CN216130731U

CN216130731U - Heavy world hinge of dual spring

Info

Publication number: CN216130731U
Application number: CN202122491741.2U
Authority: CN
Inventors: 廖天明
Original assignee: Guangdong Kolity Home Hardware Co ltd
Current assignee: Guangdong Kolity Home Hardware Co ltd
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-03-25
Anticipated expiration: 2031-10-16

Abstract

The utility model discloses a heavy-duty world hinge with double springs, which comprises a fixed shell and a movable assembly, wherein a middle plate is arranged in the fixed shell, the middle plate is connected with the movable assembly through a first swing arm and a second swing arm, a positioning seat is arranged in the fixed shell, the positioning seat and the middle plate are mutually positioned in the front-back direction, a front-back positioning screw is screwed on the positioning seat, the front-back positioning screw is rotatably connected with the fixed shell, a sliding groove is formed in the positioning seat, an inner convex block is formed on the inner wall of the fixed shell, and the inner convex block is in matched linear sliding connection with the corresponding sliding groove. The world hinge of the utility model has cleaner appearance, makes the fixed outer casing easy to clean, is favorable for selling, and avoids the position adjusting function of the world hinge from being influenced by the entering of debris or sundries into the fixed outer casing.

Description

Heavy world hinge of dual spring

Technical Field

The utility model relates to the field of furniture, in particular to a double-spring heavy type top and bottom hinge.

Background

At present, a top and bottom hinge is a hinge suitable for being installed at the lower end and the upper end of an aluminum frame cabinet door, in order to enable the cabinet door to be in a correct position after being closed, the top and bottom hinge has functions of front and back positioning, left and right positioning and up and down positioning, the part of the top and bottom hinge installed on the cabinet body comprises a fixed shell, the fixed shell is embedded in the cabinet body, a middle plate is arranged in the fixed shell, the middle plate is hinged with the part of the top and bottom hinge installed on the cabinet door, the top and bottom hinge is provided with a front and back positioning screw, the front and back positioning screw is used for driving the middle plate to be positioned in the front and back direction, a rectangular through hole is formed in the fixed shell in the prior art, a positioning seat connected with the middle plate is provided with a convex part, and the convex part can slide in the rectangular through hole; during the process of embedding and installing the fixed shell into the cabinet body, metal scraps or sundries of the cabinet body can fall between the rectangular through hole and the raised part, so that the positioning function of the top and bottom hinge is affected, and dust or sundries can be accumulated in the rectangular through hole during the transportation and storage of the top and bottom hinge, and the rectangular through hole causes the appearance of the top and bottom hinge to be poor during the sale process, and the structural arrangement of the top and bottom hinge in the prior art is unreasonable, so that improvement is needed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a double-spring heavy type top and bottom hinge which is reasonable in structural arrangement.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses a double-spring heavy type top and bottom hinge which comprises a fixed shell and a movable assembly, wherein a middle plate is arranged in the fixed shell and connected with the movable assembly through a first swing arm and a second swing arm, a positioning seat is arranged in the fixed shell, the positioning seat and the middle plate are mutually positioned in the front and rear direction, a front positioning screw and a rear positioning screw are screwed on the positioning seat, the front positioning screw and the rear positioning screw are rotatably connected with the fixed shell, a sliding groove is formed in the positioning seat, an inner convex block is formed in the inner wall of the fixed shell, and the inner convex block is in fit linear sliding connection with the corresponding sliding groove.

Preferably, first swing arm is connected with and is used for the drive compression spring that the movable assembly closed, compression spring locates within the fixed shell, first swing arm through first hinge pin with the medium plate is connected, the inside of fixed shell is equipped with the torsional spring, the one end of torsional spring is formed with first torque arm, the corresponding other end of torsional spring is formed with the second torque arm, first torque arm with first swing arm contact is connected, the second torque arm with the medium plate is connected, first swing arm receives the power of torsional spring is right the torque direction of first hinge pin with first swing arm receives compression spring's power is to the torque direction of first hinge pin is the same.

Preferably, the number of the middle plates is two, a limiting part is arranged between the two middle plates, the upper side and the lower side of the limiting part are respectively connected with the corresponding middle plates in an attached manner, the limiting part is connected with the two middle plates through at least two limiting part positioning pins, an insertion cavity is formed in the limiting part, and a damper used for blocking the second swing arm in the closing process of the movable assembly is installed in the insertion cavity.

