CN213838161U

CN213838161U - Hinge assembly

Info

Publication number: CN213838161U
Application number: CN202022444117.2U
Authority: CN
Inventors: 李树鹏; 林洲; 何平
Original assignee: Shenzhen Hopo Window Control Technology Co Ltd
Current assignee: Shenzhen Hopo Window Control Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-30
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a hinge assembly, which comprises an upper hinge assembly, a lock seat and a lower hinge assembly, wherein the upper hinge assembly comprises an upper frame connecting assembly and an upper fan connecting assembly, and the upper frame connecting assembly comprises an upper fixing plate; the upper fan body connecting assembly comprises a long rocker arm, a base, a fastener and a transmission assembly, the fastener is connected with the base, the transmission assembly is located below the fastener and the base, the long rocker arm is hinged to the base and located above the transmission assembly, a long strip groove and a rocker arm sliding groove are formed in the long rocker arm, the long rocker arm is step-shaped, a locking point is arranged at the position, corresponding to the long strip groove, of the transmission assembly, the locking point is placed in the long strip groove, and the top end of the locking point extends out of the long strip groove; a locking structure matched with the locking point is formed on the lock seat, and when the upper fan body connecting assembly is closed on the upper frame body connecting assembly, the top end of the locking point is positioned in the locking structure of the lock seat; the lower hinge assembly comprises a lower frame connecting assembly, a lower fan connecting assembly and an upper and lower adjusting assembly.

Description

Hinge assembly

Technical Field

The utility model relates to a door and window hinge technical field especially relates to a hinge subassembly.

Background

In a door and window system, a hinge is an important existence, and the hinge is used for connecting a frame body and a sash body of a door and window, so that the effect of supporting the sash body and being capable of rotating to open and close is realized.

In the existing hinge, when the fan body is locked, the frame body hinge assembly is overlapped on the hinged arm and presses the main connecting rod, the connecting rod and the auxiliary connecting rod, the hinge of the hinge is completely leaned on to realize the sealing wind pressure resistance effect, but the frame body hinge assembly of the upper hinge cannot be too thick and heavy, certain gaps exist between the frame body hinge assembly and the hinged arm and the main connecting rod as well as between the frame body hinge assembly and the auxiliary connecting rod in overlapping connection, the sealing wind pressure resistance of the hinge device is lower, and the hinge device is easy to deform slightly when the wind pressure is larger, so that the indoor wind and rain leakage can be caused due to the fact that the section bar cannot be attached, and the noise is large. Moreover, the hinge device cannot adjust the fan body up and down, and cannot adjust the gap between the fan body and the frame body.

In view of the above, it is desirable to provide a hinge assembly that can solve the above-mentioned drawbacks to improve the sealing wind pressure resistance and to adjust the position of the fan body.

Disclosure of Invention

The utility model aims to solve the technical problem that a hinge subassembly is provided in order to improve sealed anti-wind pressure performance and the position of the adjustable fan body.

