CN2229106Y

CN2229106Y - Telescopic rod

Info

Publication number: CN2229106Y
Application number: CN 95209078
Authority: CN
Inventors: 林玉婷
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-06
Filing date: 1995-05-06
Publication date: 1996-06-12
Anticipated expiration: 2005-05-06

Abstract

The utility model belongs to a telescopic rod, which can adjust the elevation angle of dish-shaped antennae with being matched with a controller and a motor, and comprising a barrier ring 5, a sleeve ring 32, a bearing 4, a screw rod 3, an annular fixed sleeve 34, an inner tube 2 and an outer tube 1. One end 21 of the utility model is connected with the dish-shaped antenna, and the other end 33 is connected with the motor, so the length is easy to be adjusted, and users can also easily and conveniently adjust the top and the bottom elevation angles of the signal receiving disc on the dish-shaped antennae. In addition, the utility model also has the advantages of easy assembly and high durability.

Description

A kind of expansion link

The utility model belongs to a kind of expansion link, and the You Zhiyi end is connected on the reception disc of disc-shaped antenna, and an end is socketed in the motor, and mat is controlled the executor of motor, adjusts the expansion link of the disc elevation angle angle of disc-shaped antenna.

Press, the disc-shaped antenna signal receives the assembling of disc, generally be installed on the attic or roof in building, in order to the reception of signal, receive the angle and the orientation thereof of signal usually, when initial assembling, finish with regard to adjusted, if it is, must set upright adjustment again by personnel in addition, inconvenient on using because of typhoon or other factors make disc orientation or angle change reception when bad.

The purpose of this utility model provides a kind of expansion link, when when containing the motor adapted of controller, can regulate length electrically, and then adjusts the elevation angle of disc-shaped antenna.

For reaching above-mentioned purpose, the utility model includes members such as pipe in the outer tube,, screw rod, ring-like fixed cover, bearing, the collar and shelves ring, wherein: outer tube is a hollow cylindrical, can go into for screw rod and interior pipe box in it, and outer tube is provided with some grooves of position symmetry apart from an end mouth of pipe, the inner tubal wall of the outstanding outer tube of this groove, and this nose end medial margin of outer tube is provided with internal thread; The cylinder shape design of interior Guan Weiyi end sealing is established a fixing ring seat in the blind end outer rim, and can be connected to the disc of disc-shaped antenna, the openend inner edge is provided with screw thread for swivel nut again; The screw rod of being located in the outer tube is the solid oval mast with diameter, one rod end lateral margin is not had a screw thread and be provided with a screw, this rod end can supply the cover that a lateral margin tool runs through screw to be located on, and mat one countersunk head screw fixes the collar and screw rod, and another rod end of screw rod is provided with rod end end face groove in two again; And the bearing two ends that are placed on the screw rod are respectively to utilize a nut that the bearing packing is fixed; Ring-like fixed cover be swivel nut on screw rod, for inside and outside edge all is provided with the hollow and annular body of screw thread, its outer rim is provided with a ring-like flange apart from collar extension, can terminate in this ring-like flange for interior pipe swivel nut when external screw thread; In addition ring-like flange from, ring body mouth distance the end of weak point be the kenel of a hexagon; The shelves ring is that an end ring mouth outer rim has a ring-like flange, the externally threaded hollow and annular body of other end collar extension outer rim tool, and its external screw thread can be meshed with the internal thread of outer tube nose end; But groove that bearing mat outer tube is set and the shelves ring that is screwed in the outer tube mouth of pipe fix, be socketed in the motor with the rod end that prevents the outer tool groove of screw rods place shelves ring central through-hole, when pipe was done flexible adjustment in the rotation of motor drive screw rod impels, screw rod and bearing can be to two end movements.

Adopt said structure, the utility model can be adjusted the elevation angle of reception disc,, assembling simple except that manufacturing process is easy, and dark its durability of tool.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is an element exploded view of the present utility model.

Fig. 2 is a section of structure of the present utility model.

Fig. 3 is an illustrative view of the present utility model.

Fig. 4 is an enforcement illustration of the present utility model.

See also Fig. 1, Fig. 2, the utility model comprises members such as an outer tube 1, one interior pipe 2, screw rod 3, ring-like fixed cover 34, bearing 4, the collar 32 and shelves ring 5.

