CN2893267Y

CN2893267Y - Elastic extending positioning device

Info

Publication number: CN2893267Y
Application number: CN 200620084396
Authority: CN
Inventors: 苗军
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-10
Filing date: 2006-05-10
Publication date: 2007-04-25
Anticipated expiration: 2016-05-10

Abstract

The utility model relates to an elastic shrinking positioning device which is provided with a moving part and a built-in fitment and used as an article of everyday use. The utility model is characterized in that the elastic shrinking positioning device comprises a built-in fitment 1, a moving part 3, and a spring 2; wherein, on the built-in fitment is provided with a guiding groove, the guiding groove are internally provided with an upper fixed point A1 and two lower fixed points A4 and A5, the guiding groove has the middle part provided with an 'L'-shaped positioning stop piece 5, the upper inflection point A2 of the stop piece are the upper fixed point A1 are opposite with some offset, the two endpoints A3 and A7 of the stop piece are opposite with the two fixed points A4 and A6 respectively with some offset, a protruding point A5 and the upper inflection point A2 are opposite with some offset, the moving part 3 moves in the guiding groove and forms a positioning matching with the upper fixed point and lower fixed points in the guiding groove and with the 'L' positioning stop piece. The utility model has the advantages of that the elastic shrinking positioning device merely consists of three parts, i.e. the built-in fitment, the moving part, and the spring, and therefore the structure is simple and compact, the manufacturing is easy, the cost is low, the volume is small, the travel is large, and the use is convenient. The utility model may be widely applied to the products needing a shrinking positioning, such as ball-point pens and fountain pens.

Description

The elastic telescopic positioning device

Technical field:

The utility model relates to the positioning device that has movable part and fixed block in the daily product, particularly a kind of elastic telescopic positioning device.

Background technique:

Having often needs use positioning device in the daily product of movable part and fixed block, as just using the elastic telescopic positioning device in the products such as ballpoint pen, electric switch, but present employed elastic telescopic positioning device common configuration complexity, connection is loose, part is more, also has the shortcoming that volume is big, stroke is short in addition.Extensively retrieve at the problems referred to above, still find no technological scheme related to the present invention.

Summary of the invention:

The purpose of this utility model is exactly the elastic telescopic positioning device of a kind of brand new that designs in order to solve the above-mentioned defective that exists in the prior art.

To achieve these goals, the utility model has adopted following technological scheme:

A kind of elastic telescopic positioning device, it is characterized in that it is made up of a fixed block and a movable part that matches with fixed block and the spring that links to each other, fixed block is provided with a guiding groove, be provided with a last fixed point and two following fixed points in the guiding groove, be provided with a lower convexity point in the middle of twice fixed points, the guiding groove middle part is provided with a L shaped location block piece, it is relative with last fixed point and be offset certain distance that block piece L shaped goes up flex point, two end points of block piece are fixed a point relative down with two respectively and are offset certain distance, it is relative and be offset certain distance that the raised points of guiding groove bottom and block piece L shaped goes up flex point, movable part is provided with directional post and guiding groove is slidingly matched, be provided with Returnning spring between movable part and the fixed block, its effect is to make directional post have the movement tendency of fixing a point in the sensing all the time.

Or movable part is provided with a guiding groove, be provided with a last fixed point and two following fixed points in the guiding groove, be provided with a lower convexity point in the middle of twice fixed points, the guiding groove middle part is provided with a L shaped location block piece, it is relative with last fixed point and be offset certain distance that block piece L shaped goes up flex point, two end points of block piece are fixed a point relative down with two respectively and are offset certain distance, it is relative and be offset certain distance that the raised points of guiding groove bottom and block piece L shaped goes up flex point, fixed block is provided with directional post and guiding groove is slidingly matched, be provided with Returnning spring between movable part and the fixed block, its effect is to make directional post have the movement tendency of fixing a point in the sensing all the time.

Basic structure according to above-mentioned elastic telescopic positioning device, can also expand its structure, promptly be provided with three fixed points down in guiding groove bottom, be provided with a raised points that makes progress between per two adjacent following fixed points, the guiding groove middle part is provided with two continuous L shaped block pieces, fixed point is relative and be offset certain distance down with three of guiding groove respectively for three lower extreme points of block piece, and flex points are relative with 2 raised points of guiding groove bottom respectively and be offset certain distance on 2 on 2 continuous L shaped block pieces; Perhaps be provided with following fixed point more than 3 and the raised points that makes progress thereof in guiding groove bottom, the guiding groove top is provided with going up more than 3 and fixes a point and downward raised points, last fixed point is relative with the raised points that makes progress of corresponding guiding groove bottom respectively and be offset certain distance, and following fixed point is relative with the downward raised points of corresponding guiding groove top respectively and be offset certain distance.

