The detachable antenna assembly of a kind of well lid
Technical field
The utility model relates to the detachable antenna assembly of a kind of well lid.
Background technology
The signal antenna of the sender unit bottom current well lid is mounted in sender unit, simultaneously owing to being subject to the shielding of well lid, signal being sent and often occurs interrupting, cannot obtain well lid information in time, cause well lid reparation to be incured loss through delay.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of novel structure, the detachable antenna assembly of well lid easy for installation, and anti-stop signal is subject to well lid shielding.
The utility model adopts following scheme to realize: the detachable antenna assembly of a kind of well lid, comprise well lid and be located at the sender unit on the downside of well lid, described well lid is provided with the installing hole running through well lid upper and lower side, installing rack is provided with in described installing hole, axle portion, described installing rack lower end is through described installing hole, installing rack upper head is stuck in above installing hole, offers the through hole running through its upper and lower side in the middle part of described installing rack; Described sender unit side is provided with antennal interface, and described antennal interface is connected with an antenna lower end, and upper antenna end is through the through hole on described installing rack.
Further, described antenna lower end is provided with the antenna terminal be connected with described antennal interface.
Further, described well lid is provided with the counterbore being positioned at installing hole upper end, described installing rack head is absorbed in described counterbore; Axle portion is provided with external screw thread in described installing rack lower end, is provided with the opening nut be rotatably connected in installing rack axle portion on the downside of described well lid.
Further, described installing rack head upper surface is provided with deep gouge, and described upper antenna end is fixed with the rubber ring embedded in deep gouge.
Compared with prior art, the utility model has following beneficial effect: the detachable antenna device arrangement of this well lid is novel, reasonable in design, easy for installation, well lid shielding can be subject to and cause interrupting by effectively anti-stop signal, obtaining well lid information in time, ensure that well lid is able to timely reparation.
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by specific embodiment and relevant drawings, the utility model will be described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment structural section;
Number in the figure illustrates: 1-well lid, 2-sender unit, 3-installing hole, 4-installing rack, 5-through hole, 6-antennal interface, 7-antenna, 8-antenna terminal, 9-counterbore, 10-opening nut, 11-deep gouge, 12-rubber ring.
Embodiment
As shown in Figure 1, the detachable antenna assembly of a kind of well lid, the sender unit 2 comprising well lid 1 and be located on the downside of well lid 1, described well lid 1 is provided with the installing hole 3 running through well lid 1 upper and lower side, installing rack 4 is provided with in described installing hole 3, axle portion, described installing rack 4 lower end is through described installing hole 3, and installing rack 4 upper head is stuck in above installing hole 3, offers the through hole 5 running through its upper and lower side in the middle part of described installing rack 4; Described sender unit 2 side is provided with antennal interface 6, described antennal interface 6 is connected with antenna 7 lower end, antenna 7 upper end is through the through hole 5 on described installing rack 4, in this device antenna 7 with realize detachable connection between sender unit, easy for installation, solve signal penetration problem simultaneously, prevent well lid by signal shielding.
In the present embodiment, be also provided with the induction installation responding to well lid in this sender unit, whether induction installation induction well lid is opened or produces skew, and is sent on the accepting device of relevant departments through antenna by signal.
In the present embodiment, described antenna 7 lower end is provided with the antenna terminal 8 be connected with described antennal interface 6.
In the present embodiment, in order to prevent installing rack from receiving rolling of wheel, described well lid 1 is provided with the counterbore 9 being positioned at installing hole 3 upper end, described installing rack 4 head is absorbed in described counterbore 9; Axle portion is provided with external screw thread in described installing rack 4 lower end, is provided with the opening nut 10 be rotatably connected in installing rack 4 axle portion, tightens opening nut 10, realize the fixed installation of installing rack 4 on the downside of described well lid 1.
In the present embodiment, in order to realize the fixing of upper antenna end, described installing rack 4 head upper surface is provided with deep gouge 11, and described antenna 7 upper end is fixed with the rubber ring 12 embedded in deep gouge 11.
The installation process of the detachable antenna assembly of this well lid: sender unit 2 is connected by screw and is arranged on the downside of well lid by (1); (2) lower end with antenna terminal 8 on antenna 6 passed from installing hole 3 and be connected with the antennal interface 6 on sender unit 2; (3) axle portion in installing rack lower end is through installing hole 3, and is locked below well lid with opening nut 10.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.