Outer tube 1 structure presents a hollow cylindrical, and is provided with some grooves 11 of position symmetry apart from an end mouth of pipe place, the inner tubal wall of these groove 11 outstanding outer tubes 11, and outer tube 1 this nose end medial margin is provided with internal thread 12 and can be screwed into for one grade of ring 5; Screw rod 3 is the helicoid solid oval mast of equal diameter, and wherein a rod end lateral margin is not had a screw thread and be provided with a screw 31, and screw rod 3 in addition rod ends be provided with rod end end face groove 33 in two; The collar 32 its lateral margins are provided with one and run through screw, and this collar 32 is to be inserted in the not helicoid rod end of screw rod 3, and mat one countersunk head screw spiral shell wears ring 32 screws and being screwed in screw rod 3 screws 31, with retaining collar 32; Bearing 4 is to be the structure of generally commonly using, and is to be inserted in screw rod 3 lateral borders, and bearing 4 two ends then respectively utilize a nut 41 to be screwed into screw rod 3 packing rigid bearings 4; Shelves ring 5 is that an end ring mouth outer rim has a ring-like flange 51, the externally threaded hollow and annular body of other end collar extension outer rim tool, and its external screw thread can be meshed with the internal thread 12 of outer tube 1 nose end; Ring-like fixed cover 34 all is provided with the hollow and annular body of screw thread for inside and outside edge, the screw thread of this ring body inner edge reaches stationary fit in the time of can be with screw rod 3 lock tubes, and outer rim is provided with a ring-like flange 35 apart from the collar extension place, and this ring-like flange 35 is the kenel of a hexagon than the end of weak point from ring body mouth distance.Interior pipe 2 is the cylinder shapes design of end sealing, this openend inner edge is provided with screw thread energy swivel nut on the outer rim screw thread of ring-like fixed cover 34, blind end then is provided with a fixedly ring seat 21 that can be connected and fixed on the disc-shaped antenna disc, the endless tube diameter of pipe 2 again, be able to be inserted in outer tube 1 pipe, in pipe, stretch; Its endless tube internal diameter is slightly less than the set ring-like flange 35 of ring-like fixed cover 34 outer rims again.

The above-mentioned main member of the utility model mat and forming, the assembling situation of its each member, by under it is described in detail in detail: screw rod 3 preface spiral shell is successively worn ring-like fixed cover 34, nut 41, bearing 4 and another nut 41, and the not helicoid rod end of screw rod 3 is to be inserted in a collar 32 and the solid collar 32 of mat countersunk head screw spiral shell and screw rod 3, bearing 41 is to utilize nut 41 packings at two ends to fix in addition, the screw rod 3 that assembling is finished is inserted in the outer tube 1, and allow bearing 4 terminate in groove 11 lateral margins of outer tube 1, be screwed into the internal thread 12 of outer tube 1 nose end again with shelves ring 5, the ring-like flange 51 of utilization shelves ring 5 and the groove 11 of outer tube 1 fix the bearing 4 and screw rod 3 after the assembling, and make the rod end position of screw rod 3 tool grooves 33 locate outside shelves ring 5 central through-hole; Pipe 2 utilizes the set screw thread of openend inner edge again, and swivel nut and terminates in ring-like flange 35 on the external screw thread of annular fixed cover 34.The setting of the set groove 11 of above-mentioned outer tube 1 and shelves ring 5, the whole group of member that can prevent institute's socket in the outer tube 1 during because of start to two end movements; So finish the assembling (as shown in Figure 2) of the utility model expansion link.

See also Fig. 3 and shown in Figure 4, the utility model expansion link is applied to actual assembling, be that fixedly ring seat 21 mat bolts or other mechanisms are fixed on the disc that the signal of disc-shaped antenna receives, place, the position outer screw rod 3 rod end grooves 33 of shelves ring 5 central through-hole then are socketed in the miniature motor; When motor running drives screw rod 3 grooves 33 and makes screw rod 3 do the original place rotation, force lock tube in the ring-like fixed cover 34 of screw rod 3 together with interior pipe 2, move along screw rod 3, make its elevation angle angle of the upper and lower adjustment of disc energy.

Claims

1, a kind of expansion link includes pipe in the outer tube,, and wherein: outer tube is a hollow cylindrical, can go into for screw rod and interior pipe box in it, and the outer tube distance one end mouth of pipe is provided with some grooves of position symmetry, the inner tubal wall of the outstanding outer tube of this groove, and this nose end medial margin of outer tube is provided with internal thread; The cylinder shape design of interior Guan Weiyi end sealing is established a fixing ring seat in the blind end outer rim, and can be connected to the disc of disc-shaped antenna, the openend inner edge is provided with screw thread for swivel nut again; It is characterized in that: the screw rod that it is provided with, ring-like fixed cover, bearing, the collar and shelves ring; Wherein: the screw rod of being located in the outer tube is the solid oval mast with diameter, one rod end lateral margin is not had a screw thread and be provided with a screw, this rod end can supply the cover that a lateral margin tool runs through screw to be located on, and mat one countersunk head screw fixes the collar and screw rod, and another rod end of screw rod is provided with rod end end face groove in two again; And the bearing two ends that are placed on the screw rod are respectively to utilize a nut that the bearing packing is fixed; Ring-like fixed cover be swivel nut on screw rod, for inside and outside edge all is provided with the hollow and annular body of screw thread, its outer rim is provided with a ring-like flange apart from collar extension, can terminate in this ring-like flange for interior pipe swivel nut when external screw thread; Ring-like flange is the kenel of a hexagon than the end of weak point from ring body mouth distance in addition; The shelves ring is that an end ring mouth outer rim has a ring-like flange, the externally threaded hollow and annular body of other end collar extension outer rim tool, and its external screw thread can be meshed with the internal thread of outer tube nose end; But groove that bearing mat outer tube is set and the shelves ring that is screwed in the outer tube mouth of pipe fix, be socketed in the motor with the rod end that prevents the outer tool groove of screw rods place shelves ring central through-hole, when pipe was done flexible adjustment in the rotation of motor drive screw rod impels, screw rod and bearing can be to two end movements.