CN209915492U

CN209915492U - Combined sofa integrated threaded connection mechanism and processing die thereof

Info

Publication number: CN209915492U
Application number: CN201920164059.2U
Authority: CN
Inventors: 彭林敏
Original assignee: Impression Home Co Ltd
Current assignee: Impression Home Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-10
Anticipated expiration: 2029-01-30

Abstract

An integrated threaded connection mechanism of a combined sofa comprises a seat plate, a backrest plate, a front baffle plate, a rear baffle plate, a left handrail plate and a right handrail plate which are formed by injection molding of plastic materials, wherein the left handrail plate and the right handrail plate are fixedly connected with the seat plate, the backrest plate, the front baffle plate and the rear baffle plate in an assembling way through connection mechanisms, the connecting mechanism comprises a left supporting plate and a right supporting plate, wherein hollow upright columns are respectively arranged at two sides of the left supporting plate and the right supporting plate, connecting columns are arranged on the inner side walls of the hollow upright columns, connecting holes are formed in the connecting columns, integrally formed threads are arranged in the connecting holes, the threads are only one spiral, and a fracture is formed between the beginning and the end of the spiral, the rear side walls of the left and right hand-up plates are provided with through grooves corresponding to the threads, the parts of the seat plate, the back plate, the front baffle plate and the rear baffle plate, which are spliced and connected with the left and right hand-up plates, are provided with corresponding through holes, and the through holes and the connecting holes with the threads are fixedly connected through plastic screws.

Description

Combined sofa integrated threaded connection mechanism and processing die thereof

Technical Field

The utility model relates to a modular integrative threaded connection mechanism of sofa to and be used for processing this integrative threaded mold processing.

Background

At present, a plurality of combined sofas exist in the market, have the advantages of adopting plastic materials for split injection molding, then being assembled together by a connecting mechanism, saving cost, having high processing speed, being capable of being placed in places such as balconies, outdoors, parks, sand beaches and the like, and being popular. Most of connecting mechanisms adopted in the existing assembly are connected by screws, but in order to achieve attractive appearance, the screws are guaranteed not to be exposed when being installed, meanwhile, the connecting parts of the sofa cannot be provided with threaded holes due to the limitation of a processing die, therefore, in the prior art, through holes are firstly formed in the connecting parts of products, then a cushion block with the threaded holes is additionally arranged, reverse buckles are arranged on two sides of the cushion block and clamped at the connecting parts of the products through the reverse buckles, the threaded holes correspond to the through holes, then the screws are inserted into the through holes and screwed with the threaded holes, and the installation is troublesome. In particular, the back-off on the spacer is easily broken during insertion, resulting in the entire spacer being discarded.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing an integrated threaded connection mechanism of a combined sofa, which is provided with a threaded hole, is convenient to connect and is reliable to install.

The utility model also aims to provide an integrative connection screw thread mold processing for processing modular sofa.

The utility model discloses integrative threaded connection mechanism's of combination formula sofa technical scheme is: comprises a seat plate, a backrest plate, a front baffle plate, a rear baffle plate, a left handrail plate and a right handrail plate which are formed by injection molding of plastic materials, wherein the left handrail plate and the right handrail plate are fixedly connected with the seat plate, the backrest plate, the front baffle plate and the rear baffle plate through connecting mechanisms, it is characterized in that the connecting mechanism comprises hollow upright columns respectively arranged at two sides of a left handrail and a right handrail, connecting columns are arranged on the inner side walls of the hollow upright columns, connecting holes are formed in the connecting columns, integrally formed threads are arranged in the connecting holes, the threads are only a spiral, and a fracture is formed between the beginning and the end of the spiral, the rear side walls of the left and right hand-up plates are provided with through grooves corresponding to the threads, the parts of the seat plate, the back plate, the front baffle plate and the rear baffle plate, which are spliced and connected with the left and right hand-up plates, are provided with corresponding through holes, and the through holes and the connecting holes with the threads are fixedly connected through plastic screws.

