CN115680437A - Composite reinforced large frame, solid door and spliced door - Google Patents

Abstract

The invention discloses a composite reinforced large frame, a solid door and a spliced door, which comprise a front plate and a rear plate; the front plate and the rear plate are fixedly connected by adopting a bending gluing process to form a supporting structure with the periphery closed; the glued front plate is a decorative surface or a lighting surface and is connected with decorative accessories or lighting accessories; the rear plate is a hinge fixing surface, is connected with a hinge and is fixedly connected with the door leaf; the front plate and the rear plate are provided with two welding positions, and a buffer space is reserved between the front plate and the rear plate after welding; and a filler is arranged in the buffer space. The strength of stress points of the door frame is increased, the door frame is integrally firm, and the problems that the door frame does not deform and the door leaf does not droop are solved.

Description

Composite reinforced large frame, solid door and spliced door

Technical Field

The invention relates to the field of door structures, in particular to a composite reinforced large frame, a solid door and a spliced door.

Background

The door frame is an inner door frame and an outer door frame of the door, and mainly has the functions of fixing door leaves, protecting wall corners, decorating and the like. Is commonly used in decoration and fitment processes to protect doors from scratching, corrosion, breakage, dirt, etc.

CN2835497Y discloses a combined type door frame with a steel structure, which is characterized by mainly comprising two parts, namely a main vertical frame and an auxiliary vertical frame, wherein the main vertical frame is provided with a first positioning groove and a second positioning groove; the auxiliary vertical frame is provided with a first positioning tenon and a second positioning tenon which are respectively spliced with the first positioning groove and the second positioning groove to position and connect the main vertical frame and the auxiliary vertical frame; the upper end of the auxiliary vertical frame is provided with a door stop line. The structure of this prior art is complicated, and manufacturing cost is higher, is not suitable for marketing.

CN 216305717U discloses a combined aluminum alloy door frame, which designs a traditional door frame with an integrated structure into a plurality of components, wherein the components comprise an outer frame, an inner frame and a side wall, the side wall is formed by combining a plurality of single bodies, the single bodies can be cut and assembled according to actual installation, each single body is provided with a convex end and a groove end, and the convex end is clamped into the groove end, so that the combined aluminum alloy door frame can adapt to door walls with different widths; in addition, the outer frame and the inner frame are respectively composed of a transverse edge, a left side plate and a right side plate, and all the structures can be disassembled and assembled. The phenomena of frame deformation, door leaf droop, difficult opening and closing, locking failure and the like are easy to occur in the using process after the installation.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide the composite reinforced large frame, the solid door and the spliced door, so that the strength of stress points of the door frame is increased, the door frame is integrally firm, and the problems of no deformation of the door frame, no droop of a door leaf and the like are solved.

In order to realize the purpose, the invention adopts the following technical scheme:

the composite reinforced large frame comprises a front plate and a rear plate; the front plate and the rear plate are fixedly connected by adopting a bending gluing process to form a supporting structure with closed periphery; the glued front plate is a decorative surface or a lighting surface and is connected with decorative accessories or lighting accessories; the rear plate is a hinge fixing surface, is connected with a hinge and is fixedly connected with the door leaf; the front plate and the rear plate are provided with two welding positions, and a buffer space is reserved between the front plate and the rear plate after welding; and a filler is arranged in the buffer space.

Optionally, the left side and the right side of the front plate are respectively and inwardly protruded with a section of first connecting part which is parallel to each other; the left side and the right side of the rear plate are respectively protruded outwards with a section of second connecting part which is parallel to each other; the first connecting part is fixedly connected with the second connecting part; the left side of the rear plate is fixedly connected with the right side of the wall body, and the right side of the rear plate is fixed with the hinge and connected with the door leaf; the first connecting portion is attached to the front side of the wall body.

Optionally, the middle part of the front plate protrudes towards the direction of the rear plate, the protruding part is in the shape of an isosceles trapezoid, a decorative frame groove is formed outside, the decorative fittings are fixedly connected in the decorative frame groove, and the decorative fittings comprise roman columns and door flowers; the middle part of the rear plate protrudes towards the front plate, and the protruding part is rectangular and forms a rectangular frame groove outside.

Optionally, the front plate and the rear plate have the same thickness; the length of the molded front plate is 420mm, the width of the left side is 30mm, and the width of the right side is 100mm; the length of the molded rear plate is slightly smaller than 420mm, the width of the left side is 170mm, and the width of the right side is 100mm; the total width of the front plate and the rear plate after being fixedly connected is 200mm, and the total length is 420mm; the length of the top surface of the decorative frame groove is 220mm, the length of the bottom surface of the decorative frame groove is 250mm, and the included angle between the two side surfaces and the top surface is 117 degrees; the length of the rectangular frame groove is 180mm, and the width of the rectangular frame groove is 20mm; the first connecting part is parallel to the front part of the front plate; the second connecting portion is parallel to the front portion of the rear plate and the first connecting portion.

Optionally, the filler is a honeycomb-shaped aluminum foil or polyurethane foam.

