CN2656692Y

CN2656692Y - Expansion rod

Info

Publication number: CN2656692Y
Application number: CN 03209110
Authority: CN
Inventors: 许培祥
Original assignee: Ching Feng Blinds Ind Co Ltd
Current assignee: Ching Feng Blinds Ind Co Ltd
Priority date: 2003-09-05
Filing date: 2003-09-05
Publication date: 2004-11-17
Anticipated expiration: 2013-09-05

Abstract

This utility model provides a telescopic handle which includes a fixed seat, a looper, an internal pipe and an external pipe, wherein one side of the fixed seat is provided with a base which is perforated with a hole in the center, and the periphery surface of the upper side of the fixed seat is provided in convex with an elastic block, while the lower side of the fixed seat is provided in convex with an arc support chip, in a proper position of the inner side of which is provided in convex with an arc rib forming a sleeve groove in the periphery of the base. In a proper position of a side of the looper is provided in concave with an annular caulking groove, the two sides of which are respectively provided in convex with an attach surface and a ring with a same diameter, while the other side of the looper is provided in convex with a column which is provided with a plurality of elastic ribs on the surface and has an external diameter which fits the internal pipe and the external pipe. The structure of the model can save materials and cost so that the utility model has good economic effect. Besides, the utility model is easy to be operated because the length can be regulated by horizontal drawing or pushing.

Description

Flexible rod

Technical field

The utility model provides a kind of flexible rod, refers to a kind of fixed base, support set, interior pipe and outer tube of comprising especially, can prevent the telescopic rod that comes off after few, the easy to operate and assembling of assembly element.

Background technique

The structure of general common flexible rod, shown in the user mode schematic representation of Fig. 1 tradition flexible rod and window frame, this flexible rod 10 comprises: interior bar 11, outer bar 12, resilient element 13, first extend combination member 14, extension rod 15 and second extends combination member 16.Wherein, resilient element 13 has end of release 131 and cardinal extremity 132, after this resilient element 13 is placed in interior bar 11, in two ends are fastened respectively and are fixed in, outer bar 11, an end of 12, and bar 11 covers are organized in outer bar 12 inside in the order, and ccontainingly in the space between the end of the cardinal extremity 132 of resilient element 13 and outer bar 12 1 ends combine first and extend combination member 14, this first extension combination member 14 constitutes for screwing togather element, and be provided with some calvus 141 in the rear and front end periphery, in the firm inwall that is incorporated into outer bar 12 of calvus 141, and an end of extension rod 15 is made as the binding end 151 that cooperates outer bar 12 internal diameters, second extends combination member 16 for constituting corresponding to first element that screws togather that extends combination member 14, and be respectively equipped with the calvus 161 that is same as the first extension combination member 14 in the rear and front end periphery, make second to extend in the inwall of binding end 151 that combination member 16 firmly is incorporated into extension rod 15 with this calvus 161, and first extends combination member 14 extends combination member 16 mutual corresponding being spirally connected with second, combines with an end of outer bar 12 for extension rod 15;

Above-mentioned conventional construction has following disappearance: the required assembly element of (one) flexible rod 10 is various, complicated, causes that cost of material is relative with processing cost to be improved, and do not meet economic benefit, and assembling is gone up loaded down with trivial details, consuming time; (2) this flexible rod 10 is to adjust length in the mode of positive and negative rotation, when user's desire is assembled flexible rod shortening or elongation and window (door) frame A, need earlier after one section of a sideway swivel, to know just whether the direction of rotation is correct, in case during the anisotropy of rotation, then need to do again the rotation of other direction, cause directivity to determine at once, cause operational inconvenience; (3) this flexible rod 10 only supports with the wall subsides of end faces of both sides and window and door frame, in a single day so the child is arranged when flexible rod is pullled for 10 times, the power that this flexible rod 10 promptly can be pullled drops, not only need to reinstall, also can injure the child, cause less stable, also have the misgivings on the safety.