The utility model discloses an integrative threaded connection mechanism of modular sofa, when using, assemble all parts together earlier, then insert through-hole and connecting hole with the plastic screw in, twist again, make the screw thread in the thread groove on the plastic screw and the connecting hole tighten, can fix the completion. Compared with the prior art, the operation is more convenient and reliable, the labor intensity of assembly is reduced, the working hours are reduced, and the cost is saved. The design of the through groove is to facilitate the arrangement of the thread core block in the processing die, so that the thread can be smoothly molded and demoulded, but does not work in the product.

The utility model discloses an integrative connection thread mold processing of combination formula sofa, its characterized in that includes fixed die plate and movable mould board, the periphery on the movable mould board sets up the outer insert, sets up the die cavity between outer insert and fixed die plate and the movable mould board, mould plastics in the die cavity and hold up the board, and the both sides system of holding up the board has hollow stand, sets up the draw core draw runner in the hollow stand, and the draw core runner is driven by the mechanism of loosing core to loose core, set up the spliced pole on the inside wall of hollow stand, open the connecting hole in the spliced pole, set up integrated into one piece's screw thread in the connecting hole, the back lateral wall of holding up the board sets up the groove of passing through, the movable mould board sets up the mould foot down, sets up down thimble board and last thimble board between the mould foot, sets up ejecting cylinder in the both sides outer wall of movable mould board, and the oil cylinder pole of ejecting cylinder connects down the thimble board, installs the backing plate under the mould, the hot runner system is characterized in that a gate plate is arranged below the base plate, a gate is arranged in the gate plate and connected with a hot runner frame, an inclined sliding seat is arranged on the upper ejector plate, an inclined ejector rod is connected on the inclined sliding seat and extends into the movable template, an inclined ejector block is arranged at the head of the inclined ejector rod, a threaded core block is arranged on the inclined ejector block, and the threaded core block is matched with threads through a through groove.

The utility model discloses a modular sofa's a body coupling screw thread mold processing adopts the flip-chip structure, is about to runner, hot runner frame and hot mouth setting in the movable mould side of mould, and hot mouth has a plurality ofly, realizes that multiple spot injection product back advances to glue, can make the product openly not have the trace of gluing, and is aesthetic in appearance. Meanwhile, the back of the product is positioned on the side of the movable mold, a demolding and core-pulling structure can be better arranged on the movable mold plate, for example, hollow upright columns are arranged on two sides of the product (mainly, a left supporting plate and a right supporting plate), connecting columns are arranged on the hollow upright columns, connecting holes and threads are arranged in the connecting columns, the core-pulling slide bar and the thread core block can be better arranged in the movable mold plate, particularly, a through groove is arranged on the rear side wall of the product, the through groove is formed, the thread core block and the core-pulling slide bar can be smoothly matched, the thread is subjected to injection molding, an inclined ejector structure is utilized, the thread core block is ejected out of the threads, and finally, an ejector pin arranged on an upper ejector plate ejects the product out of the mold, so that.

The utility model discloses a modular sofa body coupling screw thread mold processing, the mechanism of loosing core include that the outer wall connection at the movable mould board looses core the direction base, set up the guide way in the direction base of loosing core, loose core draw the draw runner and the guide way cooperation, set up the hydro-cylinder of loosing core in core direction base outer end, connect the core pulling rod on the hydro-cylinder of loosing core, the draw core rod is connected and is loosed core the draw runner, has had direction base and guide way, the messenger looses the core draw runner and takes out smoothly.

Drawings

FIG. 1 is a perspective view of the sectional sofa of the present invention;

FIG. 2 is a schematic sectional view of the assembled sofa with an integral screw connection mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged schematic top view of the integrated screw connection mechanism of the sectional sofa of the present invention;

FIG. 5 is a schematic structural view of the integrated connection thread processing mold of the sectional sofa of the present invention;

FIG. 6 is a schematic cross-sectional view B-B of FIG. 5;

fig. 7 is a schematic perspective view of the integrated connection thread processing mold for the sectional sofa of the present invention.