Optionally, a sealing strip is pasted between the door leaf and the first connecting portion on the right side of the front plate, and double-sided tapes are arranged on two sides of the sealing strip.

Optionally, the front plate comprises a wall body side front plate, a transverse front plate and a hinge side front plate which are sequentially connected from left to right; the rear plate comprises a wall side back plate, a transverse back plate and a hinge side back plate which are sequentially connected from left to right; the wall body side front plate is fixedly connected with the wall body side back plate; the hinge side front plate is fixedly connected with the hinge side back plate; the transverse positive plate comprises an upper transverse positive plate, a middle transverse positive plate and a lower transverse positive plate which are sequentially connected from top to bottom; a first door column window is arranged between the upper transverse positive plate and the middle transverse positive plate; a second door pillar window is arranged between the middle transverse positive plate and the lower transverse positive plate; the transverse back plate comprises an upper transverse back plate, a middle transverse back plate and a lower transverse back plate which are sequentially connected from top to bottom; the upper transverse back plate corresponds to the upper transverse front plate in position and structure, the middle transverse back plate corresponds to the middle transverse front plate in position and structure, and the lower transverse back plate corresponds to the lower transverse front plate in position and structure.

Optionally, a first glass and a first glass pressing frame which correspond in size are arranged in the first door column window, and the first glass pressing frame fixes the first glass on the edge of the first door column window; a second glass and a second glass pressing frame which correspond to the second door column window in size are arranged in the second door column window, and the second glass pressing frame fixes the second glass on the edge of the second door column window; the first door column window and the second door column window are both cuboid in shape.

A solid door comprises two solid composite reinforced large frames which are symmetrical in a left-right axis manner, a door head, an upper frame, a middle frame, a left door leaf, a right door leaf and a lower frame; the composite reinforced large frame on the left side is fixedly connected with the wall body on the left side; the composite reinforced large frame on the right side is fixedly connected with the wall body on the right side; the door head is fixed on the tops of the two composite reinforced large frames; the upper frame is fixed at the bottom of the door head and positioned between the two composite reinforced large frames; an upper beam is fixed at the bottom of the upper frame, and an upper Liang Menhua is arranged on the outer side of the upper beam; a middle frame is fixed at the bottom of the upper beam; the left door leaf and the right door leaf are both positioned below the middle frame; the left door leaf is movably connected with the composite reinforced large frame on the left side; the right door leaf is movably connected with the composite reinforced large frame on the right side; the lower frame is positioned below the left door leaf and the right door leaf and fixedly connected with the ground and the composite reinforced large frames on the left side and the right side.

A spliced door comprises two spliced composite reinforced large frames which are symmetrical in a left-right axis manner, a door head, an upper frame, a middle frame, a left door leaf, a right door leaf and a lower frame; the composite reinforced large frame on the left side is fixedly connected with the wall body on the left side; the composite reinforced large frame on the right side is fixedly connected with the wall body on the right side; the door head is fixed on the tops of the two composite reinforced large frames; the upper frame is fixed at the bottom of the door head and positioned between the two composite reinforced large frames; an upper beam is fixed at the bottom of the upper frame, and an upper Liang Menhua is arranged on the outer side of the upper beam; a middle frame is fixed at the bottom of the upper beam; the left door leaf and the right door leaf are both positioned below the middle frame; the left door leaf is movably connected with the composite reinforced large frame on the left side; the right door leaf is movably connected with the composite reinforced large frame on the right side; a first door leaf window is arranged in the middle of the left door leaf, third glass and a third glass pressing frame which correspond in size are arranged in the first door leaf window, and the third glass pressing frame fixes the third glass on the edge of the first door leaf window; a second door leaf window is arranged in the middle of the right door leaf, a fourth glass and a fourth glass pressing frame which correspond in size are arranged in the second door leaf window, and the fourth glass pressing frame fixes the fourth glass on the edge of the second door leaf window; the lower frame is located below the left door leaf and the right door leaf and fixedly connected with the ground and the composite reinforced large frames on the left side and the right side.

The door frame is the transition layer between wall body and the door, plays a fixed door leaf and prevents the effect that the wall body collapses on every side, because the shape of the panel of door is diversified, so the door frame material selects for use the material or the structure that plasticity is strong and intensity is high usually.

Various anti-theft safety doors sold in the market have the cross section in an open structural shape no matter how the frame body assembly is shaped, and have the following defects:

1. the frame assembly is not rigid.

2. When the frame body assembly is molded, the molding size is inaccurate due to the influence of material rebound factors.

3. The frame body assembly joints are mostly welded, and welding traces exist at the joints, so that the overall appearance effect of the frame is influenced.

4. The rigidity and the strength of the combined frame body are not very ideal, and the integral anti-prying pressure is not very strong.

5. When open frame body installation, inside needs to be filled cement, and the heat preservation effect is unsatisfactory, if fill improper in addition, easily because of the cement swelling causes the local deformation of frame body, influences the result of use of theftproof emergency exit.

6. The processing technology is complicated when the frame body is combined.

The nonstandard door frame adopts a single door frame (see attached figure 1 in the specification), is formed by bending, assembling and welding through a bending machine, has large deformation in the processing process, difficult guarantee of straightness, small strength, deformation of a frame body, drooping of a door leaf, difficult opening and closing, no locking and the like in the use process after installation, and is easy to install and install.

