CN115478751A

CN115478751A - A connection structure for indoor timber's installation of being convenient for

Info

Publication number: CN115478751A
Application number: CN202211196313.XA
Authority: CN
Inventors: 柴水军; 范春芽; 郑献洋; 徐军勇; 柴小卫; 徐小龙
Original assignee: Zhejiang Haibo Doors Co ltd
Current assignee: Zhejiang Haibo Doors Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-16
Anticipated expiration: 2042-09-29
Also published as: CN115478751B

Abstract

The invention relates to the technical field of wooden door connection, in particular to a connecting structure which is used for an indoor wooden door and is convenient to install. This kind of a connection structure for indoor timber's installation of being convenient for, through pushing the son to make the fluted disc along the flank of tooth and interior wheel meshing on following the downside outer loop, promote timber and door hinge and rotate along the frame hinge, interior wheel on this in-process door hinge revolves along the fluted disc and is driven the rotation by the fluted disc, interior wheel utilizes oblique flute to drive the locking disc along oblique flute and rotates, locking disc surface plane screw thread utilizes two back of the body spiral groove drive to push away the seat and carry out back of the body displacement along the spout this, pop out the spring bolt from the fore shaft through the support with this, and during the draw-in groove in the embedding slot, make the installation of locking completion timber between door hinge and the timber, the bulk operation only needs one person to accomplish, need not many people cooperation installation, manpower demand has been reduced, and need not the instrument, need not to keep accurate location at the in-process of installation, operation step has been made things convenient for greatly.

Description

A connection structure for indoor timber's installation of being convenient for

Technical Field

The invention relates to the technical field of wooden door connection, in particular to a connecting structure which is used for an indoor wooden door and is convenient to install.

Background

Existing interior wood doors are installed in the door frame and typically require a hinge connection between the door body and the door frame, also known as a door hinge, often in the form of a two-fold type, which is a movable part that connects two parts of an object and supports the door for pivotal suspension from the respective door frame.

Generally, a door hinge includes a pair of vertical supporting members installed to be connected to each other at one side in a vertical direction, or a pair of horizontal supporting members installed to be connected to each other at one side in a horizontal direction. This is fixed on the door to one among vertical support or the horizontal support, and another support is fixed at the door frame, but this type of door hinge mostly need in the installation to hold up the door plant and correspond with the door frame, then utilize the bolt to fix two parts blade on door plant and door frame, and need keep lifting of door plant continuation in the installation and align, the operation has a great deal of inconvenience, single can't carry out relevant operation, need many people to cooperate, harm the door plant mounting point easily after the dismantlement, and need dismantle the tie point one by one when dismantling, last tie point can bear whole weight, harm connecting piece and door plant easily.

In view of the above, we propose a connecting structure for indoor wooden doors, which is easy to install.

Disclosure of Invention

The invention aims to provide a connecting structure for an indoor wooden door, which is convenient to mount and aims to solve the problems that in the background art, a single person cannot perform related operations, multiple persons are required to cooperate, the mounting point of a door panel is easy to damage after the door panel is dismounted, the connecting points are required to be dismounted one by one during dismounting, the last connecting point can bear the whole weight, and the connecting piece and the door panel are easy to damage. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a connection structure for indoor timber's installation of being convenient for, includes the door frame, be provided with the timber in the door frame, it is articulated through coupling assembling between timber and the door frame.

Preferably, coupling assembling includes door hinge and frame hinge, the inboard of door frame is seted up flutedly, the frame hinge passes through bolt fixed mounting in the recess, the slot has been seted up to the side surface of timber, door hinge activity is pegged graft in the slot.

The door hinge comprises a frame hinge and is characterized in that outer rings are fixedly connected to the upper side and the lower side of the side surface of the frame hinge, a middle ring is fixedly connected to the middle of the side surface of the door hinge and is positioned between the two outer rings and aligned along the axial direction, a clamping sleeve is fixedly inserted into the middle ring, the upper end and the lower end of the clamping sleeve are movably inserted into the outer rings on the same side respectively, and the door hinge is rotatably connected with the frame hinge along the outer rings through the middle ring.