Detailed Description

The utility model relates to an integrative threaded connection mechanism of modular sofa, as shown in fig. 1-4, include by plastic materials injection moulding's seat board 1, back board 2, preceding baffle 3, backplate 4 and left handrail 5, right handrail 6, it is fixed to assemble by coupling mechanism between left handrail 5 and right handrail 6 and seat board 1, back board 2, preceding baffle 3, backplate 4, coupling mechanism include that respectively set up hollow stand 7 in the both sides of left handrail 5 and right handrail 6, set up spliced pole 8 on the inside wall of hollow stand, open connecting hole 10 in the spliced pole, set up integrated into one piece's screw thread 11 in the connecting hole, screw thread 11 only has one spiral, and has fracture 12 between the originated and the end of this spiral, sets up ventilative groove 13 in the corresponding position of left handrail 5 and right handrail 6 back lateral wall and screw thread 11 seat board 1, back board 2, The parts of the front baffle 3 and the rear baffle 4, which are spliced and connected with the left handrail 5 and the right handrail 6 are provided with corresponding through holes 15, and the through holes 15 and the connecting holes 10 with the threads 11 are fixedly connected by plastic screws 16. When the fixing device is used, all the parts are assembled together, then the plastic screws 16 are inserted into the through holes 15 and the connecting holes 10, and then the plastic screws are screwed down, so that the screw grooves on the plastic screws 16 are screwed down with the threads 11 in the connecting holes, and then the fixing can be finished. Compared with the prior art, the operation is more convenient and reliable, the labor intensity of assembly is reduced, the working hours are reduced, and the cost is saved. The design of the through groove 13 is to facilitate the arrangement of the thread core block in the processing mould, so that the thread 11 can be smoothly formed and demoulded, but does not work in the product.

The invention relates to a combined sofa integral connection thread processing die, as shown in figures 5-7, comprising a fixed die plate 21 and a movable die plate 22, wherein an outer insert 23 is arranged on the periphery of the movable die plate, a die cavity is arranged between the outer insert and the fixed die plate as well as between the outer insert and the movable die plate, a supporting plate 24 is injected in the die cavity, hollow upright posts 7 are arranged on two sides of the supporting plate 24, a core-pulling slide bar 25 is arranged in each hollow upright post, the core-pulling slide bar 25 is driven by a core-pulling mechanism to pull core, a connecting post 8 is arranged on the inner side wall of each hollow upright post, a connecting hole 10 is formed in each connecting post, an integrally formed thread 11 is arranged in each connecting hole, a through-hole groove 13 is arranged on the rear side wall of the supporting plate 24, die feet 30 are arranged under the movable die plate 22, a lower ejector plate 31 and an upper ejector plate 32 are arranged between the die feet, ejector cylinders 37 are arranged on the outer, the hot runner frame 34 is arranged in the base plate, the hot nozzle 35 is connected to the hot runner frame, the hot nozzle extends into the movable mould plate 22 and is communicated with the mould cavity, the sprue plate 36 is arranged below the base plate 33, the sprue 39 is arranged in the sprue plate, the sprue 39 is connected with the hot runner frame 34, the upper ejector plate 32 is provided with an inclined slide seat 40, the inclined slide seat is connected with an inclined ejector rod 41, the inclined ejector rod extends into the movable mould plate, the head of the inclined ejector rod is provided with an inclined ejector insert 42, the inclined ejector insert 42 is provided with a threaded core block 43, and the threaded core block 43 is matched with the thread 11 through the through groove 13. This mold processing adopts the flip-chip structure, is about to runner 27, hot runner frame 34 and hot mouth 35 setting in the movable mould side of mould, and hot mouth has a plurality ofly, realizes that the product back of multiple spot injection advances to glue, can make the product openly have no gluey trace, and is aesthetic in appearance. Meanwhile, the back of the product is positioned on the side of the movable mold, a demolding and core-pulling structure can be better arranged on the movable mold plate, for example, hollow upright columns 7 are arranged on two sides of the product (mainly, a left supporting plate and a right supporting plate), connecting columns 8 are arranged on the hollow upright columns, connecting holes 10 and threads 11 are arranged in the connecting columns, the core-pulling slide bars 25 and the thread core blocks 43 can be better arranged in the movable mold plate, and particularly, through grooves 13 are arranged on the rear side wall of the product and are provided with the through grooves, so that the thread core blocks 43 and the core-pulling slide bars 25 can be smoothly matched, the threads 11 are subjected to injection molding, an inclined top structure is utilized to eject the thread core blocks 43 out of the threads 11, and finally, ejector pins arranged on an upper ejector plate are used for ejecting the product out of the mold. The core pulling mechanism comprises a core pulling guide base 26 connected to the outer wall of a movable mould plate 22, a guide groove 27 is formed in the core pulling guide base, a core pulling slide bar 25 is matched with the guide groove 27, a core pulling oil cylinder 28 is arranged at the outer end of the core pulling guide base 26, a core pulling rod 29 is connected to the core pulling oil cylinder 28, the core pulling rod 29 is connected with the core pulling slide bar 25, and the guide base and the guide groove are arranged, so that the core pulling slide bar can be pulled out smoothly.

