CN203456217U

CN203456217U - Magnetic force fixing device

Info

Publication number: CN203456217U
Application number: CN201320591063.XU
Authority: CN
Inventors: 汪玉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-25
Filing date: 2013-09-25
Publication date: 2014-02-26
Anticipated expiration: 2023-09-25

Abstract

The utility model provides a magnetic force fixing device. The device is provided with a spring clamp capable of being clamped on a plate-shaped object and a magnet capable of attracting ferrous metals, wherein the device is provided with a flat magnet seat, the magnet seat is provided with a recess capable of holding the magnet, and the shape and size of the recess are matched with those of the magnet; the spring clamp of the device is provided with a pair of clamp arms combined by a hinge pivot, and the clamp is closed by virtue of the resilience force of a spring; the device is provided with an approximately circular ring-shaped shell, and a pair of grooves is arranged on the two ends of the diameter of the inner surface of the shell; and the device is provided with a pair of pushing elements, the spring is sleeved outside the pushing elements, the external size of the spring is smaller than the internal size of the shell, and the two ends of the spring respectively push against the part (larger than the cylindrical pushing element) of the bottom of the magnet seat and a lug boss with a reduced diameter and located on the inner surface of the shell.

Description

Magnetic force fixed device

Technical field

The utility model relates to a class and utilizes magnetic force object to be fixed on to the fixture of target location.More specifically be the application implements such as mobile phone to be fixed on to the position magnetic force fixed device used easily to user in automobile.

Background technology

US2010/0317418 discloses a kind of magnetic force fixed device.This device is suitable for the application implements such as mobile phone to be fixed on the instrument board place of automobile.To first with bonding subsides, this device be fixed on the instrument board of automobile to sorptions such as recycling Magnetic handle machine and being fixed.The magnetic force fixed device of background technology can not be using the air outlet blade of air conditioning for automobiles as fixed position.

Utility model content

The purpose of this utility model is to provide a kind of magnetic force fixed device, this device has the spring clip that can be clamped on en plaque object and magnet that can sorption ferrous metal, wherein: this device has pancake magnetic receiver, this magnetic receiver has the groove that can hold described magnet, and the shape and size of this groove and described magnet match; The spring clip of this device has a pair of gripper-arm being combined by hinge pivot, and one end of described gripper-arm is clamping limb, and the other end is push and block arms, and centre is pivot hole, and the closure of this clip is the resilience force by means of a spring; This device has a housing that is roughly annular, there is a pair of groove nest at the diameter two ends of the inner face of this housing, this groove nest penetrates the wall of described housing, or does not penetrate the wall of described housing, and the shape and size of this groove nest can be held the push and block arm of also adaptive described a pair of gripper-arm; This device has one pair of thrust piece, and this thrust piece is cylindraceous, and its upper limb and described magnetic receiver are connected to become integral body, and there is a pair of lug with pivot hole that described clamp pivot is installed its lower end; Also have, described spring is to be sleeved on outside this thrust piece, and the outside dimension of this spring is less than the inside dimension of this housing, and the two ends of this spring prop up respectively the boss that this magnetic receiver bottom is greater than part He this housing inner face diameter reduction of cylindric thrust piece.

Wherein, the described a pair of groove nest that is roughly the housing inner face of annular penetrates the wall of described housing, and the shape and size of this groove nest and thrust piece used are adaptive, there is a pair of lug with pivot hole that described clamp pivot is installed the lower end of described housing, and described housing and described magnetic receiver are connected to become integral body; Described one pair of thrust piece is the different strip of a pair of two-end thickness, and thinner one end is through described groove nest, and thicker one end props up the push and block arm of described clip; Also have, described spring is to be enclosed within outside described clamp pivot, and the steel wire of this both ends of the spring stretches out, and these two steel wires that stretch out are pressed against the inner side of two push and block arms of described clip.

Wherein, described magnet is combined into side by side by polylith fritter, and the both positive and negative polarity of adjacent fritter be with anodal near negative pole, negative pole near anodal form inverted arrangements.

Wherein, described magnet fritter is fan-shaped, or strip.

Wherein, described magnet fritter be 4 fan-shaped, arrange at the paired angle of their same pole-face.

Wherein, the outside one side of described magnet is provided with the capping that nonmagnetic substance is made.

Wherein, described magnet concaves to outer surface.

Wherein, described magnet is cambered outwards to outer surface.

Wherein, described magnet is plane to outer surface.

The magnetic force fixed device that the utility model provides, can be using the air outlet blade of air conditioning for automobiles as fixed position, simple in structure, easy to use.

