A convenient and general assembly structure for a pressing opening and closing device

Abstract

The present invention relates to a convenient and general assembly structure of a pressing opening and closing device. The pressing opening and closing device includes a bracket and a connecting arm. The bracket is provided with a pressing component, a pushing component, and an opening and closing component that are elastically movable independently of each other. The connecting arm is hinged to the bracket for opening and closing, and a pushing transmission member and an opening and closing transmission member are hinged thereto, and are respectively connected to the pushing component and the opening and closing component through the pushing transmission member and the opening and closing transmission member. The connecting arm is relatively pressed against the bracket through the cooperation of the pressing component, the pushing component, the opening and closing component, the pushing transmission member, and the opening and closing transmission member to automatically hinge open a certain position or fully open to the terminal position. A reset component is provided between the pushing component and the opening and closing component, and the two are reset and cooperate through the reset component when the connecting arm is hinged open or closed. A pre-assembly positioning portion is detachably installed on the upper surface and / or the lower surface of the bracket, and pre-positioning assembly is achieved through the pre-assembly positioning portion. The above structure can enable the pressing opening and closing device to achieve convenient assembly and high versatility at the same time.

Description

Technical Field

[0001] The present invention relates to a convenient and universal assembly structure for a pressing opening and closing device. Background Art

[0002] Chinese Patent Document No. CN113463998A discloses a pressing automatic opening and closing and resetting structure for furniture on October 1, 2021. It includes a pressing resetting device and a sliding device; the pressing resetting device includes a bracket, on which a pressing component, a pushing component, an opening and closing component and a connecting arm are arranged; a transmission component is arranged on the connecting arm and is respectively in transmission connection with the pushing component and the opening and closing component through the transmission component; a reset component is arranged between the pushing component and the opening and closing component, and the two are in reset cooperation through the reset component; the sliding device includes a fixing piece; one end of the connecting arm is pressingly and automatically hingedly opened and closed on the bracket through the cooperation of the pressing component, the pushing component, the opening and closing component and the reset component, and a disassembly and assembly sliding component is arranged between the other end and the fixing piece. The connecting arm is detachably connected to the fixing piece through the disassembly and assembly sliding component and slides on the fixing piece through the disassembly and assembly sliding component during automatic hinged opening and closing. The bracket of the above structure is only fixedly assembled on the furniture cabinet body through fasteners. Due to the operation problems of users during the assembly process, a unified and standard assembly effect cannot be achieved, and it is easy to cause the bracket to be unable to be accurately assembled on the furniture cabinet body at the specified position, resulting in the furniture door body being unable to be well pressed to open and close on the furniture cabinet body, and further unable to accurately realize the automatic reset of the components on the bracket. Users need to perform multiple alignment operations on the pressing opening and closing device to assemble it on the furniture cabinet body. The assembly process is complex and inefficient, affecting the user experience. Therefore, it is necessary to further improve. Summary of the Invention

[0003] The purpose of the present invention is to provide a convenient and universal assembly structure for a pressing opening and closing device to overcome the deficiencies in the prior art.

[0004] A convenient and universal assembly structure for a pressing opening and closing device designed according to this purpose. The pressing opening and closing device at least includes a bracket and a connecting arm, and is characterized in that: on the bracket, there are arranged a pressing component, a pushing component and an opening and closing component that are independently elastically movable from each other.

[0005] The connecting arm is hingedly opened and closed on the bracket, and a pushing transmission part and an opening and closing transmission part are hinged on it, and are respectively in transmission connection with the pushing component and the opening and closing component through the pushing transmission part and the opening and closing transmission part.

[0006] The connecting arm is relatively pressed and automatically hingedly opened to a certain position or fully opened to the terminal position relative to the bracket through the cooperation of the pressing component, the pushing component, the opening and closing component, the pushing transmission part and the opening and closing transmission part.

[0007] A reset component is arranged between the push component and the opening and closing component, and the two are reset and matched through the reset component when the connecting arm is hinged to open or close.