Preferably, the movable assembly is provided with a movable housing, an up-down positioning screw and a first positioning inclined block, the first positioning inclined block is arranged in the movable housing, the first positioning inclined block is slidably connected with the movable housing, the up-down positioning screw is in threaded connection with the first positioning inclined block, the up-down positioning screw is rotatably connected with the movable housing, a nail head part is formed at one end of the up-down positioning screw, a riveting part is formed at the other end of the up-down positioning screw corresponding to the up-down positioning screw, and the movable housing is arranged between the riveting part and the nail head part.

Preferably, a gasket is arranged between the riveting part and the movable shell, and the gasket is embedded in the outer wall of the movable shell in a matching manner.

Compared with the prior art, the utility model has the beneficial effects that: the sliding grooves are formed in the positioning seat, the inner protruding blocks are formed on the inner wall of the fixed shell and are in fit linear sliding connection with the corresponding sliding grooves, so that the outer portion of the fixed shell has a cleaner appearance, the fixed shell is convenient to clean and is favorable for sale, and the positioning function of the world hinge is prevented from being influenced by entering of chips or sundries into the fixed shell, so that the structure of the world hinge is reasonable.

Drawings

Fig. 1 is a perspective view of the hinge of the present invention in a rear view.

Fig. 2 is an exploded view of the top and bottom hinge of the present invention.

Fig. 3 is a perspective view of the top-bottom hinge of the present invention with the upper portion of the stationary housing removed.

Fig. 4 is a perspective view of the hinge of the present invention with the upper portion of the fixed housing removed and a middle plate disposed thereabove.

Fig. 5 is a perspective view of the inner surface of the upper part of the fixed housing according to the present invention.

Fig. 6 is a schematic perspective view of the positioning seat of the present invention.

Fig. 7 is a top view of the hinge of the present invention.

Fig. 8 is a schematic sectional view taken along line a-a of fig. 7.

Fig. 9 is a schematic sectional view along line B-B of fig. 7.

Fig. 10 is a schematic structural view of the world hinge of the present invention in an open state.

Fig. 11 is a schematic view of the construction of the world hinge of the present invention in the closing process.

Fig. 12 is a schematic perspective view of a limiting element according to the present invention.

Fig. 13 is a perspective view of the movable assembly of the present invention.

FIG. 14 is an exploded view of the movable assembly of the present invention.

Figure 15 is a perspective cut-away schematic view of the mobile assembly of the present invention.

Fig. 16 is a schematic perspective view of the vertical positioning screw according to the present invention.

