CN200986793Y

CN200986793Y - Advertisement coiling picture cylinder with spring self-locking device

Info

Publication number: CN200986793Y
Application number: CN 200620077956
Authority: CN
Inventors: 孙晓球
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-15
Filing date: 2006-09-15
Publication date: 2007-12-05
Anticipated expiration: 2016-09-15

Abstract

According to the problems that to take preassembly is hard for the prior roll painting tube and the tube will lose the usage once elastic of the spring is lost, the utility model designs a roll painting tube for advertisement with a spring auto-locking device which provides convenience for changing picture and no chance for operation error as well as opportunity for customer to preload the spring. The utility model comprises an external tube (1), a cylinder (2) fixed in the external tube (1). Inner shaft (3) covered by a spring (4) is fixed in the cylinder (2). An end of the spring (4) is connected with driving end of the inner shaft (3), while the other end is directly or indirectly connected with the cylinder (2). The utility model is characterized in that driving end of the inner shaft is connected with a unidirectional driving device (5). The utility model has advantages of simple structure and convenient operation as well as automatic regulation of tightness according to requirement of customer.

Description

The advertisement volume scroll holder that has spring self-locking device

Technical field

The utility model relates to advertisement article, and especially a kind of advertisement poster is showed, the collection articles for use, specifically a kind of advertisement volume scroll holder that has spring self-locking device.

Background technology

At present, countries in the world be in order all will to hold a large amount of exhibitions the every year that exchanges with technology, product that promotes the development of economy, and businessman, enterprise are in order to propagate, to push the sale of one's products or the also numerous and confused active response of technology.For the advertising effect of obtaining, each exhibiter exerts to have made the advertising of a large amount of finenesses one after another and uses picture, and wishes can reuse or can be carried to on-the-spot Fast Installation easily.People have designed volume scroll holder miscellaneous for this reason, this class volume scroll holder is generally by urceolus, cylinder, interior axle and spring are formed, spring location after needing during use in advance spring to be tightened and will tightening by corresponding latch, make it to produce elastic force, have only when the advertisement poster that needs package is connected with paper injection on the cylinder and just can take off latch after finishing, advertisement poster is wrapped on the cylinder under the effect of spring, also must adjust the spring of spring when pre-installing in addition according to client's needs, difficulty is bigger when therefore pre-installing, if careless or maloperation, before installing advertisement poster, latch is dialled down, then user oneself can't make spring recover elastic force, influence client's normal use, on the other hand, because the elastic force of spring mixes up in advance, therefore the length and the thickness of advertisement poster can influence actual use, elastic force deficiency when the length of advertisement poster or thickness increase promptly can occur, the excessive problem of elastic force during minimizing usually has influence on user's normal use.

Summary of the invention

In case to be the prepackage difficulty that exists at existing volume scroll holder big and spring loses the problem that elastic force just can't use for the purpose of this utility model, design and a kind ofly can carry out pretension to spring voluntarily by the user, can not produce maloperation, and change the advertisement volume scroll holder that picture has spring self-locking device easily.

The technical solution of the utility model is:

A kind of advertisement volume scroll holder that has spring self-locking device, comprise urceolus 1, cylinder 2, cylinder 2 is installed in the urceolus 1, axle 3 in being equipped with in the cylinder 2, be set with spring 4 on the interior axle 3, one end of spring 4 links to each other with the drive end of interior axle 3, and the other end of spring 4 directly or indirectly links to each other with cylinder 2, and the drive end of axle 3 is connected with a unidirectional drive device 5 in it is characterized in that.

The utility model has also further been taked following technical measures:

Described unidirectional drive device 5 is made up of lock core 501, lock ring 502, roller or ball 503, one end of lock core 501 inserts in the lock ring 502, and between lock ring 502 and lock core 501, form the mounting hole 506 that is used to install roller or ball 503 that a gap changes at least, the other end of lock core 501 is provided with a plug-in unit or a jack 504 that matches with the drive end of interior axle 3, is provided with boss or the jack 505 that matches with actuator on the relative end of lock core 501 and lock ring 502.

The quantity of described mounting hole 506 is 1-9.

The plug-in unit that the drive end of described and interior axle 3 matches or the profile of jack 504 are hexagon.