[0008] The upper surface and / or the lower surface of the bracket is also provided with a pre-installed positioning part, and the pre-positioning assembly is achieved through the pre-installed positioning part.

[0009] The upper and lower surfaces of the bracket are provided with adapters for disassembly and installation; the pre-installed positioning portion is convexly arranged on one side surface of the adapter, and its protruding size exceeds the upper and lower surfaces of the bracket.

[0010] The upper surface and the lower surface of the bracket are respectively provided with recesses; the adapter is directly detachably embedded in the recess, and / or a detachable fitting portion is provided between the adapter and the recess, and the adapter is detachably mounted on the recess via the detachable fitting portion.

[0011] The disassembly and assembly matching portion includes a protruding position and a recessed position.

[0012] The raised position is convexly arranged on the concave portion, and the concave position is concavely arranged on the adapter; or, the raised position is convexly arranged on the adapter, and the concave position is concavely arranged on the concave portion.

[0013] The adapter is assembled and disassembled on the concave part through the concave-convex matching of the convex part and the concave part.

[0014] The raised part is convexly arranged on the surface of the concave part, and its protruding size does not exceed the upper surface and the lower surface of the bracket; the recessed part is recessed on the other side surface of the adapter; the adapter is disassembled and assembled on the raised part of the concave part through the recessed part.

[0015] The adapter or the recess is also provided with a notch for tool or manual action; at least during assembly, the adapter is acted on the notch by a tool or manually, and the adapter is driven to be detached from the recess.

[0016] The structure also includes a cabinet body, a door body and hinges.

[0017] The cabinet is provided with a pre-installed positioning matching portion; the bracket is provided with at least two fastening holes through-through, and fasteners are fastened and connected through the at least two fastening holes.

[0018] When the pre-installed positioning part is assembled on the bracket, the bracket is pre-positioned and assembled on the pre-installed positioning matching part through the pre-installed positioning part, and after the pre-positioning, it is fastened and assembled on the cabinet through the fastening holes and the matching fasteners.

[0019] When the pre-installed positioning part is detached from the bracket, the surface of the bracket rests on the cabinet body and is fastened and assembled on the cabinet body through the cooperation of the fastening holes and the fasteners.

[0020] A sliding piece is arranged on the door body, and the outer end of the connecting arm slides on the sliding piece during assembly and disassembly.

[0021] The hinges are respectively hinged with the cabinet body and the door body.

[0022] The door body is automatically hinged and opened and closed on the cabinet body through the cooperation of the press-type opening and closing device, the sliding member and the hinge.

[0023] The pressing component also includes a locking component, a pressing component and an intermediate component; the pushing component also includes a pushing action component and a pushing elastic component.

[0024] A locking portion is provided on the locking member, and a locking elastic member is provided between the locking member and the bracket. One end of the locking elastic member is elastically positioned on the locking member, and the other end is elastically positioned on the bracket. The locking member slides elastically linearly on the bracket through the locking elastic member.

[0025] A pressing elastic member is arranged between the pressing member and the bracket, one end of the pressing elastic member is elastically positioned on the pressing member, and the other end is elastically positioned on the bracket; the pressing member slides on the bracket through the pressing elastic member's pressing elastic expansion and contraction.

[0026] The middle piece rotates or swings on the bracket, and two ends of the middle piece are respectively hinged with the pressing piece and the locking piece.

[0027] The push action piece is provided with an arc-shaped action position and a push action portion; one end of the push elastic piece is elastically positioned on the push action piece, and the other end is elastically positioned on the bracket.

[0028] The pressing piece presses and moves when the connecting arm is in a closed state, and drives the locking piece through the intermediate piece to overcome the elastic force of the locking elastic piece and slide on the bracket. The locking part and the arc-shaped action position are unlocked in an arc form when the locking part and the arc-shaped action position are unlocked. The pushing piece slides elastically linearly on the bracket through the pushing elastic piece when the locking part and the arc-shaped action position are unlocked, and acts on the pushing transmission piece through the pushing action part during elastic linear sliding, and drives the connecting arm to automatically hinge and open to a certain position or fully open to the terminal position relative to the bracket.

