CN213980383U

CN213980383U - Door hinge with automatic door closing function

Info

Publication number: CN213980383U
Application number: CN202022690382.9U
Authority: CN
Inventors: 孙懿
Original assignee: Jiangmen Pengjiang Ou Guan Hardware Products Co ltd
Current assignee: Jiangmen Pengjiang Ou Guan Hardware Products Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-17
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a door hinge with automatic door closing function, including first flabellum and torsional spring, the front end of first flabellum is connected with the locating piece, and the upper and lower both sides of locating piece all are provided with right mounting hole, the left side of first flabellum is connected with first sleeve, and the inside of first sleeve is provided with the pivot pole, the torsional spring sets up in first telescopic below, and the below of torsional spring is provided with the second sleeve, the telescopic left side of second is connected with the second flabellum, and the front end of second flabellum is connected with the fixed plate, the internal connection of fixed plate has the position sleeve, and the other end of position sleeve is connected with the constant head tank, the inside of spring is provided with the telescopic link. This door hinge with automatic door closing function can cooperate the rotation of first flabellum and second flabellum through the torsional spring after setting up, secondly rotates the power that the in-process produced and can make the torsional spring produce deformation, and when external force disappeared, the torsional spring can kick-back to former preset position rapidly, plays the effect of automatic door closing.

Description

Door hinge with automatic door closing function

Technical Field

The utility model relates to a door hinge technical field specifically is a door hinge with automatic door closing function.

Background

The hinge is called hinge formally. Often in the form of a two-fold type, which is a part that connects and moves two parts of an object. The common hinge is used for cupboard doors, windows, doors and the like. The common hinge is used for cupboard doors, windows, doors and the like. The material is iron, copper and stainless steel. The common hinge has the defect that the hinge does not have the function of a spring hinge, various collision beads are required to be arranged after the hinge is installed, and otherwise, wind blows the door panel. The tobacco pipe hinge is also called a spring hinge and is mainly used for connecting furniture door plates. The door hinge comprises a common type and a bearing type, wherein the common type is already described in the front. The bearing type can be made of copper or stainless steel.

The existing common door hinge does not have the functions of automatically closing the door and positioning, the door is opened at every time by the whole-course operation of people, the door needs to be closed at any time, and therefore the functions of automatically closing the door by a user and hovering and positioning at a specific angle cannot be met, so that the labor and time are wasted, a great trouble is caused for life, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing door hinge according to the above conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door hinge with automatic door closing function to propose current ordinary door hinge in solving above-mentioned background art and do not all have the automatic function of closing the door and the location, every time open the door and all lean on people's whole operation, need close the door with the hand, consequently can't satisfy the user and close the door automatically and the function of specific angle location of hovering, so not only hard, waste time, cause very big trouble for the life moreover, can not be fine satisfies people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: a door hinge with an automatic door closing function comprises a first fan blade and a torsion spring, wherein the front end of the first fan blade is connected with a positioning block, and the upper and lower sides of the positioning block are both provided with right mounting holes, the left side of the first fan blade is connected with a first sleeve, and the inside of the first sleeve is provided with a rotating shaft rod, the torsion spring is arranged below the first sleeve, a second sleeve is arranged below the torsion spring, the left side of the second sleeve is connected with a second fan blade, the front end of the second fan blade is connected with a fixed plate, the inside of the fixed plate is connected with a positioning sleeve, the other end of the positioning sleeve is connected with a positioning groove, the inside of the positioning sleeve is connected with a spring, and the other end of the spring is connected with a steel ball, a telescopic rod is arranged in the spring, strong magnets are arranged on the left side and the right side of the rotating shaft rod, and left mounting holes are formed in the upper end and the lower end of the fixing plate.

Preferably, be fixed connection between first flabellum and the first sleeve, be fixed connection between second flabellum and the second sleeve, and first sleeve all sets up to hollow structure with the second sleeve to the pivot pole runs through in first sleeve and the telescopic inside of second, and the appearance structure of first flabellum is the same with the second flabellum simultaneously.

Preferably, the first fan blade, the second fan blade and the torsion spring are elastically connected, and the rotating shaft rod penetrates through the torsion spring.