The decorative frame and the hinge fixing frame in the market are of a split structure (see the attached figure 2 in the specification), the frame body and the buckling edges need to be manufactured separately, and need to be installed one by one during installation.

In order to meet the requirements of the market and customers, return to the due essence of the non-standard entrance door and pay more attention to the long-term service performance of the door, the composite reinforced large frame is specially developed to solve the problems, reduce the material cost and the production cost and meet the requirements of the customers and the market.

The invention has the following positive beneficial effects:

1) The door vertical frame adopts a front plate and rear plate bending and gluing process, and a door column body is formed after gluing, so that the strength of a stress point of the door frame is increased, the door frame is integrally firm, and the problems that the door frame does not deform and the door leaf does not droop are solved.

2) The front plate of the glued rear door column body is a decorative surface which can be matched with decorations such as a door column and a door flower, and the rear plate is a hinge fixing surface and is fixedly connected with a door leaf, so that the integration of a decorative frame and a hinge fixing frame is realized.

3) The unique design of the decorative frame not only keeps the appearance integrity, but also solves the difficult problem of split installation and reduces the material and production cost.

4) The design of hidden knot limit, it is integrative to detain limit and decorative cover and combine together, can with the wall body perfect adaptation, has solved the difficult problem of follow-up gluing.

5) The doorpost can be used as an entity and can also be used for splicing and lighting, so that the requirements of different customers are met.

Drawings

FIG. 1 is a schematic top cross-sectional view of an exemplary one-piece door frame provided by the present invention;

FIG. 2 is a schematic top cross-sectional view of an exemplary unitary doorframe and escutcheon assembly provided by the present invention;

FIG. 3 is a schematic top cross-sectional view of a front and back panel of a physical door provided in embodiment 1 of the present invention;

FIG. 4 is a schematic top cross-sectional view of a composite reinforced large frame provided in embodiment 1 of the present invention;

FIG. 5 is a schematic top sectional view of a composite reinforced large frame provided in embodiment 1 of the present invention;

fig. 6 is a schematic front view of a physical door provided in embodiment 1 of the present invention;

FIG. 7 is a schematic top cross-sectional view of a physical door provided in accordance with embodiment 1 of the present invention;

FIG. 8 is an enlarged schematic view of circle A of FIG. 7 in accordance with the present invention;

FIG. 9 is an enlarged schematic view of circle B of FIG. 7 in accordance with the present invention;

FIG. 10 is a schematic top cross-sectional view of a front and back panel of a sectional door provided in accordance with example 2 of the present invention;

fig. 11 is a schematic front view of a splicing door provided in embodiment 2 of the present invention;

FIG. 12 is a schematic top cross-sectional view of a sectional tiled door provided in embodiment 2 of the present invention;

fig. 13 is an enlarged view of circle C of fig. 12 in accordance with the present invention.

1. A front plate; 2. a back plate; 3. a filler; 4. a first connection portion; 5. a second connecting portion; 6. a hinge; 7. a wall body; 8. a decorative frame groove; 9. a Roman pole; 10. a door post and window decoration; 11. a door leaf and a window decoration; 12. a rectangular frame slot; 13. a sealing strip; 14. a wall body side front plate; 15. a transverse correction plate; 151. an upper transverse positive plate; 152. a middle horizontal front plate; 153. a lower transverse front plate; 16. a hinge side front plate; 17. a wall side back panel; 18. a transverse back plate; 19. a hinge side back plate; 20. a first door pillar window; 21. a second door pillar window; 22. a first glass; 23. a first glass press frame; 24. a second glass; 25. pressing the second glass frame; 26. a door head; 27. putting the frame on; 28. a middle frame; 29. a left door leaf; 30. a right door leaf; 31. a lower frame; 32. an upper beam; 33. upper Liang Menhua; 34. a first door leaf and a first window leaf; 35. a second door sash window; 36. a third glass; 37. a third glass press frame; 38. a fourth glass; 39. a fourth glass press frame; 41. a lighting window; 42. buckling edges; 43. a handle; 44. a door slot.

Detailed Description

The invention will be further illustrated with reference to some specific embodiments.

Example 1

As shown in fig. 3 to 9, a composite reinforced large frame includes a front plate 1 and a rear plate 2; the front plate 1 and the rear plate 2 are fixedly connected by adopting a bending gluing process to form a supporting structure with closed periphery; the glued front plate 1 is a decorative surface or a lighting surface and is connected with decorative accessories or lighting accessories; the rear plate 2 is a hinge 6 fixing surface, is connected with the hinge 6 and is fixedly connected with the door leaf; the front plate 1 and the rear plate 2 are provided with two welding positions, and a buffer space is reserved between the front plate 1 and the rear plate 2 after welding; and a filler 3 is arranged in the buffer space.