Accompanying drawing explanation

Fig. 1 is the parts section exploded perspective view of the magnetic force fixed device of the utility model the first embodiment

Fig. 2 is in Fig. 1, the B-B end view of 2 parts in top.

Fig. 3 is in Fig. 1, the A-A cutaway view of housing parts.

Fig. 4 and Fig. 5 are in Fig. 1, the complementary views of gripper-arm parts and cutaway view.

Fig. 6 and Fig. 7 are that general assembly and the clip of the magnetic force fixed device of the utility model the first embodiment opens and closes schematic diagram.

Fig. 8 is the parts section exploded perspective view of the magnetic force fixed device of the utility model the second embodiment

Fig. 9 is in the present embodiment, the cutaway view of a pair of thrust piece.

Figure 10 is in Fig. 8, the supplementary cutaway view of gripper-arm parts.

Figure 11 is in Fig. 1, the C-C cutaway view of housing parts.

Figure 12 and Figure 13 are that general assembly and the clip of the magnetic force fixed device of the utility model the second embodiment opens and closes schematic diagram.

Embodiment

In Fig. 1: pancake magnetic receiver 5, this magnetic receiver has the groove 50 ' that can hold described magnet 50, and the shape and size of this groove and described magnet match.Be columnar thrust piece 3 haply, a pair of lug 31 with pivot hole 32 is stretched out in its one end, outside the cylindrical shape that abuts against thrust piece 3 of the pivot hole of this lug for the pivot of installation clip, is set with ring shape spring 4.Gripper-arm 6 and 6 ' by a pair of mutual symmetry forms clip, and one end of described gripper-arm is clamping limb 63, and the other end is push and block arm 64, and centre is pivot hole circle 61 and pivot hole 62.Also have a housing 2 that is roughly annular, the inner ring of this housing can be put into ring shape spring 4 just.There is a pair of groove nest 21 at the diameter two ends of the inner face lower side of this housing, and this groove nest penetrates the wall of described housing, or do not penetrate the wall of described housing, and the shape and size of this groove nest should be able to be held the push and block arm 64 of also adaptive described a pair of gripper-arm.Now, in figure, namely, in the present embodiment, groove nest 21 does not need to penetrate the wall of described housing, but its lower surface is downward-sloping towards center.This is for when clip opens, when namely the push and block arm 64 of gripper-arm is pressed towards below, the space that reserves this push and block arm displacement (is in

pivot hole

32 and 62 positions to the impetus pressing down, the mode of push and block arm displacement is to take the outermost end of push and block arm to rotate a little angle as fulcrum, adds push and block arm and slightly slides to center along the lower surface of the inclination of groove nest 21).Lower limb at housing 2 is provided with a pair of slot 22 of clamp pivot (being installed in pivot hole 32 and 62) being installed for convenient.In figure, the pivot of installing in

pivot hole

32 and 62 is not shown, is omitted.In practical application, magnetic receiver 5 is larger than thrust piece 3, and magnetic receiver and thrust piece are engaged and become integral body (mode of joint can be with welding, particularly ultrasonic bonding, or by adhesives, etc.), leave a circle platform, make the top of spring 4 be against this platform place; The lower end of spring 4 is the inner ring platform 2 ' that is against housing 2.

Fig. 2 is the view of B-B direction in Fig. 1, in order to the structure of more cheer and bright this part.Figure comprises magnetic receiver 5, magnet 50 and thrust piece 3 (spring 4 does not draw in this figure).In figure, the implication of each label is the same.

Fig. 3 is the cutaway view of A-A direction in Fig. 1, in order to the structure of more cheer and bright this part.What figure comprised is housing 2.In figure, the implication of each label is the same.

Fig. 4 and Fig. 5 are the supplementary figure of gripper-arm 6 in Fig. 1, in order to the structure of more cheer and bright this part.Fig. 4 is the three-dimensional view of gripper-arm 6 in Fig. 1.Fig. 5 be with Fig. 1 in gripper-arm 6 pairing and the cutaway view of symmetrical gripper-arm 6 '.In figure, the implication of each label is the same.

Fig. 6 is clip closure state, and the en plaque object 7 of being clamped by a pair of clamping limb 63 is for example the blade that represents vehicle air conditioning outlet.In figure, magnetic receiver 5 and thrust piece 3 have engaged and have become integral body, and junction is 5 ', leave a circle platform 4 ' and make the top of spring 4 be against this place, and the lower end of spring 4 is located 2 ', and this is equivalent in Fig. 1, be against on the inner ring platform 2 ' of housing 2.Because a pair of clamping limb 63 clamps en plaque object 7, thrust piece 3 (together with the magnetic receiver 5 having engaged) can not rise again, at this moment, the clamping limb 63 that the resilience force that spring 4 keeps is clip provides chucking power, makes fixture 1 be fixed on blade 7 places together with the object with magnetic force sorption (as mobile phone).If want clip to open, according to shown in arrow 101 to pressing down.In figure, the implication of each label is the same.

