CN203835119U

CN203835119U - Adjustable automatic hinge

Info

Publication number: CN203835119U
Application number: CN201420235118.8U
Authority: CN
Inventors: 王水娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-09
Filing date: 2014-05-09
Publication date: 2014-09-17
Anticipated expiration: 2024-05-09

Abstract

The utility model discloses an adjustable automatic hinge. The adjustable automatic hinge comprises a hinge shaft, a first blade, a second blade, a torsion spring and a telescopic spring, wherein one side of the first blade and one side of the second blade are connected with the hinge shaft in a sleeved mode, the torsion spring is arranged at one end of the hinge shaft in a sleeved mode, and the telescopic spring is arranged at the other end of the hinge shaft in a sleeved mode. The end, corresponding to the torsion spring, of the hinge shaft is provided with a clamping block. The end, corresponding to the telescopic spring, of the hinge shaft is provided with a pressing block. The torsion spring is located in the first blade and the second blade. One end of the torsion spring is connected with the clamping block, and the other end of the torsion spring is connected with the first blade. The second blade is provided with a counter bore matched with the clamping block. The telescopic spring is located in the first blade or the second blade. One end of the telescopic spring is connected with the corresponding first blade or the corresponding second blade, and the other end of the telescopic spring is connected with the pressing block. The adjustable automatic hinge has the advantages of being firm in structure, convenient to adjust and high in practicability.

Description

Adjustable automatic hinge

Technical field

The utility model relates to a kind of hinge, specially refers to a kind of adjustable automatic hinge.

Background technology

Hinge is widely used on the door-hinge of door and window, bin etc., to realize the hinged of door and corresponding doorframe.Hinge is in the market divided into two kinds substantially: a kind of is to consist of hinge axis and two blades that are socketed on hinge axis, this hinge is merely able to realize the hinged of door and corresponding doorframe, when needs switch gate, all need to be by external force, can not automatic opening and closing door, another kind is can automatic door-closing or the hinge that opens the door, the utility model patent that is 200720008771.0 as the patent No. discloses a kind of adjustable automatic hinge, two blade pass of this adjustable automatic hinge are crossed torsion spring and are connected, one end of this torsion spring and the cock body of rotatable adjusting are connected simultaneously, in use, by rotation, change cock body and coordinate corresponding jackscrew to be fixed, can realize allowing and between two blades, produce an adjustable twisting resistance, can realize automatic door opening or close the door, but this adjustable automatic hinge is just fixed cock body by the screwed hole cooperation having on screw thread jackscrew and blade, the poor stability of its structure, particularly in the situation that the twisting resistance sustainable existence that torsion spring produces, it is difficult to allow torsion spring maintain one to stablize suitable twisting resistance always, be that this hinge exists the structure shortcoming not strong with practicality built on the sand.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of sound construction, easy to adjust and practical adjustable automatic hinge.

According to an aspect of the present utility model, a kind of adjustable automatic hinge is provided, comprise hinge axis, the first blade and second blade of one side and hinge axis socket, the coil tension spring that is sheathed on the torsion spring of hinge axis one end and is sheathed on the hinge axis other end, wherein hinge axis one end corresponding with torsion spring is provided with fixture block, one end corresponding with coil tension spring is provided with briquetting, this torsion spring is positioned at the inside of the first blade and the second blade, its one end is connected with fixture block, the other end is connected with the first blade, on this second blade, offer the counterbore matching with fixture block, this coil tension spring is positioned at the inside of the first blade or the second blade, its one end is connected with corresponding the first blade or the second blade, the other end is connected with briquetting.

The beneficial effect of the utility model adjustable automatic hinge is: because one end of torsion spring is connected with fixture block, the other end is connected with the first blade, on the second blade, offer the counterbore matching with fixture block simultaneously, therefore can indirectly realize the two ends of torsion spring respectively at the first blade and the second blade, can allow between the first blade and the second blade and to produce the twisting resistance of can automatic door opening or closing the door, on the other hand, opposite side at hinge axis is provided with coil tension spring, in the end of hinge axis, be provided with the briquetting being connected with coil tension spring simultaneously, by pressing briquetting, fixture block corresponding thereto can be ejected to counterbore, by rotation fixture block, adjust the twisting resistance that torsion spring produces again, after to be regulated getting well, unclamp briquetting, fixture block submerges in counterbore again, the counterbore now matching with fixture block can block fixture block, being about to torsion spring maintains under the changeless twisting force after adjustment, in sum, the utility model adjustable automatic hinge has sound construction, easy to adjust and practical advantage.

In some embodiments, the external surface of fixture block can offer hexagonal counterbore.Thus, by die nut, can rotate easily and control fixture block.

In some embodiments, the surrounding of fixture block can be provided with projection, and this counterbore is provided with the groove matching with projection around.By fixture block projection around, be fastened in the groove of counterbore, can guarantee that torsion spring maintains under a changeless twisting force, and make the structure of the utility model adjustable automatic hinge more firm, practicality is also stronger.

