CN212802911U

CN212802911U - Anti-disengagement hinge

Info

Publication number: CN212802911U
Application number: CN202021420987.XU
Authority: CN
Inventors: 殷利丰
Original assignee: Zhejiang Liangjiang Cabinet Lock Co ltd
Current assignee: Zhejiang Liangjiang Cabinet Lock Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-26
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a hinge that anticreep goes out solves the problem that the installation pin axle is wasted time and energy at present stage. Go up the round pin cover and seted up annular card hole on going up, the round pin axle is fitted with a contraceptive ring and is equipped with spacing groove and screens groove, the spacing groove is located annular card hole just to the position on round pin axle installation state, the screens groove is located the lower part position of round pin axle, first cutting ferrule is installed in annular card hole on going up and the ring cover is epaxial at the round pin, and first cutting ferrule offsets with spacing groove spacing cooperation and the round pin axle lower extreme direction when pulling out the state and set up in order to form the screens cooperation with the spacing groove when round pin axle installation state. When the hinge is installed, the pin shaft is upwards pulled out, the first clamping sleeve is sleeved on the position of the limiting groove to the position matched with the clamping position of the clamping groove, the pin shaft is inserted after the hinge is in place, the pin shaft does not need to be completely pulled out in the whole process, the pin shaft is prevented from being separated, the installation of an operator is more convenient, the operation difficulty is reduced, and meanwhile the loss of the pin shaft does not need to be worried.

Description

Anti-disengagement hinge

Technical Field

The utility model relates to a hinge field specifically is a hinge that anticreep goes out.

Background

Hinges are mechanical devices used for connecting two solids and allowing rotation between the two solids, and the hinges in furniture hardware fittings occupy important positions; the hinge generally comprises a first hinge, a second hinge and a pin shaft for connecting the first hinge and the second hinge, wherein the first hinge is generally used for being fixed on a stand column, a frame or a wall body, and the second hinge is fixedly connected with the door, so that the door can rotate around the pin shaft to have two states of opening or closing. In the installation, dismantle the separation with two hinges usually and install respectively on the relevant position, the round pin axle needs to be taken off, take the hinge installation to accomplish the back with the door support to suitable position, make two hinges assemble to round pin axle ability male position, at last insert the round pin axle, however at this in-process, single operation needs the hand to hold the door and inserts the round pin axle again, if the door size is great, need two hands to hold the door and just can accomplish to look for the round pin axle again and insert, the single operation difficulty degree of difficulty increases, it is very hard to waste time, even in the installation, the round pin axle is easily lost, lead to whole hinge inefficacy.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an anti-disengaging hinge, the problem that the installation pin shaft wastes time and energy at present stage is solved.

The technical scheme of the utility model: the hinge comprises a first hinge, a second hinge and a pin shaft for connecting the first hinge and the second hinge, wherein the first hinge comprises an upper pin sleeve and a lower pin sleeve, the upper pin sleeve and the lower pin sleeve are respectively rotatably connected with the upper part and the lower part of the pin shaft, the hinge also comprises a first clamping sleeve, the upper pin sleeve is provided with an upper annular clamping hole, the pin shaft is provided with a limiting groove and a clamping groove, the limiting groove is positioned right opposite to the upper annular clamping hole in the pin shaft installation state, the clamping groove is positioned on the lower part of the pin shaft, the first clamping sleeve is arranged in the upper annular clamping hole and sleeved on the pin shaft, the pin shaft is stressed to enable the first clamping sleeve to slide between the limiting groove and the clamping groove, and the first clamping sleeve is in limit fit with the limiting groove in the pin shaft installation state and abuts against the groove wall in the lower end direction of the clamping groove in the pin shaft pulling state to form clamping fit; the minimum distance between the upper annular clamping hole and the second hinge is greater than or equal to the minimum distance between the clamping groove and the lower end of the pin shaft.

By adopting the technical scheme, when the hinge is installed, the pin shaft is upwards pulled out, the first clamping sleeve is sleeved on the position from the limiting groove to the position matched with the clamping position of the clamping groove, the pin shaft is inserted after the hinge is in place, the pin shaft is not required to be completely pulled out in the whole process, the pin shaft is prevented from being separated, the installation of an operator is more convenient, the operation difficulty is reduced, and meanwhile, the loss of the pin shaft is not required to be worried.

The utility model discloses a further setting: the two side groove walls of the limit groove are in a slope shape which inclines upwards from the groove bottom.