According to the basic structure of above-mentioned elastic telescopic positioning device, can also expand its structure, the last fixed point place of guiding groove is provided with a chute and communicates with guiding groove, and the upward fixed point of guiding groove moves on to the top of chute.

Owing to adopted technological scheme described in the utility model, only fixed block, movable part and three parts of spring make to the utlity model has advantage simple and compact for structure, easy to manufacture, with low cost, that volume is little, stroke is big, easy to use.In addition, can also expand a lot of other functions.

For the utility model is described in further detail, following accompanying drawing provides a most preferred embodiment of the present utility model.

Description of drawings:

Fig. 1 is the plan view of the utility model basic structure;

Fig. 2 is the A-A sound view of Fig. 1;

Fig. 3 is the schematic representation that structure shown in Figure 1 is used for tubular external member (inner core is a fixed block) structure;

Fig. 4 is the B-B sectional view of Fig. 3;

Fig. 5 is urceolus (fixed block) structural representation that structure shown in Figure 1 is used for the tubular external member;

Fig. 6 is the schematic representation that structure shown in Figure 1 is used for tubular external member (urceolus is a fixed block) structure;

Fig. 7 is first kind of distressed structure of the guiding groove in the structure shown in Figure 1;

Fig. 8 is second kind of distressed structure of the guiding groove in the structure shown in Figure 1;

Fig. 9 is the third distressed structure of the guiding groove in the structure shown in Figure 1, and this distressed structure is used for the schematic representation of tubular external member;

Figure 10 is the unfolding assumption diagram of the guiding groove in the structure shown in Figure 9;

Figure 11 is the 4th a kind of distressed structure of the guiding groove in the structure shown in Figure 1, and this distressed structure is used for the schematic representation of tubular external member;

Figure 12 is the unfolded drawing of the guiding groove of the 4th kind of distressed structure shown in Figure 11;

Embodiment:

Embodiment 1: as shown in Figure 1 and Figure 2, have the guiding groove 4 of peach shape in the fixed block 1, the top of guiding groove 4 and bottom are respectively equipped with fixed point A1, fix a point A4, A6 down, are provided with the raised points A5 that makes progress between following fixed point A4, the A6.Be provided with a L shaped block piece 5 at the middle part of guiding groove 4, the relative certain distance that also is offset of its last flex point A2 left with last fixed point A1; The relative certain distance that also is offset to the right of the right endpoint A3 of L shaped block piece 5 with the A4 that fixes a point down; The relative certain distance that also is offset to the right of the left end point A7 of L shaped block piece 5 with the A6 that fixes a point down; The relative certain distance that also is offset to the right of raised points A5 with last flex point A2.Directional post 3 on the movable part 3a is arranged on to be in the guiding groove 4 and is slidingly matched, and is provided with spring 2 between fixed block 1 and the movable part 3a, makes movable part 3a have the trend that moves upward all the time.Its working procedure is as follows: movable part 3a is subjected to downward external force, and the right side that the directional post 3 on it moves downward the last flex point A2 that runs into L shaped block piece 5 is lower slider to the right, falls into down fixed point A4 place, stop motion after crossing right endpoint A3; Remove external force this moment, and under the effect of spring 2, directional post 3 moves upward, and the inboard inboard and the supreme flex point A2 that moves upward of running into L shaped block piece 5 is in steady state; Apply external force this moment again, directional post 3 moves downward the left side of meeting raised points A5 and slides into down fixed point A6 place's stop motion; Remove external force this moment, and under the effect of spring 2, directional post 3 moves upward along the left side of guiding groove 4, finishes a movement process until last fixed point A1 place.

Embodiment 2: as shown in Figure 3, Figure 4, fixed block 1 is a sleeve, its cylndrical surface is provided with the guiding groove 4 of symmetry and the L shaped block piece 5 in the guiding groove, movable part 3a is a ring-shaped sleeve, which is provided with the directional post 3 of symmetry, and directional post 3 is slidingly matched with guiding groove, between fixed block 1 and movable part 3a, be provided with ring-spring 2, external force is unclamped then to pressing down movable part 3a one time, can make the directional post 3 on the movable part 3a be moved downward to the inboard and location of L shaped block piece; To pressing down movable part 3a one time, unclamp then, movable part 3a gets back to the initial position of fixed point again.Present embodiment can be widely used in the product of the flexible location of needs such as ballpoint pen, water-color paintbrush.

Perhaps as Fig. 5, shown in Figure 6, as fixed block 1, guiding groove 4 is arranged on the inwall of sleeve pipe with sleeve pipe, sleeve is as movable part 3a, the guiding groove 4 which is provided with on the inwall of directional post 3 and sleeve pipe is slidingly matched, and spring 2 is arranged on sleeve pipe, sleeve inner, also can reach identical effect.