In some embodiments, torsion spring overcoat can be provided with sleeve.By sheathed sleeve outside torsion spring, can better protect torsion spring on the one hand, extend its application life, can also allow on the other hand torsion spring not be subject to the impact of the power of blade, further guaranteed that torsion spring produces the stability of twisting resistance.

In some embodiments, fixture block can offer the locating hole corresponding with torsion spring one end, can be provided with the locating slot corresponding with the torsion spring other end on the first blade.Thus, can realize torsion spring is connected with fixture block and the firm of the first blade.

In some embodiments, between the first blade and the second blade, can be provided with cushion block, this cushion block and hinge axis socket.By be provided with cushion block between the first blade and the second blade; can effectively avoid the interaction between the first blade and the second blade; optimized the service behaviour of the utility model adjustable automatic hinge; between cushion block, the first blade and the second blade, coordinate simultaneously; hinge axis and torsion spring better can be protected in their inside, can be promoted the application life of the utility model adjustable automatic hinge.

In some embodiments, hinge axis and the fixture block structure that can be formed in one.Thus, the structure of the utility model adjustable automatic hinge is more firm, and service behaviour is also more superior.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of embodiment of the utility model adjustable automatic hinge;

Fig. 2 is the exploded view of adjustable automatic hinge in Fig. 1;

Fig. 3 be in Fig. 1 adjustable automatic hinge along the sectional view of I-I;

Fig. 4 is the structural representation of adjustable automatic hinge side in Fig. 1;

Fig. 5 is the structural representation of the another kind of embodiment of the utility model adjustable automatic hinge;

Fig. 6 is the structural representation of adjustable automatic hinge side in Fig. 5.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 to Fig. 4 has provided first embodiment of the utility model adjustable automatic hinge.

In this embodiment, the utility model adjustable automatic hinge comprises hinge axis 1, 1 socket of one side and hinge axis the first blade 2 and the second blade 3, torsion spring 4, coil tension spring 5, sleeve 6 and cushion block 7, wherein torsion spring 4 is sheathed on the upper end of hinge axis 1, the end of hinge axis 1 upper end is provided with fixture block 12, torsion spring 4 is positioned at the inside of the first blade 2 and the second blade 3, and outside is arranged with sleeve 6, on fixture block 12, offer the locating hole 123 corresponding with torsion spring 4 upper ends 42, the first blade 2 is provided with the locating slot 21 corresponding with torsion spring 4 lower ends 41, the upper end 42 of torsion spring 4 is connected with fixture block 12, lower end 41 is connected with the first blade 2, on the second blade 3, offer the counterbore 31 matching with fixture block 12, in the present embodiment, hinge axis 1 and fixture block 12 structure that is formed in one, the cross section of counterbore 31 and fixture block 12 is circle substantially, and the surrounding at fixture block 12 is provided with projection 122, described counterbore 31 is around provided with and projection 122 grooves that match 311, by the projection 122 on fixture block 12, coordinate with counterbore 31 groove 311 around, can effectively engage fixture block 12, guarantee that torsion spring 4 is maintaining the twisting resistance that provides suitable always.

Coil tension spring 5 is sheathed on the lower end of hinge axis 1, in the first blade 2, be provided with the accommodating cavity adapting with coil tension spring 5, the end of hinge axis 1 lower end is provided with the briquetting 11 being connected with coil tension spring 5 one end, on briquetting 11, offers draw-in groove, is used for being fastened on the end, lower end of hinge axis 1.The other end of spring 5 is connected with the inwall of accommodating cavity in the first blade 2.In normal use procedure or manually do not apply under the effect of external force, coil tension spring 5 can be to 11 1 downward active forces of briquetting of hinge axis 1 lower end, under the effect of this power, the fixture block 12 of hinge axis 1 upper end can submerge in counterbore 31, now counterbore 31 can engage fixture block 12, guarantees that torsion spring 4 is maintaining suitable twisting resistance always.In the time need to adjusting the twisting resistance of torsion spring 4 generations, can upwards compress briquetting 11, realization ejects the fixture block 12 of hinge axis 1 upper end from counterbore 31, now can clockwise or be rotated counterclockwise fixture block 12, to reverse torsion spring 4, adjusted to suitable state, after to be adjusted getting well, stop upwards compressing briquetting 11, under the elastic force effect of coil tension spring 5, briquetting 11 can move downward, and now the fixture block 12 of hinge axis 1 upper end can be drawn in counterbore 31, also by counterbore 31, engage fixture block 12, allow torsion spring 4 maintain the state that produces suitable torsion always.

For the convenient fixture block 12 that regulates, on the external surface of fixture block 12, offer hexagonal counterbore 121,, by die nut, just can rotate easily fixture block 12, to regulate.

In order effectively to avoid the interaction between the first blade and the second blade; optimized the service behaviour of the utility model adjustable automatic hinge; junction at the first blade 2 and the second blade 3 is provided with cushion block 7; this cushion block 7 and hinge axis 1 socket; thereby avoid the phase mutual friction of the first blade 2 and the second blade 3, and realize hinge axis 1 is better protected.