In order to solve the technical problem, the utility model discloses a as follows technical scheme: a hinge assembly comprises an upper hinge assembly, a lock seat and a lower hinge assembly, wherein the upper hinge assembly comprises an upper frame body connecting assembly and an upper fan body connecting assembly; the upper fan body connecting assembly is hinged to be opened and closed in a matched mode through the upper hinge plate assembly and the upper frame body connecting assembly, the upper fan body connecting assembly is installed on a fan body and comprises a long rocker arm, a base, a fastener and a transmission assembly, the fastener is connected with the base through a connecting screw and is fixedly installed on the fan body, the long rocker arm is hinged to the base and is located above the transmission assembly, a long groove is formed in the long rocker arm along the length direction of the long rocker arm, one end of the long rocker arm is hinged to the upper hinge plate assembly, a rocker arm sliding groove is formed in the outer side of the long groove along the length direction of the long rocker arm, the end, far away from the upper hinge plate assembly, of the long rocker arm is bent upwards to form a support plate, the other end of the support plate is bent outwards along the length direction of the long rocker arm to form a rocker arm end plate, so that the long rocker arm is in a step shape, and a locking point is arranged at the position, corresponding to the long groove, of the transmission assembly, so that the locking point is placed in the long strip groove and the top end of the locking point extends out of the long strip groove; a locking structure matched with the locking point is formed on the locking seat, and when the upper fan body connecting assembly is closed on the upper frame body connecting assembly, the top end of the locking point is positioned in the locking structure of the locking seat; the lower hinge assembly is positioned below the upper hinge assembly and comprises a lower frame connecting assembly, a lower fan connecting assembly and an upper and lower adjusting assembly, the lower frame connecting assembly is arranged on the frame and comprises a lower fixing plate, and the lower fixing plate is arranged on the frame; lower fan body coupling assembling and lower frame coupling assembling mutually support articulated switching, and install on the fan body, including lower support piece, support piece fixed mounting is on the fan body down, be formed with the support piece spout along its length direction on the support piece down, it has an upper and lower adjusting part to articulate on the upper surface of the one end of support piece down, upper and lower adjusting part and fan body coupling adjust the position of the fan body from top to bottom.

The further technical scheme is as follows: the lock seat is arranged on the lower surface of one end of the upper fixing plate.

The further technical scheme is as follows: the lock seat is arranged on the frame body and is positioned on the outer side of one end of the upper fixing plate.

The further technical scheme is as follows: the transmission assembly comprises a connecting piece, a connecting rod, an upper transmission piece and a connecting arm, the base is located below the rocker arm end plate, the fastener is located on the outer side of one end, away from the upper hinged plate assembly, of the long rocker arm, the connecting rod is slidably arranged below the fastener and the base, one end, close to the fastener, of the connecting rod stretches out of the fastener and is connected with the connecting piece, the other end of the connecting rod stretches out of the base and is connected with one end of the upper transmission piece, the other end of the upper transmission piece is connected with the connecting arm, the long groove is correspondingly located above the upper transmission piece, and the locking point is arranged on the upper transmission piece so that the locking point is placed in the long groove and stretches out of the top end of the long groove.

The further technical scheme is as follows: the transmission assembly further comprises a connecting auxiliary piece, one end of the connecting auxiliary piece is connected with one end of the connecting piece, and a cover plate covering the fastener is formed at the other end of the connecting auxiliary piece.

The further technical scheme is as follows: the anti-shaking device is characterized in that an anti-shaking block is arranged on the long rocker arm, the anti-shaking block comprises a main body and a side supporting plate vertically arranged on one side of the main body, the main body is fixed on the long rocker arm, and the side supporting plate is abutted to the fan body.

The further technical scheme is as follows: the upper hinged plate assembly comprises an upper rotating plate, an upper bearing plate and an upper connecting plate, one end of the upper rotating plate is hinged to the other end of the upper fixing plate, the other end of the upper rotating plate is hinged to the rocker sliding groove in a sliding mode, one end of the upper bearing plate is hinged to the end portion of the other end of the long rocker, the other end of the upper bearing plate is hinged to one end of the upper connecting plate, the other end of the upper connecting plate is hinged to the upper fixing plate, and the middle of the upper bearing plate is hinged to the middle of the upper rotating plate.

The further technical scheme is as follows: one end of the lower fixing plate is provided with an adjusting block, one end of the adjusting block is hinged with the lower fixing plate through an eccentric rivet, and the other end of the adjusting block extends out of one end of the lower fixing plate so as to be fixed on the frame body through being mounted on a fixing block through screws.

The further technical scheme is as follows: lower frame coupling assembling is articulated with lower fan body coupling assembling through articulated slab subassembly down, articulated slab subassembly includes swivel plate, lower bearing plate and lower connecting plate down, the one end of swivel plate down with the other end of bottom plate is articulated, its other end slidable articulate in on the support piece spout, the one end of lower bearing plate is passed through adjust assembly is articulated with lower support piece from top to bottom, and its other end is articulated with the one end of lower connecting plate, the other end and the bottom plate of lower connecting plate are articulated, the middle part of lower bearing plate is articulated with the middle part of lower swivel plate.

