CN201314328Y

CN201314328Y - Positioning device

Info

Publication number: CN201314328Y
Application number: CNU2008202157464U
Authority: CN
Inventors: 林乐尧
Original assignee: Kunshan Qianduan Electronics Co Ltd
Current assignee: Kunshan Qianduan Electronics Co Ltd
Priority date: 2008-11-27
Filing date: 2008-11-27
Publication date: 2009-09-23
Anticipated expiration: 2018-11-27

Abstract

The utility model relates to a positioning device which comprises a shaft tube, a shaft body and a fixing plate with a fixing hole. The shaft tube wall and the one side of the fixing plate are connected into a whole; one end of the shaft body is connected with the fixing plate, and the other end thereof passes through the shaft tube; a through hole is formed on the shaft body which passes through the shaft tube; a positioning pin is matched inside the through hole and has the length which is larger than the internal diameter of the shaft tube and smaller than the external diameter of the shaft tube; one end of the positioning pin is larger than the aperture of the through hole, and the end of the positioning pin inserted into the through hole passes through the inner hole of the shaft tube; and the positioning pin spans on the tube wall of the shaft tube inner hole. The positioning pin passing through the through hole of the shaft body can prevent the shaft body and the shaft tube from transverse dislocation; when the relative rotation of the shaft tube and the shaft body stops, the end part of the positioning pin butts against the fixing plate or a barrier, so as to restrict the rotation angle of the shaft tube and the shaft body.

Description

Positioning device

Technical field

The utility model relates to a kind of positioning device, especially is applied in the electronic product member positioning device when rotating relatively as it.

Background technique

At present, at the common electronic product that is used for, there is the electronic product that articulates between a large amount of body needs and the screen, for example: mobile computer, mobile communication device, digital camera and digital camera or the like, use for convenient, body and screen be provided with a location device between body and screen, so that can be opened and closure

General common two born of the same parents' ring set spare positioning devices as shown in Figure 1, main system comprises an a pair of born of the same parents ring set spare 11 and an axis body 12, two born of the same parents' ring set spare 11 1 sides are by dull and stereotyped and fixed plate 112, another dull and stereotyped side-line oppositely is bent with two central siphons 113, its axis body 12 passes this two central siphon 113 in regular turn, and be located in two born of the same parents' ring set spares 11, axis body 12 can be rotated in central siphon 113.Simultaneously, when axis body 12 passes central siphon 113, establish a C type ring 121 in the end group of axis body 12 usually, prevent two born of the same parents' ring set spares 11 and axis body 12 slippage in counterrotating process, therefore, C type ring 121 itself only has anti-loose effect.This pair of born of the same parents' ring set spare pivot 1 can not limit angle of swing, can't locate the optimal viewing angle between body and the screen, causes the inconvenience of using.

Summary of the invention

The purpose of this utility model is: what exist in using at existing two born of the same parents' ring set spare positioning devices can not limit angle of swing, can't locate the optimal viewing angle between body and the screen, causes the practical problem of the inconvenience used, and a kind of new positioning device is provided.

The purpose of this utility model is achieved in that a kind of positioning device, it comprises central siphon, axis body and the fixed plate that contains fixed hole, it is characterized in that: a side of central siphon wall and described fixed plate is connected as a single entity, one end of axis body is connected with fixed plate, the other end passes central siphon, the axis body that passes central siphon is provided with perforation, is furnished with locating stud in the perforation, the length of described locating stud is greater than the internal diameter of central siphon, external diameter less than central siphon, one end of locating stud is greater than the aperture of boring a hole on the axis body, and the endoporus of central siphon is passed through in the locating stud end of inserting perforation, and locating stud is on the tube wall of central siphon endoporus.

In the technical solution of the utility model: perforation is positioned at the axis body end of passing central siphon.

In the technical solution of the utility model: described central siphon can be two central siphons of coaxial setting, has the gap between two central siphons, and axis body passes two central siphons, and a perforation on the axis body is positioned at the axis body middle part, corresponding to the gap location between two central siphons.Also can on the axis body two perforation be set, one is positioned at the axis body middle part corresponding to the gap location between two central siphons, and another is positioned at the end of axis body.

In technique scheme of the present utility model: axis body rotates when stopping, and the end of locating stud is resisted against fixed plate.

In technique scheme of the present utility model: the cannelure that contains perforation on the tube wall of described central siphon, the width of cannelure is less than the diameter of locating stud, extend to form fixed plate after the one side pipe wall bending of cannelure, the end outer rim that the opposite side tube wall of cannelure is corresponding with locating stud is provided with the stopper part, axis body rotates when stopping, and the end of locating stud is resisted against the stopper part.