[0029] The opening and closing component comprises an opening and closing action member and an opening and closing elastic member; the reset component comprises a push reset member and an opening and closing reset member; and a guide part is also arranged on the bracket.

[0030] The opening and closing member is connected with the opening and closing transmission member; one end of the opening and closing elastic member is elastically positioned on the opening and closing member, and the other end is elastically positioned on the bracket.

[0031] A push-reset elastic member is arranged between the push-reset member and the push-action member, one end of the push-reset elastic member elastically acts on the push-reset member, and the other end elastically acts on the push-action member; the push-reset member elastically moves on the push-action member through the push-reset elastic member.

[0032] An opening and closing reset elastic member is arranged between the opening and closing reset member and the opening and closing acting member. One end of the opening and closing reset elastic member is elastically positioned on the opening and closing reset member, and the other end is elastically positioned on the opening and closing acting member; the opening and closing reset member elastically moves on the opening and closing acting member through the opening and closing reset elastic member.

[0033] The pushing and resetting member acts on and relies on the guiding portion when the connecting arm is automatically hinged and opened relative to the bracket by a certain position, and interacts with the opening and closing reset member. When the connecting arm continues to be hinged and opened relative to the bracket, the opening and closing acting member slides in the direction of the pushing acting member, and drives the pushing acting member to reset and slide on the bracket through the cooperation of the opening and closing reset member and the pushing and resetting member. When the pushing acting member resets and slides to a certain position, it is arc-shaped and locked with the unlocking portion of the unlocking member through the arc-shaped acting position; wherein, when the connecting arm is hinged and closed relative to the bracket, the opening and closing reset member and the pushing and resetting member are separated from each other, and the connecting arm is freely hinged and closed relative to the bracket.

[0034] Or, the pushing and resetting member acts on and relies on the guiding portion when the connecting arm is fully opened to the terminal position relative to the bracket, and interacts with the opening and closing reset member. When the connecting arm is hinged and closed relative to the bracket, the opening and closing acting member slides in the direction of the pushing acting member, and drives the pushing acting member to reset and slide on the bracket through the cooperation of the opening and closing reset member and the pushing and resetting member. When the pushing acting member resets and slides to a certain position, it is arc-shaped and locked with the unlocking portion of the unlocking member through the arc-shaped acting position.

[0035] Through the improvement of the above structure, the present invention has the following advantages compared with the prior art:

[0036] 1. Concave portions with raised positions are respectively arranged on the upper and lower surfaces of the bracket, so that the adapter with a sunken position can be disassembled and assembled on the concave portion at will. At the same time, a pre-installation positioning portion is also arranged on the adapter, so that the bracket can be pre-positioned and assembled on the pre-installation positioning and mating portion of the cabinet body during assembly. This not only facilitates the user to pre-position and assemble the pressing opening and closing device on the cabinet body, simplifies the assembly process of the pressing opening and closing device, but also avoids the need for the user to perform multiple alignment operations to assemble the pressing opening and closing device in the correct position, reduces the user's redundant operations, and enables the pressing opening and closing device to be pre-positioned on the cabinet body conveniently, quickly, simply and accurately; after pre-positioning, the pressing opening and closing device can be firmly assembled on the cabinet body through the cooperation of the fastening holes and the fasteners, thereby improving the assembly stability of the pressing opening and closing device and avoiding the problem of loosening of the pressing opening and closing device during use, so as to improve the use stability of the product.

[0037] 2. Since the adapter can be disassembled and assembled on the upper surface or the lower surface of the bracket, and the protruding dimension of the raised position does not exceed the upper surface and the lower surface of the bracket, after the adapter is assembled, the push-and-open / close device can be pre-positioned and assembled on the cabinet body on its upper surface or lower surface by using the pre-installed positioning part. Also, when the adapter is detached, it can directly rely on its upper surface or lower surface on the cabinet body and be firmly assembled on the cabinet body through the cooperation of the fastening holes and fasteners, thereby improving the assembly versatility of the push-and-open / close device and allowing users to make arbitrary adjustments according to different assembly requirements to enhance the user experience.

