CN202441171U

CN202441171U - Hinge for automatically closing door

Info

Publication number: CN202441171U
Application number: CN2012200189556U
Authority: CN
Inventors: 赵沭通; 张跃进
Original assignee: CHINAGRATE COMPOSITES STRUCTURE (NANTONG) Ltd
Current assignee: CHINAGRATE COMPOSITES STRUCTURE (NANTONG) Ltd
Priority date: 2012-01-17
Filing date: 2012-01-17
Publication date: 2012-09-19
Anticipated expiration: 2022-01-17

Abstract

The utility model relates to a hinge for automatically closing a door. The hinge comprises a hinging support and a hinging shaft connection device. The hinging support comprises a mounting bottom board; an upper hinging tongue and a lower hinging tongue, which are inclined, are arranged on the surface of the mounting bottom board; a bearing hole and a first rotating shaft hole, which are arranged up and down, are arranged in each one of the upper hinging tongue and the lower hinging tongue; rotating shafts are aslant inserted in the bearing holes and the first rotating shaft holes; a limiting block is arranged between the upper hinging tongue and the lower hinging tongue; the limiting block is close to one side of the hinging support; the hinging support is connected with the hinging shaft connection device; the hinging shaft connection device comprises a hinging shaft; and the rotating shafts arranged between the upper hinging tongue and the lower hinging tongue are sleeved in second rotating shaft holes at one end of the hinging shaft, and the other end of the hinging shaft is connected with a door frame connection piece. A pin hole is arranged at the tail end of each rotating shaft; pins are inserted into the pin holes; the upper hinging tongue and the lower hinging tongue are inclined clockwise for an angle of 6-14 degrees; and a plurality of bolt holes are arranged on the door frame connection piece. The hinge provided by the utility model has the advantages of simple structure, automatic closing and high security.

Description

The self-closing door hinge

Technical field

The utility model relates to a kind of self-closing door hinge, is mainly used in boats and ships and oil platform security performance than place higher, that require door to close automatically.

Background technology

At present, boats and ships or oil platform to the requirement of security performance than higher, so on boats and ships or oil platform; There is being the place of drop that door can be installed with ground; Door need just can be closed by outer force urges after being opened, and the staff can forget and shuts the door sometimes, and the staff is when work in the workspace aloft like this; Can fall down easily, have potential safety hazard.

Summary of the invention

The purpose of the utility model is in order to overcome above deficiency, provide a kind of simple in structure, can close automatically, self-closing door hinge that security performance is high.

The purpose of the utility model realizes through following technical scheme: a kind of self-closing door hinge, comprise free bearing and hinge linkage, and free bearing comprises the installation base plate; What the surface that base plate is installed was provided with inclination goes up hinge tongue and hinge tongue down, on cut with scissors tongue and the hinge tongue is parallel down, locate to be equipped with bolt hole near the base plate two ends are installed; Last hinge tongue is equipped with the dead eye and first rotational axis hole that is provided with up and down with cutting with scissors down in the tongue, the dead eye and the first rotational axis hole medium dip are inserted with a turning cylinder, all are with top bearing cover and lower bearing end cap on the turning cylinder; Upper bearing (metal) places the dead eye of hinge tongue, and lower bearing places down in the dead eye in the hinge tongue, and the upper bearing (metal) top is provided with top bearing cover; The lower bearing top is provided with the lower bearing end cap; Upper ball cover and lower ball cover all are enclosed within on the turning cylinder, on cut with scissors tongue and down be provided with limited block between the hinge tongue, limited block is near a side of free bearing; Free bearing links to each other with the hinge linkage; The hinge linkage comprises hinge, places the rotary axle box that cuts with scissors between tongue and the following hinge tongue in second rotational axis hole of hinge one end, and the other end of hinge is connected with the doorframe connector.The tail end of turning cylinder is provided with pin-and-hole, is inserted with pin in the pin-and-hole, on cut with scissors tongue and tilt 6 °-14 ° with the following equal clockwise of hinge tongue, the doorframe connector is provided with a plurality of bolts hole.

The utility model compared with prior art has the following advantages:

The utility model has automatic closing function after opening; Closing of safety door need be by outer force urges; Major function is that the relative tilt angle that goes up between hinge tongue and following hinge tongue and the installation base plate of self-closing door hinge is 6 °-14 °; Rely on the deadweight of door that self-closing door is closed door rapidly, in case the staff falls down when work in the workspace aloft, security performance is high like this.

Description of drawings:

Fig. 1 is the structural representation of utility model;

Fig. 2 be among Fig. 1 A to structural representation;

Fig. 3 is the structural representation of free bearing;

Fig. 4 be among Fig. 3 B to structural representation;

Fig. 5 is the structural representation of hinge linkage;

Fig. 6 is the structural representation of turning cylinder;

Label among the figure: 1-installs base plate, the last hinge of 2-tongue, 3-hinge tongue, 4-bolt hole, 5-dead eye, 6-first rotational axis hole, 7-upper bearing (metal), 8-lower bearing, 9-turning cylinder, 10-top bearing cover, 11-lower bearing end cap, 12-limited block, 13-hinge, 14-second rotational axis hole, 15-doorframe connector, 16-pin-and-hole, 17-bolt hole, 18-first step, 19-second step, 20-the 3rd step, 21-pin down.

