CN213654539U

CN213654539U - Door cover opening and closing mechanism

Info

Publication number: CN213654539U
Application number: CN202022112689.0U
Authority: CN
Inventors: 黄伟宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-09
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a door closure mechanism that opens and shuts, include the shell and install support arm mechanism, adjustment mechanism and resilient means on the shell, adjustment mechanism is located the rear portion of shell, adjustment mechanism is including adjusting the seat and installing slider and screw rod on the regulation seat, the middle section of adjusting the seat rotationally with the shell is articulated, the upper end of adjusting the seat with resilient means connects, the screw rod is followed adjust the upper and lower end direction setting of seat, just the slider with screw rod threaded connection and can adjust the hypomere of seat and remove, the lower extreme of screw rod corresponds the follow adjust the lower extreme of seat and stretch out, support arm mechanism is located slider the place ahead and with the slider is articulated. The door cover opening and closing mechanism is reasonable in structural design, the tightness of opening and closing the door cover is easy to adjust, and the door cover opening and closing mechanism is very convenient.

Description

Door cover opening and closing mechanism

Technical Field

The utility model relates to a furniture accessory field especially relates to a door closure mechanism that opens and shuts.

Background

At present, the cabinets such as the wardrobes and the cabinets in the furniture need to be connected with the cabinets or the door covers through the accessories such as the hinges and the hinges in an openable mode, the cabinets are not in contact with or directly connected with the cabinets when being turned over when being opened, and the assembly and the operation are convenient. At present, some more advanced door bracing devices are arranged on the market to enable a door cover to be turned upwards for opening, and meanwhile, the functions of hovering and closing in a buffering and decelerating mode can be achieved, parts such as a plurality of connecting rods, connecting arms and elastic pieces are arranged in the door bracing devices, most of the door bracing devices are provided with adjusting mechanisms to adjust the elasticity, but the adjusting mechanism layout positions are set at the rear portions, shielded by the connecting arms connected with the door cover, the door bracing devices are inconvenient to adjust, the internal structure layout of the door bracing devices is also not reasonable enough, the occupied space is large, and therefore the door bracing device is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a door closure mechanism that opens and shuts, its structural distribution is reasonable, can follow the lower part rear and carry out the tight regulation, and it is more convenient to use.

The utility model provides a door closure mechanism that opens and shuts, includes the shell and installs support arm mechanism, adjustment mechanism and resilient means on the shell, adjustment mechanism is located the rear portion of shell, adjustment mechanism is including adjusting the seat and installing slider and screw rod on adjusting the seat, the middle section of adjusting the seat rotationally with the shell is articulated, the upper end of adjusting the seat with resilient means connects, the screw rod is followed adjust the upper and lower end direction setting of seat, just the slider with screw rod threaded connection can in adjust the hypomere removal of seat, the lower extreme of screw rod corresponds and follows the lower extreme of adjusting the seat is stretched out, support arm mechanism is located slider the place ahead and with the slider is articulated.

The door cover opening and closing mechanism further comprises a damper and a blocking piece, the damper is connected with the supporting arm mechanism, the blocking piece is connected to the shell, and the damper is provided with a piston rod which can correspondingly abut against the blocking piece along with the movement of the supporting arm mechanism.

The stopper is provided with an arc concave surface matched with the top end of the piston rod of the damper, and the top end of the piston rod of the damper is arc-shaped, semicircular or hemispherical.

The elastic device comprises a guide post, a positioning piece, a spring and a spring pressing piece, wherein the spring pressing piece is installed at the rear end of the guide post and can be slid along the guide post, the positioning piece is installed at the front end of the guide post, the two ends of the spring are respectively connected with the spring pressing piece and the positioning piece, the positioning piece is hinged to the upper portion of the supporting arm mechanism on the shell, and the spring pressing piece is hinged to the upper end of the adjusting seat.

The spring with spring casting die movably overlaps on the guide post, just the both ends of spring with spring casting die with the setting element butt.

The spring pressing piece is connected with the adjusting seat through a hinged shaft, and a limiting groove matched with the hinged shaft and penetrating through the hinged shaft is formed in the rear end of the guide column in an axially extending mode.

The support arm mechanism includes outer arm, preceding connecting piece, back connecting piece, big arm, preceding swing arm and back connecting rod, the front end of preceding connecting piece and the front end of back connecting piece respectively with the middle section and the rear end of outer arm are articulated, the rear end of preceding connecting piece with the rear end of back connecting piece respectively with the front end and the middle section of big arm are articulated, the middle section of back connecting piece with the lower extreme of preceding swing arm is articulated, the upper end of preceding swing arm with the rear end of big arm is articulated on the inner wall of shell, the both ends of back connecting rod respectively with the slider with big arm is articulated, big arm is type "L" shape from the front end to the rear end.

The utility model has the advantages that: the door cover opening and closing mechanism is reasonable in structural design, the tightness of opening and closing the door cover is easy to adjust, and the door cover opening and closing mechanism is very convenient.