[0038] Generally speaking, it has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, convenient disassembly and assembly, high versatility, and safe, reliable, worry-free and labor-saving for users, etc., and has strong practicability. Brief Description of the Drawings

[0039] Figure 1 Schematic assembly structure diagram of the cabinet body, door body, hinge and push-and-open / close device of the first embodiment of the present invention.

[0040] Figure 2 Schematic assembly structure diagram of the push-and-open / close device and adapter of the first embodiment of the present invention.

[0041] Figure 3 Schematic exploded structure diagram of the cabinet body, push-and-open / close device and adapter of the first embodiment of the present invention.

[0042] Figure 4 Schematic exploded sectional structure diagram of the cabinet body, push-and-open / close device and adapter of the first embodiment of the present invention.

[0043] Figure 5 Schematic sectional assembly structure diagram of the cabinet body, push-and-open / close device and adapter of the first embodiment of the present invention.

[0044] Figure 6 Schematic exploded structure diagram of the push-and-open / close device of the first embodiment of the present invention.

[0045] Figure 7 Schematic sectional assembly structure diagram of the push-and-open / close device of the first embodiment of the present invention.

[0046] Figure 8 is Figure 7 Enlarged structure diagram of part A in

[0047] Figure 9 is Figure 7 Enlarged structure diagram of part B in

[0048] Figure 10 Another schematic assembly structure diagram of the push-and-open / close device of the first embodiment of the present invention.

[0049] Figure 11 This is a schematic diagram of the exploded structure of another application example of the cabinet, door, hinge, and push-open and close device of the first embodiment of the present invention.

[0050] Figure 12 It is a schematic diagram of the assembly structure of another application example of the cabinet, door, hinge and push-open and close device of the first embodiment of the present invention. DETAILED DESCRIPTION

[0051] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0052] See also Figures 1-12 The convenient universal assembly structure of the push-to-open and close device comprises at least a bracket 1 and a connecting arm 2, and is characterized in that: the bracket 1 is provided with a pressing component, a pushing component and an opening and closing component which are elastically movable independently of each other.

[0053] The connecting arm 2 is hingedly opened and closed on the bracket 1, and a push transmission member 3 and an opening and closing transmission member 4 are hingedly connected thereto, and are respectively connected to the push assembly and the opening and closing assembly through the push transmission member 3 and the opening and closing transmission member 4.

[0054] The connecting arm 2 is automatically hinged and opened to a certain position or fully opened to a terminal position by pressing relative to the bracket 1 through the cooperation of the pressing component, the pushing component, the opening and closing component, the pushing transmission member 3 and the opening and closing transmission member 4.

[0055] A reset component is provided between the push component and the opening and closing component, and the two are reset and matched through the reset component when the connecting arm 2 is hinged to open or close.

[0056] The upper surface and / or the lower surface of the bracket 1 is also provided with a pre-installed positioning portion 41 which can be disassembled and installed, and the pre-positioning assembly is achieved through the pre-installed positioning portion 41 .

[0057] The upper and lower surfaces of the bracket 1 are detachably provided with adapters 42 ; the pre-installed positioning portion 41 is protruded on one side surface of the adapter 42 , and its protruding dimension exceeds the upper and lower surfaces of the bracket 1 .

[0058] Recesses 43 are respectively provided on the upper and lower surfaces of the bracket 1; the adapter 42 is directly disassembled and embedded in the recess 43, that is, the adapter 42 is directly embedded in the smaller outer dimension of the recess 43 using the larger outer dimension. In addition, a disassembly and assembly fitting portion is provided between the adapter 42 and the recess 43, and the adapter 42 is disassembled and assembled on the recess 43 through the disassembly and assembly fitting portion.

[0059] Furthermore, in this embodiment, the disassembly and assembly fitting part is preferably used to realize the assembly between the adapter 42 and the recessed part 43. The disassembly and assembly fitting part includes a protruding part 44 and a recessed part 45.