The another kind of traditional flexible rod as shown in Figure 2 and the view that is used in combination of door and window, this flexible rod 20 comprises: parent tube 21, telescopic pipe 22, seat tube 23, pressure spring 24, head part 25 and overcoat 26, wherein telescopic pipe 22 penetrates in the parent tube 21 and scalable adjustment length, in inner end in conjunction with Camlock device (not drawing among the figure), press parent tube 21 inner edges telescopic pipe 22 and parent tube 21 are connected and fixed in order to rotate a direction, turn-off makes telescopic pipe 22 retractable in parent tube 21 in the other direction, and seat tube 23 is incorporated into location, parent tube 21 outer ends, be provided with inner core 231 in the center, and be combined into one with urceolus 232 the inners and form ring-type caulking groove 233, binding end 241 in order to chimeric pressure spring 24, its effect spring 242 is protruded from outside the seat tube 23, and an end of head part 25 is provided with the big slightly circular top flat 251 of diameter and stays on effect spring 242 tops, and inner edge central authorities extend and establish a button bar 252 with clasp 2521, fasten location, inner core 231 ends in order to pass pressure spring 24 with parent tube 21 centers, overcoat 26 is sleeved on the head part 25 and pressure spring 24 outsides.

Aforesaid flexible rod structure has following disappearance: the required assembly element of (one) flexible rod 20 is various, complicated, causes that cost of material is relative with processing cost to be improved, and does not meet economic benefit, and comparatively loaded down with trivial details, consuming time in the assembling; (2) this flexible rod 20 is to adjust length in the mode of positive and negative rotation, when user's desire is assembled flexible rod shortening or elongation and window (door) frame A, need earlier after one section of a sideway swivel, to know just whether the direction of rotation is correct, in case during the anisotropy of rotation, then need to do again the rotation of other direction, cause directivity to determine at once, cause operational inconvenience; (3) this flexible rod 20 only supports with the wall subsides of window (door) frame A with the overcoat 26 of both sides, in case the child is arranged when flexible rod is pullled for 20 times, the power that this flexible rod 20 promptly can be pullled and dropping, not only need to reinstall, also can injure the child, cause less stable, also have the misgivings on the safety.

Artificer of the present utility model is because the disappearance of above-mentioned conventional construction, is think and the idea of creation, satisfies with for many years experience and designed, and through inquiring in many ways and testing, releases the utility model finally.

Summary of the invention

Main purpose of the present utility model be to provide a kind of assembly element to reduce relatively and easily assembled rapidly, simple operation, and can prevent the flexible rod that come off by external force.

For reaching above-mentioned purpose, flexible rod provided by the utility model, it comprises: fixed base, support set, interior pipe and outer tube, wherein, one side of fixed base is provided with base, and has provided a through hole in the center, and the upside circumferential surface of fixed base is convexly equipped with a flexible block, downside is convexly equipped with the supporting plate of a circular arc, is convexly equipped with the embedding rib of a circular arc in the inboard appropriate position of supporting plate and forms a grooving in the periphery of base; One side appropriate position of support set is arranged with an annular caulking groove, is convexly equipped with the ring set and the attachment face of a same diameter respectively in the both sides of caulking groove, and the opposite side of support set is convexly equipped with the sleeve column that an external diameter and inner and outer pipe cooperatively interact, and the surface of sleeve column is equipped with plural elasticity rib.

Wherein, described interior pipe and outer tube pivot are mutually worn, and the annular caulking groove of support set and ring set can be nested in the embedding rib and the grooving of fixed base respectively.During assembling, earlier fixed base is posted by the wall appropriate position of window (door) frame, run through into through hole and wall interlocking knot mutually with screw again, make fixed base be positioned on the wall of window (door) frame, after interior pipe and the mutual pivot of outer tube being worn subsequently, the relative outside of the cover column sleeve of support set being clamp-oned inner and outer pipe is supported to end face and is terminated in attachment face, at this moment, the elasticity rib is that tight bullet supports in the inner and outer pipe inwall, can finish assembling; It is when using, only need inner and outer pipe is done horizontal stretching (or pushing) to suitable length according to the width of window (door) frame, the both sides support set can be pushed away from top to bottom along the circumferential surface of base and the pressure elasticity block is nested in the embedding rib and the grooving of fixed base respectively to the caulking groove and the collar, this moment, the end face of flexible block promptly kept off the upper peripheral edge face that is butted on support set, make the end face of support set and inner and outer pipe paste to being fixed in supporting plate and flexible block, can prevent that inner and outer pipe is subjected to pushing away of external force or presses and up or down break away from fixed base, reaches preferable user mode.

In sum, flexible rod of the present utility model has the following advantages:

1, only need fixed base and support set to assemble flexible rod of the present utility model with inner and outer pipe, assembly element reduces relatively, and then saves cost of material and processing cost, reaches economic benefit, and more simple and easy, rapid in the assembling;

2, flexible rod of the present utility model is to adjust length with horizontal stretching (or pushing), and its direction of operating can be determined rapidly, and is easy and simple to handle;

Because the setting of supporting plate and flexible block, can prevent that inner and outer pipe is subjected to pushing away of external force or presses and up or down break away from fixed base, thereby reach preferable user mode when 3, flexible rod of the present utility model uses.