Preferably, the fixed plate is fixedly connected with the second fan blade, the fixed plate is welded with the positioning sleeve, the fixed plate is axisymmetric relative to the horizontal center line of the positioning groove, and the positioning groove is matched with the appearance structure of the positioning block.

Preferably, the fixed plate is an elastic structure formed by the spring and the steel balls, the fixed plate, the steel balls and the spring are elastically connected, the steel balls are of a spherical structure, the telescopic rod penetrates through the spring, and the number of the steel balls is two.

Preferably, the left mounting hole penetrates through the inside of the second fan blade, the right mounting hole penetrates through the inside of the first fan blade, and the left mounting hole and the right mounting hole are axisymmetrical with respect to a vertical center line of the rotating shaft rod.

Preferably, be fixed connection between first flabellum and the second flabellum and the powerful magnet, and powerful magnet is provided with four to the material of first flabellum and second flabellum all sets up to carbon element structural steel material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the first fan blade can be connected with the rotating shaft rod through the first sleeve after being arranged, and meanwhile, the second fan blade can be connected with the rotating shaft rod through the second sleeve, so that the first fan blade and the second fan blade can have a rotating effect; the arranged torsion spring can be matched with the first fan blade and the second fan blade to rotate, the torsion spring can be deformed by force generated in the rotating process, and when external force disappears, the torsion spring can quickly rebound to the original preset position, so that the effect of automatically closing the door is achieved, and the problem that most of the existing hinges for doors and windows do not automatically close the door is solved;

2. the positioning block can be clamped in the positioning groove under the mutual matching of the steel balls through the arranged positioning block, so that the positioning effect is realized, the inconvenience caused by automatic door closing during use is avoided, and the positioning block can be freely selected; the steel balls can be extruded when the positioning blocks enter the positioning grooves through the springs and the steel balls by the aid of the arranged fixing plate, so that the steel balls move inwards, the springs deform while moving to form elastic force, the positioning blocks are limited and fixed by the steel balls, and the positioning blocks are prevented from being separated from the positioning grooves due to resilience of the torsion springs;

3. can cooperate the screw to make the second flabellum install on the door frame through the left mounting hole after setting up, make first flabellum install on the door through right mounting hole simultaneously, fix the front end at first flabellum and second flabellum through the powerful magnet after setting up, there is homopolar repulsion's power between magnet simultaneously, can promote first flabellum when the door is opened and keep away from the second flabellum, promote the door plant and close, reached the effect that promotes door and window and close.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the joint between the fixing plate and the spring of the present invention;

FIG. 3 is a schematic view of the structure of the junction between the first blade and the first sleeve;

FIG. 4 is a schematic side sectional view of the present invention;

in the figure: 1. a first fan blade; 2. a first sleeve; 3. a second fan blade; 4. a second sleeve; 5. a spindle rod; 6. a torsion spring; 7. a left mounting hole; 8. a right mounting hole; 9. a fixing plate; 10. a positioning sleeve; 11. positioning a groove; 12. positioning blocks; 13. steel balls; 14. a spring; 15. a telescopic rod; 16. a strong magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a door hinge with an automatic door closing function comprises a first fan blade 1 and a torsion spring 6, wherein the front end of the first fan blade 1 is connected with a positioning block 12, the upper side and the lower side of the positioning block 12 are respectively provided with a right mounting hole 8, the left side of the first fan blade 1 is connected with a first sleeve 2, a rotating shaft rod 5 is arranged inside the first sleeve 2, the torsion spring 6 is arranged below the first sleeve 2, a second sleeve 4 is arranged below the torsion spring 6, the left side of the second sleeve 4 is connected with a second fan blade 3, the front end of the second fan blade 3 is connected with a fixing plate 9, the inside of the fixing plate 9 is connected with a positioning sleeve 10, the other end of the positioning sleeve 10 is connected with a positioning groove 11, the inside of the positioning sleeve 10 is connected with a spring 14, the other end of the spring 14 is connected with a steel ball 13, the inside of the spring 14 is provided with a telescopic rod 15, the left side and the right side of the rotating shaft rod 5 are respectively provided with a strong magnet 16, the upper and lower both ends of fixed plate 9 all are provided with left mounting hole 7.

