platform 1, the two support plates 24 are respectively provided with a sliding slot 25 on the inner surface thereof, the two side surfaces of the moving plate 22 are provided with the pulleys 26, the two pulleys 26 are respectively mounted in the two sliding slots 25, the moving plate 22 can move up and down between the support plates 24, because the fixed plate 21 is fixed between the two support plates 24 and located above the moving plate 22, the moving plate 22 is controlled by the servo driving mechanism 6 arranged on the fixed plate 21, the servo driving mechanism 6 generally drives the moving plate 22 to move up and down in a mode of combining a servo motor and a lead screw, the upper end of the rotating rod 23 penetrates through the moving plate 22 and is controlled by the rotating mechanism 7 arranged on the moving plate 22, and the rotating mechanism 7 generally controls the rotating rod 23 to rotate by the combination of the motor and a speed reducer. Because the cross block 27 matched with the cross groove 56 is arranged at the lower end of the rotating rod 23, the cross block 27 is positioned above the antenna support rod 5, before the control rotating rod 23 moves downwards, the four positioning rods 54 are inserted into the four positioning grooves 96 at the moment, after the control cross block 27 is inserted into the cross groove 56, the rotating rod 23 continues to move downwards until the external thread two 55 starts to be meshed with the internal thread two, the rotating rod 23 is controlled to rotate, the whole antenna support rod 5 can be rotated to be fixed with the spiral column 92, and at the moment, the conductive rod 52 is contacted with the electric contact round head 43; because the rotating rod 23 is further provided with the supporting rod 28, the supporting rod 28 is provided with the welding mechanism 8, the welding mechanism 8 comprises the air cylinder 81, the welding head 82 and the two fixing rods 83, the air cylinder 81 is obliquely fixed on the two fixing rods 83, the welding head 82 is connected with the air cylinder 81 and is controlled by the air cylinder 81 to stretch to the contact position of the conductive rod 52 and the electric contact round head 43, and the conductive rod 52 is welded on the electric contact round head 43.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides an inside signal emission antenna's of tire installation frock which characterized in that: the antenna comprises an assembly platform, a driving mechanism and a transmitting device, wherein the transmitting device comprises a PCB and an antenna supporting rod, the PCB is arranged on the assembly platform, a connecting rod is arranged on the PCB, a supporting plate is arranged on the connecting rod, the antenna supporting rod is connected with the supporting plate, a spiral antenna is sleeved on the antenna supporting rod, a conductive rod which is integrated with the spiral antenna is arranged at the bottom of the spiral antenna, an electric contact round head is arranged on the supporting plate, and a cross groove is formed in the upper end face of the antenna supporting rod; actuating mechanism is including fixed plate, movable plate, dwang, two extension boards, two the extension board establish on the equipment platform, the spout has all been seted up to the relative internal surface of two extension boards, the both sides face of movable plate is equipped with the pulley, two the pulley install respectively in two spouts, the fixed plate is fixed between two extension boards and is located the movable plate top, the movable plate is controlled by establishing the servo drive mechanism on the fixed plate, the upper end of dwang is passed the movable plate and is controlled by the rotary mechanism who establishes on the movable plate, the lower extreme of dwang is equipped with the cross piece with cross groove looks adaptation, the cross piece is located the top of antenna brace rod, still be equipped with branch on the dwang, be equipped with welding mechanism on the branch.

2. The mounting tool for the signal transmitting antenna inside the tire according to claim 1, wherein: the upper surface of the supporting plate is provided with a cylindrical groove vertically extending towards the inside of the supporting plate, a movable circular plate and a spiral column are arranged inside the cylindrical groove, the spiral column is arranged at the bottom of the cylindrical groove, the groove wall of the cylindrical groove is provided with four slide bar grooves, the outer wall of the movable circular plate is provided with four slide blocks, the four slide blocks are arranged in the four slide bar grooves, a downward pressing spring is arranged between the movable circular plate and the bottom of the cylindrical groove, the center of the movable circular plate is provided with a through hole, and four positioning grooves are formed between the inner wall of the through hole and the upper surface of the movable circular plate; the bottom of the antenna support rod is connected with a rotary column, four positioning rods are arranged on the rotary column, the four positioning rods are inserted into the four positioning grooves, an external thread II located below the positioning rods is further arranged on the rotary column, a threaded hole is formed in the spiral column, an internal thread II is arranged on the hole wall of the threaded hole, and the external thread II penetrates through the through hole and is meshed with the internal thread II.

3. The mounting tool for the signal transmitting antenna inside the tire as claimed in claim 2, wherein: the diameter of the antenna support rod is larger than that of the cylindrical groove.

4. The mounting tool for the signal transmitting antenna inside the tire according to claim 1, wherein: the welding mechanism comprises an air cylinder, a welding head and two fixing rods, wherein the air cylinder is obliquely fixed on the two fixing rods, and the welding head is connected with the air cylinder and is controlled to stretch by the air cylinder.

5. The mounting tool for the signal transmitting antenna inside the tire according to claim 1, wherein: the electric contact head is connected with a transmission line, and the lower end of the transmission line penetrates through a through hole formed in the supporting plate and is connected with the PCB.