CN201439854U

CN201439854U - Clamping device

Info

Publication number: CN201439854U
Application number: CN2009203039008U
Authority: CN
Inventors: 万峰
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2009-06-02
Filing date: 2009-06-02
Publication date: 2010-04-21
Anticipated expiration: 2019-06-02

Abstract

The utility model relates to a clamping device for clamping the mobile phone, which comprises a base and a clamping arm which is matched with a base and is capable of moving on a base. The base is provided with a spring butting against the clamping arm, the first gear with a small circumference radius, the second gear with a large circumference radius and a ratchet wheel butting against the second gear. The bottom end of the clamping arm is provided with a rack meshing with the first gear. According to the arrangement, the linear speed difference generated by the circumference radius difference of the first gear and the second gear can be used to realize the tight clamping of the clamping arm and the stability of pop-up speed. At the same time, the ratchet wheel is used to brake and the adjustment of clamping force and range is realized.

Description

Holding device

[technical field]

The utility model relates to a kind of holding device, relates in particular to a kind of holding device with rotational structure.

[background technique]

The prior art relevant with the utility model can be consulted a kind of holding device that is disclosed in the U.S. patent of invention US5836563 of on November 17th, 1998 bulletin, it comprises pedestal, be installed on the gear on the pedestal, holding limb that matches with gear and engagement arm, be respectively equipped with the tooth bar that is meshed with gear on described holding limb and the engagement arm, described holding device comprises that also two ends are installed on the spring on pedestal and the holding limb respectively, reach the purpose of clamping by the engagement between the rack and pinion, utilize the effect of the elastic force realization clamping of spring simultaneously, in this kind technological scheme, the speed of clamping is because unstable state appears in the elastic force effect of spring easily, and do not have braking device in this technological scheme, so can't realize clamping the adjusting of strength and scope.

Therefore, be necessary existing holding device is transformed to overcome above-mentioned defective.

[model utility content]

The holding device that provides a kind of clamping stable is provided the purpose of this utility model.

For achieving the above object, the utility model adopts following technological scheme: a kind of holding device, in order to the clamping electronic equipment, it comprises base, that match with base and can on base, move with the holding limb of clamping electronic equipment and be installed in the base and be held on base and holding limb between spring, the first less gear of radius of a circle also is installed on the described base, bigger and second gear that rotate simultaneously with first gear of radius of a circle and compress mutually to prevent the rotating ratchet of second gear with second gear, the bottom of described holding limb is provided with the tooth bar that is meshed with first gear.

Compared with prior art, the utlity model has following beneficial effect: by the ratchet that the second bigger gear of radius of a circle less first gear, radius of a circle is set and matches with second gear, so be provided with, the linear speed difference that can utilize the difference of first, second circumference of gear radius and produce can realize the stable of the holding limb clamping and the speed of ejection, utilize the ratchet braking simultaneously, realize clamping the adjusting of strength and scope.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model holding device.

Fig. 2 is the three-dimensional exploded view of the utility model holding device.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model holding device.

Fig. 4 is the part three-dimensional combination figure of the utility model holding device.

[embodiment]

See also Fig. 1 to shown in Figure 4, the utility model holding device 100 comprise base 1, that match with base 1 and can holding limb 2 mobile on the base 1 and be installed on base 1 respectively and holding limb 2 on two elastic arms 3.The bounding means 8 of the ratchet 6 that the first less gear 4 of radius of a circle is installed on the described base 1, is positioned at below first gear 4 and second gear 5 that radius of a circle that rotates simultaneously with first gear 4 is bigger, compresses mutually with second gear 5, the switch 7 of regulating ratchet 6, restriction ratchet 6 positions and and the spring 9 that compresses mutually of holding limb 2.In the present embodiment, described holding device 100 can be in order to electronic equipments such as clamping mobile phones; In other embodiments, but described holding device 100 also can be in order to the object of other clampings such as clamping gyropilot; In the present embodiment, described bounding means 8 is a torsion spring.