The further technical scheme is as follows: the upper and lower adjusting component comprises a connecting shaft, an upper and lower adjusting piece and an adjusting screw, one end of the connecting shaft penetrates through the lower supporting sheet to be connected with one end of the lower bearing plate, the other end of the connecting shaft is arranged in the upper and lower adjusting piece at the bottom end of the upper and lower adjusting piece, the adjusting screw is arranged in the upper end part of the upper and lower adjusting piece, and the upper and lower adjusting piece is connected with the fan body through a fixing screw.

The utility model has the advantages of: the hinge assembly of the utility model fixes the position of the upper fan connecting assembly through the base of the upper fan connecting assembly and the fastener, forms a long strip groove on the long rocker arm of the upper fan connecting assembly, forms a locking point with the top end extending out of the long strip groove corresponding to the long strip groove of the transmission assembly, and improves the sealing wind pressure resistance by arranging the locking seat with the locking structure matched with the locking point when the upper fan connecting assembly is closed on the upper frame connecting assembly, the top end of the locking point is positioned in the locking structure of the locking seat, thereby realizing the locking of the upper hinge assembly by utilizing the matching of the locking structure of the locking seat and the locking point, simultaneously, the lower hinge assembly comprises an upper and lower adjusting assembly connected with the fan body to adjust the position of the fan body up and down, and the distance between the fastener and the base can be adjusted by screwing the connecting screw, thereby adjusting the position of the fan body connected with the fastener in the length direction of the frame body, the clearance between the fan body and the two ends of the frame body is adjusted, so that the fan body and the frame body with various specifications can be installed and opened and closed. The lock point on the lock seat can be driven to move by moving the transmission assembly, the lock point can move in the lock structure of the lock seat along the long strip groove, the long rocker arm is step-shaped, one end, far away from the upper hinged plate assembly, of the long strip groove is bent upwards, so that the lock point is separated from the long strip groove and the lock seat, when the lock point is separated from the lock structure of the lock seat and still located in the long strip groove, the fan body can be horizontally opened, and when the lock point is separated from the long strip groove, the fan body can be inwards opened.

Drawings

FIG. 1 is a schematic view of the mounting structure of the hinge assembly of the present invention;

fig. 2 is an exploded view of the hinge assembly of the present invention;

fig. 3 is a schematic view of the upper hinge assembly of the present invention when closed.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 3, the hinge assembly of the present invention includes a lock base 100, an upper hinge assembly 11 and a lower hinge assembly 12, wherein the upper hinge assembly 11 includes an upper frame connecting assembly 13 and an upper fan connecting assembly 14, the upper frame connecting assembly 13 is mounted on a frame, and includes an upper fixing plate 131, and the upper fixing plate 131 is mounted on the frame; the upper fan body connecting assembly 14 is hinged to the upper frame body connecting assembly 13 through the upper hinge plate assembly 18, and is installed on the fan body, and includes a long rocker arm 141, a base 142, a fastening member 143, and a transmission assembly 144, the fastening member 143 is connected to the base 142 through a connecting screw 1421, and is fixedly installed on the fan body, the long rocker arm 141 is hinged to the base 142, the long rocker arm 141 is located above the transmission assembly 144, a long slot 1411 is formed in the long rocker arm 141 along the length direction, one end of the long rocker arm 141 is hinged to the upper hinge plate assembly 18, a rocker sliding groove 1412 is formed in the outer side of the long slot 1411 along the length direction of the long rocker arm 141, the long rocker arm 141 is bent upward to form a fulcrum plate at the end of the long slot 1411 far away from the upper hinge plate assembly 18, and the other end of the fulcrum plate is bent outward along the length direction of the long rocker arm 141 to form a rocker arm end plate, so that the long rocker arm 141 is stepped, the transmission assembly 144 is provided with a locking point 145 corresponding to the long strip groove 1411, so that the locking point 145 is placed in the long strip groove 1411 and the top end of the locking point extends out of the long strip groove 1411. A locking structure 1000 matched with the locking point 145 is formed on the lock base 100, and when the upper fan connecting assembly 14 is closed on the upper frame connecting assembly 13, the top end of the locking point 145 is located in the locking structure 1000 of the lock base 100. The lower hinge assembly 12 is located below the upper hinge assembly 11 and comprises a lower frame connecting assembly 15, a lower fan connecting assembly 16 and an up-down adjusting assembly 17, the lower frame connecting assembly 15 is mounted on a frame and comprises a lower fixing plate 151, and the lower fixing plate 151 is mounted on the frame; lower fan body coupling assembling 16 and lower frame coupling assembling 15 mutually support articulated switching, and install on the fan body, including lower support sheet 161, support sheet 161 fixed mounting is on the fan body down, be formed with support sheet spout 1611 along its length direction on the support sheet 161 down, it has to articulate on the upper surface of the one end of support sheet down adjust assembly 17 from top to bottom, adjust assembly and fan body coupling from top to bottom adjusts the position of the fan body from top to bottom.