Description of drawings

Fig. 1 is the user mode schematic representation of traditional flexible rod and window (door) frame.

Fig. 2 is the user mode schematic representation of another kind of traditional flexible rod and window (door) frame.

Fig. 3 is the perspective exploded view of the utility model flexible rod.

Fig. 4 is the combination action schematic representation of the utility model flexible rod.

Fig. 5 is the user mode schematic representation of the utility model flexible rod.

Embodiment

Existing conjunction with figs., and enumerate of the present utility model one concrete preferred embodiment, it is as follows to describe structure of the present utility model and effect in detail:

Perspective exploded view of the present utility model as shown in Figure 3, this flexible rod 30 comprises: fixed base 31, support set 32, interior pipe 33 and outer tube 34.Wherein, one side of fixed base 31 is provided with base 311, provide a scalariform through hole 312 in the center, the upside circumferential surface is convexly equipped with a flexible block 313, downside is convexly equipped with the supporting plate 314 of a circular arc, is convexly equipped with the embedding rib 315 of a circular arc in the inboard appropriate location of supporting plate 314 and forms a grooving 316 in the circumferential surface of base 311; One side appropriate location of support set 32 is arranged with an annular caulking groove 321, convex with the collar 322 and the attachment face 323 of same diameter respectively in the both sides of caulking groove 321, the opposite side of support set 32 is convexly equipped with the sleeve column 324 that an external diameter and inner and

outer pipes

33,34 cooperatively interact, and the surface of sleeve column 324 ring is established plural elasticity rib 3241.

During combination, combination action schematic representation of the present utility model as shown in Figure 4, earlier fixed base 31 is posted by one by one the wall appropriate position of window (door) frame, again with screw 35 run through into through hole 312 and with wall interlocking knot mutually, make fixed base 31 be positioned on the wall of window (door) frame A, after interior pipe 33 being worn with outer tube 34 mutual pivots subsequently, the sleeve column 324 of support set 32 being overlapped one by one the relative outside of clamp-oning inner and

outer pipe

33,34 supports to end face and terminates in attachment face 323, at this moment, elasticity rib 3241 is that tight bullet supports in the inwall of inner and

outer pipe

33,34, can finish assembling; It is when using, only need with in,

outer tube

33,34 do horizontal stretching (or pushing) to suitable length according to the width of window (door) frame A, both sides support set 32 can be pushed away from top to bottom along the circumferential surface of bases 311 and pressure elasticity block 313 is nested in the embedding rib 315 and the grooving 316 of fixed base 31 respectively to the caulking groove 321 and the collar 322, this moment, the end face of flexible block 313 promptly kept off the upper peripheral edge face that is butted on support set 32, make support set 32 and in,

outer tube

33,34 end face pastes to support and is fixed in supporting plate 314 and flexible block 313 (shown in Fig. 5 user mode schematic representation of the present utility model), in can preventing,

outer tube

33,34 are subjected to pushing away or pressing and up or down break away from fixed base 31 of external force, reach preferable user mode.

The above only is a preferred embodiment of the present utility model, can not limit practical range of the present utility model with this, and the equalization of doing according to this novel content changes and modifies generally, all should be covered by in the protection domain of the present utility model.

In sum, the utility model has reached breakthrough structure really, has the novel content of improvement, can reach simultaneously utilization and progressive on the industry again, and the utility model is not indicated in any publication, has novelty, and the whence proposes the application in accordance with the law.

Claims

1, a kind of flexible rod, it is characterized in that, comprise: fixed base, support set, interior pipe and outer tube, wherein, one side of fixed base is provided with base, and has provided a through hole in the center, and the upside circumferential surface of fixed base is convexly equipped with a flexible block, downside is convexly equipped with the supporting plate of a circular arc, is convexly equipped with the embedding rib of a circular arc in the inboard appropriate position of supporting plate and forms a grooving in the periphery of base; One side appropriate position of support set is arranged with an annular caulking groove, is convexly equipped with the ring set and the attachment face of a same diameter respectively in the both sides of caulking groove, and the opposite side of support set is convexly equipped with the sleeve column that an external diameter and inner and outer pipe cooperatively interact, and the surface of sleeve column is equipped with plural elasticity rib.

2, the described flexible rod of claim 1 is characterized in that, the mutual pivot of interior pipe and outer tube is worn, and the annular caulking groove of support set and ring set can be nested in the embedding rib and the grooving of fixed base respectively.