Drawings

Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention in a fully opened state;

fig. 2 is a schematic view of the installation structure of the embodiment in fig. 1 when the cabinet door and the cabinet body are connected and closed.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a door cover opening and closing mechanism according to an embodiment of the present invention includes a housing 1, and a support arm mechanism, an adjusting mechanism and an elastic device installed on the housing 1, wherein the adjusting mechanism is located at a rear portion of the housing 1, the adjusting mechanism includes an adjusting seat 31, a slider 32 and a screw 33 installed on the adjusting seat 31, a middle section of the adjusting seat 31 is rotatably hinged to the housing 1, an upper end of the adjusting seat 31 is connected to the elastic device, the screw 33 is disposed along upper and lower end directions of the adjusting seat 31, the slider 32 is in threaded connection with the screw 33 and can move in a lower section of the adjusting seat 31, a lower end of the screw 33 correspondingly extends from a lower end of the adjusting seat 31, the support arm mechanism is located in front of the slider 32 and is hinged to the slider 32, and the support arm mechanism is identical to a door brace mechanism of other existing door braces, the supporting arm mechanism is movably connected with the shell 1, when the door cover is opened or closed, the supporting arm mechanism is folded and unfolded, meanwhile, as the supporting arm mechanism is hinged with the sliding block 32, the adjusting seat 31 rotates around the hinged part along with the movement of the supporting arm mechanism, and the elastic device exerts corresponding elastic force through the adjusting seat 31, so that the supporting arm mechanism can have stable supporting force at the opening and closing positions or other positions of the door cover, and conveniently, the distance between the sliding block 32 and the hinged part of the adjusting seat 31 can be adjusted only by operating the screw 32 to rotate from the lower end, namely, the length of the force arm of the supporting arm mechanism on the adjusting seat 31 is adjusted, and the force arm of the elastic device on the adjusting seat 31 is unchanged, finally, the tightness effect of the supporting force or acting force of the door cover in the opening and closing processes is achieved, in addition, the supporting arm mechanism is located at the front portion, the adjusting mechanism is located at the rear portion, the mechanism distribution is quite reasonable, the lower end of the screw rod 33 faces downwards, the screw rod 33 cannot be shielded by the supporting arm mechanism when the tightness is adjusted, the door cover can be pulled to drive the supporting arm mechanism to move when the tightness is adjusted, and therefore the door cover can be adjusted and tested at the same time, and the door cover is quite flexible and efficient.

Referring to fig. 1 and 2, the door cover opening and closing mechanism further includes a damper 51 and a stopper 52, the damper 51 is connected to the support arm mechanism, the stopper 52 is connected to the housing 1, the damper 51 has a piston rod which can correspondingly abut against the stopper 52 along with the movement of the support arm mechanism, the damper 51 is fixedly connected to one connecting rod or connecting arm of the support arm mechanism, when the door or door cover is closed, the connecting rod or connecting arm of the support arm mechanism moves into the housing 1, the damper 51 also moves into the housing 1 along with the connecting rod, and when the door or door cover is about to be attached to the cabinet body, the end of the piston rod of the damper 51 abuts against the stopper 52 and presses the piston rod to perform deceleration and buffering, and when the door or door cover is about to be attached to the cabinet body, the connecting rod or connecting arm of the support arm mechanism is directly connected to the damper 51 because the connecting rod or connecting arm of the support arm mechanism is mostly a structure, the damper 51 does not need to occupy much space in the entire housing 1, thereby greatly reducing the volume of the door opening and closing mechanism.

Referring to fig. 1 or 2, the stopper 52 has an arc concave surface matching the top end of the piston rod of the damper 51, the top end of the piston rod of the damper 51 is arc-shaped, semicircular or hemispherical, and when the damper 51 moves toward the stopper 52 along with the support arm mechanism, the damper 51 simultaneously translates and rotates, i.e., the top end of the piston rod of the damper 51 abuts against the stopper 52 while the piston rod simultaneously retracts into the damper 51 and rotates around the abutment, so the arc concave surface and the top end of the piston rod are matched in shape to enable the piston rod to be better stressed and stretched, and better achieve buffering contact.

Referring to fig. 1 and 2, the elastic device includes a guide post 41, a positioning member 42, a spring 43 and a spring pressing member 44, the spring pressing member 44 is installed at the rear end of the guide post 41 and can slide along the guide post 41, the positioning member 42 is installed at the front end of the guide post 41, two ends of the spring 43 are respectively connected with the spring pressing member 44 and the positioning member 42, the positioning member 42 is hinged on the inner wall of the housing 1 above the support arm mechanism, the spring pressing member 44 is hinged with the upper end of the adjustment seat 31, the elastic device is fittingly transversely arranged at the upper part of the housing 1 and drives the spring pressing member 44 to move along the guide post 41 when the adjustment seat 31 rotates around the hinge of the middle section, the spring 43 provides a reverse force to the adjustment seat 31 through the spring pressing member 44 to support the support arm mechanism, meanwhile, the positioning member 42 supports the spring 43 and allows the guide post 41 to rotate around the hinge of the positioning member 42, and then the spring pressing member 44 is hinged to the adjusting seat 31 to realize the whole multi-mechanism movement, and the force application direction of the elastic device with the structure is opposite to the force application direction of the supporting arm mechanism and is on the same side of the adjusting mechanism, so that the whole mechanism is compactly combined in the housing 1, thereby effectively reducing the space occupation.