As shown, the connection between the components is indicated by solid lines, and in this embodiment, the latch holder 100 is mounted on the lower surface of one end of the upper fixing plate 131. The locking structure 1000 is a locking groove, the locking groove is an open groove, the open groove is a groove with at least one open end, the opening of the locking structure 1000 is located at the end of the lock base 100 away from the other end of the upper fixing plate 131, and when the upper fan connecting assembly 14 is closed on the upper frame connecting assembly 13, the opening of the locking structure 1000 faces the support plate of the long rocker arm 141, so that the locking point 145 moves. The upper fan connecting assembly 14 and the upper frame connecting assembly 13 are mutually matched and hinged to be opened and closed, the opening and closing angles of the upper fan connecting assembly 14 and the upper frame connecting assembly 13 can be 180 degrees, the lower fan connecting assembly 16 and the lower frame connecting assembly 15 are mutually matched and hinged to be opened and closed, and the opening and closing angles of the lower fan connecting assembly 16 and the lower frame connecting assembly 15 are equal to the opening and closing angles of the upper fan connecting assembly 14 and the upper frame connecting assembly 13 and can be 180 degrees. The distance between the fastening member 143 and the base 142 can be adjusted by screwing the connecting screw 1421, so that the position of the fan body connected with the fastening member 143 can be adjusted, and the gap between the fan body and the two ends of the frame body can be adjusted, so that the fan bodies and the frame bodies with various specifications can be installed and opened and closed. The connecting screw 1421 is fixed in the fastening member 143 with the screw rod in front and the nut in back, and the screw rod thereof extends out from one end of the fastening member 143 and is embedded into one end of the base 142 to realize the connection between the fastening member 143 and the base 142. The both ends of upper fixed plate 131 and the upper surface at middle part articulate respectively has nut piece 1001 to rotatable nut piece 1001 is in order to locate nut piece 1001 card in the framework, fixes upper fixed plate 131 better, the both ends of lower fixed plate 151 and the lower surface at middle part articulate respectively has nut piece 1001, in order to fix lower fixed plate 151 better on the framework with nut piece 1001 card with rotatable nut piece 1001. A spring 1422 is disposed in one end of the base 142 close to the fastening member 143, and the vertical adjustment assembly 17 is disposed on the upper surface of one end of the lower supporting plate 161 close to the other end of the lower fixing plate 151. Of course, in other embodiments, the lock seat 100 is mounted on the frame body and is located outside one end of the upper fixing plate 131.