Described base 1 comprise the circle that is positioned at the bottom diapire 11, with diapire 11 be communicated with in order to the containing space 10 of accommodating holding limb 2, be positioned at containing space 10 both sides and from make progress vertically extending first,

second sidewall

12,13 that is parallel to each other and be connected first,

second sidewall

12,13 and be positioned at the rear wall 14 of containing space 10 rear ends of diapire 11 sides.Be extended with second projection 112 that reaches in order to positioning ratchet wheel 6 in order to first projection 111 of locating first,

second gear

4,5 on the described diapire 11 vertically upward, described diapire 11 rear ends also are provided with a block 113 near rear wall 14 places, described bounding means 8 has two free ends, described two free ends compress guaranteeing holding device 100 when clamping mobile phone mutually with block 113 and ratchet 6 respectively, and described ratchet 6 compresses with described second gear 5 and guaranteed the braking action of ratchet 6.First,

second sidewall

12,13 is provided with towards first, second surface of contact 121,131 of containing space 10 and is positioned at first, second upper surface 120,130 on top, outwards be concaved with first, second mounting groove 122,132 in order to accommodate spring 9 and to be communicated with containing space 10 on described first, second surface of contact 121,131 respectively, described first, second mounting groove 122,132 is positioned at diapire 11 tops and is not communicated with first, second upper surface 120,130.Run through the 3rd mounting groove 141 in order to installation switch 7 of rear wall 14 before and after being concaved with on the described rear wall 14, described rear wall 14 extends upward from diapire 11 and exceeds first, second upper surface 120,130.

Described holding limb 2 comprises the ear 24 that first,

second wall portion

22,23 that extends downward vertically flat main part 21, autonomous body 21 both sides and autonomous body 21 extended upward and connected first, second wall portion 22,23.Described main part 21 comprises the end face 211 that is positioned at front end, be positioned at the upper surface 212 of upper end and be positioned at the lower surface 213 of lower end, described lower surface 213 is provided with the chi bar 214 to be meshed with first gear 4 that compresses mutually with first wall portion 22 inboards, and described first,

second wall portion

22,23 is outward extended with respectively in order to compress first, second pressure section 221,231 of spring 9 near end face 211 places.Described spring 9 is between the rear inside wall of holding limb 2 and first, second pressure section 221,231.When holding limb 2 is assembled on the base 1, described first, second pressure section 221,231 is positioned at first, second mounting groove 122,132 and first, second pressure section 221,231 moves and pressure spring 9 at first, second mounting groove 122,132 along with moving of holding limb 2, described ear 24 is parallel and contour with rear wall 14, and mobile phone is put between ear 24 and the rear wall 14.

Described two elastic arms 3 are installed on respectively in rear wall 14 and the ear 24, and when clamping mobile phone, described two elastic arms 3 contact with mobile phone, so avoid rear wall 14 and ear 24 directly to contact with mobile phone and mobile phone is worn and torn.

Described first,

second gear

4,5 is fixed in together, and described first,

second gear

4,5 is provided with first through hole 41 that runs through first,

second gear

4,5 and match with first projection 111 jointly so that first,

second gear

4,5 is positioned on the diapire 11.Described first,

second gear

4,5 radius of a circle differences are utilized the difference of radius of a circle of first,

second gear

4,5 and the linear speed difference that produces can realize that holding limb 2 clamps and the speed of ejection stable with this.

Described ratchet 6 comprises rotating sour jujube bar 61 and bends the hook part 62 of extension to compress second gear 5 from sour jujube bar 61 1 ends, described hook part 62 is provided with the stepped part 63 of depression, described stepped part 63 is provided with and runs through second through hole 631 of stepped part 63 to match with second projection 112, described ratchet 6 can rotate around second projection 112, described bounding means 8 also is socketed on second projection 112, and described bounding means 8 is positioned at place, stepped part 63 belows and compresses ratchet 6.Described bounding means 8 has two free ends, and described two free ends compress guaranteeing holding device 100 when clamping mobile phone mutually with block 113 and ratchet 6 respectively, and described ratchet 6 compresses with described second gear 5 and guaranteed the braking action of ratchet 6.At described holding limb 2 pressure springs 9 and when mobile, described second gear 5 rotates in the counterclockwise direction, described ratchet 6 slides on the surface of second gear 5, when holding limb 2 clamps mobile phone, described holding limb 2 stops to move, make second gear 5 also stop operating simultaneously, described ratchet 6 is fastened in certain teeth groove of second gear 5 to prevent 5 revolutions of second gear.