The door frame adopts the front plate 1 and the rear plate 2 to bend and glue the process, the gluing is not needed, the door post body is formed after gluing, the strength of the stress point of the door frame is increased, the door frame is integrally firm, and the problems that the door frame does not move and the door leaf does not droop are guaranteed. The front plate 1 of the glued rear door column body is a decorative surface and can be matched with decorations such as a door column and a door flower, and the rear plate 2 is a hinge 6 fixing surface and is fixedly connected with a door leaf, so that the integration of a decorative frame and a hinge 6 fixing frame is realized. The unique design of the decorative frame not only keeps the appearance integrity, but also solves the difficult problem of split installation and reduces the material and production cost.

The left side and the right side of the front plate 1 are respectively and inwardly protruded with a section of first connecting part 4 which are parallel to each other; the left side and the right side of the rear plate 2 are respectively protruded with a section of second connecting part 5 which are parallel to each other; the first connecting part 4 is fixedly connected with the second connecting part 5; the left side of the rear plate 2 is fixedly connected with the right side of a wall 7, and the right side of the rear plate 2 is fixed with the hinge 6 and connected with a door leaf; the first connecting part 4 is attached to the front side of the wall 7. Referring to fig. 8, a sealing strip 13 is adhered between the door leaf and the right first connecting portion 4 of the front plate 1, and both surfaces of the sealing strip 13 are provided with double-sided adhesive tapes. The matching of the first connecting part 4 and the second connecting part 5 can not only improve the structural strength of the large frame, but also hide the welding point between the front plate 1 and the rear plate 2, and the left welding point is hidden by a buckling edge 42 formed by the left part of the front plate 1 and the second connecting part 5 of the left part of the rear plate 2; the right welding point is hidden by the door leaf and the sealing strip 13; the composite reinforced large frame is formed into a whole when seen from the outside, and is beautiful and solid.

Referring to fig. 4, the middle portion of the front board 1 protrudes toward the rear board 2, the protruding portion is shaped like an isosceles trapezoid, a decorative frame groove 8 is formed outside, and the decorative fittings are fixedly connected in the decorative frame groove 8, and the decorative fittings include a roman column 9 and a door flower; the decoration accessories are usually welded inside the decoration frame groove 8 and change with the change of the door type. The middle part of the back plate 2 protrudes towards the front plate 1, and the protruding part is rectangular and forms a rectangular frame groove 12. Corresponding decorative accessories can also be arranged in the rectangular frame groove 12. The buffer space formed by the method is similar to a rectangular irregular shape, so that the front plate 1 and the rear plate 2 are high in overall strength and not prone to deformation, one sides, close to the ground, of the front plate 1 and the rear plate 2 are fixedly provided with plugs, and the shape of each plug is consistent with the shape of a horizontal cross section of the front plate 2 and the rear plate 2 after welding matching; the filler 3 in the buffer space is honeycomb aluminum foil or polyurethane foam, and the use effect of the composite reinforced large frame can be improved. The honeycomb aluminum foil has good effect, and has the advantages of high strength, no deformation, good gluing flatness, moisture resistance and corrosion resistance.

Specifically, referring to fig. 5, the thicknesses of the front plate 1 and the rear plate 2 are equal; the length of the molded front plate 1 is 420mm, the width of the left side is 30mm, and the width of the right side is 100mm; the length of the molded rear plate 2 is slightly less than 420mm, the width of the left side is 170mm, and the width of the right side is 100mm; the total width of the front plate 1 and the rear plate 2 after being fixedly connected is 200mm, and the total length is 420mm; the length of the top surface of the decorative frame groove 8 is 220mm, the length of the bottom surface is 250mm, and the included angle between the two side surfaces and the top surface is 117 degrees; the length of the rectangular frame groove 12 is 180mm, and the width of the rectangular frame groove is 20mm; the specific size of the structure is determined by the entrance and exit of the installation point and the door type, but the size proportion of each part is basically kept unchanged, the size proportion can improve the overall structural strength and the aesthetic degree of the door body and the door frame, and the use experience of a user is improved; the first connection portion 4 is parallel to the front of the front plate 1; the second connection portion 5 is parallel to the front portion of the rear plate 2 and the first connection portion 4; the integral structural strength and the seamless and beautiful appearance of the composite reinforced large frame can be further improved.

The solid door comprises two composite reinforced large frames which are symmetrical in a left-right axis manner, a door head 26, an upper frame 27, a middle frame 28, a left door leaf 29, a right door leaf 30 and a lower frame 31; the composite reinforced large frame on the left side is fixedly connected with a left wall 7; the right composite reinforced large frame is fixedly connected with the right wall 7; the door head 26 is fixed on the top of the two composite reinforced large frames; the upper frame 27 is fixed at the bottom of the door head 26 and positioned between the two composite reinforced large frames; the bottom of the upper frame 27 is provided with a lighting window 41, a criss-cross upper beam 32 is fixed in the lighting window 41, the outer side of the intersection of the upper beam 32 is provided with an upper Liang Menhua, the front side and the rear side of the lighting window 41 are provided with glass with corresponding sizes, the glass is fixed by a pressing frame, and the glass can also be arranged to be lighttight; the bottom of the upper beam 32 is fixed with a middle frame 28; the left door leaf 29 and the right door leaf 30 are both located below the middle frame 28; the left door leaf 29 is movably connected with the composite reinforced large frame on the left side; the right door leaf 30 is movably connected with the right composite reinforced large frame; the lower frame 31 is located below the left door leaf 29 and the right door leaf 30, and the lower frame 31 is fixedly connected with the ground and the composite reinforced large frames on the left side and the right side. The strength of stress points of the door frame is increased, the door frame is integrally firm, and the door frame is ensured not to be deformed and the door leaf is ensured not to droop. The right side of the left door leaf 29 and the left side of the right door leaf 30 are both provided with door handles 43 with sizes and positions corresponding to each other, and the right door leaf 30 is also provided with a door lock; a plurality of door slots 44 are uniformly arranged on the outer surfaces of the left door leaf 29 and the right door leaf 30, and the door slots 44 are square.