In technique scheme of the present utility model: when two central siphons that adopt coaxial setting, and two perforation are set on the axis body, one is positioned at the axis body middle part corresponding to the gap location between two central siphons, another is positioned at the end of axis body, stopper part on two central siphons can lay respectively on the different rotary angle of axis body, axis body rotates when stopping, and the end of one of them locating stud is resisted against corresponding stopper part.

Advantage of the present utility model is: because the utility model has adopted locating stud in the perforation of axis body, the length of locating stud is greater than the aperture of central siphon, can prevent the horizontal changing of the relative positions of axis body and central siphon, central siphon and axis body can slippages in counterrotating process; Because axis body rotates when stopping, the end of locating stud is resisted against the fixed plate that is solidified as a whole with central siphon, the angle when limiting the two rotation; Or the stopper part that on central siphon, is provided with, axis body rotates when stopping, and the end of locating stud is resisted against this stopper part, the angle when limiting the two rotation; Or two stopper part on the central siphon be positioned at respectively on the different rotary angle of axis body, axis body rotates when stopping, the end of one of them locating stud is resisted against corresponding stopper part, the angle when limiting the two rotation.

Description of drawings

Fig. 1 is the perspective exploded view of traditional two born of the same parents' ring set spare positioning devices;

Fig. 2 is that the utility model embodiment is installed on the user mode schematic representation in the notebook computer;

Fig. 3 is the utility model embodiment's a perspective exploded view;

Fig. 4 is the A-A position sectional view of Fig. 2;

Fig. 5 is a kind of embodiment's of relating in the utility model a composite structure schematic representation;

Fig. 6 is the B-B position sectional view of Fig. 5;

Fig. 7 is the another kind of embodiment's that relates in the utility model a perspective exploded view;

Fig. 8 is that Fig. 7 assembles C-C position, back sectional view;

Fig. 9 is another embodiment's of relating in the utility model a composite structure schematic representation;

Figure 10 is the D-D position sectional view of Fig. 9;

Figure 11 is another embodiment's of relating in the utility model a perspective exploded view;

Figure 12 is that Figure 11 assembles E-E position, back sectional view;

Figure 13 is another embodiment's of relating in the utility model a perspective exploded view;

Figure 14 is that Figure 13 assembles F-F position, back sectional view.

Among the figure: 1, traditional double born of the same parents ring set spare positioning device; 11, two born of the same parents' ring set spares; 112, fixed plate; 113, central siphon; 12, axis body; 121, C type ring; 2, positioning device of the present utility model; 21, ring set spare; 211, fixed plate; 212, central siphon; 213, fixed hole; 214, stopper part; 215, gap; 22, shaft component; 221, fixed plate 222, axis body; 223, perforation; 224, fixed hole; 23, locating stud 231, locating stud end 3, notebook computer; 31, body; 32 screen boards.

Embodiment

Accompanying drawing 2～14 discloses the utility model embodiment's concrete structure without limitation, and the utility model will be further described below in conjunction with accompanying drawing.

As seen from Figure 2, positioning device 2 of the present utility model is connecting parts of being located at the body 32 and the screen board 31 of electronic equipment, for example: mobile computer, mobile communication device, digital camera and digital camera or the like, in the present embodiment, positioning device 2 of the present utility model is connecting parts of being located at the body 32 and a screen board 31 of notebook computer 3, is used for raising relatively or closing.

By Fig. 3 and Fig. 4 as seen, ring set spare 21 in the positioning device 2 comprises fixed plate 211 and two central siphons 212, central siphon 212 a side and fixed plate 211 be connected as a single entity, the cannelure that contains perforation on the tube wall of central siphon 212, extend to form fixed plate 211 after the one side pipe wall bending of cannelure, and be provided with two fixed holes 213 on the fixed plate 211 at least, be used for being connected with body 32 lateral margins of notebook computer 3.

Shaft component 22 comprises axis body 222, one end of axis body 222 is connected with at least one fixed plate 221, the axis body 222 that passes central siphon 212 is provided with perforation 223, and bore a hole 223 are centers of circle of radially running through whole axostylus axostyle 222, at least be provided with two fixed holes 224 on the fixed plate 221 in the shaft component 22, be used for being connected with screen board 32 lateral margins of notebook computer 3.

Be furnished with locating stud 23 in the perforation 223, the length of described locating stud 23 is greater than the internal diameter of central siphon 212, and less than the external diameter of central siphon 212, simultaneously, an end 231 of locating stud 23 is greater than the aperture of perforation 223 on the axis body 222.