[0060] The protruding position 44 protrudes on the concave part 43, and the sunken position 45 is recessed on the adapter 42; or, the protruding position 44 protrudes on the adapter 42, and the sunken position 45 is recessed on the concave part 43.

[0061] The adapter 42 is detachably assembled on the concave part 43 through the concave-convex fit of the protruding position 44 and the sunken position 45.

[0062] The protruding position 44 protrudes on the surface of the concave part 43, and its protruding dimension does not exceed the upper and lower surfaces of the bracket 1; the sunken position 45 is recessed on the other side surface of the adapter 42; the adapter 42 is detachably assembled on the protruding position 44 of the concave part 43 through the sunken position 45.

[0063] A notch position 46 for tool or manual action is further provided on the adapter 42 or the concave part 43; the adapter 42 is at least driven by a tool or manually acting on the notch position 46 during assembly, and the adapter 42 is driven to detach from the concave part 43.

[0064] This structure further includes a cabinet body X, a door body Y and a hinge 40.

[0065] At least two fastening holes 48 are provided through the bracket 1, and fasteners 49 are fixedly connected through at least two fastening holes 48.

[0066] As Figure 1 shown, a pre-installation positioning and mating part 47 is provided on the cabinet body X; when the pre-installation positioning part 41 is assembled on the bracket 1, the bracket 1 is pre-positioned and assembled on the pre-installation positioning and mating part 47 through the pre-installation positioning part 41, and after pre-positioning, it is fixedly assembled on the cabinet body X through the cooperation of the fastening holes 48 and the fasteners 49.

[0067] Or alternatively as Figure 11 , Figure 12 shown, for the sake of beauty, an assembly groove 50 is directly opened on the cabinet body X. Since the protruding dimension of the protruding position 44 does not exceed the upper and lower surfaces of the bracket 1, when the pre-installation positioning part 41 is detached from the bracket 1, the entire pressing and opening / closing device can be embedded in the assembly groove 50, and at the same time, the surface of the bracket 1 relies on the assembly groove 50 of the cabinet body X and is fixedly assembled on the cabinet body X through the cooperation of the fastening holes 48 and the fasteners 49.

[0068] A sliding member Z is provided on the door body Y, and the outer end of the connecting arm 2 is detachably slid on the sliding member Z.

[0069] The hinge 40 is respectively hinged and mated with the cabinet body X and the door body Y.

[0070] The door body Y is automatically hinged and opened / closed in a pressing manner on the cabinet body X through the cooperation of the pressing and opening / closing device, the sliding member Z and the hinge 40.

[0071] The pressing component further includes a locking member 5 , a pressing member 13 and an intermediate member 14 ; the pushing component further includes a pushing member 6 and a pushing elastic member 15 .

[0072] A locking portion 11 is provided on the locking member 5, and a locking elastic member 9 is provided between the locking member 5 and the bracket 1. One end of the locking elastic member 9 is elastically positioned on the locking member 5, and the other end is elastically positioned on the bracket 1; the locking member 5 slides elastically linearly on the bracket 1 through the locking elastic member 9.

[0073] A pressing elastic member 30 is provided between the pressing member 13 and the bracket 1 , one end of the pressing elastic member 30 is elastically positioned on the pressing member 13 , and the other end is elastically positioned on the bracket 1 ; the pressing member 13 slides on the bracket 1 by the pressing elastic member 30 in a press-type elastic telescopic manner.

[0074] The middle piece 14 rotates or swings on the bracket 1, and its two ends are respectively connected to the pressing piece 13 and the locking piece 5 in a transmission hinged manner.

[0075] The push member 6 is provided with an arc-shaped action position 8 and a push portion 16 ; one end of the push elastic member 15 is elastically positioned on the push member 6 , and the other end is elastically positioned on the bracket 1 .

