CN2209759Y

CN2209759Y - Locating device for telescoping lamp bracket

Info

Publication number: CN2209759Y
Application number: CN 94216385
Authority: CN
Inventors: 林锦南
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-30
Filing date: 1994-11-30
Publication date: 1995-10-11
Anticipated expiration: 2004-11-30

Abstract

The utility model relates to a positioning device for a telescoping lamp bracket. A containing chamber is outwards formed at the nick of the surrounding sides of a cylinder seat which is provided with an upper cylinder body and a lower cylinder body. The opposite sides of the containing chamber are provided with two corresponding locking holes which are respectively penetrated with a positioning lock and a lock pole. The positioning lock and the lock pole are respectively provided with an eccentric locking body which is provided with press baffles. The two eccentric locking bodies are driven to rotate in an eccentric mode by turning the locking handle of the positioning lock and rotating the screw heads of the lock pole, making the press baffles which are positioned on the upper parts of the two locking bodies inwards press the outer ring surfaces of telescopic poles which are arranged inside the cylinder seat, and achieving the aims of convenient assembly and easy adjustment.

Description

Locating device for telescoping lamp bracket

The utility model relates to a kind of positioner of flexible lamp bracket, relates to particularly that a kind of composed component is few, the positioner of handling ease and the simple flexible lamp bracket of assembling.

As shown in Figure 1, it is a kind of stereogram of flexible lamp bracket 10 in the past, this lamp bracket 10 is to be socketed into the support bar 11 that stands mutually with the body of rod that majority props up the different tube diameters size, be to be socketed in the big body of rod 112 with rhabdites 111, and being located by connecting with most positioners 20 forms, and the bottom is provided with a triangle foot rest 12.As shown in Figure 2, this positioner 20 comprises one by a tubule body 22 and the cylinder base 21 that big pipe shaft 27 is constituted, tubule body 22 rings are convexly equipped with a room 23 week outward, room 23 with tubule body 22 in all interface of ring form a groove 231, laterally provide a screw 232 toward room 23 lateral surfaces in the middle of the groove 231, screw 232 positioning knob 24 that is spirally connected, be provided with a dividing plate 25 and one in this room 23 and compress plate 26, each spiral shell of all triangles of big pipe shaft 27 rings corresponding position is established a screw 271, screw 271 soket head cap screw 28 that respectively is spirally connected.During assembling, as shown in Figure 3, positioner 20 is down worn from rhabdites 111 tops, make big pipe shaft 27 be enclosed within the big body of rod 112 tops, tubule body 22 is positioned at rhabdites 111 outer rim side, and the soket head cap screw 28 that utilizes all institutes of big pipe shaft 27 rings spiral shell to establish is again fixed the big pipe shaft 27 and the big body of rod 112, then rhabdites 112 is drawn high, toward inward turning tightening position knob 24, compress plate 26 and oppress to pass this, and reach fixing purpose in the surface of rhabdites 111.

The positioner 20 of above-mentioned flexible lamp bracket 10 has following shortcoming:

1. this cylinder base 21 is to make in the mode of die casting, encircles borehole on weeks at big pipe shaft 27, difficulty in the construction, and cost is also than higher.

2. in the assembling, utilize the fixing big body of rod 112 of the mode that screws tight of six screws 28 in three, rotation location turn-knob 24 is located (or adjustment) rhabdites, inconvenience during assembling again.

These positioner 20 composed components comprise a cylinder base 20, positioning knob 24, dividing plate 24, one compress plate 26 and three soket head cap screws 28, spare part is numerous.

The purpose of this utility model provide that a kind of composed component is few, processing, assembling easily, and the positioner of adjustment and the comparatively simply flexible lamp bracket of position fixing process.