The specific embodiment:

In order to deepen understanding to the utility model, will combine embodiment and accompanying drawing that the utility model is done further to detail below, this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.

Show a kind of embodiment of the utility model self-closing door hinge like Fig. 1 to Fig. 6, comprise free bearing and hinge linkage, free bearing comprises installs base plate 1; What the surface that base plate 1 is installed was provided with inclination goes up hinge tongue 2 and hinge tongue 3 down, on cut with scissors tongue 2 and hinge tongue 3 is parallel down, locate to be equipped with bolt hole 4 near base plate 1 two ends are installed; Last hinge tongue 2 is equipped with the dead eye 5 and first rotational axis hole 6 that is provided with up and down with cutting with scissors down in the tongue 3,

dead eye

5 and 6 medium dips of first rotational axis hole are inserted with a turning cylinder 9, all are with top bearing cover 10 and lower bearing end cap 11 on the turning cylinder 9; Upper bearing (metal) 7 places the dead eye 5 of hinge tongue 2, and lower bearing 8 places down in the dead eye 5 in the hinge tongue 3, and upper bearing (metal) 7 tops are provided with top bearing cover 10; Lower bearing 8 tops are provided with lower bearing end cap 11, and upper ball cover 10 all is enclosed within on the turning cylinder 9 with lower ball cover 11, on cut with scissors tongue 2 and be provided with limited block 12 between the hinge tongue 3 down; Limited block 12 is near a side of free bearing 1, and closing the arrival certain position when door can stop because of limited block 12, in order to avoid doorframe and installation base plate 1 bump; Protection doorframe and installation base plate 1; Free bearing links to each other with the hinge linkage, and the hinge linkage comprises hinge 13, places the turning cylinder 9 between hinge tongue 2 and the following hinge tongue 3 to be enclosed within second rotational axis hole 14 of hinge 13 1 ends; The other end of hinge 13 is connected with doorframe connector 15; Doorframe connector 15 is provided with a plurality of bolts hole 17, and the tail end of turning cylinder 9 is provided with pin-and-hole 16, is inserted with pin 21 in the pin-and-hole 16.Turning cylinder 9 is made up of first step 18, second step 19 and the 3rd step 20; Second step 19 length have been grown some a little; Avoid making planar friction on the 3rd step 20 lower planes and the top bearing cover 10; With the resistance of reducing friction, on cut with scissors tongue 2 and tilt 6 °-14 ° with hinge tongue 3 equal clockwises down, capable of using deadweight is closed door self-closing door rapidly.

Claims

1. self-closing door hinge; It is characterized in that: said self-closing door hinge comprises free bearing and hinge linkage; Free bearing comprises installs base plate (1); The surface of said installation base plate (1) is provided with going up of inclination and cuts with scissors tongue (2) and cut with scissors tongue (3) down, and said upward hinge tongue (2) and following hinge tongue (3) are parallel, locate to be equipped with bolt hole (4) near said installation base plate (1) two ends; Said going up in hinge tongue (2) and the following hinge tongue (3) is equipped with dead eye (5) and first rotational axis hole (6) that is provided with up and down; Said dead eye (5) and first rotational axis hole (6) medium dip are inserted with a turning cylinder (9), all are with top bearing cover (10) and lower bearing end cap (11) on the said turning cylinder (9), and said upper bearing (metal) (7) places the said said dead eye (5) of going up hinge tongue (2); Said lower bearing (8) places the said said dead eye (5) of hinge tongue (3) down; Said upper bearing (metal) (7) top is provided with top bearing cover (10), and said lower bearing (8) top is provided with lower bearing end cap (11), and said upper ball cover (10) and said lower ball cover (11) all are enclosed within on the said turning cylinder (9); Said going up between hinge tongue (2) and the following hinge tongue (3) is provided with limited block (12); Said limited block (12) is near a side of said free bearing (1), and said free bearing links to each other with said hinge linkage, and said hinge linkage comprises hinge (13); Place the said said turning cylinder (9) of going up hinge tongue (2) and cutting with scissors between the tongue (3) down to be enclosed within second rotational axis hole (14) of said hinge (13) one ends, the other end of said hinge (13) is connected with doorframe connector (15).

2. according to the said self-closing door hinge of claim 1, it is characterized in that: the tail end of said turning cylinder (9) is provided with pin-and-hole (16), is inserted with pin (21) in the said pin-and-hole (16).

3. according to the said self-closing door hinge of claim 1, it is characterized in that: 6 °-14 ° of the equal clockwise inclinations of said upward hinge tongue (2) and following hinge tongue (3).

4. according to the said self-closing door hinge of claim 1, it is characterized in that: said doorframe connector (15) is provided with a plurality of bolts hole (17).