In the pilot hole 7 that matches on the end cap 6 of described lock ring 502 or insertion urceolus 1, or directly be fixed on the end cap 6.

Described, an end of spring 4 links to each other with cylinder 2 by collar 8, and an end of spring 4 is fixed in the collar 8, and collar 8 is installed in the cylinder 2.

The other end relative with drive unit 5 is installed of described cylinder 2 is provided with axial spline hole 9, and cylinder 2 is realized relative positioning by the latch in this spline hole 9 of insertion of passing urceolus 1.

The utlity model has following advantage:

1, the utility model successfully solved the client use in a common difficult problem, the client is the elastic force of regulating spring and the length of advertisement poster as required, has reduced fabricator's installation procedure simultaneously, can save the pretension process of spring.

2, simple in structure, easy to use, only need to use latch to make cylinder remain static and can under any state, change advertisement picture with respect to urceolus.

3, of many uses, easy to carry, draw applicable to the reel of each class formation.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the K-K of Fig. 1 is to the sectional structure synoptic diagram.

Fig. 3 is the left view of Fig. 1.

Fig. 4 is the structural representation of unidirectional drive device of the present utility model.

Fig. 5 is the structural representation of lock core of the present utility model.

Fig. 6 is the left view of Fig. 5.

Fig. 7 is the right view of Fig. 5.

Fig. 8 is the H-H cut-open view of Fig. 7.

Fig. 9 is the urceolus end cover structure synoptic diagram of the drive end of the utility model embodiment.

Figure 10 is the structural representation of another end cap of the urceolus of the utility model embodiment.

Embodiment

Following structure drawings and Examples are further described the utility model.As shown in Figure 1.

A kind of advertisement volume scroll holder that has spring self-locking device, comprise urceolus 1, cylinder 2, cylinder 2 is installed in the urceolus 1, axle 3 in being equipped with in the cylinder 2, be set with spring 4 on the interior axle 3, one end of spring 4 links to each other with the drive end of interior axle 3, the other end of spring 4 links to each other with cylinder 2 by collar 8, one end of spring 4 is fixed in the collar 8, collar 8 is installed in the cylinder 2, the other end of cylinder 2 is provided with axial spline hole 9, cylinder 2 is realized relative positioning by the latch in this spline hole 9 of insertion of passing urceolus 1, as shown in Figure 1, the drive end of interior axle 3 is connected with one by lock core 501, lock ring 502, the unidirectional drive device 5 that roller or ball 503 are formed, one end of lock core 501 inserts in the lock ring 502, and between lock ring 502 and lock core 501, form three and (also can be any number between the 1-9, even also can use greater than the gap of 9 above numbers) mounting hole 506 that is used to install roller or ball 503 that changes of gap, the other end of lock core 501 is provided with a jack 504 that matches with the drive end of interior axle 3, on the relative end of lock core 501 and lock ring 502, be provided with the hexagon jack 505 that the available hex wrench that matches with actuator drives its rotation and (also can be boss, this moment, actuator should adopt the interior angle spanner), as Fig. 4,5,6,7, shown in 8.Lock ring 502 inserts in the pilot hole 7 (as Fig. 2,9) that matches on the end cap 6 of urceolus 1, and lock ring also can directly be fixed on the end cap 6, makes an integral body with end cap 6.

The course of work of the present utility model is as follows:

At first using special spanner to pass end cap 6 inserts in the jack 505 on the lock cores 501 and clockwise rotates lock core 501, drive end on jack 504 on the other end of lock core 501 and the interior axle 3 (can adopt flat axle, correspondingly jack 504 is the square flat hole that matches) matching to merge drives interior axle 3 rotations, interior axle 3 drives springs 4 and rotates, because the other end of spring 4 is fixed on the cylinder 2, and this moment cylinder 2 because the effect of latch is in stationary state, therefore the torsion of spring 4 generations increases along with the increase of the number of turns of lock core 501 rotations, meanwhile, because the effect of roller or ball 503, even rotational lock core 501, lock core 501 can not reverse because of the effect of spring force yet, therefore, the big I of spring force is determined arbitrarily as required, the paper injection that exposes on advertisement poster that can will be to be showed after spring 4 tightens and the urceolus 1 links to each other, then the latch on the end cap 10 is pulled up, this moment, cylinder 2 was done rapidly to be involved in advertisement poster in the urceolus rapidly around the rotation of interior axle 3 under the effect of spring force, promptly finish the installment work of advertisement poster, only need during displaying advertisement poster is outwards pulled out from urceolus 1, drive rotation (because the jack 504 of flat axle insertion lock core 501 one ends of interior axle 3 one ends of cylinder 2 works in the process that advertisement poster outwards stretches with respect to interior axle 3, lock core 501 is on the unidirectional end cap 6 that is fixed on urceolus 1 under the effect of lock ring 502 and roller or spin 503, remain static with respect to cylinder, axle 3 can only be done the rotation of a direction promptly under the effect of one-way drive mechanism 5), cylinder 2 drives spring 4 and rotates generation torsion, when unclamping advertisement poster, the i.e. resilience rapidly under the effect of this torsion of advertisement poster, so the elasticity of advertisement poster can be regulated automatically according to the length of chief's advertisement poster.

When needs are changed advertisement poster, the paper injection that advertisement poster is pulled out on cylinder 2 need go out outside the urceolus 1, only need this moment latch is inserted in the pilot hole 9 of cylinder 2 ends the corresponding jack 11 (as Fig. 3,10) from the end cap 10 of urceolus 1, cylinder 2 is remained static with respect to urceolus 1, unclamp the hand of holding advertisement poster, though cylinder 2 is subjected to the effect of spring force, but because the spacing of latch can't be rotated, can take former advertisement poster off this moment, change new advertisement poster, pull up latch again and can use.

The utility model does not relate to part, and is all same as the prior art as the installation of paper injection, the opening of urceolus etc.

For those skilled in the art, concrete one-way drive mechanism described in the present embodiment can have multiple version, no matter but how it to change, so long as will utilize the unidirectional drive principle to realize that each class formation to the control of volume scroll holder spring force all is considered to be encompassed among the utility model.

Claims

1, a kind of advertisement volume scroll holder that has spring self-locking device, comprise urceolus (1), cylinder (2), cylinder (2) is installed in the urceolus (1), it is characterized in that being equipped with in the cylinder (2) interior axle (3), be set with spring (4) on the interior axle (3), one end of spring (4) links to each other with the drive end of interior axle (3), and the other end of spring (4) directly or indirectly links to each other with cylinder (2), it is characterized in that the drive end of interior axle (3) is connected with a unidirectional drive device (5).

2, the advertisement volume scroll holder that has spring self-locking device according to claim 1, it is characterized in that described unidirectional drive device (5) is by lock core (501), lock ring (502), roller or ball (503) are formed, one end of lock core (501) inserts in the lock ring (502), and between lock ring (502) and lock core (501), form the mounting hole (506) that is used to install roller or ball (503) that a gap changes at least, the other end of lock core (501) is provided with a plug-in unit or a jack (504) that matches with the drive end of interior axle (3), is provided with boss or the jack (505) that matches with actuator on lock core (a 501) end relative with lock ring (502).

3, the advertisement volume scroll holder that has spring self-locking device according to claim 2, the quantity that it is characterized in that described mounting hole (506) is 1-9.

4, the advertisement volume scroll holder that has a spring self-locking device according to claim 2 is characterized in that the plug-in unit that the drive end of described and interior (3) matches or the profile of jack (504) are hexagon.

5, the advertisement volume scroll holder that has spring self-locking device according to claim 2 in the pilot hole (7) that it is characterized in that matching on the end cap (6) of described lock ring (502) or insertion urceolus (1), or directly is fixed on the end cap (6).

6, the advertisement volume scroll holder that has spring self-locking device according to claim 1, it is characterized in that described, one end of spring (4) links to each other with cylinder (2) by collar (8), and an end of spring (4) is fixed in the collar (8), and collar (8) is installed in the cylinder (2).

7, the advertisement volume scroll holder that has spring self-locking device according to claim 1, the other end relative with drive unit (5) is installed that it is characterized in that described cylinder (2) is provided with axial spline hole (9), and cylinder (2) is realized relative positioning by the latch in this spline hole (9) of insertion of passing urceolus (1).