Embodiment 3: as shown in Figure 7, on the basis of guiding groove shown in Figure 14, will go up fixed point A1 place and open, one section long and narrow chute 4a will be set, on the A1 that fixes a point then move to the top of chute, this structure can strengthen the stroke that movable part moves.

Embodiment 4: as shown in Figure 8, on the basis of Fig. 1 and Fig. 7, two continuous L shaped block piece 5 and 5a are set in guiding groove, a fixed point 4d and a raised points 4c are down set up in the bottom of guiding groove 4, this structure can strengthen the stroke of movable part motion on the one hand, can make the bottom of guiding groove produce the location twice on the other hand.

Embodiment 5: as Fig. 9, shown in Figure 10, on the basis of Fig. 3 and Fig. 7, guiding groove is deformed into a long and narrow and continuous waveform groove, be arranged on the cylndrical surface of fixed block 1, every section waveform groove has the 4h that fixes a point that goes up of a chute 4e who tilts and chute, the bottom of waveform groove is provided with two fixed point and upward fixed points that stagger mutually down, directional post 3 on the movable part 3a is slidingly matched in waveform groove, this structure can make movable part 3a produce repeatedly location, and movable part also produces and rotates in a circumferential direction simultaneously.

Embodiment 6: as Figure 11, shown in Figure 12, on the basis of Fig. 3 and Fig. 8, guiding groove is deformed into a long and narrow and continuous flexuose waveform groove, following toothed edge 4f and the toothed edge 5b of top skew certain distance so also can produce repeatedly location.Following toothed edge 4f and the toothed edge 5b of top can be understood as a plurality of fixed point and a plurality of L shaped block pieces that link to each other down of guiding groove among Fig. 8.Present embodiment and embodiment's 5 difference is that the stroke of movable part is shorter, and embodiment 5 guiding groove bottom can produce the location in addition.

Claims

1, a kind of elastic telescopic positioning device, it is characterized in that it reaches the spring that links to each other by a fixed block and a movable part that matches and forms, fixed block is provided with a guiding groove, be provided with a last fixed point and two following fixed points in the guiding groove, be provided with a raised points between twice fixed points, the guiding groove middle part is provided with a L shaped location block piece, it is relative with last fixed point and be offset certain distance that block piece L shaped goes up flex point, two end points of block piece are fixed a point relative down with two respectively and are offset certain distance, it is relative and be offset certain distance that the raised points of guiding groove bottom and block piece L shaped goes up flex point, movable part is provided with directional post and moves in guiding groove, and with guiding groove on, following fixed point and L shaped block piece form the location and cooperate.

2, elastic telescopic positioning device according to claim 1, it is characterized in that movable part is provided with a guiding groove, be provided with a last fixed point and two following fixed points in the guiding groove, be provided with a raised points in the middle of twice fixed points, the guiding groove middle part is provided with a L shaped location block piece, it is relative with last fixed point and be offset certain distance that block piece L shaped goes up flex point, two end points of block piece are fixed a point relative down with two respectively and are offset certain distance, it is relative and be offset certain distance that the raised points of guiding groove bottom and block piece L shaped goes up flex point, fixed block is provided with directional post and moves in guiding groove, and with guiding groove on, following fixed point and L shaped block piece form the location and cooperate.

3, elastic telescopic positioning device according to claim 1 and 2, its feature is provided with three fixed points down in guiding groove bottom, be provided with a raised points that makes progress between per two adjacent following fixed points, the guiding groove middle part is provided with two continuous L shaped block pieces, fixed point is relative and be offset certain distance down with three of guiding groove respectively for three lower extreme points of block piece, and two raised points that make progress are relative with the last flex point of L shaped block piece respectively and be offset certain distance.

4, elastic telescopic positioning device according to claim 3, it is characterized in that guiding groove bottom is provided with following fixed point more than 3 and the raised points that makes progress thereof, the guiding groove top is provided with going up more than 3 and fixes a point and downward raised points, fixed point is relative with the raised points that makes progress of corresponding guiding groove bottom respectively and be offset certain distance on each, and each is fixed a point relative with the downward raised points of corresponding guiding groove top respectively down and is offset certain distance.

5, elastic telescopic positioning device according to claim 1 and 2, the last fixed point place that it is characterized in that guiding groove is provided with a chute and communicates with guiding groove, guiding groove go up the top that fixed point moves on to chute.

6, elastic telescopic positioning device according to claim 3, the last fixed point place that it is characterized in that guiding groove is provided with a chute and communicates with guiding groove, guiding groove go up the top that fixed point moves on to chute.