Of the present utility model being characterised in that: on this positioner has, the cylinder base ring side indentation, there of following stack shell forms an accommodating chamber outward, the accommodating chamber opposing sidewalls is provided with two groups of corresponding lockholes, respectively place a location lock and a lock in two groups of corresponding lockholes, the location lock all is provided with an eccentric lock body with lock, eccentric lock body is provided with and compresses plate, during by the head of screw of the shank of the key of pulling location lock and turn lock, make two eccentric lock bodies be eccentric rotary, and make the expansion link outer ring surface that the past compressing of plate is positioned at cylinder base that compresses that is positioned on two lock bodies, reach assembling and simple purpose easy to adjust.

The positioner of flexible lamp bracket of the present utility model comprises that a cylinder base, location lock, lock and first and second compress plate, cylinder base is the saturating empty hollow cylinders in both sides, last hypomere forms two upper and lower stack shells that the footpath degree is different, upper and lower stack shell ring side forms an accommodating chamber outward, and the accommodating chamber two side is provided with two groups of upper and lower corresponding lockholes.The location lockset has the shank of the key that can pull, shank of the key is provided with a ring seat that is located at one of them lockhole place of corresponding lockhole, the ring seat side laterally is provided with an eccentric lock body, eccentric lock body laterally is placed through between corresponding lockhole, and end is provided with an off-centre operation headpin that is placed in another corresponding lockhole place.Lock has a head of screw, the first side of screw is provided with a ring seat that is arranged in down one of them lockhole place of corresponding lockhole, the ring seat side laterally is provided with an eccentric lock body, this off-centre lock body laterally is placed through down between corresponding lockhole, and end is provided with an off-centre operation headpin that is placed in another corresponding lockhole place.First to compress plate be the plate body that a width equates with last stack shell breach, and end face is provided with an arc surface that cooperates upper cylinder column inner ring surface curved arc angle, and the bottom surface then laterally is arranged with a curved arc groove that cooperates the eccentric lock body of location lock.Second to compress plate be the plate body that a width equates with following cylinder base breach for this, and end face is provided with the arc surface of cylinder base inner ring surface curved arc angle under the cooperation, and the bottom surface then laterally is arranged with a curved arc groove that cooperates the eccentric lock body of lock.Pull shank of the key or screw head of screw, the off-centre operation headpin of location lock or lock end is rotated in lockhole, and make the lock body eccentric swing, compress plate and press on toward on the outer ring surface of the cylinder that stretches to drive on the lock body first and second.Reduce composed component, simplify manufacture process, make assembling and adjust upward more convenient.

Below by most preferred embodiment and accompanying drawing flexible lamp bracket positioner of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the schematic perspective view of flexible in the past lamp bracket.

Fig. 2 is the three-dimensional exploded view of flexible in the past lamp bracket positioner.

Fig. 3 is the part cutaway view of flexible in the past lamp bracket.

Fig. 4 is the three-dimensional exploded view of the utility model preferred embodiment.

Fig. 5 is the three-dimensional combination figure of the utility model preferred embodiment.

Fig. 6 is that the utility model preferred embodiment is assemblied in the part cutaway view on the lamp bracket.

Fig. 7 is the schematic diagram that the utility model preferred embodiment is assemblied in stationary state on the lamp bracket.

As shown in Figure 4, the flexible lamp bracket positioner of the utility model preferred embodiment comprises that a

cylinder base

30,40, locks 50 of a location lock, first compress sheet 60 and second and compress sheet 70.

This cylinder base 30 is hollow cylinders, last hypomere form the unequal and mutual linking of two footpath degree on, following

stack shell

31,32, on, following

stack shell

31,32 joining place inner edges have a spacing edge 33, respectively be provided with the breach 34 of a mutual conduction with spacing edge 33 same ring sides, 35, two

breach

34,35 edges are convexly equipped with an accommodating chamber 36 outward, this accommodating chamber 36 generally is a shape framework, two opposing sidewalls 37 are provided with on two groups, following

corresponding lockhole

38,39, on, following corresponding lockhole 38, one of them lockhole 381 of 39,391 peritreme limits respectively are provided with a ring edge 382,392.