Specifically, referring to FIG. 9, the door handle 43 is 100cm-120cm from the ground; the thickness of the left door leaf 29 and the thickness of the right door leaf 30 are both about half of the width of the composite reinforced large frame and are 90mm-100mm; the distance from the center of the handle 43 of the left door leaf 29 to the right side of the left door leaf 29 is 60mm, the distance from the locking tooth at the rightmost side of the left door leaf 29 is 80mm, and the distance between the locking tooth and the right door leaf 30 is 4mm. The distance from the center of the handle 43 of the right door leaf 30 to the left side of the right door leaf 30 is 60mm, the distance from the center of the handle 43 of the right door leaf 30 to the lock tooth at the leftmost side of the right door leaf 30 is 80mm, and the distance between the lock tooth and the left door leaf 29 is 4mm; the distance between the center of the handle 43 of the left door leaf 29 and the center of the handle 43 of the right door leaf 30 is 128mm.

The manufacturing steps of the entity door are as follows:

s1: manufacture of front plate, rear plate and accessories

Manufacturing a front plate: 1. selecting materials, namely selecting a zinc-iron alloy plate; 2. opening flatly; 3. blanking; 4. bending; 5. press groove and slope.

Manufacturing a rear plate: 1. selecting materials, namely selecting a zinc-iron alloy plate; 2. opening flatly; 3. blanking; 4. the punching hole comprises a hinge hole and a mounting hole; 5. and (6) bending.

Manufacturing accessories:

1. plugging: 1) Blanking; 2) Punching; 3) Standby;

2. aluminum foil honeycomb filler hooking: 1) Blanking; 2) Bending; welding the inner side of the plug;

3. column decoration accessories: 1) Blanking; 2) Punching; 3) Assembling and welding; 4) And (5) forming for later use.

S2: gluing of doorposts

1. Selecting a front plate; 2. welding and plugging; 3. foaming glue is sprayed on the inner side of the front plate; 4. stretching and expanding the honeycomb aluminum foil; 5. fixing the aluminum foil; 6. selecting a rear plate; 7. spraying foaming glue on the rear plate; 8. combining a front plate and a rear plate; 9. welding the lap joint (the first connecting part and the second connecting part); 10. putting the mixture into a table top of a hot-pressing gluing machine; 11. limiting; 12. carrying out static pressure; 13. and (5) finishing column gluing.

S3: processing of upper, middle and lower frames (synchronous processing with front and rear plates)

1. Zinc-iron alloy plate material (material selection); 2. opening flatly; 3. blanking; 4. punching (locking jack and plug pin hole); 5. cutting corners; 6. bending; 7. and finishing the processing of the semi-finished product.

S4: door leaf processing

1. Selecting materials; 2. blanking; 3. cutting corners; 4. punching holes (a lock hole, a hand hanging hole, a bolt hole and a hinge hole); 5. bending; 6. welding small pieces (hinge lining plate, lock lining plate, bolt lining plate, lock box and plug); 7. phosphorization; 8. gluing (the same door frame glue gluing sequence); 9. and (5) standby.

S5: door head processing

1. Selecting materials; 2. opening flatly; 3. blanking; 4. pressing the arc; 5. bending; 6. cutting a bevel angle of 45 degrees; 7. selecting a door head small part; 8. assembling and welding; 9. polishing; 10. and finishing standby.

S6: integral portal assembly welding

1. Selecting a left composite reinforced large frame (door pillar body) which is well glued; 2. selecting a right composite reinforced large frame (a door column) which is well glued; 3. selecting an upper frame, a middle frame and a lower frame; 4. connecting, assembling and welding the upper frame, the middle frame and the lower frame with the left large frame column and the right large frame column in sequence; 5. assembling and welding the molded door head; 6. assembling and welding door flower accessories matched with the decorative surface of the door post body; 7. and finishing the whole portal processing.

S7: subsequent operation

1. The integral door frame is processed and polished; 2. processing and polishing the door leaf; 3. spraying; 4. assembling; 5. adjusting the door leaf and the door frame; 6. checking and accepting; 7. and (7) warehousing.