[0076] The pressing member 13 is pressed and moved when the connecting arm 2 is in the closed state, and drives the locking member 5 to slide on the bracket 1 through the intermediate member 14 to overcome the elastic force of the locking elastic member 9. The locking portion 11 is unlocked with the arc-shaped action position 8 in an arc form when the locking member 5 slides. The pushing member 6 elastically slides linearly on the bracket 1 through the pushing elastic member 15 when the locking portion 11 and the arc-shaped action position 8 are unlocked, and acts on the pushing transmission member 3 through the pushing action portion 16 during the elastic linear sliding, and drives the connecting arm 2 to automatically hinge and open to a certain position or fully open to the terminal position relative to the bracket 1.

[0077] The opening and closing assembly includes an opening and closing action member 17 and an opening and closing elastic member 18; the reset assembly includes a push reset member 19 and an opening and closing reset member 20; and a guide portion 23 is also provided on the bracket 1.

[0078] The opening and closing member 17 is connected with the opening and closing transmission member 4 ; one end of the opening and closing elastic member 18 is elastically positioned on the opening and closing member 17 , and the other end is elastically positioned on the bracket 1 .

[0079] A push-reset elastic member 21 is provided between the push-reset member 19 and the push-action member 6 , one end of the push-reset elastic member 21 elastically acts on the push-reset member 19 , and the other end elastically acts on the push-action member 6 ; the push-reset member 19 elastically moves on the push-action member 6 through the push-reset elastic member 21 .

[0080] An opening and closing reset elastic member 22 is provided between the opening and closing reset member 20 and the opening and closing acting member 17. One end of the opening and closing reset elastic member 22 is elastically positioned and acts on the opening and closing reset member 20, and the other end is elastically positioned and acts on the opening and closing acting member 17; the opening and closing reset member 20 elastically moves on the opening and closing acting member 17 through the opening and closing reset elastic member 22.

[0081] When the connecting arm 2 is automatically hinged and opened to a certain position relative to the bracket 1, the pushing and resetting member 19 acts on and relies on the guiding portion 23, and interacts with the opening and closing reset member 20. When the connecting arm 2 continues to be hinged and opened relative to the bracket 1, the opening and closing acting member 17 slides in the direction of the pushing acting member 6, and drives the pushing acting member 6 to reset and slide on the bracket 1 through the cooperation of the opening and closing reset member 20 and the pushing and resetting member 19. When the pushing acting member 6 resets and slides to a certain position, it is arc-shaped and locked with the unlocking portion 11 of the unlocking member 5 through the arc-shaped acting position 8; wherein, when the connecting arm 2 is hinged and closed relative to the bracket 1, the opening and closing reset member 20 and the pushing and resetting member 19 are separated from each other, and the connecting arm 2 is freely hinged and closed relative to the bracket 1.

[0082] Alternatively, when the connecting arm 2 is fully opened to the terminal position relative to the bracket 1, the pushing and resetting member 19 acts on and relies on the guiding portion 23, and interacts with the opening and closing reset member 20. When the connecting arm 2 is hinged and closed relative to the bracket 1, the opening and closing acting member 17 slides in the direction of the pushing acting member 6, and drives the pushing acting member 6 to reset and slide on the bracket 1 through the cooperation of the opening and closing reset member 20 and the pushing and resetting member 19. When the pushing acting member 6 resets and slides to a certain position, it is arc-shaped and locked with the unlocking portion 11 of the unlocking member 5 through the arc-shaped acting position 8.