Claims

1. An integrated threaded connection mechanism of a combined sofa comprises a seat plate (1), a backrest plate (2), a front baffle plate (3), a rear baffle plate (4), a left handrail plate (5) and a right handrail plate (6) which are formed by injection molding of plastic materials, wherein the left handrail plate (5), the right handrail plate (6), the seat plate (1), the backrest plate (2), the front baffle plate (3) and the rear baffle plate (4) are fixedly connected by a connection mechanism in an assembling way, the integrated threaded connection mechanism is characterized in that the connection mechanism comprises hollow upright posts (7) which are respectively arranged at two sides of the left handrail plate (5) and the right handrail plate (6), a connecting post (8) is arranged on the inner side wall of each hollow upright post, a connecting hole (10) is formed in each connecting post, an integrally formed thread (11) is arranged in each connecting hole, the thread (11) is only provided with one spiral, a fracture (12) is arranged between the beginning and the end of the spiral, and a through groove (13) is arranged at the corresponding part of the rear side walls of the left handrail plate (, corresponding through holes (15) are formed in the parts, connected with the left handrail (5) and the right handrail (6), of the seat plate (1), the backrest plate (2), the front baffle (3) and the rear baffle (4) in an assembling mode, and the through holes (15) and the connecting holes (10) with the threads (11) are fixedly connected through plastic screws (16).

2. An integral connection thread processing die of a combined sofa is characterized by comprising a fixed die plate (21) and a movable die plate (22), wherein an outer insert (23) is arranged on the periphery of the movable die plate, a die cavity is arranged between the outer insert and the fixed die plate as well as between the outer insert and the movable die plate, a holding plate (24) is injected in the die cavity, hollow columns (7) are manufactured on two sides of the holding plate (24), a core pulling slide bar (25) is arranged in each hollow column, the core pulling slide bar (25) is driven by a core pulling mechanism to pull core, a connecting column (8) is arranged on the inner side wall of each hollow column, a connecting hole (10) is formed in each connecting hole, integrally formed threads (11) are arranged in each connecting hole, a through groove (13) is formed in the rear side wall of the holding plate (24), die feet (30) are arranged below the movable die plate (22), a lower ejector retainer plate (31) and an upper ejector retainer, an oil cylinder rod (38) of the ejection oil cylinder (37) is connected with a lower ejector plate (31), a base plate (33) is installed under a mold foot, a hot runner frame (34) is arranged in the base plate, a hot nozzle (35) is connected onto the hot runner frame, the hot nozzle extends into a movable mold plate (22) to be communicated with a mold cavity, a sprue plate (36) is installed under the base plate (33), a sprue (39) is arranged in the sprue plate, the sprue (39) is connected with the hot runner frame (34), an inclined slide seat (40) is arranged on an upper ejector plate (32), an inclined ejector rod (41) is connected onto the inclined slide seat and extends into the movable mold plate, an inclined ejector block (42) is arranged at the head of the inclined ejector rod, a threaded core block (43) is arranged on the inclined ejector block (42), and the threaded core block (43) is matched with a thread (.

3. The integrated connection thread processing mold of the sectional sofa according to claim 2, wherein the core-pulling mechanism comprises a core-pulling guide base (26) connected to the outer wall of the movable mold plate (22), a guide groove (27) is formed in the core-pulling guide base, the core-pulling slide (25) is matched with the guide groove (27), a core-pulling oil cylinder (28) is arranged at the outer end of the core-pulling guide base (26), a core-pulling rod (29) is connected to the core-pulling oil cylinder (28), and the core-pulling rod (29) is connected to the core-pulling slide (25).