This location lock 40 is placed through last corresponding lockhole 38 places of accommodating chamber 36, has a shank of the key of the confession pulling 41, shank of the key 41 heads 411 are provided with the ring seat 42 that corresponding lockhole 38 in the cooperation has lockhole 381 sizes of ring edge 382, eccentric lock body 43 of horizontally set on the ring seat 42, this off-centre lock body 43 is cylinders that a footpath degree is slightly smaller than corresponding lockhole 38, ring is established a bulge loop 44 on this off-centre lock body 43, and end is provided with the off-centre operation headpin 45 of corresponding lockhole 38 another lockholes 383 in the cooperation.

This lock 50 is arranged in the following corresponding lockhole 39 of accommodating chamber 36, has a head of screw 51, these head of screw 51 outsides are provided with a word breach 511 of a rotation, medial surface is established a ring seat 52 that cooperates these lockhole 391 sizes, ring seat 52 surfaces are horizontally set with the eccentric lock body 53 of a footpath degree less than following corresponding lockhole 39 diameters, eccentric lock body 53 is provided with a bulge loop 54, and end is provided with the off-centre operation headpin 55 of corresponding lockhole 39 another lockhole 393 sizes under the cooperation.

This first compresses plate 60 and is located in the accommodating chamber 36, and be positioned at breach 34 places of stack shell 31, end face forms the arc surface 61 of stack shell 31 inner ring surface curved arc angles in the cooperation, the bottom surface is horizontally set with a curved arc groove 62 that cooperates location lock 40 eccentric lock body 43 anchor rings, and this curved arc groove 62 is provided with a vertical groove 63 with respect to bulge loop 44 places on the eccentric lock body 43.

This second structure that compresses plate 70 is roughly with first to compress plate 60 identical, be provided in a side of equally in the accommodating chamber 36, and breach 35 places of stack shell 32 under being positioned at, end face forms the arc surface 71 of stack shell 32 inner ring surface curved arc angles under the cooperation, the bottom surface is horizontally set with a curved arc groove 72 that cooperates lock 50 eccentric lock body 53 anchor rings, this curved arc groove 72 is arranged with a vertical groove 73, the second low pressing plate 70 1 sides and hangs down and establish one and cache 74 at bulge loop 54 places with respect to eccentric lock body 53.

More than construct and the position for being associated of each main member of the utility model, and the assembling situation is, as Fig. 4, shown in 5, to locate earlier and lock last corresponding lockhole 38 places that 40 eccentric lock bodies 43 are arranged in accommodating chamber 36, ring seat 42 is nested with in the ring edge 382 of lockhole 381, shank of the key 41 is positioned at accommodating chamber 36 1 sidewalls 37 outsides, and off-centre operation headpin 45 is placed in the relative lockhole 383, again lock 50 eccentric lock bodies 53 are arranged in the following corresponding lockhole 39 of accommodating chamber 36, ring seat 52 is nested with in the ring edge 392 of lockhole 391, the off-centre operation headpin 55 of eccentric lock body 53 ends then is placed through in the corresponding lockhole 393, then, first, two

compress plate

60,70 furnish the eccentric lock body 43 at location lock 40 and lock 50 respectively, on 53, make two

bulge loops

44,54 are nested with at two

vertical grooves

63,73 places.