Example 2

Referring to fig. 10 to 13, different from embodiment 1, the composite reinforced large frame structure is a splicing type, and a plurality of pieces of glass can be installed according to different needs to improve the lighting effect, and lighting accessories include a door post window, glass and a glass pressing frame; the glass comprises tempered glass. The front plate 1 of the spliced composite reinforced large frame comprises a wall side positive plate 14, a transverse positive plate 15 and a hinge side positive plate 16 which are sequentially connected from left to right; the back plate 2 comprises a wall side back plate 17, a transverse back plate 18 and a hinge side back plate 19 which are sequentially connected from left to right; the wall body side front plate 14 is fixedly connected with the wall body side back plate 17; the hinge side front plate 16 is fixedly connected with the hinge side back plate 19; the transverse positive plate 15 comprises an upper transverse positive plate 151, a middle transverse positive plate 152 and a lower transverse positive plate 153 which are connected in sequence from top to bottom; a first door column window 20 is arranged between the upper transverse positive plate 151 and the middle transverse positive plate 152; a second door column window 21 is arranged between the middle transverse positive plate 152 and the lower transverse positive plate 153; the first door column window 20 and the second door column window 21 are internally fixed with door column window moldings 10. The transverse back plate 18 comprises an upper transverse back plate 18, a middle transverse back plate 18 and a lower transverse back plate 18 which are connected in sequence from top to bottom; the upper transverse back plate 18 corresponds to the upper transverse front plate 151 in position and structure, the middle transverse back plate 18 corresponds to the middle transverse front plate 152 in position and structure, and the lower transverse back plate 18 corresponds to the lower transverse front plate 153 in position and structure.

Wall side back plate 17 and hinge side back plate 19 both need to be punched with holes, such as hinge 6 hole and mounting hole, and wall side back plate 17 and wall 7 are fixedly connected, and are fixed left and right by using conduit or expansion bolts. Or an open-mounted fixing mode can be adopted, the door post is welded on the fixing plate, and the door post is fixed with the wall body 7 by using the internal expansion screw.

Referring to fig. 11, a first glass 22 and a first glass pressing frame 23 with corresponding sizes are disposed in the first door column window 20, and the first glass pressing frame 23 fixes the first glass 22 at the edge of the first door column window 20; a second glass 24 and a second glass pressing frame 25 with the size corresponding to the second door pillar window 21 are arranged in the second door pillar window 21, and the second glass 24 is fixed on the edge of the second door pillar window 21 by the second glass pressing frame 25. The first door post window 20 and the second door post window 21 are both rectangular solids.

The spliced door comprises two spliced composite reinforced large frames which are symmetrical in a left-right axis manner, a door head 26, an upper frame 27, a middle frame 28, a left door leaf 29, a right door leaf 30 and a lower frame 31; the composite reinforced large frame on the left side is fixedly connected with a left wall 7; the composite reinforced large frame on the right side is fixedly connected with the right side wall body 7; the door head 26 is fixed on the top of the two composite reinforced large frames; the upper frame 27 is fixed at the bottom of the door head 26 and positioned between the two composite reinforced large frames; an upper beam 32 is fixed at the bottom of the upper frame 27, and an upper Liang Menhua is arranged on the outer side of the upper beam 32; the bottom of the upper beam 32 is fixed with a middle frame 28; the left door leaf 29 and the right door leaf 30 are both located below the middle frame 28; the left door leaf 29 is movably connected with the composite reinforced large frame on the left side; the right door leaf 30 is movably connected with the right composite reinforced large frame; a first door leaf window 34 is arranged in the middle of the left door leaf 29, a third glass 36 and a third glass pressing frame 37 which correspond to each other in size are arranged in the first door leaf window 34, and the third glass 36 is fixed at the edge of the first door leaf window 34 by the third glass pressing frame 37; a second door leaf window 35 is arranged in the middle of the right door leaf 30, a fourth glass 38 and a fourth glass pressing frame 39 which correspond in size are arranged in the second door leaf window 35, and the fourth glass 38 is fixed at the edge of the second door leaf window 35 by the fourth glass pressing frame 39; the lower frame 31 is located below the left door leaf 29 and the right door leaf 30, and the lower frame 31 is fixedly connected with the ground and the composite reinforced large frames on the left side and the right side. The door leaf window patterns 11 are fixed in the first door leaf window 34 and the second door leaf window 35; the whole door frame is firm, the door frame is guaranteed not to be deformed, the door leaf does not droop, the light transmittance is good, the first glass 22, the second glass 24, the third glass 36 and the fourth glass 38 are all tempered glass, the structural strength is high, and the door frame is suitable for requirements of partial users.

Referring to fig. 13, a sealing strip 13 is adhered between the left door leaf 29 and the first connecting portion 4 of the hinge side front plate 16, and double-sided tapes are arranged on two sides of the sealing strip 13, so that a welding point is hidden, and the sealing performance and the integrity of the door are improved.

The manufacturing steps of the spliced door are as follows:

s1: sheet metal working

Manufacturing a wall side front plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. and (6) bending.

Manufacturing a wall side back plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. punching; 5. and (6) bending.

Manufacturing a hinge side positive plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. and (6) bending.

Manufacturing a hinge side back plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. punching (hinge hole, mounting hole); 4. and (6) bending.