By adopting the above further arrangement, the first clamping sleeve and the limiting groove can form a limiting effect when the pin shaft is in the mounting state, and the first clamping sleeve can be conveniently separated from the limiting groove when the pin shaft needs to be pulled up.

The utility model discloses a further setting again: the lower end of the clamping groove has a right angle with the groove bottom, and the upper end of the clamping groove has a slope inclined upwards from the groove bottom.

By adopting the above further arrangement, the groove wall in the lower end direction of the clamping groove is abutted against the clamping sleeve to form a clamping effect, and the groove wall in the upper end direction can slide with the first clamping sleeve to be used for inserting the pin shaft.

The utility model discloses a still further set up: the pin shaft installation structure is characterized by further comprising a second clamping sleeve, a lower annular clamping hole is formed in the lower pin sleeve, and the second clamping sleeve is detachably installed in the lower annular clamping hole and sleeved on the clamping groove after the pin shaft is installed.

Adopt above-mentioned still further setting again, the back is packed into to the second cutting ferrule, and the lower extreme direction cell wall in second cutting ferrule and screens groove forms the screens effect to under the condition that the second cutting ferrule was not dismantled again to the round pin axle, can't deviate from the hinge, prevent that the round pin axle breaks away from the hinge when installation operating condition, guarantee the reliability of hinge.

The utility model discloses a still further set up: the first cutting sleeve and the second cutting sleeve are both annular integrally, the inner edges of the first cutting sleeve and the second cutting sleeve are both in a right-angle shape, and openings for the pin shaft to be clamped are formed in the first cutting sleeve and the second cutting sleeve.

By adopting the above further arrangement, the right-angle shape of the inner edge can be propped against the groove wall at the lower end of the clamping groove and can slide on the slope-shaped groove wall under the action of force.

The utility model discloses a still further set up: the upper end of the pin shaft is provided with a handle part along the radial direction extension, and the handle part is propped against the top of the upper pin sleeve in the downward inserting direction.

By adopting the above further arrangement, the handle part is convenient for pulling up the pin shaft and prevents the pin shaft from falling off downwards.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the hinge pin of the present invention;

fig. 3 is a schematic structural view of the present invention with a second card sleeve;

the hinge comprises a first hinge 1, a second hinge 2, a pin shaft 3, a first clamping sleeve 4, an upper pin sleeve 11, a lower pin sleeve 12, an upper annular clamping hole 111, a limiting groove 31, a clamping groove 32, a second clamping sleeve 5, a lower annular clamping hole 121 and a handle part 33.

Detailed Description

As shown in fig. 1 and 2, the anti-falling hinge comprises a first hinge 1, a second hinge 2, a pin shaft 33 connecting the first hinge 1 and the second hinge 2, and a first cutting sleeve 4, wherein the first hinge 1 comprises an upper pin sleeve 11 and a lower pin sleeve 12, the upper pin sleeve 11 and the lower pin sleeve 12 are respectively connected with the upper part and the lower part of the pin shaft 3 in a rotating manner, and the upper pin sleeve 11 is provided with an upper annular clamping hole 111. A limiting groove 31 and a clamping groove 32 are annularly arranged on the pin shaft 3, the limiting groove 31 is positioned at the position opposite to the upper annular clamping hole 111 in the installation state of the pin shaft 3, and the groove walls on the two sides of the limiting groove 31 are in a slope shape which inclines upwards from the groove bottom; the clamping groove 32 is positioned at the lower part of the pin shaft 3, the included angle between the groove wall of the clamping groove 32 in the lower end direction and the groove bottom is in a right-angle shape, and the groove wall of the clamping groove in the upper end direction is in a slope shape which inclines upwards from the groove bottom. The first cutting ferrule 4 is arranged in the upper annular clamping hole 111 and sleeved on the pin shaft 3 in a sleeved mode, the pin shaft 33 is stressed to enable the first cutting ferrule 4 to slide between the limiting groove 31 and the clamping groove 32, and when the first cutting ferrule 4 is in an installation state of the pin shaft 3, the first cutting ferrule 4 is in limiting sleeved connection with the bottom position of the limiting groove 31 due to the slope shapes of the two sides of the limiting groove 31; in the process of pulling up the pin shaft 3, the first cutting sleeve 4 slides out of the limiting groove 31 to be separated from a limiting state under the action of force, then the first cutting sleeve 4 slides to the clamping groove 32 along the pin shaft 3, because the included angle between the groove wall at the lower end of the clamping groove 32 and the groove bottom is in a right-angle shape, the first cutting sleeve 4 is propped against the groove wall at the lower end of the clamping groove 32 to form a clamping effect, and the pin shaft 3 is in the pulled-up state; after the hinge is in place, the lower pin shaft 3 is inserted, the first clamping sleeve 4 slides out from the slope-shaped groove wall in the upper end direction of the clamping groove 32, the first clamping sleeve 4 slides back to the limiting groove 31 along the pin shaft 3 to form limiting fit, the pin shaft 3 is inserted from the upper pin sleeve 11, penetrates through the second hinge 2 and then is inserted into the lower pin sleeve 12, and the hinge effect is achieved. The minimum distance between the upper annular clamping hole 111 and the second hinge 2 is greater than or equal to the minimum distance between the clamping groove 32 and the lower end of the pin shaft 33, so that the second hinge 2 can be taken out only when the pin shaft 3 is pulled out. The whole process does not need to completely pull out the pin shaft 3, the pin shaft 3 is prevented from being completely separated, and the operation difficulty of operators is reduced.