The hinge assembly fixes the position of the upper fan connecting assembly 14 through the base 142 and the fastener 143 of the upper fan connecting assembly 14 by providing the lock base 100 with the locking structure 1000, and a long groove 1411 is formed on the long rocker arm 141 of the upper fan connecting assembly 14 and a locking point 145 with the top end extending out of the long groove 1411 is formed on the transmission assembly 144 corresponding to the long groove 1411, so that when the upper fan connecting assembly 14 is closed on the upper frame connecting assembly 13, the top end of the locking point 145 is located in the locking structure 1000 of the lock base 100, the locking structure 1000 of the lock base 100 is matched with the locking point 145 to tightly close the upper hinge assembly 11, the sealing wind pressure resistance is improved, and meanwhile, the lower hinge assembly 12 comprises the upper and lower adjusting assembly 17 connected with the fan body to vertically adjust the position of the fan body. Furthermore, the distance between the fastening member 143 and the base 142 can be adjusted by screwing the connecting screw 1421, so that the position of the fan connected to the fastening member 143 in the longitudinal direction of the frame body is adjusted, and the gap between the fan and the two ends of the frame body is adjusted, so that the fan and the frame body with various specifications can be installed and opened and closed. The locking point 145 can be driven to move by moving the transmission assembly 144, so that the locking point 145 can move in the locking structure 1000 of the lock base 100 along the elongated slot 1411, and the elongated rocker 141 is step-shaped, and one end of the elongated slot 1411, which is far away from the upper hinge plate assembly 18, is bent upward, thereby facilitating the separation of the locking point 145 from the elongated slot 1411 and the lock base 100, so that when the locking point 145 is separated from the locking structure 1000 of the lock base 100 and still located in the elongated slot 1411, the fan body can be opened horizontally, and when the locking point 145 is separated from the elongated slot 1411, the fan body can be opened backwards. Of course, in some embodiments, the locking structure 1000 may be a locking edge, and the locking edge may be a rib provided on one side of the lower surface of the lock base 100.

Specifically, in this embodiment, the transmission assembly 144 includes a connecting member 1441, a connecting rod 1442, an upper transmission member 1443, and a connecting arm 1444, the base 142 is located below the rocker end plate, the fastening member 143 is located outside one end of the long rocker 141 away from the upper hinge plate assembly 18, the connecting rod 1442 is slidably disposed below the fastening member 143 and the base 142, one end of the connecting rod 1442 close to the fastening member 143 extends out of the fastening member 143 and is connected to the connecting member 1441, the other end of the connecting rod 1443 extends out of the base 142 and is connected to one end of the upper transmission member 1443, the other end of the upper transmission member 1443 is connected to the connecting arm 1444, the long strip groove 1411 is correspondingly located above the upper transmission member 1443, and the locking point 145 is disposed on the upper transmission member 1443, so that the locking point 145 is disposed in the long strip groove 1411 and the top end of the locking point 145 extends out of the long strip groove 1411. The two sides of one end of the upper transmission member 1443 close to the base 142 are respectively provided with a sound-proof block 1401. The base 142 and the lower surface of the fastening member 143 form a transmission chute for the connecting rod 1442 to slide, and the connecting member 1441 and the end of the upper transmission member 1443 can respectively abut against the end of the fastening member 143 and the end of the base 142 along with the sliding of the connecting rod 1442, so as to prevent the transmission assembly 144 from being separated from the fastening member 143 and the base 142 during the sliding process. The user can move the connecting rod 1442 and the upper transmission member 1443 and the connecting arm 1444 thereof by moving the connecting member 1441, so that the locking point 145 on the upper transmission member 1443 can move along the elongated slot 1411 and move in the locking structure 1000 of the lock base 100.

Specifically, in this embodiment, the transmission assembly 144 further includes a connection auxiliary member 1445, one end of the connection auxiliary member 1445 is connected to one end of the connection member 1441, and the other end of the connection auxiliary member 1445 is formed with a cover plate covering over the fastening member 143, so that the cover plate covers the fastening member 143, and the nut of the connection screw 1421 in the fastening member 143 can be protected from being damaged. Preferably, hole positions facing the fan body for the fastening screws 1431 are formed at both sides of the fastening member 143, and a slot for the nut of the connecting screw 1421 to be engaged is formed in the fastening member 143.