Manufacturing a transverse correction plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. cutting corners; 5. and (6) bending.

Manufacturing a transverse back plate: 1. selecting materials (zinc alloy plates); 2. opening flatly; 3. blanking; 4. cutting corners; 5. and (6) bending.

S2, processing accessories

1. Plugging: 1) Blanking; 2) Punching; 3) Standby;

2. aluminum foil honeycomb filler hooking: 1) Blanking; 2) Bending; welding the inner side of the plug;

3. column decoration accessories: 1) Blanking; 2) Punching; 3) Assembling and welding; 4) And (5) forming for later use.

S3, assembling and welding the columns

1. Connecting, assembling and welding the upper, middle and lower transverse front plates with the wall side front plate and the hinge side front plate in sequence; 2. assembling and welding to form a column front plate;

2. connecting, assembling and welding the upper, middle and lower transverse back plates with the wall side back plate and the hinge side back plate in sequence; 2. and assembling and welding to form the column back plate.

S4, gluing

1. Selecting a column front plate; 2. welding a plug (hinge lining plate hook); 3. foaming glue is sprayed on the inner side of the front plate; 4. expanding the honeycomb aluminum foil cylinder; 5. fixing the honeycomb aluminum foil; 6. selecting a column back plate; 7. foaming glue is sprayed on the inner side of the rear plate; 8. the front plate and the rear plate are combined; 9. welding the lap joint; 10. putting the mixture into a table top of a hot-pressing gluing machine; 11. limiting; 12. carrying out static pressure; 13. the column body is glued; 14. welding a connecting plate; 15. and welding the glass pressing frame.

S5, processing of upper frame, middle frame and lower frame

1. Zinc-iron alloy plate material (material selection); 2. opening flatly; 3. blanking; 4. punching holes (a lock fork hole and a bolt hole); 5. cutting corners; 6. bending; 7. and finishing the processing of the semi-finished product.

S6, door leaf processing

1. Selecting materials; 2. blanking; 3. cutting corners; 4. punching holes (a lock hole, a hand hanging hole, a bolt hole and a hinge hole); 5. bending; 6. welding small pieces (hinge lining plate, lock lining plate, bolt lining plate, lock box and plug); 7. phosphorization; 8. gluing (the same door frame glue gluing sequence); 9. and welding the glass pressing frame.

S7: door head processing

1. Selecting materials; 2. opening flatly; 3. blanking; 4. pressing the arc; 5. bending; 6. cutting a bevel angle of 45 degrees; 7. selecting a small door head part; 8. assembling and welding; 9. polishing; 10. and finishing standby.

S8: integral portal assembly welding

1. Selecting a left large frame (a door column body) which is well glued; 2. selecting a glued right large frame (a door column body); 3. selecting an upper frame, a middle frame and a lower frame; 4. connecting, assembling and welding the upper frame, the middle frame and the lower frame with the left large frame column and the right large frame column in sequence; 5. assembling and welding the molded door head; 6. and finishing the whole gantry machining.

S9: subsequent operation

1. The integral door frame is processed and polished; 2. processing and polishing the door leaf; 3. spraying; 4. assembly (door flower, glass, lock and other fittings assembly); 5. adjusting the door leaf and the door frame; 6. checking and accepting; 7. and (7) warehousing. Wherein assembling the door flower and the glass comprises the steps of: selecting the door flower and selecting the toughened glass, firstly attaching the toughened glass to the glass pressing frame, placing the door flower, then placing the glass pressing frame to press the door flower, and gluing to finish fixing.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The composite reinforced large frame is characterized by comprising a front plate and a rear plate; the front plate and the rear plate are fixedly connected by adopting a bending gluing process to form a supporting structure with the periphery closed; the glued front plate is a decorative surface or a lighting surface and is connected with decorative accessories or lighting accessories; the rear plate is a hinge fixing surface, is connected with a hinge and is fixedly connected with the door leaf; the front plate and the rear plate are provided with two welding positions, and a buffer space is reserved between the front plate and the rear plate after welding; and a filler is arranged in the buffer space.

2. The composite reinforced large frame as claimed in claim 1, wherein the left and right sides of the front plate are respectively protruded inward by a section of first connecting portion parallel to each other; the left side and the right side of the rear plate are respectively protruded outwards with a section of second connecting part which is parallel to each other; the first connecting part is fixedly connected with the second connecting part; the left side of the rear plate is fixedly connected with the right side of the wall body, and the right side of the rear plate is fixed with the hinge and connected with the door leaf; the first connecting portion is attached to the front side of the wall body.

3. The composite reinforced large frame as claimed in claim 2, wherein the middle part of the front plate is protruded towards the direction of the rear plate, the protruded part is shaped like an isosceles trapezoid to form a decorative frame groove outside, the decorative frame groove is fixedly connected with the decorative fittings, and the decorative fittings comprise roman columns and door flowers; the middle part of the rear plate protrudes towards the front plate, and the protruding part is rectangular and forms a rectangular frame groove outside.