As shown in fig. 3, the pin shaft 3 further comprises a second sleeve chuck 5, the lower pin sleeve 12 is provided with a lower annular clamping hole 121, after the installation of the pin shaft 3 is completed, the second sleeve chuck 5 is installed in the lower annular clamping hole 121 and is sleeved on the clamping groove 32, and the lower end direction groove walls of the second sleeve chuck 5 and the clamping groove 32 form a clamping effect, so that the pin shaft 3 cannot be pulled out; before the pin shaft 3 needs to be disassembled and assembled, the second clamping sleeve 5 needs to be disassembled.

The first cutting sleeve 4 and the second cutting sleeve 5 are identical in shape, the whole shape of the first cutting sleeve and the second cutting sleeve is circular, the inner edge of the first cutting sleeve and the second cutting sleeve is right-angled, and an opening for the pin shaft 3 to be clamped in is further formed. The right angle shape of the inner edge can be abutted against the groove wall at the lower end of the clamping groove 32.

The upper end of the pin shaft 3 is provided with a handle part 33 along the radial direction of the pin shaft 3, and the handle part 33 is propped against the top of the upper pin sleeve 11 in the downward inserting direction. The pin shaft 3 is integrally L-shaped, and the handle part 33 is convenient for pulling up the pin shaft 3 and prevents the pin shaft 3 from falling off downwards.

Claims

1. The utility model provides a hinge that anticreep was come out, includes first hinge, second hinge and connects the round pin axle of first hinge, second hinge, including last pin bush and lower pin bush on the first hinge, go up the pin bush, lower pin bush respectively with the upper portion of round pin axle, lower part rotate be connected its characterized in that: the first clamping sleeve is arranged in the upper annular clamping hole and sleeved on the pin shaft in a sleeved mode, the pin shaft is stressed to enable the first clamping sleeve to slide between the limiting groove and the clamping groove, and the first clamping sleeve is in limit fit with the limiting groove in the installation state of the pin shaft and abuts against the lower end direction groove wall of the clamping groove in the pulling-up state of the pin shaft to form clamping fit; the minimum distance between the upper annular clamping hole and the second hinge is greater than or equal to the minimum distance between the clamping groove and the lower end of the pin shaft.

2. The anti-pop-out hinge of claim 1, wherein: the groove walls on the two sides of the limiting groove are in a slope shape which inclines upwards from the groove bottom.

3. The anti-pop-out hinge of claim 1, wherein: the lower extreme direction cell wall of screens groove is the right angle shape with the contained angle of tank bottom, and the cell wall of its upper end direction is from the slope form of tank bottom tilt up.

4. The anti-pop-out hinge of claim 1, wherein: the pin shaft installation structure is characterized by further comprising a second clamping sleeve, a lower annular clamping hole is formed in the lower pin sleeve, and the second clamping sleeve is detachably installed in the lower annular clamping hole and sleeved on the clamping groove after the pin shaft is installed.

5. The anti-pop-out hinge of claim 4, wherein: the first clamping sleeve and the second clamping sleeve are both annular integrally, the inner edges of the first clamping sleeve and the second clamping sleeve are both in a right-angle shape, and openings for clamping the pin shafts are formed in the first clamping sleeve and the second clamping sleeve.

6. The anti-pop-out hinge of claim 1, wherein: the upper end of the pin shaft is provided with a handle part along the radial direction of the pin shaft in an extending mode, and the handle part is abutted to the top of the upper pin sleeve in the downward inserting direction.