Fig. 7 is clip open configuration.Thrust piece 3 (together with the magnetic receiver 5 having engaged) is pressed downward, overcome the resilience force of spring 4, moving down due to pivot location, the outermost end of push and block arm 64 is blocked by groove nest 21 and is become fulcrum, the rotation that the pivot position of formation gripper-arm moves down, and also and then rotate and separated from each other with a pair of clamping limb 63 that push and block arm 64 is all a rigid body, clip has just opened.Shown in arrow 102, unclamp downforce, allow upwards resiliences of spring 4, clip is again closed.In figure, the implication of each label is the same.

In Fig. 8, have: pancake magnetic receiver 5, this magnetic receiver has the groove 50 ' that can hold described magnet 50, and the shape and size of this groove and described magnet match.A housing 53 that is roughly annular.There is a pair of groove nest 55 at the diameter two ends of the inner face of this housing, and this groove nest penetrates the wall of described housing, and its shape and size should be able to be held and this groove nest is passed in thinner one end of adaptive a pair of thrust piece 81.The middle part, bottom surface of this housing has the opening 57 that clip is passed through, this bottom surface to also have a pair of lug with pivot hole 59 58 stretching out downwards, for a pair of gripper-

arm

56 and 56 ' is installed.Gripper-

arm

56 and 56 ' by a pair of mutual symmetry forms clip, and one end of described gripper-arm is clamping limb 73, and the other end is push and block arm 74, and centre is pivot hole circle 71 and pivot hole 72.

A pair of thrust piece 81 is the different strips of a pair of two-end thickness, and thinner one end also can slidably reciprocate through described groove nest 55, and thicker one end props up the push and block arm 74 of described clip.Also have, spring 82 is to be enclosed within outside described clamp pivot, and each tangentially stretches out one section the steel wire at spring 82 two ends, and these two sections of stretching out are pressed against the inner side of two push and block arms 74 of described clip, make the clamping limb 73 of clip have closing force.In figure, the pivot of installing in

pivot hole

59 and 72 is not shown, is omitted.

During practical set, first a pair of thrust piece 81 is arranged in groove nest 55, more a pair of gripper-

arm

56 and 56 ' is arranged on to the pivot hole 59 of lug 58 together with spring 82, make the push and block arm 74 of gripper-arm prop up thicker one end of thrust piece 81 simultaneously.Again oneself being loaded onto to the magnetic receiver 5 of magnet 50 and housing 53 engages and becomes integral body (mode of joint can be with welding, particularly ultrasonic bonding, or by adhesives, etc.).

Fig. 9 is the cutaway view of a pair of thrust piece 81.Can see that they are prolate bar shapeds, one end is thinner, and the other end is thicker.Thin one end can pass from inside to outside from the groove nest 55 of housing 53, by blocking and can not pass completely compared with thick one end.In figure, the implication of each label is the same.

Figure 10 be with Fig. 8 in gripper-arm 56 pairing and the cutaway view of symmetrical gripper-arm 56 '.In figure, the implication of each label is the same.

Figure 11 is the cutaway view of C-C direction in Fig. 8, can see the structure of other direction housing 53.In figure, the implication of each label is the same.

Figure 12 and Figure 13 are that general assembly and the clip of the magnetic force fixed device 1 ' of the utility model the second embodiment opens and closes schematic diagram.Figure 12 is clip closure state, and the en plaque object 7 of being clamped by a pair of

clamping limb

56 and 56 ' is for example the blade that represents vehicle air conditioning outlet.In figure, magnetic receiver 5 and housing 53 have engaged and have become integral body, and junction is 5 '.According to a pair of arrow 103 directions, thrust piece 81 is inwardly pressed, the push and block arm 74 that props up thrust piece is inwardly pushed away, so overcome the resilience force of spring 82, a pair of clamping limb is outwards separated, and clip opens.In figure, the implication of each label is the same.