Described switch 7 is installed in the 3rd mounting groove 141 and compresses mutually to regulate ratchet 6 with the sour jujube bar 61 of ratchet 6 and makes it break away from second gear 5.When clamping mobile phone, described ratchet 6 compresses second gear 5, when needs are taken out mobile phone, utilize switch 7 to promote sour jujube bar 61, make sour jujube bar 61 rotate along clockwise direction, break away from second gear 5 to the greatest extent and discharge braking, rely on the elastic force of spring 9 to make holding limb 2 pines eject, thereby mobile phone can take out easily.

The working principle of the utility model holding device 100: when needing to clamp mobile phone, rotate in the counterclockwise direction by promoting holding limb 2 drives first gear 4, driving second gear 5 simultaneously and then rotates counterclockwise, this moment, ratchet 6 slided described first, second pressure section 221,231 pressure springs on the surface of second gear 5.After mobile phone clamps, stop to promote holding limb 2, the hook part 62 of ratchet 6 was fastened in certain teeth groove of second gear 5 and played braking action to prevent 5 revolutions of second gear this moment, and wherein, the big I that clamps strength and scope is regulated by ratchet 6; When needing to eject mobile phone, by push switch 7 to promote sour jujube bar 61, make sour jujube bar 61 rotate along clockwise direction, break away from second gear 5 to the greatest extent and discharge braking, holding limb 2 is replied initial position gradually because of the elastic force of spring 9, thereby can take out mobile phone easily, wherein, utilize the difference of radius of a circle of first,

second gear

4,5 and the linear speed difference that produces realizes that holding limb clamps and the speed of ejection stable.

As mentioned above, the utility model holding device 100 can be realized the clamping demand of different size mobile phone, the utility model holding device 100 is provided with second bigger gear 5 of radius of a circle less first gear 4, radius of a circle and the ratchet 6 that matches with second gear 5, so be provided with, can utilize the difference of radius of a circle of first,

second gear

4,5 and the linear speed difference that produces can realize that holding limb 2 clamps and the speed of ejection stable, utilize ratchet 6 brakings simultaneously, realize clamping the adjusting of strength and scope.

Claims

1. holding device, in order to the clamping electronic equipment, it comprise base, match with base and can on base, move with the holding limb of clamping electronic equipment and be installed in the base and be held on base and holding limb between spring, it is characterized in that: bigger and second gear that rotate simultaneously with first gear of radius of a circle less first gear, radius of a circle also is installed on the described base and compresses mutually to prevent the rotating ratchet of second gear with second gear, the bottom of described holding limb is provided with the tooth bar that is meshed with first gear.

2. holding device as claimed in claim 1 is characterized in that: described first, second gear be the integral structure and first gear be positioned at second gear above.

3. holding device as claimed in claim 2, it is characterized in that: be extended with vertically upward on the described base in order to locate first projection of first, second gear, described first, second gear is provided with first through hole that runs through first, second gear and match with first projection jointly.

4. holding device as claimed in claim 1 is characterized in that: described holding limb comprises vertically extending first wall portion under flat main part and autonomous body one side direction, and described tooth bar is located on the main part lower surface and is positioned at first wall portion inboard.

5. holding device as claimed in claim 4 is characterized in that: described main part opposite side is extended with the second wall portion relative with first wall portion downward vertically, and described first, second wall section is not outward extended with first, second pressure section that compresses spring.

6. holding device as claimed in claim 5, it is characterized in that: described base is provided with first, second mounting groove of accommodating spring, described first, second pressure section lay respectively in first, second mounting groove and can be in first, second mounting groove pressure spring and moving.

7. holding device as claimed in claim 1 is characterized in that: described ratchet is installed on base rear end, and the vertical extent that makes progress on the described base has second projection with positioning ratchet wheel.

8. holding device as claimed in claim 7, it is characterized in that: described holding device is provided with and is installed on second projection and has two free-ended bounding meanss, described base rear end is provided with a block, and two free ends of described bounding means compress mutually with block and ratchet respectively.

9. holding device as claimed in claim 7, it is characterized in that: described ratchet comprise rotating sour jujube bar and further bend extension from sour jujube bar extending end and compress mutually to prevent the rotating hook part of second gear with second gear, described hook part is socketed on second projection and can rotates around second projection.

10. holding device as claimed in claim 9 is characterized in that: described holding device be provided with compress mutually with the sour jujube bar and can regulate ratchet motion to allow the sour jujube bar break away from the switch of second gear, described base is provided with in order to accommodate the 3rd mounting groove of switch.