Specifically, in the present embodiment, a short rocker arm 146 is disposed between one end of the base 142 far from the fastener 143 and the long rocker arm 141, one end of the short rocker arm 146 is hinged to one end of the base 142 far from the fastener 143, and the other end thereof is hinged below the long rocker arm 141, wherein a wave-shaped pad 147 is disposed between the other end of the short rocker arm 146 and the long rocker arm 141.

Specifically, the long rocker arm 141 is provided with an anti-shaking block 148, the anti-shaking block 148 comprises a main body 1481 and a side supporting plate 1482 vertically arranged on one side of the main body 1481, the main body 1481 is fixed to the long rocker arm 141 through a screw 1002, and the side supporting plate 1482 abuts against the fan body to prevent the fan body from shaking.

Specifically, in this embodiment, the upper frame connecting assembly 13 is hinged to the upper fan connecting assembly 14 through an upper hinge plate assembly 18, the upper hinge plate assembly 18 includes an upper rotating plate 181, an upper bearing plate 182 and an upper connecting plate 183, one end of the upper rotating plate 181 is hinged to the other end of the upper fixing plate 131, the other end of the upper rotating plate is slidably hinged to the rocker sliding slot 1412, one end of the upper bearing plate 182 is hinged to the end of the other end of the long rocker 141, the other end of the upper bearing plate is hinged to one end of the upper connecting plate 183, the other end of the upper connecting plate 183 is hinged to the upper fixing plate 131, and the middle of the upper bearing plate 182 is hinged to the middle of the upper rotating plate 181. The other end of the upper rotating plate 181 is hinged to a rocker sliding slot 1412 through a shaft 101, and the rocker sliding slot 1412 and the shaft 101 can be connected through an upper slider 102 to play a wear-resisting role.

Specifically, in this embodiment, an adjusting block 152 is disposed at one end of the lower fixing plate 151, one end of the adjusting block 152 is hinged to the lower fixing plate 151 through an eccentric rivet 103, and the other end thereof extends out from one end of the lower fixing plate 151 to be fixed to the frame by being mounted on a fixing block 153 through a screw 1002. The user can screw the eccentric rivet 103 to drive the adjusting block 152 to move along the length direction of the lower fixing plate 151, so as to adjust the gap between the fan body and the frame body, thereby facilitating the installation and opening and closing of various types of fan bodies and frame bodies.

Preferably, the lower frame connecting assembly 15 is hinged to the lower fan connecting assembly 16 through a lower hinge plate assembly 19, the lower hinge plate assembly 19 includes a lower rotating plate 191, a lower bearing plate 192 and a lower connecting plate 193, one end of the lower rotating plate 191 is hinged to the other end of the lower fixing plate 151, the other end of the lower rotating plate 191 is slidably hinged to the supporting plate sliding slot 1611, one end of the lower bearing plate 192 is hinged to the lower supporting plate 161 through the upper and lower adjusting assembly 17, the other end of the lower rotating plate is hinged to one end of the lower connecting plate 193, the other end of the lower connecting plate 193 is hinged to the lower fixing plate 151, the middle of the lower bearing plate 192 is hinged to the middle of the lower rotating plate 191, an anti-wear pad 195 is arranged between the lower rotating plate 191 and the lower fixing plate 151, and an anti-wear pad 195 is arranged between the lower rotating plate 191 and the lower bearing. The other end of the lower rotating plate 191 is hinged to the supporting piece sliding groove 1611 through a shaft 101, and the supporting piece sliding groove 1611 is connected with the shaft 101 through a lower sliding block 105, so that a wear-resistant effect is achieved.