4. The composite reinforced large frame as defined in claim 3, wherein said front plate and said rear plate have equal thickness; the length of the molded front plate is 420mm, the width of the left side of the molded front plate is 30mm, and the width of the right side of the molded front plate is 100mm; the length of the molded rear plate is slightly smaller than 420mm, the width of the left side is 170mm, and the width of the right side is 100mm; the total width of the front plate and the rear plate after being fixedly connected is 200mm, and the total length is 420mm; the length of the top surface of the decorative frame groove is 220mm, the length of the bottom surface of the decorative frame groove is 250mm, and the included angle between the two side surfaces and the top surface is 117 degrees; the length of the rectangular frame groove is 180mm, and the width of the rectangular frame groove is 20mm; the first connecting part is parallel to the front part of the front plate; the second connecting portion is parallel to the front portion of the rear plate and the first connecting portion.

5. The composite reinforced large frame of claim 1, wherein the filler is a honeycomb aluminum foil or polyurethane foam.

6. The composite reinforced large frame as claimed in claim 2, wherein a sealing strip is adhered between the door leaf and the first right connecting portion of the front panel, and double-sided tapes are disposed on both sides of the sealing strip.

7. The composite reinforced large frame as claimed in claim 2, wherein the front panel comprises a wall side front panel, a transverse front panel and a hinge side front panel which are connected in sequence from left to right; the rear plate comprises a wall side back plate, a transverse back plate and a hinge side back plate which are sequentially connected from left to right; the wall body side front plate is fixedly connected with the wall body side back plate; the hinge side front plate is fixedly connected with the hinge side back plate; the transverse positive plate comprises an upper transverse positive plate, a middle transverse positive plate and a lower transverse positive plate which are sequentially connected from top to bottom; a first door column window is arranged between the upper transverse positive plate and the middle transverse positive plate; a second door pillar window is arranged between the middle transverse positive plate and the lower transverse positive plate; the transverse back plate comprises an upper transverse back plate, a middle transverse back plate and a lower transverse back plate which are sequentially connected from top to bottom; the upper transverse back plate corresponds to the upper transverse front plate in position and structure, the middle transverse back plate corresponds to the middle transverse front plate in position and structure, and the lower transverse back plate corresponds to the lower transverse front plate in position and structure.

8. The composite reinforced large frame of claim 7, wherein the first door column window has a first glass and a first glass press frame disposed therein, the first glass press frame securing the first glass to the first door column window edge; a second glass and a second glass pressing frame which correspond to the second door column window in size are arranged in the second door column window, and the second glass pressing frame fixes the second glass on the edge of the second door column window; the first door column window and the second door column window are both cuboid in shape.

9. A solid door, characterized in that, comprises two composite reinforced big frames, a door head, an upper frame, a middle frame, a left door leaf, a right door leaf and a lower frame which are symmetrical with each other in a left-right axis way and are as defined in any one of claims 1 to 6; the composite reinforced large frame on the left side is fixedly connected with the wall body on the left side; the composite reinforced large frame on the right side is fixedly connected with the wall body on the right side; the door head is fixed on the tops of the two composite reinforced large frames; the upper frame is fixed at the bottom of the door head and positioned between the two composite reinforced large frames; an upper beam is fixed at the bottom of the upper frame, and an upper Liang Menhua is arranged on the outer side of the upper beam; a middle frame is fixed at the bottom of the upper beam; the left door leaf and the right door leaf are both positioned below the middle frame; the left door leaf is movably connected with the composite reinforced large frame on the left side; the right door leaf is movably connected with the composite reinforced large frame on the right side; the lower frame is positioned below the left door leaf and the right door leaf and fixedly connected with the ground and the composite reinforced large frames on the left side and the right side.

10. A spliced door, which is characterized by comprising two composite reinforced large frames, a door head, an upper frame, a middle frame, a left door leaf, a right door leaf and a lower frame, which are in bilateral axial symmetry and are as described in any one of claims 7 to 8; the composite reinforced large frame on the left side is fixedly connected with the wall body on the left side; the composite reinforced large frame on the right side is fixedly connected with the wall body on the right side; the door head is fixed on the tops of the two composite reinforced large frames; the upper frame is fixed at the bottom of the door head and positioned between the two composite reinforced large frames; an upper beam is fixed at the bottom of the upper frame, and an upper Liang Menhua is arranged on the outer side of the upper beam; a middle frame is fixed at the bottom of the upper beam; the left door leaf and the right door leaf are both positioned below the middle frame; the left door leaf is movably connected with the composite reinforced large frame on the left side; the right door leaf is movably connected with the composite reinforced large frame on the right side; a first door leaf window is arranged in the middle of the left door leaf, third glass and a third glass pressing frame which correspond in size are arranged in the first door leaf window, and the third glass pressing frame fixes the third glass on the edge of the first door leaf window; a second door leaf window is arranged in the middle of the right door leaf, a fourth glass and a fourth glass pressing frame which correspond in size are arranged in the second door leaf window, and the fourth glass pressing frame fixes the fourth glass on the edge of the second door leaf window; the lower frame is positioned below the left door leaf and the right door leaf and fixedly connected with the ground and the composite reinforced large frames on the left side and the right side.

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