CN216197364U

CN216197364U - Vacuum box hinge

Info

Publication number: CN216197364U
Application number: CN202122311385.1U
Authority: CN
Inventors: 方必坤
Original assignee: Guangdong Shangkun Industrial Technology Co ltd
Current assignee: Guangdong Shangkun Industrial Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-05
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a vacuum box hinge which comprises a first hinge seat, a second hinge seat and a movable block, wherein the first hinge seat and the second hinge seat are hinged together and can be opened and closed relatively, the movable block is assembled on the second hinge seat and can move towards the direction close to or far away from the first hinge seat, the first hinge seat is fixedly connected with a first carrier, the movable block is fixedly connected with a second carrier, and the first carrier and the second carrier are matched and cooperated to work. The utility model utilizes the mutual hinge joint of the first hinge seat and the second hinge seat to obtain the function of relative opening and closing, and utilizes the relative activity relation of the movable block to obtain the reserved space for pressure relief or pressurization, thereby meeting the switching use between positive pressure and negative pressure of the vacuum box. The hinge disclosed by the utility model can separate rotation from movement, avoid the condition of rotation interference or jamming, solve the problems of easiness in damage and potential safety hazard of the traditional hinge, and has the advantages of long service life, better economy and practicability.

Description

Vacuum box hinge

Technical Field

The utility model relates to the technical field of hinges, in particular to a hinge which is used for a vacuum box and can meet the requirements of opening and closing a box body and a box door and realize pressure relief or pressurization.

Background

Along with the development of the industry, the types, different performances and functions of industrial boxes are greatly changed, and the most obvious point is that the requirements on the environment in the boxes are higher and higher, for example, some boxes have a sealing function and some boxes have the requirements on high temperature, high pressure and the like; some industrial boxes have positive pressure or negative pressure in the box under different conditions.

Because the traditional hinge has no sliding distance between the shafts playing the role of intermediate connection, and no reserved space is used for pressure relief or pressurization when the hinge is opened and closed, the hinge shaft of the existing industrial box body has no reserved movable distance, and the conversion between positive pressure and negative pressure cannot be realized; the hinge shaft is easily damaged due to different air pressures inside and outside the box body, so that the industrial box body needs to be maintained, even danger is brought to operators, and potential safety hazards exist. Then, the vacuum box hinge disclosed in chinese patent No. 201320025930.3, which was applied earlier by the present applicant, is formed, and by increasing the aperture size of the right through hole, the hinge shaft can be displaced in the right through hole along the aperture direction of the right through hole during operation, so that the position adjustment between the left hinge block and the right hinge block is realized, and the conversion between positive pressure and negative pressure can be achieved. However, when the structure is applied, the hinge shaft is a rotating fulcrum, and meanwhile, the hinge shaft is required to move in a coordinated manner, so that the interference or blocking condition is easy to occur, the hinge shaft cannot be adjusted well and stably, the hinge shaft is easy to distort and deform, and the service life is short.

Disclosure of Invention

The utility model aims to provide a vacuum box hinge, which solves the problems that the traditional hinge is easy to damage and has potential safety hazards, and meanwhile, the condition of interference or blockage is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a vacuum box hinge comprises a first hinge seat, a second hinge seat and a movable block, wherein the first hinge seat and the second hinge seat are hinged together and can be opened and closed relatively, the movable block is assembled on the second hinge seat and can move towards the direction close to or far away from the first hinge seat, the first hinge seat is fixedly connected with a first carrier, the movable block is fixedly connected with a second carrier, and the first carrier and the second carrier are matched and cooperated to work.

In the above solution, the second hinge base is provided with an accommodating groove, the accommodating groove is formed by recessing from the bottom surface of the second hinge base, and the movable block is embedded in the accommodating groove and supported by a suspension system for guiding the movement of the movable block.

The suspension system further comprises a guide post, two ends of the guide post are respectively positioned on opposite side walls of the accommodating groove, the movable block is sleeved on the guide post through a preset through hole and moves along the guide post, one end of the movable block, which is close to the first hinge seat, is positioned at an initial position under the action of the elastic piece, and the initial position is defined as the position where the movable block is farthest away from the first hinge seat.

The above scheme is further that the elastic part is a compression spring, the elastic part is sleeved on the guide pillar, one end of the elastic part supports against the side wall of the accommodating groove, and the other end of the elastic part supports against the movable block.

The movable block is provided with an installation plane attached to the second carrier and a first screw hole vertical to the installation plane, the installation plane is parallel to the movement direction of the movable block, and the installation plane protrudes outwards from the bottom surface of the second hinge seat by a certain thickness; and the top surface of the second hinge seat is provided with an avoiding hole which is configured to provide a space required by the first screw hole to be locked into the screw.