Description of reference numerals: 1-fixing the housing; 101-inner bumps; 2-a movable component; 201-a movable housing; 202-adjusting the position screw up and down; 2021-nail head; 2022-riveting; 203-a gasket; 204-a hinged block; 205-a lifting block; 206-a first positioning skew block; 207-attachment screws; 3-a first swing arm; 31-a first hinge pin; 4-a second swing arm; 5-middle plate; 501, long holes; 6-a positioning seat; 601-a chute; 7-a second positioning inclined block; 8-left and right positioning screws; 9-front and back positioning screws; 10-a compression spring; 1001-guide needle; 11-torsion spring; 1101-a first torque arm; 1102-a second torque arm; 12-a limit piece; 1201-a plug-in cavity; 13-a damper; 14-a stopper locating pin.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The utility model discloses a heavy-duty top-bottom hinge with double springs, which comprises a fixed shell 1 and a movable assembly 2, wherein the fixed shell 1 is embedded in the front part of a cabinet body, and the movable assembly 2 is used for being connected with a cabinet door; as shown in fig. 2 and fig. 1, the fixing housing 1 may include an upper portion and a lower portion, and the upper portion and the lower portion of the fixing housing 1 are fixed to each other by corresponding screws. As shown in fig. 1 to 4, a middle plate 5 is arranged in a fixed housing 1, the middle plate 5 is connected with a movable assembly 2 through a first swing arm 3 and a second swing arm 4, a positioning seat 6 is arranged in the fixed housing 1, the positioning seat 6 and the middle plate 5 are mutually positioned in the front-rear direction, specifically, as shown in fig. 2, the middle plate 5 is formed with a long hole 501, the positioning seat 6 is formed with a sliding block portion, the sliding block portion is adapted in the long hole 501, so that the sliding block portion can slide left and right along a straight line in the corresponding long hole 501, and the positioning seat 6 and the middle plate 5 are mutually positioned in the front-rear direction. As shown in fig. 2 to 4, the positioning seat 6 is screwed with the front and rear positioning screws 9, the front and rear positioning screws 9 are rotatably connected with the fixed housing 1, specifically, the fixed housing 1 is formed with a groove adapted to the head of the front and rear positioning screws 9, so that the head of the front and rear positioning screws 9 is restricted to rotate only around the axis of the front and rear positioning screws 9 but not to move along the axis of the front and rear positioning screws 9, as shown in fig. 6, the positioning seat 6 is formed with a sliding slot 601, as shown in fig. 5, the inner wall of the fixed housing 1 is formed with an inner protrusion 101, as shown in fig. 7 to 9, the inner protrusion 101 is adapted to linearly slide in connection with the corresponding sliding slot 601, so that the positioning seat 6 is restricted by the fixed housing 1 to move linearly in the front and rear direction, as shown in fig. 3, when the front and rear positioning screws 9 are rotated, the front and rear positioning seats 6 and the middle plate 5 are positioned in the front and rear direction, the adjusting seat 6 can drive the middle plate 5 to synchronously move along the front and back directions; as shown in fig. 2 and 4, a second positioning inclined block 7 is slidably connected in the positioning seat 6, the second positioning inclined block 7 can move in the front-back direction relative to the positioning seat 6, the positioning seat 6 is rotatably connected with a left-right positioning screw 8, the left-right positioning screw 8 is in threaded connection with the second positioning inclined block 7, and therefore when the left-right positioning screw 8 is rotated, the left-right positioning screw 8 drives the second positioning inclined block 7 to move in the front-back direction, but since the second positioning inclined block 7 is formed with an inclined surface adapted to the middle plate 5, the second positioning inclined block 7 can drive the middle plate 5 to move in the left-right direction in the front-back movement process. Since the left-right positioning function and the front-back positioning function of the top-bottom hinge are the prior art, detailed description is omitted here. As shown in figure 1, because the utility model sets the inner convex block 101 for limiting the movement of the positioning seat 6 along the front-back direction on the inner wall of the fixed shell 1, the need of forming a rectangular through hole on the fixed shell 1 is avoided, so that the outer part of the fixed shell 1 has a cleaner appearance, the fixed shell 1 is convenient to clean and is beneficial to sale, and the positioning function of the hinge of the heaven and earth is prevented from being influenced by the entering of debris or sundries into the fixed shell 1.

Further, as shown in fig. 2 to 4, the first swing arm 3 is connected to a compression spring 10 for driving the movable assembly 2 to close, the compression spring 10 is disposed in the fixed housing 1, the first swing arm 3 is connected to the middle plate 5 through a first hinge pin 31, specifically, as shown in fig. 10, the movable assembly 2 is in an open state, at this time, the elastic force of the compression spring 10 keeps the movable assembly 2 in the open state, when a person closes the cabinet door, the cabinet door drives the movable assembly 2 to close, due to the connection structural characteristics of the first swing arm 3 and the second swing arm 4, after the cabinet door is closed to a certain extent, the elastic force of the compression spring 10 can be converted into a force for driving the movable assembly 2 to continue to swing in the closing direction, as shown in fig. 11, the first swing arm 3 swings counterclockwise around the first hinge pin 31, that is, after the hand releases the cabinet door, the top-to-bottom hinge can also automatically close the door, the compression spring 10 can be provided with a guide pin 1001 in a penetrating manner, the socket head of the guide pin 1001 is in contact with the first swing arm 3, and the compression spring 10 drives the cabinet door to automatically close the cabinet door is the prior art and is not described in detail herein. A torsion spring 11 is arranged in the fixed housing 1, a first torsion arm 1101 is formed at one end of the torsion spring 11, a second torsion arm 1102 is formed at the other end of the torsion spring 11 corresponding to the other end of the torsion spring 11, the first torsion arm 1101 is in contact connection with the first swing arm 3, the second torsion arm 1102 is connected with the middle plate 5, specifically, the end of the second torsion arm 1102 is inserted into the middle plate 5, the torsion spring 11 is sleeved on a pin connected with the middle plate 5, the torque direction of the first swing arm 3 on the first hinge pin 31 by the force of the torsion spring 11 is the same as the torque direction of the first swing arm 3 on the first hinge pin 31 by the force of the compression spring 10, that is, in the process that the compression spring 10 drives the cabinet door to automatically complete closing, the elastic force of the torsion spring 11 simultaneously pushes the first swing arm 3 to swing counterclockwise around the first hinge pin 31, so that under the condition that the weight of the cabinet door is large, the compression spring 10 combines with the pushing action of the torsion spring 11, the cabinet door can also be beneficial to make the cabinet door flexibly and automatically complete closing, therefore, the world hinge has good use performance.