[0083] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A convenient universal assembly structure of a push-open and close device, the push-open and close device comprising at least a bracket (1) and a connecting arm (2), Features: The bracket (1) is provided with a pressing component, a pushing component, and an opening and closing component which are elastically movable independently of each other; The connecting arm (2) is hingedly connected to the bracket (1) for opening and closing, and a push transmission member (3) and an opening and closing transmission member (4) are hingedly connected to the connecting arm, and the pushing assembly and the opening and closing assembly are respectively connected to each other through the pushing transmission member (3) and the opening and closing transmission member (4); The connecting arm (2) is automatically hinged and opened to a certain position or fully opened to a terminal position by pressing relative to the bracket (1) through the cooperation of the pressing component, the pushing component, the opening and closing component, the pushing transmission component (3) and the opening and closing transmission component (4); A reset component is provided between the push component and the opening and closing component, and the two are reset and matched through the reset component when the connecting arm (2) is hingedly opened or closed; The upper surface and / or the lower surface of the bracket (1) is also provided with a detachable pre-installed positioning portion (41), and pre-positioning assembly is achieved through the pre-installed positioning portion (41); The upper and lower surfaces of the bracket (1) are provided with a removable adapter (42); the pre-installed positioning portion (41) is protruded on one side surface of the adapter (42), and its protruding size exceeds the upper and lower surfaces of the bracket (1); The upper surface and the lower surface of the bracket (1) are respectively provided with recesses (43); the adapter (42) is directly detachably embedded in the recess (43), and / or a detachable fitting portion is provided between the adapter (42) and the recess (43), and the adapter (42) is detachably mounted on the recess (43) via the detachable fitting portion; The disassembly and assembly matching portion comprises a protruding position (44) and a recessed position (45); The raised position (44) is convexly arranged on the concave portion (43), and the concave position (45) is concavely arranged on the adapter (42); or, the raised position (44) is convexly arranged on the adapter (42), and the concave position (45) is concavely arranged on the concave portion (43); The adapter (42) is assembled and disassembled on the concave portion (43) through the concave-convex matching of the convex portion (44) and the concave portion (45); It also includes a cabinet body (X), a door body (Y) and a hinge (40); The cabinet (X) is provided with a pre-installed positioning matching portion (47); at least two fastening holes (48) are provided through the bracket (1), and a fastener (49) is fastened and connected through the at least two fastening holes (48); When the pre-installed positioning portion (41) is assembled on the bracket (1), the bracket (1) is pre-positioned and assembled on the pre-installed positioning matching portion (47) through the pre-installed positioning portion (41), and after the pre-positioning, it is fastened and assembled on the cabinet (X) through the matching of the fastening hole (48) and the fastener (49); When the pre-installed positioning portion (41) is detached from the bracket (1), the surface of the bracket (1) rests on the cabinet (X) and is fastened and assembled on the cabinet (X) through the cooperation of the fastening holes (48) and the fasteners (49); A sliding member (Z) is provided on the door body (Y), and the outer end of the connecting arm (2) is disassembled and slid on the sliding member (Z); The hinge (40) is hingedly connected to the cabinet body (X) and the door body (Y) respectively; The door body (Y) is opened and closed on the cabinet body (X) by means of a push-type automatic hinge connection through the cooperation of a push-opening and closing device, a sliding member (Z) and a hinge (40).

2. According to claim 1, the convenient universal assembly structure of the push-open and close device, Features: The raised position (44) is convexly arranged on the surface of the recessed portion (43), and its protruding size does not exceed the upper surface and the lower surface of the bracket (1); the recessed position (45) is recessed on the other side surface of the adapter (42); and the adapter (42) is detachably mounted on the raised position (44) of the recessed portion (43) through the recessed position (45).

3. According to claim 1, the convenient universal assembly structure of the push-open and close device, Features: The adapter (42) or the recess (43) is also provided with a notch (46) for a tool or manual action; at least during assembly, the adapter (42) is acted on the notch (46) by a tool or manual action, and the adapter (42) is driven to be detached from the recess (43).