Figure 13 is clip open configuration.The process of opening is as aforementioned.According to a pair of arrow 104 directions, unclamp the pressure of originally executing to thrust piece 81, one section of steel wire resilience of tangentially stretching out that spring 82 is extruded, the a pair of push and block arm 74 of clip is outwards divided, namely make a pair of clamping limb 73 of clip inwardly close, again form clamp position.In figure, the implication of each label is the same.For example, for sorption mounting article (mobile phone), generally to there is a Ferrious material part (not shown) with magnet adaptation, its one side is attracted on magnet, and another side posts bonding glue-line, is affixed with the back side of absorbate (mobile phone).Like this, just can, absorbate (mobile phone) sorption (fixing) on magnetic force fixed device of the present utility model, suct and take off all very convenient.

About the utility model magnet used, can be a single magnet, can positive pole inwardly, negative pole outwardly, also can reverse.Better mode is to piece together one with some fritters, and between each fritter with anodal close negative pole, negative pole near anodal form inverted arrangements.For example, with several rectangular box-shaped or circles of piecing together, allow the adjacent face be all heteropole and inverted arrangements; Or be fan-shapedly combined into a circle with several, and for example with 4 fan-shaped magnet fritters, being combined into a circle, arrange at their the paired angle of same pole-face, namely allows the adjacent face be all heteropole and inverted arrangements.The benefit of doing is like this, after Ferrious material part is sucted, by positive pole, flowing through this Ferrious material part, to flow to the magnetic current path of negative pole very smooth and easy again, improves suction, reduces the chance of magnetic decline.Can concaving to outer surface of magnet, the Ferrious material part matching with it to outer surface, should be cambered outwards.Or, magnet to outer surface, be cambered outwards, should the concaving to outer surface of the Ferrious material part matching with it.Again or, magnet to outer surface, be plane, the Ferrious material part matching with it to outer surface, should be also (about the above details of magnet, not shown) of plane.In practicality, the surface of magnet can be outside exposed, and the outer cover (not shown) that nonmagnetic substance (for example plastics) is made also can be set.

Claims

1. a magnetic force fixed device, this device has the spring clip that can be clamped on en plaque object and magnet that can sorption ferrous metal, it is characterized in that:

This device has pancake magnetic receiver, and this magnetic receiver has the groove that can hold described magnet, and the shape and size of this groove and described magnet match;

The spring clip of this device has a pair of gripper-arm being combined by hinge pivot, and one end of described gripper-arm is clamping limb, and the other end is push and block arms, and centre is pivot hole, and the closure of this clip is the resilience force by means of a spring;

This device has a housing that is roughly annular, and there is a pair of groove nest at the diameter two ends of the inner face of this housing, and the shape and size of this groove nest can be held the push and block arm of also adaptive described a pair of gripper-arm;

This device has one pair of thrust piece, and this thrust piece is cylindraceous, and its upper limb and described magnetic receiver are connected to become integral body, and there is a pair of lug with pivot hole that described clamp pivot is installed its lower end;

Described spring is to be sleeved on outside this thrust piece, and the outside dimension of this spring is less than the inside dimension of this housing.

2. according to magnetic force fixed device claimed in claim 1, wherein,

The described a pair of groove nest that is roughly the housing inner face of annular penetrates the wall of described housing, and the shape and size of this groove nest and thrust piece used are adaptive, there is a pair of lug with pivot hole that described clamp pivot is installed the lower end of described housing, and described housing and described magnetic receiver are connected to become integral body;

Described one pair of thrust piece is the different strip of a pair of two-end thickness, and thinner one end is through described groove nest, and thicker one end props up the push and block arm of described clip;

Described spring is to be enclosed within outside described clamp pivot, and the steel wire of this both ends of the spring stretches out, and these two steel wires that stretch out are pressed against the inner side of two push and block arms of described clip.

3. according to the magnetic force fixed device described in claim 1 or 2, wherein, described magnet is combined into side by side by polylith fritter, and the both positive and negative polarity of adjacent fritter be with anodal near negative pole, negative pole near anodal form inverted arrangements.

4. according to magnetic force fixed device claimed in claim 3, wherein, described magnet fritter is fan-shaped, or strip.

5. according to magnetic force fixed device claimed in claim 4, wherein, described magnet fritter be 4 fan-shaped, arrange at their the paired angle of same pole-face.

6. according to the magnetic force fixed device described in claim 1 or 2, wherein, the outside one side of described magnet is provided with the capping that nonmagnetic substance is made.

7. according to the magnetic force fixed device described in claim 1 or 2, wherein, the concaving to outer surface of described magnet.

8. according to the magnetic force fixed device described in claim 1 or 2, wherein, described magnet to outer surface, be cambered outwards.

9. according to the magnetic force fixed device described in claim 1 or 2, wherein, described magnet to outer surface, be plane.