Further, as shown in fig. 9, the number of the middle plates 5 is two, a limiting member 12 is disposed between the two middle plates 5, the upper and lower side surfaces of the limiting member 12 are respectively connected to the corresponding middle plates 5, the limiting member 12 and the two middle plates 5 are disposed inside the fixed housing 1, the limiting member 12 is connected to the two middle plates 5 through at least two limiting member positioning pins 14, as shown in fig. 12, the limiting member 12 is formed with an insertion cavity 1201, as shown in fig. 11, a damper 13 for blocking the second swing arm 4 during the closing process of the movable assembly 2 is installed in the insertion cavity 1201, specifically, a cylindrical shell of the damper 13 is fittingly connected with the insertion cavity 1201, as shown in fig. 10 and 11, when the movable assembly 2 is close to being closed to the bottom, the second swing arm 4 can contact the damper 13, since the damping function of the damper 13 is not the focus of the present invention, it will not be described in detail. The two middle plates 5 can be reliably and firmly positioned in the vertical direction by arranging the limiting part 12, so that the middle plates 5 are not easy to deform after the assembly of the world hinge is completed, the flexible movement of the positioning seat 6 is facilitated, and the limiting part 12 is reliably positioned by arranging the limiting part positioning pin 14, so that the damper 13 is prevented from moving in the use process, and the reliability and the durability of the world hinge are improved.

Further, as shown in fig. 13 to 16, the movable assembly 2 is provided with a movable housing 201, a vertical positioning screw 202 and a first positioning inclined block 206, the first positioning inclined block 206 is disposed in the movable housing 201, the first positioning inclined block 206 is slidably connected with the movable housing 201, the vertical positioning screw 202 is screwed with the first positioning inclined block 206, the vertical positioning screw 202 is rotatably connected with the movable housing 201, more specifically, the movable assembly 2 is further provided with a hinge block 204 and a lifting block 205, the hinge block 204 and the lifting block 205 are disposed in the movable housing 201, the lower end of the lifting block 205 is relatively fixed with the hinge block 204 through the connection screw 207, the lifting block 205 is connected with the movable housing 201 in a sliding manner, so that the lifting block 205 and the hinge block 204 can move up and down relative to the movable housing 201, as shown in fig. 14, the first positioning inclined block 206 is slidably connected to the lifting block 205, and an outer inclined surface of the first positioning inclined block 206 is connected to an inner inclined surface of the lifting block 205; as shown in fig. 15, when the vertical positioning screw 202 is rotated, the vertical positioning screw 202 drives the first positioning inclined block 206 to move along the axial direction of the vertical positioning screw 202, and the movable housing 201 limits the movement of the lifting block 205 along the vertical direction, so the first positioning inclined block 206 can drive the hinge block 204 to perform vertical positioning relative to the movable housing 201, the movable housing 201 is used for being embedded inside the cabinet door through the corresponding screw, so the height position of the cabinet door can be adjusted by rotating the vertical positioning screw 202, and the vertical positioning function of the top and bottom hinge is the prior art and will not be described in detail herein. As shown in fig. 16, a nail head portion 2021 is formed at one end of the vertical positioning screw 202, a riveting portion 2022 is formed at the other end of the vertical positioning screw 202, as shown in fig. 15, the movable housing 201 is disposed between the riveting portion 2022 and the nail head portion 2021, specifically, the nail head portion 2021 may be conical, the nail head portion 2021 is embedded in an outer wall of one side of the movable housing 201, an inner spherical recess is formed on an end surface of the riveting portion 2022, and in the state shown in fig. 15, the end surface of the riveting portion 2022 is turned outward by pressing an end surface of the riveting portion 2022, thereby completing the riveting, and the vertical positioning screw 202 and the movable housing 201 are mutually positioned in the axial direction of the vertical positioning screw 202, so that the vertical hinge can be assembled quickly.