The technical scheme is that the number of the guide columns is three, the three guide columns are arranged in a row, the number and the positions of the through holes in the movable block correspond to the three guide columns, and the through holes are in contact connection with the guide columns through embedded shaft sleeves.

The first hinge seat and the second hinge seat are connected through a hinge shaft, a first hinge finger and a first hinge hole formed in the first hinge finger are arranged on the first hinge seat, a second hinge finger and a second hinge hole formed in the second hinge finger are arranged on the second hinge seat, the first hinge finger and the second hinge finger are arranged in a staggered mode, the first hinge hole and the second hinge hole are coaxially butted, the hinge shaft penetrates through the first hinge hole and the second hinge hole, and the hinge shaft is fixed on the first hinge finger; the second hinge base rotates around the hinge shaft through the maintenance of the second hinge hole, so that the second hinge base is hinged with the first hinge base and can move in an opening and closing mode relatively.

In the above scheme, the bottom surface of the second hinge base is provided with a limiting concave part, the limiting concave part is arranged at a position corresponding to the accommodating groove, and the limiting concave part is used for being matched with the movable block to limit the movement.

According to the utility model, the movable block is additionally arranged and assembled on the second hinge seat, and the movable block can move towards the direction close to or far away from the first hinge seat. Therefore, the first hinge seat and the second hinge seat are hinged to obtain a relative opening and closing function, and a reserved space is obtained to release pressure or pressurize by using the relative movement relation of the movable block, so that the positive pressure and the negative pressure of the vacuum box are switched. The hinge disclosed by the utility model can separate rotation from movement, avoid the condition of rotation interference or jamming, solve the problems of easiness in damage and potential safety hazard of the traditional hinge, and has the advantages of long service life, better economy and practicability.

Description of the drawings:

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

FIG. 2 is a schematic bottom view of the embodiment of FIG. 1;

FIG. 3 is an exploded view of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of a partial structural assembly of the embodiment of FIG. 3;

FIG. 5 is a schematic cross-sectional view of a portion of the embodiment of FIG. 1.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3, 4, and 5, which are schematic structural views illustrating a preferred embodiment of the present invention, the present invention relates to a vacuum box hinge, which includes a first hinge base 1 and a second hinge base 2 hinged to each other and capable of opening and closing relatively, and further includes a movable block 3, the movable block 3 is assembled on the second hinge base 2 and capable of moving toward or away from the first hinge base 1, the first hinge base 1 is fixedly connected to a first carrier, the movable block 3 is fixedly connected to a second carrier, and the first carrier and the second carrier cooperate with each other. In this embodiment, the first carrier is a vacuum box, the second carrier is a box door, and the second carrier is opened and closed relative to the first carrier by means of the hinge connection of the second hinge base 2 and the first hinge base 1, so as to open and close the door. Meanwhile, the second carrier is fixedly connected with the movable block 3, the motion of the movable block 3 can be used for meeting the conversion between positive pressure and negative pressure of the vacuum box, the problems that a hinge is easy to damage and has potential safety hazards due to the fact that a shaft of a traditional hinge which plays a middle connection role does not have a sliding distance are solved, meanwhile, the hinge can achieve separation work of rotation and movement, the rotation interference or blocking condition is avoided, the service life is long, and the economical efficiency and the practicability are better.