4. The convenient universal assembly structure of the push-open and close device according to any one of claims 1 to 3, Features: The pressing component of the structure further comprises a locking member (5), a pressing member (13) and an intermediate member (14); the pushing member further comprises a pushing member (6) and a pushing elastic member (15); The locking member (5) is provided with a locking portion (11), and a locking elastic member (9) is provided between the locking member (5) and the bracket (1); one end of the locking elastic member (9) is elastically positioned on the locking member (5), and the other end is elastically positioned on the bracket (1); the locking member (5) is elastically linearly slid on the bracket (1) through the locking elastic member (9); A pressing elastic member (30) is provided between the pressing member (13) and the bracket (1); one end of the pressing elastic member (30) is elastically positioned on the pressing member (13), and the other end is elastically positioned on the bracket (1); the pressing member (13) is elastically telescopically slidable on the bracket (1) by the pressing elastic member (30); The middle piece (14) rotates or swings on the bracket (1), and its two ends are respectively connected to the pressing piece (13) and the locking piece (5) in a transmission manner. The push action member (6) is provided with an arc-shaped action position (8) and a push action portion (16); one end of the push elastic member (15) is elastically positioned on the push action member (6), and the other end is elastically positioned on the bracket (1); The pressing member (13) is pressed and moved when the connecting arm (2) is in a closed state, and drives the locking member (5) through the intermediate member (14) to overcome the elastic force of the locking elastic member (9) and slide on the bracket (1); the locking portion (11) and the arc-shaped action position (8) are mutually unlocked in an arc form when the locking portion (5) slides; the pushing member (6) elastically slides linearly on the bracket (1) through the pushing elastic member (15) when the locking portion (11) and the arc-shaped action position (8) are unlocked, and acts on the pushing transmission member (3) through the pushing member (16) during the elastic linear sliding, and drives the connecting arm (2) to automatically hinge and open to a certain position or fully open to a terminal position relative to the bracket (1).

5. The convenient universal assembly structure of the push-open and close device according to claim 4, Features: The opening and closing assembly includes an opening and closing acting member (17) and an opening and closing elastic member (18); the reset assembly includes a pushing reset member (19) and an opening and closing reset member (20); a guiding portion (23) is further provided on the bracket (1); The opening and closing acting member (17) is cooperatively connected with the opening and closing transmission member (4); one end of the opening and closing elastic member (18) is elastically positioned on the opening and closing acting member (17), and the other end is elastically positioned on the bracket (1); A pushing reset elastic member (21) is provided between the pushing reset member (19) and the pushing acting member (6). One end of the pushing reset elastic member (21) elastically acts on the pushing reset member (19), and the other end elastically acts on the pushing acting member (6); the pushing reset member (19) elastically moves on the pushing acting member (6) through the pushing reset elastic member (21); An opening and closing reset elastic member (22) is provided between the opening and closing reset member (20) and the opening and closing acting member (17). One end of the opening and closing reset elastic member (22) is elastically positioned on the opening and closing reset member (20), and the other end is elastically positioned on the opening and closing acting member (17); the opening and closing reset member (20) elastically moves on the opening and closing acting member (17) through the opening and closing reset elastic member (22).

6. The convenient and general assembly structure of the pressing opening and closing device according to claim 5, characterized in that: The pushing reset member (19) acts on and relies on the guiding portion (23) when the connecting arm (2) is automatically hinged and opened relative to the bracket (1) by a certain position, and interacts with the opening and closing reset member (20). When the connecting arm (2) is further hinged and opened relative to the bracket (1), the opening and closing acting member (17) slides in the direction of the pushing acting member (6), and drives the pushing acting member (6) to reset and slide on the bracket (1) through the cooperation of the opening and closing reset member (20) and the pushing reset member (19). When the pushing acting member (6) resets and slides to a certain position, it is arc-shaped and mutually locked with the unlocking portion (11) of the unlocking member (5) through the arc-shaped acting position (8); wherein, when the connecting arm (2) is hinged and closed relative to the bracket (1), the opening and closing reset member (20) and the pushing reset member (19) are separated from each other, and the connecting arm (2) is freely hinged and closed relative to the bracket (1); Or, the pushing reset member (19) acts on and relies on the guiding portion (23) when the connecting arm (2) is fully opened to the terminal position relative to the bracket (1), and interacts with the opening and closing reset member (20). When the connecting arm (2) is hinged and closed relative to the bracket (1), the opening and closing acting member (17) slides in the direction of the pushing acting member (6), and drives the pushing acting member (6) to reset and slide on the bracket (1) through the cooperation of the opening and closing reset member (20) and the pushing reset member (19). When the pushing acting member (6) resets and slides to a certain position, it is arc-shaped and mutually locked with the unlocking portion (11) of the unlocking member (5) through the arc-shaped acting position (8).

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