Further, as shown in fig. 14 and 15, a gasket 203 is disposed between the riveting portion 2022 and the movable housing 201, the gasket 203 is adapted to be embedded in the outer wall of the movable housing 201, for the convenience of casting, the movable housing 201 of the prior art is made of zinc alloy, and because the present invention is provided with the structure of the gasket 203, the gasket 203 can be made of steel; when the vertical positioning screw 202 is rotated, the outward-turned part of the riveting portion 2022 is changed into contact friction with the washer 203, and the frictional force between the riveting portion 2022 and the washer 203 which is smooth and has high hardness is relatively small, so that the vertical positioning screw 202 can flexibly rotate.

Claims

1. The utility model provides a heavy world hinge of double spring, includes fixed shell (1) and movable assembly (2), be equipped with medium plate (5) in fixed shell (1), medium plate (5) with movable assembly (2) are connected its characterized in that through first swing arm (3) and second swing arm (4): be equipped with positioning seat (6) in fixed housing (1), positioning seat (6) with medium plate (5) are fixed a position the setting in the front and back direction each other, positioning seat (6) spiro union has front and back positioning screw (9), front and back positioning screw (9) with fixed housing (1) rotate to be connected, be formed with spout (601) on positioning seat (6), be formed with interior lug (101) on the inner wall of fixed housing (1), interior lug (101) and corresponding spout (601) adaptation straight line sliding connection.

2. The dual spring heavy duty world hinge of claim 1, wherein: the first swing arm (3) is connected with a compression spring (10) for driving the movable assembly (2) to close, the compression spring (10) is arranged in the fixed shell (1), the first swing arm (3) is connected with the middle plate (5) through a first hinge pin (31), a torsion spring (11) is arranged in the fixed shell (1), a first torsion arm (1101) is formed at one end of the torsion spring (11), the other end of the torsion spring (11) corresponding to the torsion spring is provided with a second torsion arm (1102), the first torsion arm (1101) is connected with the first swing arm (3) in a contact way, the second torsion arm (1102) is connected with the middle plate (5), the moment direction of the force of the torsion spring (11) on the first hinge pin (31) received by the first swing arm (3) is the same as the moment direction of the force of the compression spring (10) on the first hinge pin (31) received by the first swing arm (3).

3. The dual spring heavy duty world hinge of claim 1, wherein: the number of the middle plates (5) is two, two limiting parts (12) are arranged between the middle plates (5), the upper side face and the lower side face of each limiting part (12) are respectively connected with the corresponding middle plates (5) in an attached mode, the limiting parts (12) are connected with the two middle plates (5) through at least two limiting part positioning pins (14), an insertion cavity (1201) is formed in each limiting part (12), and a damper (13) used for blocking the movable assembly (2) in the closing process of the second swing arm (4) is installed in each insertion cavity (1201).

4. The dual spring heavy duty world hinge of claim 1, wherein: the movable assembly (2) is provided with a movable shell (201), an up-down positioning screw (202) and a first positioning inclined block (206), the first positioning inclined block (206) is arranged in the movable shell (201), the first positioning inclined block (206) is in sliding connection with the movable shell (201), the up-down positioning screw (202) is in threaded connection with the first positioning inclined block (206), the up-down positioning screw (202) is in rotating connection with the movable shell (201), a nail head portion (2021) is formed at one end of the up-down positioning screw (202), a riveting portion (2022) is formed at the other end, corresponding to the up-down positioning screw (202), of the up-down positioning screw, and the movable shell (201) is arranged between the riveting portion (2022) and the nail head portion (2021).

5. The dual spring heavy duty world hinge of claim 4, wherein: a gasket (203) is arranged between the riveting part (2022) and the movable shell (201), and the gasket (203) is embedded into the outer wall of the movable shell (201) in a matching manner.