The positioner of the above-mentioned preferred embodiment of the utility model and the assembling mode of lamp bracket, shown in Fig. 6,7, this lamp bracket 80 is that tubule footpath expansion link 81 is nested with in big caliber expansion link 82, and tubule footpath expansion link 81 root edges are respectively equipped with a flange 811,821 with big caliber expansion link 82 apical margins, are formed by connecting in the mode of mutual clamping.During assembling, cylinder base 30 is down sheathed, big caliber expansion link 82 tops are nested with in following stack shell 32, apical margin then is limited on the spacing edge 33 of 31,32 of upper and lower cylindrical shells, utilize instrument rotation lock 50 then, make eccentric lock body 53 be positioned at second on the eccentric lock body 53 and compress plate 70 toward moving, and tightly forcing, just reach the purpose of fixing big caliber expansion link 82 with the outer ring surface of big caliber expansion link 82 by turn and drive.Then, tubule section expansion link 82 up is stretched over suitable height, up pulls the shank of the key 41 of location lock 40, in the same manner, this shank of the key 41 can drive eccentric lock body 43 rotations, makes to be positioned at first on the eccentric lock body 43 and to compress plate 60 toward moving, with urgent outer ring surface in tubule footpath expansion link 81.If when adjusting the height of flexible lamp bracket, as long as down pull shank of the key 41, up move tubule footpath expansion link 81 to book office, it is just passable down to pull shank of the key 41 again.

With the positioner of the utility model Telescopic lamp rack and the in the past relatively lower effect explanation that produced as after:

1. the utility model is by a cylinder base 30, positioning lock 40, lock 50 and One, two

compress plate

60,70 5 members form, in the past positioner then comprise a cylinder base 20, positioning knob 24, dividing plate 25, one

compress plate

26 and 28 7 members of three soket head cap screws, so the utility model is less on composed component, cost is lower.

2. the utility model cylinder base 30 is the rheo-die-casting moulding, and does not need to carry out the program of borehole again on making, and is comparatively easier than in the past construction.

3. replace the in the past locking mode of three hex screws 28 with a lock 50, on adjusting, the mode of pulling with up (or down) substitutes the mode of rotary lock, and is all comparatively simple and convenient in operation and the assembling.

In sum, the positioner composed component of the flexible lamp bracket of the utility model is few, assembling, processing ease.

Claims

1, a kind of positioner of flexible lamp bracket, should flexible lamp bracket be to be socketed to form mutually with the expansion link that majority props up the different tube diameters size, this positioner is located at the place, location of these flexible lamp bracket two expansion links, comprise a cylinder base, this cylinder base is the saturating empty hollow cylinders in both sides, and last hypomere forms two unequal upper and lower stack shells of diameter, it is characterized in that:

The upper and lower stack shell joining place of this cylinder base side respectively is provided with the breach of a mutual conduction, and the ring side forms an accommodating chamber outward, and this accommodating chamber two side is provided with two groups of upper and lower corresponding lockholes;

Should go up and place a location lock between corresponding lockhole, this location lockset has a shank of the key of the confession pulling, this shank of the key is provided with a ring seat that is located at a lockhole place of corresponding lockhole, this ring seat side laterally is provided with an eccentric lock body, this off-centre lock body laterally is placed through between corresponding lockhole, and end is located at an off-centre operation headpin that is placed in another corresponding lockhole place;

Place a lock between the corresponding lockhole of this time, this lock has a head of screw, the first side of this screw is provided with a ring seat, this ring seat is arranged in down a lockhole place of corresponding lockhole, this ring seat side laterally is provided with an eccentric lock body, this off-centre lock body laterally is placed through between the corresponding lockhole of this time, and end is provided with an off-centre operation headpin that is placed in another corresponding lockhole place;

Being provided with one first in this accommodating chamber compresses plate and one second and compresses plate, first to compress plate be a width with should go up the plate body that stack shell breach equates for this, end face is provided with an arc surface that cooperates stack shell inner ring surface curved arc angle on this, and the bottom surface then laterally is arranged with a curved arc groove that cooperates the eccentric lock body of this location lock;

Second to compress plate be the plate body that a width equates with this time cylinder base breach for this, and end face is provided with an arc surface that cooperates this time cylinder base inner ring surface curved arc angle, and bottom surface side laterally is arranged with a curved arc groove that cooperates this lock off-centre lock body.

2, the positioner of flexible lamp bracket as claimed in claim 1 is characterized in that:

Each ring is established a bulge loop on the eccentric lock body of this location lock and lock, this first and second compress plate the arc groove place then respectively be provided with one with the corresponding vertical groove of this bulge loop.