Specifically, in this embodiment, the up-down adjusting assembly 17 includes a connecting shaft 171, an up-down adjusting member 172 and an adjusting screw 173, one end of the connecting shaft 171 passes through the lower supporting plate 161 and is connected with one end of the lower bearing plate 192, the other end of the connecting shaft 171 is disposed in the up-down adjusting member 172 at the bottom end of the up-down adjusting member 172, the adjusting screw 173 is disposed in the upper end of the up-down adjusting member 172, and the up-down adjusting member 172 is connected with the fan body through a fixing screw 1003. The other end of the connecting shaft 171 can be sleeved with a shaft sleeve 1711 to reduce friction on the connecting shaft 171 when the up-down adjusting member 172 moves, and a user can screw the adjusting screw 173 to move the up-down adjusting member 172 up and down along with the adjusting screw 173, so as to drive the fan body to move up and down.

To sum up, the hinge assembly of the present invention fixes the position of the upper fan connecting assembly through the base of the upper fan connecting assembly and the fastening member, and forms a long groove on the long rocker arm of the upper fan connecting assembly and forms a locking point with a top end extending out of the long groove corresponding to the long groove on the transmission assembly, and by providing the locking seat with the locking structure cooperating with the locking point, when the upper fan connecting assembly is closed on the upper frame connecting assembly, the top end of the locking point is located in the locking structure of the locking seat, so as to realize the tight locking of the upper hinge assembly by the cooperation of the locking structure of the locking seat and the locking point, and improve the sealing wind pressure resistance performance, and at the same time, the lower hinge assembly includes the upper and lower adjusting assembly connected with the fan body to adjust the position of the fan body up and down, and the distance between the fastening member and the base can be adjusted by screwing the connecting screw, thereby adjusting the position of the fan body connected with the fastening member in the length direction of the frame body, the clearance between the fan body and the two ends of the frame body is adjusted, so that the fan body and the frame body with various specifications can be installed and opened and closed. The lock point on the lock seat can be driven to move by moving the transmission assembly, the lock point can move in the lock structure of the lock seat along the long strip groove, the long rocker arm is step-shaped, one end, far away from the upper hinged plate assembly, of the long strip groove is bent upwards, so that the lock point is separated from the long strip groove and the lock seat, when the lock point is separated from the lock structure of the lock seat and still located in the long strip groove, the fan body can be horizontally opened, and when the lock point is separated from the long strip groove, the fan body can be inwards opened.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims

1. A hinge assembly, comprising:

the upper hinge assembly comprises an upper frame connecting assembly and an upper fan body connecting assembly, wherein the upper frame connecting assembly is arranged on the frame body and comprises an upper fixing plate, and the upper fixing plate is arranged on the frame body; the upper fan body connecting assembly is hinged to be opened and closed in a matched mode through the upper hinge plate assembly and the upper frame body connecting assembly, the upper fan body connecting assembly is installed on a fan body and comprises a long rocker arm, a base, a fastener and a transmission assembly, the fastener is connected with the base through a connecting screw and is fixedly installed on the fan body, the long rocker arm is hinged to the base and is located above the transmission assembly, a long groove is formed in the long rocker arm along the length direction of the long rocker arm, one end of the long rocker arm is hinged to the upper hinge plate assembly, a rocker arm sliding groove is formed in the outer side of the long groove along the length direction of the long rocker arm, the end, far away from the upper hinge plate assembly, of the long rocker arm is bent upwards to form a support plate, the other end of the support plate is bent outwards along the length direction of the long rocker arm to form a rocker arm end plate, so that the long rocker arm is in a step shape, and a locking point is arranged at the position, corresponding to the long groove, of the transmission assembly, so that the locking point is placed in the long strip groove and the top end of the locking point extends out of the long strip groove;

the lock seat is provided with a locking structure matched with the locking point, and when the upper fan body connecting assembly is closed on the upper frame body connecting assembly, the top end of the locking point is positioned in the locking structure of the lock seat;

the lower hinge assembly is positioned below the upper hinge assembly and comprises a lower frame connecting assembly, a lower fan connecting assembly and an upper and lower adjusting assembly, the lower frame connecting assembly is arranged on the frame and comprises a lower fixing plate, and the lower fixing plate is arranged on the frame; lower fan body coupling assembling and lower frame coupling assembling mutually support articulated switching, and install on the fan body, including lower support piece, support piece fixed mounting is on the fan body down, be formed with the support piece spout along its length direction on the support piece down, it articulates on the upper surface of the one end of support piece down has from top to bottom adjusting part, adjusting part and fan body coupling from top to bottom adjust the position of the fan body from top to bottom.