Referring to fig. 1, 2, 3, 4 and 5, in the present embodiment, a receiving groove 21 is further formed on the second hinge base 2, the receiving groove 21 is formed by recessing from the bottom surface of the second hinge base 2, and the movable block 3 is embedded in the receiving groove 21 and supported by a suspension system for guiding the movable block 3 to move. The suspension system is provided with a guide post 4, two ends of the guide post 4 are respectively positioned on opposite side walls of the accommodating groove 21, the movable block 3 is sleeved on the guide post 4 through a preset through hole 31 and moves along the guide post 4, and one end of the movable block 3 close to the first hinge seat 1 is positioned at an initial position under the action of the elastic piece 5, and the initial position is defined as the position where the movable block 3 is farthest away from the first hinge seat 1. In this embodiment, the elastic member 5 is a compression spring, the elastic member 5 is sleeved on the guide post 4, one end of the elastic member 5 supports against the side wall of the accommodating groove 21, and the other end of the elastic member 5 supports against the movable block 3, so that the structure is simple, and the manufacturing and the assembling are convenient. During this embodiment equipment, movable block 3 cup joints on guide pillar 4 through predetermined through-hole 31 earlier, then assemble snap ring 41 on guide pillar 4, wherein one end of movable block 3 is restricted by snap ring 41, and elastic component 5 is connected to the other end of movable block 3, movable block 3 in the figure widens at the one end of through-hole 31 and forms counter bore 34, this counter bore 34 supplies elastic component 5 to insert the equipment, the equipment hole of seting up on the relative lateral wall of accepting groove 21 is pegged graft in the both ends of guide pillar 4 that runs through movable block 3 respectively to the location afterwards, can accomplish movable block 3 and assemble, obtain the initial position and the motion direction of movable block 3 simultaneously. In this embodiment, there are three guide posts 4, and the three guide posts 4 are arranged in a row, the number and the positions of the through holes 31 on the movable block 3 correspond to the three guide posts 4, and the through holes 31 are in contact connection with the guide posts 4 through the embedded shaft sleeves 6. This structure increases movable block 3 equipment implementation structure nature, promotes the use efficiency and life-span, and the quantity of guide pillar 4 also can be set for according to actual product requirement, does not limit the scope of protection of this application here.

Referring to fig. 1, 2, 3, 4 and 5, in this embodiment, the movable block 3 has a mounting plane 32 attached to the second carrier and a first screw hole 33 perpendicular to the mounting plane 32, the mounting plane 32 is parallel to the moving direction of the movable block 3, and the mounting plane 32 protrudes outward from the bottom surface of the second hinge base 2 by a certain thickness, so that the mounting plane 32 is attached to the second carrier, and then the movable block 3 is fixedly connected to the second carrier by passing a screw through the first screw hole 33. In this embodiment, the top surface of the second hinge base 2 is provided with an avoiding hole 22, and the avoiding hole 22 is configured to provide a space required for the first screw hole 33 to lock a screw, so that the movable block 3 is fixedly connected with the second carrier after being assembled to the second hinge base 2, which is convenient for installation and implementation and is also convenient for maintenance; in this embodiment, the top surface of the second hinge base 2 is further provided with a first upper cover 8, the first upper cover 8 is movably connected with the second hinge base 2 in a buckling manner, and the first upper cover 8 effectively covers the avoiding hole 22, so that the external sense of integrity of the second hinge base 2 is improved. The bottom surface of the second hinge base 2 is provided with a limit concave part 25, the limit concave part 25 is arranged corresponding to the position of the containing groove 21, the limit concave part 25 in the figure crosses the bottom surface of the second hinge base 2, the containing groove 21 is completely arranged in the limit concave part 25, and the limit concave part 25 is used for matching with the movement limit of the movable block 3. As shown in the figure, the two side ends of the movable block 3 are also provided with lug parts 35 which protrude outwards transversely, the lug parts 35 extend out of the accommodating grooves 21 and are lapped on the bottom surface of the limiting concave part 25, when the movable block 3 moves, the lug parts 35 move in the limiting concave part 25 and are matched with the limiting concave part 25 to limit the movement of the movable block 3, the structure further increases the product assembling structure, and the service performance of the vacuum box hinge is improved.

In the present embodiment, the first hinge base 1 and the second hinge base 2 are preferably in the form of hardware and are flat, and can be manufactured by die casting. The bottom surface of the first hinge seat 1 is used for being attached to a first carrier, the first hinge seat 1 is provided with a second screw hole 13, and a corresponding screw penetrates through the second screw hole 13 to fixedly connect the first hinge seat 1 with the first carrier. The top surface of the first hinge base 1 is also provided with a second upper cover 9, the second upper cover 9 is movably buckled and connected with the first hinge base 1, and the second upper cover 9 effectively covers the second screw hole 13, so that the external integral feeling of the first hinge base 1 is improved. The first hinge seat 1 and the second hinge seat 2 are connected through a hinge shaft 7, a first hinge finger 11 and a first hinge hole 12 formed in the first hinge finger 11 are arranged on the first hinge seat 1, a second hinge finger 23 and a second hinge hole 24 formed in the second hinge finger 23 are arranged on the second hinge seat 2, the first hinge finger 11 and the second hinge finger 23 are arranged in a staggered mode, the first hinge hole 12 and the second hinge hole 24 are coaxially butted, the hinge shaft 7 penetrates through the first hinge hole 12 and the second hinge hole 24, and the hinge shaft 7 is fixed on the first hinge finger 11; the second hinge base 2 rotates around the hinge shaft 7 through the maintenance of the second hinge hole 24, and the second hinge base 2 is hinged with the first hinge base 1 and can move in an opening and closing mode. Simple structure, convenient preparation and equipment.