Referring to fig. 1 and 2, the spring 43 and the spring pressing member 44 are movably sleeved on the guide post 41, and two ends of the spring 43 are abutted against the spring pressing member 44 and the positioning member 42, so that the spring pressing member 44 can accurately move along the guide post 41 when being applied with a force by the adjusting seat 31, and the spring 43 is also only compressed and stretched along the axial direction of the guide post 41, thereby optimizing the interaction force of the components.

Referring to fig. 1 and 2, the spring pressing member 44 is connected to the adjusting seat 31 through a hinge shaft, and the rear end of the guide post 41 is provided with a limit groove 411 extending axially and matching through the hinge shaft, so that the spring pressing member 44, the adjusting seat 31 and the guide post 41 are movably connected together, and the structure is more compact and efficient.

The support arm mechanism comprises an outer arm 21, a front connecting piece 22, a rear connecting piece 23, a large arm 24, a front swing arm 25 and a rear connecting rod 26, wherein the outer arm 21, the front connecting piece 22, the rear connecting piece 23, the front end of the front connecting piece 22 and the front end of the rear connecting piece 23 are respectively hinged with the middle section and the rear end of the outer arm 21, the rear end of the front connecting piece 22 and the rear end of the rear connecting piece 23 are respectively hinged with the front end and the middle section of the large arm 24, the middle section of the rear connecting piece 23 is hinged with the lower end of the front swing arm 25, the upper end of the front swing arm 25 and the rear end of the large arm 24 are hinged on the inner wall of the shell 1, two ends of the rear connecting rod 26 are respectively hinged with the sliding block 32 and the large arm 24, the large arm 24 is L-shaped from the front end to the rear end, the front end of the rear connecting rod 24 is preferably hinged at a position between the rear end and the middle section of the large arm 24, so that the support arm mechanism can move inside and, preferably, said damper 51 is mounted in the large arm 24, so as to maximize the use of space.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a door closure mechanism that opens and shuts which characterized in that: including the shell with install support arm mechanism, adjustment mechanism and resilient means on the shell, adjustment mechanism is located the rear portion of shell, adjustment mechanism is including adjusting the seat and installing slider and screw rod on adjusting the seat, the middle section of adjusting the seat rotationally with the shell is articulated, the upper end of adjusting the seat with resilient means connects, the screw rod is followed adjust the upper and lower end direction setting of seat, just the slider with screw rod threaded connection can in adjust the hypomere of seat and remove, the lower extreme of screw rod corresponds the follow adjust the lower extreme of seat and stretch out, support arm mechanism is located slider the place ahead and with the slider is articulated.

2. A door opening and closing mechanism according to claim 1, wherein: the damper is connected with the supporting arm mechanism, the stopper is connected to the shell, and the damper is provided with a piston rod which can correspondingly abut against the stopper along with the movement of the supporting arm mechanism.

3. A door opening and closing mechanism according to claim 2, wherein: the stopper is provided with an arc concave surface matched with the top end of the piston rod of the damper, and the top end of the piston rod of the damper is arc-shaped, semicircular or hemispherical.

4. A door opening and closing mechanism according to claim 1, wherein: the elastic device comprises a guide post, a positioning piece, a spring and a spring pressing piece, wherein the spring pressing piece is installed at the rear end of the guide post and can be slid along the guide post, the positioning piece is installed at the front end of the guide post, the two ends of the spring are respectively connected with the spring pressing piece and the positioning piece, the positioning piece is hinged to the upper portion of the supporting arm mechanism on the shell, and the spring pressing piece is hinged to the upper end of the adjusting seat.

5. The door opening and closing mechanism according to claim 4, wherein: the spring with spring casting die movably overlaps on the guide post, just the both ends of spring with spring casting die with the setting element butt.

6. The door opening and closing mechanism according to claim 5, wherein: the spring pressing piece is connected with the adjusting seat through a hinged shaft, and a limiting groove matched with the hinged shaft and penetrating through the hinged shaft is formed in the rear end of the guide column in an axially extending mode.

7. A door opening and closing mechanism according to any one of claims 1 to 6, wherein: the support arm mechanism includes outer arm, preceding connecting piece, back connecting piece, big arm, preceding swing arm and back connecting rod, the front end of preceding connecting piece and the front end of back connecting piece respectively with the middle section and the rear end of outer arm are articulated, the rear end of preceding connecting piece with the rear end of back connecting piece respectively with the front end and the middle section of big arm are articulated, the middle section of back connecting piece with the lower extreme of preceding swing arm is articulated, the upper end of preceding swing arm with the rear end of big arm is articulated on the inner wall of shell, the both ends of back connecting rod respectively with the slider with big arm is articulated, big arm is type "L" shape from the front end to the rear end.