2. The hinge assembly of claim 1, wherein the latch base is mounted to a lower surface of one end of the upper fixing plate.

3. The hinge assembly of claim 1, wherein the lock base is mounted to the frame body outside an end of the upper fixing plate.

4. The hinge assembly of claim 1, wherein the transmission assembly includes a connecting member, a connecting rod, an upper transmission member and a connecting arm, the base is located below the rocker arm end plate, the fastening member is located outside an end of the elongated rocker arm remote from the upper hinge plate assembly, the connecting rod is slidably disposed below the fastening member and the base, one end of the connecting rod adjacent to the fastening member extends out of the fastening member and is connected to the connecting member, the other end of the connecting rod extends out of the base and is connected to one end of the upper transmission member, the other end of the upper transmission member is connected to the connecting arm, the elongated slot is correspondingly located above the upper transmission member, and the locking point is disposed on the upper transmission member such that the locking point is disposed in the elongated slot and the top end of the locking point extends out of the elongated slot.

5. The hinge assembly of claim 4, wherein the driving assembly further comprises a connection auxiliary member having one end connected to one end of the connection member and the other end formed with a cover plate covering over the fastening member.

6. The hinge assembly as claimed in claim 1, wherein the long swing arm is provided with an anti-sloshing block, the anti-sloshing block comprising a main body fixed to the long swing arm and a side support plate vertically provided at one side of the main body, the side support plate abutting against the fan body.

7. The hinge assembly of claim 1, wherein the upper hinge plate assembly comprises an upper rotation plate, an upper bearing plate and an upper connection plate, one end of the upper rotation plate is hinged to the other end of the upper fixing plate, the other end of the upper rotation plate is slidably hinged to the rocker sliding groove, one end of the upper bearing plate is hinged to the end of the other end of the long rocker arm, the other end of the upper bearing plate is hinged to one end of the upper connection plate, the other end of the upper connection plate is hinged to the upper fixing plate, and the middle portion of the upper bearing plate is hinged to the middle portion of the upper rotation plate.

8. The hinge assembly as claimed in claim 1, wherein an adjusting block is provided at one end of the lower fixing plate, one end of the adjusting block is hinged to the lower fixing plate by an eccentric rivet, and the other end thereof is protruded from one end of the lower fixing plate to be fixed to the frame body by being mounted to a fixing block by a screw.

9. The hinge assembly of claim 8, wherein the lower frame connecting assembly is hinged to the lower fan connecting assembly through a lower hinge plate assembly, the lower hinge plate assembly comprises a lower rotating plate, a lower bearing plate and a lower connecting plate, one end of the lower rotating plate is hinged to the other end of the lower fixing plate, the other end of the lower rotating plate is slidably hinged to the supporting plate sliding groove, one end of the lower bearing plate is hinged to the lower supporting plate through the up-down adjusting assembly, the other end of the lower bearing plate is hinged to one end of the lower connecting plate, the other end of the lower connecting plate is hinged to the lower fixing plate, and the middle of the lower bearing plate is hinged to the middle of the lower rotating plate.

10. The hinge assembly of claim 9, wherein the up-down adjusting assembly comprises a connecting shaft, an up-down adjusting member and an adjusting screw, one end of the connecting shaft passes through the lower supporting plate to be connected with one end of the lower bearing plate, the other end of the connecting shaft is placed in the up-down adjusting member at the bottom end of the up-down adjusting member, the adjusting screw is placed in the upper end portion of the up-down adjusting member, and the up-down adjusting member is connected with the fan body through a fixing screw.