The utility model is used on a vacuum box, connects the vacuum box body and a box door together and realizes relative opening and closing, and the utility model specifically works as follows: the pressure needs to be relieved before the door is opened, the movable block 3 moves towards the direction far away from the first hinge seat 1 under the action of the elastic piece 5, a certain space is opened at the connecting part of the door and the vacuum box body for pressure relief, and then the door is opened safely. On the contrary, after the box door is closed, negative pressure is generated in the vacuum box body through vacuum pumping, the box door is further closed tightly under the action of air pressure by virtue of the characteristics of the movable block 3, the movable block 3 moves towards the direction close to the first hinge seat 1, and the elastic piece 5 is compressed to store force, so that the box door is tightly closed, and the using effect of the vacuum box is improved.

While the preferred embodiments of the utility model have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A vacuum box hinge comprises a first hinge seat (1) and a second hinge seat (2) which are hinged together and can be opened and closed relatively, and is characterized in that: the hinge assembly is characterized by further comprising a movable block (3), the movable block (3) is assembled on the second hinge seat (2) and can move towards the direction close to or far away from the first hinge seat (1), the first hinge seat (1) is fixedly connected with a first carrier, the movable block (3) is fixedly connected with a second carrier, and the first carrier and the second carrier are matched and cooperated to work.

2. A vacuum box hinge according to claim 1, wherein: the second hinge seat (2) is provided with a containing groove (21), the containing groove (21) is formed by recessing from the bottom surface of the second hinge seat (2), and the movable block (3) is embedded in the containing groove (21) and supported by a suspension system for guiding the movable block (3) to move.

3. A vacuum box hinge according to claim 2, wherein: the suspension system is provided with a guide post (4), two ends of the guide post (4) are respectively positioned on opposite side walls of the accommodating groove (21), the movable block (3) is sleeved on the guide post (4) through a preset through hole (31) and moves along the guide post (4), one end, close to the first hinge seat (1), of the movable block (3) is positioned at an initial position under the action of the elastic piece (5), and the initial position is defined as the position, farthest away from the first hinge seat (1), of the movable block (3).

4. A vacuum box hinge according to claim 3, wherein: the elastic piece (5) is a compression spring, the elastic piece (5) is sleeved on the guide pillar (4), one end of the elastic piece (5) supports against the side wall of the accommodating groove (21), and the other end of the elastic piece (5) supports against the movable block (3).

5. A vacuum box hinge according to any one of claims 1 to 4, characterized in that: the movable block (3) is provided with an installation plane (32) attached to the second carrier and a first screw hole (33) vertical to the installation plane (32), the installation plane (32) is parallel to the moving direction of the movable block (3), and the installation plane (32) protrudes outwards from the bottom surface of the second hinge seat (2) by a certain thickness; and an avoiding hole (22) is formed in the top surface of the second hinge seat (2), and the avoiding hole (22) is configured to provide a space required by the first screw hole (33) to be locked into a screw.

6. A vacuum box hinge according to claim 3 or 4, characterized in that: the number of the guide posts (4) is three, the three guide posts (4) are arranged in a row, the number and the positions of the through holes (31) in the movable block (3) correspond to the three guide posts (4), and the through holes (31) are in contact connection with the guide posts (4) through embedded shaft sleeves (6).

7. A vacuum box hinge according to claim 1, wherein: the first hinge seat (1) is connected with the second hinge seat (2) through a hinge shaft (7), a first hinge finger (11) and a first hinge hole (12) formed in the first hinge finger (11) are arranged on the first hinge seat (1), a second hinge finger (23) and a second hinge hole (24) formed in the second hinge finger (23) are arranged on the second hinge seat (2), the first hinge finger (11) and the second hinge finger (23) are arranged in a staggered mode, the first hinge hole (12) is coaxially butted with the second hinge hole (24), the hinge shaft (7) penetrates through the first hinge hole (12) and the second hinge hole (24), and the hinge shaft (7) is fixed on the first hinge finger (11); the second hinge base (2) rotates around the hinge shaft (7) through the maintenance of the second hinge hole (24), and the second hinge base (2) is hinged with the first hinge base (1) and can move in an opening and closing mode.

8. A vacuum box hinge according to claim 5, characterized in that: the bottom surface of the second hinge seat (2) is provided with a limiting concave part (25), the limiting concave part (25) is arranged corresponding to the position of the accommodating groove (21), and the limiting concave part (25) is used for being matched with the movable block (3) to limit the movement.