The utility model discloses in: the first fan blade 1 is fixedly connected with the first sleeve 2, the second fan blade 3 is fixedly connected with the second sleeve 4, the first sleeve 2 and the second sleeve 4 are both of hollow structures, the rotating shaft rod 5 penetrates through the first sleeve 2 and the second sleeve 4, and the first fan blade 1 and the second fan blade 3 are identical in appearance structure; first flabellum 1 after setting up can be connected with pivot pole 5 through first sleeve 2, and second flabellum 3 can be connected with pivot pole 5 through second sleeve 4 simultaneously, makes first flabellum 1 and second flabellum 3 can play the pivoted effect.

The utility model discloses in: the first fan blade 1 and the second fan blade 3 are elastically connected with the torsion spring 6, and the rotating shaft rod 5 penetrates through the torsion spring 6; can cooperate the rotation of first flabellum 1 and second flabellum 3 through torsional spring 6 after setting up, secondly rotate the power that the in-process produced and can make torsional spring 6 produce deformation, when external force disappears, torsional spring 6 can kick-back to former preset position rapidly, plays the effect of automatic closing the door, has solved the hinge that present most door and window used and has not had the problem of automatic closing the door.

The utility model discloses in: the fixing plate 9 is fixedly connected with the second fan blade 3, the fixing plate 9 is welded with the positioning sleeve 10, the fixing plate 9 is axisymmetric with respect to the horizontal center line of the positioning groove 11, and the positioning groove 11 is matched with the shape structure of the positioning block 12; the positioning block 12 arranged behind can be clamped in the positioning groove 11 under the mutual matching of the steel balls 13, so that the positioning effect is realized, the inconvenience caused by automatic door closing during use is avoided, and the positioning block 12 can be freely selected.

The utility model discloses in: the fixing plate 9 and the steel balls 13 form an elastic structure through springs 14, the fixing plate 9, the steel balls 13 and the springs 14 are elastically connected, the steel balls 13 are arranged in a spherical structure, the telescopic rods 15 penetrate through the springs 14, and the number of the steel balls 13 is two; the steel ball 13 can be extruded when the positioning block 12 enters the positioning groove 11 through the spring 14 and the steel ball 13 of the fixing plate 9 after being arranged, so that the steel ball 13 moves inwards, the spring 14 deforms while moving to form elastic force, the steel ball 13 carries out limiting and fixing on the positioning block 12, and the positioning block 12 is prevented from being separated from the positioning groove 11 due to the rebounding of the torsion spring 6.

The utility model discloses in: the left mounting hole 7 penetrates through the inside of the second fan blade 3, the right mounting hole 8 penetrates through the inside of the first fan blade 1, and the left mounting hole 7 and the right mounting hole 8 are axisymmetrical with respect to the vertical center line of the rotating shaft rod 5; the second fan blade 3 can be installed on the door frame through the left installation hole 7 after being arranged and matched with a screw, and meanwhile, the first fan blade 1 is installed on the door through the right installation hole 8.

The utility model discloses in: the first fan blade 1, the second fan blade 3 and the strong magnets 16 are fixedly connected, four strong magnets 16 are arranged, and the first fan blade 1 and the second fan blade 3 are made of carbon structural steel; the strong magnet 16 arranged behind is fixed at the front ends of the first fan blade 1 and the second fan blade 3, and meanwhile, like-pole repulsion force exists between the magnets, so that the first fan blade 1 can be pushed to be away from the second fan blade 3 when the door is opened, the door plate is pushed to be closed, and the effect of pushing the door and window to be closed is achieved.