As shown in Figure 2, the left side of the first blade 2 is provided with two leaf cylinders 201 and 202 that match with hinge axis 1, the right side of the second blade 3 is provided with two leaf cylinders 301 and 302 that match with hinge axis 1, the leaf cylinder 201 of the first blade 2, the leaf cylinder 301 of the 202 and second blade 3, 302 is spaced apart, in leaf cylinder 202, be provided with the accommodating cavity adapting with coil tension spring 5, on leaf cylinder 301, offer counterbore 31, leaf cylinder 201, 301 are provided with the locating slot 21 corresponding with torsion spring 4 lower ends 41, the lower end 41 of torsion spring 4 can slide in the first blade 2 and the second blade 3 along locating slot 21, and be finally fixed on locating slot 21 places of leaf cylinder 201.

Fig. 5 and Fig. 6 have provided second embodiment of the utility model adjustable automatic hinge.

In this embodiment, identical with above-mentioned first embodiment of the regulation mechanism of adjustable automatic hinge and working mechanism, different from above-mentioned the first embodiment: the left side of the first blade 2 is provided with a leaf cylinder 203 matching with hinge axis 1, the right side of the second blade 3 is provided with two leaf cylinders 303 and 304 that match with hinge axis 1, the leaf cylinder 203 of the first blade 2 is positioned at the leaf cylinder 303 of the second blade 3, between 304, in the leaf cylinder 304 of the second blade 3, be provided with the accommodating cavity adapting with coil tension spring 5, the end, lower end of hinge axis 1 is provided with the briquetting 11 being connected with coil tension spring 5.On leaf cylinder 303, offer counterbore 31, leaf cylinder 203,303 is provided with the locating slot 21 corresponding with torsion spring 4 lower ends 41, the lower end 41 of torsion spring 4 can slide in the first blade 2 and the second blade 3 along locating slot 21, and is finally fixed on locating slot 21 places of leaf cylinder 203.Counterbore 31 is the regular hexagon matching with the cross section of the fixture block 12 of hinge axis 1 end, upper end, now can realize equally counterbore 31 and engage the fixture block 12 firmly submerging wherein, thereby allow torsion spring 4 maintain the state that produces suitable torsion always.

In the present embodiment, fixture block 12 external surfaces, except offering the hexagonal counterbore 121 corresponding with die nut, also offer the counterbore corresponding with a word spanner on the basis of hexagonal counterbore 121, so can rotate adjusting fixture block 12 by multiple types of tools.

The counterbore 31 of the utility model adjustable automatic hinge and the shape of fixture block 12 are not limited to above described in two, and while meeting in fixture block 12 submerges counterbore 31, counterbore 31 can engage fixture block 12, allows torsion spring 4 maintain and produces fixing twisting resistance; When fixture block 12 is ejected in counterbore 31, can rotate fixture block 12 to regulate the state of torsion spring 4, after to be adjusted getting well, fixture block 12 can submerge in counterbore 31 again, now counterbore 31 can remain unchanged and effectively can share fixture block 12, allows torsion spring 4 remain on the state after adjustment.

Below be only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims

1. adjustable automatic hinge, it is characterized in that, comprise hinge axis (1), the first blade (2) and second blade (3) of one side and hinge axis (1) socket, the coil tension spring (5) that is sheathed on the torsion spring (4) of hinge axis (1) one end and is sheathed on hinge axis (1) other end, described hinge axis (1) one end corresponding with torsion spring (4) is provided with fixture block (12), one end corresponding with coil tension spring (5) is provided with briquetting (11), described torsion spring (4) is positioned at the inside of the first blade (2) and the second blade (3), its one end is connected with fixture block (12), the other end is connected with the first blade (2), on described the second blade (3), offer the counterbore (31) matching with fixture block (12), described coil tension spring (5) is positioned at the inside of the first blade (2) or the second blade (3), its one end is connected with corresponding the first blade (2) or the second blade (3), the other end is connected with briquetting (11).

2. adjustable automatic hinge according to claim 1, is characterized in that, the external surface of described fixture block (12) offers hexagonal counterbore (121).

3. adjustable automatic hinge according to claim 1 and 2, is characterized in that, the surrounding of described fixture block (12) is provided with projection (122), and described counterbore (31) is provided with the groove (311) matching with projection (122) around.

4. adjustable automatic hinge according to claim 3, is characterized in that, the outer sleeve (6) that is arranged with of described torsion spring (4).

5. according to the adjustable automatic hinge described in claim 1 or 4, it is characterized in that, described fixture block (12) offers the locating hole (123) corresponding with torsion spring (4) one end, and described the first blade (2) is provided with the locating slot (21) corresponding with torsion spring (4) other end.

6. adjustable automatic hinge according to claim 5, is characterized in that, between described the first blade (2) and the second blade (3), is provided with cushion block (7), described cushion block (7) and hinge axis (1) socket.

7. according to the adjustable automatic hinge described in claim 1 or 6, it is characterized in that described hinge axis (1) and fixture block (12) structure that is formed in one.