During assembling, the axis body 222 of shaft component 22 is worn in regular turn in each central siphon 212 of ring set spare 21, the endoporus of central siphon 212 is passed through in locating stud 23 ends that locating stud 23 is inserted perforation 223 again, and locating stud 23 is on the tube wall of central siphon 212 endoporus.When shaft component 22 rotates with respect to ring set spare 21, its locating stud 23 can rotate along with shaft component 22, because the end that locating stud 23 protrudes, can rely on (see figure 4) on the fixed plate 211 of ring set spare 21, and the state of formation block, and then limit the angle of shaft component 22 with respect to 21 rotations of ring set spare.

During concrete enforcement, the width of the cannelure on the central siphon 212 is less than the diameter of locating stud 23.

By Fig. 5, Fig. 6 as seen, present embodiment and Fig. 3 difference embodiment illustrated in fig. 4 only is: the end outer rim of the corresponding locating stud 23 of the tube wall of central siphon 212 is provided with stopper part 214, and its stopper part 214 can be by changing width or in the succeed mode of position of end outer rim, can both changing or limit the scope of angle of swing.

By Fig. 7, Fig. 8 as seen, present embodiment and Fig. 3 difference embodiment illustrated in fig. 4 only is: the perforation 223 in the axis body 222 is positioned at 215 places, gap of two central siphons 212.

By Fig. 9, Figure 10 as seen, present embodiment and Fig. 7 difference embodiment illustrated in fig. 8 only is: the end outer rim of the corresponding locating stud 23 of the tube wall of central siphon 212 is provided with stopper part 214.

By Figure 11, Figure 12 as seen, present embodiment and Fig. 3 difference embodiment illustrated in fig. 4 only is: also have a perforation 223 to be positioned at the axis body middle part on the axis body 222, this perforation 23 is corresponding to the gap location between two central siphons.Present embodiment be actually Fig. 3 embodiment illustrated in fig. 4 with by Fig. 7, stack embodiment illustrated in fig. 8.

By Figure 13, Figure 14 as seen, present embodiment and Figure 11 difference embodiment illustrated in fig. 12 only is: the tube wall of two central siphons 212 and locating stud 23 corresponding end outer rims are equipped with stopper part 214, wherein, stopper part 214 on two central siphons 212 can lay respectively on the different rotary angle of axis body 222, axis body 222 rotates when stopping, and the end 231 of one of them locating stud 23 is resisted against corresponding stopper part 214.

The above each embodiment is not in order to limiting protection domain of the present utility model, as: change the length of locating stud, or the stopper part that changes on the central siphon is provided with the position, protection category of the present utility model; Equally, make equivalence or variation easily, all should be covered by in the claim of the present utility model with the habitual technological means in related domain.

Claims

1, a kind of positioning device, the fixed plate that it comprises central siphon, axis body and contains fixed hole, it is characterized in that: a side of central siphon wall and described fixed plate is connected as a single entity, one end of axis body is connected with fixed plate, the other end passes central siphon, the axis body that passes central siphon is provided with perforation, is furnished with locating stud in the perforation, the length of described locating stud is greater than the internal diameter of central siphon, external diameter less than central siphon, one end of locating stud is greater than the aperture of boring a hole on the axis body, and the endoporus of central siphon is passed through in the locating stud end of inserting perforation, and locating stud is on the tube wall of central siphon endoporus.

2, positioning device according to claim 1 is characterized in that: perforation is positioned at the axis body end of passing central siphon.

3, positioning device according to claim 1, it is characterized in that: described central siphon is two central siphons of coaxial setting, has the gap between two central siphons, and axis body passes two central siphons, a perforation on the axis body is positioned at the axis body middle part, corresponding to the gap location between two central siphons.

4, positioning device according to claim 3 is characterized in that: also have a perforation to be positioned at the end of axis body on the axis body.

5, according to claim 1 or 2 or 3 or 4 described positioning devices, it is characterized in that: axis body rotates when stopping, and the end of locating stud is resisted against fixed plate.

6, according to claim 1 or 2 or 3 described positioning devices, it is characterized in that: the cannelure that contains perforation on the tube wall of described central siphon, the width of cannelure is less than the diameter of locating stud, extend to form fixed plate after the one side pipe wall bending of cannelure, the end outer rim that the opposite side tube wall of cannelure is corresponding with alignment pin position is provided with the stopper part, axis body rotates when stopping, and the end of locating stud is resisted against the stopper part.

7, positioning device according to claim 4, it is characterized in that: contain cannelure on the tube wall of described central siphon, extend to form fixed plate after the one side pipe wall bending of cannelure, the end outer rim that the opposite side tube wall of cannelure is corresponding with locating stud is provided with the stopper part, wherein the stopper part on two central siphons is positioned at respectively on the different rotary angle of axis body, axis body rotates when stopping, and the end of one of them locating stud is resisted against corresponding stopper part.