This door hinge with automatic door closing function's theory of operation: when in use, the second fan blade 3 is firstly installed on a door frame through the left installation hole 7 and the matched screw, the first fan blade 1 is installed on the door plate through the right installation hole 8, and then the first fan blade 1 can be connected with the rotating shaft rod 5 through the first sleeve 2 connected with the left side when the door plate is pushed, so that the rotating shaft rod 5 on the left side of the first fan blade 1 can rotate outside the rotating shaft rod 5, the torsion spring 6 below the first sleeve 2 can be deformed by the force generated in the rotating process, when the external force disappears, the torsion spring 6 can rapidly rebound to the original preset position, the effect of automatically closing the door is achieved, the problem that most of the conventional hinges for doors and windows do not have the function of automatically closing the door is solved, the privacy of a user is protected, and meanwhile, the strong magnets 16 on the two sides of the rotating shaft rod 5 can utilize the force of homopolar repulsion between the magnets, so that the first fan blade 1 is pushed to be away from the second fan blade 3 when the door is opened, promote the door plant and close, cooperation torsional spring 6 reaches the effect that promotes door and window and close, secondly when needs are spacing to the door plant, can be connected with the front end of first flabellum 1 in locating piece 12 inserts constant head tank 11, locating piece 12 causes the extrusion to steel ball 13 in the position sleeve 10 when male, thereby make steel ball 13 inwards move, make spring 14 produce deformation when moving, form elasticity, thereby make steel ball 13 carry out spacing fixed to the groove of locating piece 12, the inside telescopic link 15 of spring 14 can avoid spring 14 to break away from former predetermined work track when flexible simultaneously, when needs are closed the door, can energetically stimulate the door plant and make locating piece 12 break away from constant head tank 11, the elasticity door plant through torsional spring 6 closes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a door hinge with automatic door closing function, includes first flabellum (1) and torsional spring (6), its characterized in that: the front end of the first fan blade (1) is connected with a positioning block (12), the upper side and the lower side of the positioning block (12) are respectively provided with a right mounting hole (8), the left side of the first fan blade (1) is connected with a first sleeve (2), a rotating shaft rod (5) is arranged inside the first sleeve (2), the torsion spring (6) is arranged below the first sleeve (2), a second sleeve (4) is arranged below the torsion spring (6), the left side of the second sleeve (4) is connected with a second fan blade (3), the front end of the second fan blade (3) is connected with a fixing plate (9), the inside of the fixing plate (9) is connected with a positioning sleeve (10), the other end of the positioning sleeve (10) is connected with a positioning groove (11), the inside of the positioning sleeve (10) is connected with a spring (14), and the other end of the spring (14) is connected with a steel ball (13), the spring (14) is internally provided with a telescopic rod (15), the left side and the right side of the rotating shaft rod (5) are respectively provided with a powerful magnet (16), and the upper end and the lower end of the fixing plate (9) are respectively provided with a left mounting hole (7).

2. The door hinge with the automatic door closing function according to claim 1, wherein: be fixed connection between first flabellum (1) and first sleeve (2), be fixed connection between second flabellum (3) and second sleeve (4), and first sleeve (2) and second sleeve (4) all set up to hollow structure to pivot pole (5) run through in the inside of first sleeve (2) and second sleeve (4), and first flabellum (1) is the same with the appearance structure of second flabellum (3) simultaneously.

3. The door hinge with the automatic door closing function according to claim 1, wherein: the first fan blade (1), the second fan blade (3) and the torsion spring (6) are elastically connected, and the rotating shaft rod (5) penetrates through the torsion spring (6).

4. The door hinge with the automatic door closing function according to claim 1, wherein: the fixing plate (9) is fixedly connected with the second fan blade (3), the fixing plate (9) is welded with the positioning sleeve (10), the fixing plate (9) is axisymmetric relative to the horizontal center line of the positioning groove (11), and the positioning groove (11) is matched with the positioning block (12) in shape structure.

5. The door hinge with the automatic door closing function according to claim 1, wherein: the fixing plate (9) is of an elastic structure formed between the spring (14) and the steel ball (13), the fixing plate (9), the steel ball (13) and the spring (14) are both in elastic connection, the structure of the steel ball (13) is of a spherical structure, the telescopic rod (15) penetrates through the inside of the spring (14), and the number of the steel balls (13) is two.

6. The door hinge with the automatic door closing function according to claim 1, wherein: the left mounting hole (7) penetrates through the inside of the second fan blade (3), the right mounting hole (8) penetrates through the inside of the first fan blade (1), and the left mounting hole (7) and the right mounting hole (8) are axially symmetrical about the vertical center line of the rotating shaft rod (5).

7. The door hinge with the automatic door closing function according to claim 1, wherein: be fixed connection between first flabellum (1) and second flabellum (3) and powerful magnet (16), and powerful magnet (16) are provided with four to the material of first flabellum (1) and second flabellum (3) all sets up to carbon element structural steel material.