And the door hinge, the middle ring, the clamping sleeve and the outer ring are provided with inserting and locking parts.

Preferably, the mortise lock piece comprises a pin which is inserted in the clamping sleeve in a sliding manner, through holes corresponding to the pin are formed in the middle ring and the clamping sleeve, and a fluted disc is fixedly connected to the surface of the pin and in each through hole.

The inside of door hinge is seted up the circle chamber with the opening intercommunication, and the inside rotation in circle chamber is connected with interior wheel, the downside of interior wheel outer lane is seted up can with the flank of tooth that shifts up back fluted disc intermeshing.

The door hinge is characterized in that a lock bin is arranged inside the door hinge, two lock ports are arranged on the upper side and the lower side of the lock bin, and the two lock ports are communicated with the outside along the upper edge and the lower edge of the door hinge respectively.

The upper side of the outer ring of the inner wheel is convexly provided with oblique insections, the middle part of the lock cabin is rotatably connected with a lock disc, an identification piece is arranged on the lock disc, oblique insections meshed with the oblique insections are formed in the outer ring of the lock disc, and the inner wheel pushes the lock disc to rotate along the oblique insections through the oblique insections.

The protruding plane screw thread that is equipped with in surface of lock dish, the spout has been seted up to the one side that lock storehouse inner wall is relative with the plane screw thread, and the quantity of spout is two, two the spout is the longitudinal symmetry along the door hinge and sets up, and sliding connection has the seat that pushes away in the spout, push away the seat surface and seted up back spiral shell groove in one side that the plane screw thread is relative, and back spiral shell groove and plane screw thread intermeshing, accessible plane screw thread drives along back spiral shell groove and pushes away the seat and remove along the spout when the lock dish is rotatory.

The surface of the push seat is provided with a support, the end part of the support is fixedly connected with a lock tongue, the lock tongue is connected in the lock opening in a sliding mode, and a clamping groove corresponding to the lock tongue is formed in the inserting groove.

Preferably, the identification piece comprises a stud inserted on the lock disc in a threaded manner, through holes corresponding to the stud are formed in the door hinge and the wood door, and the stud is connected in the through holes in a non-rotatable sliding manner.

Preferably, a rubber pad is fixedly arranged inside the slot.

Preferably, the top end of the pin is fixedly connected with a limiting head, the inner wall of the outer ring at the upper side is provided with a limiting groove, and the limiting head is connected in the limiting groove in a sliding manner.

Preferably, the bottom end of the pin is fixedly provided with a magnetic head corresponding to the bottom end of the ferrule.

Preferably, an adhesive film is fixedly arranged at the opening of the through opening.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the pin is pushed upwards along the lower outer ring and fixed in a magnetic attraction manner, the fluted disc on the pin moves upwards in the through hole and is meshed with the inner wheel along the tooth surface, the wooden door and the door hinge are pushed to rotate along the frame hinge, the inner wheel on the door hinge revolves along the fluted disc in the process and is driven by the fluted disc to rotate, the rotating inner wheel drives the lock disc to rotate along the inclined fluted disc by utilizing inclined teeth on the surface, the planar threads synchronously moving on the surface of the lock disc drive the two push seats to move back and forth along the sliding grooves by utilizing the back thread groove, so that the lock tongue is popped out from the lock opening through the support and is embedded into the clamping groove in the slot, the wooden door hinge and the wooden door are locked to complete the installation of the wooden door, the whole operation can be completed by one person without being matched with multiple persons, the manpower requirement is reduced, tools are not needed, the accurate positioning is not needed in the installation process, and the operation steps are greatly facilitated.

In the invention, in the rotation process of the lock disc, the stud in the middle part is pushed by the bolt to enable the stud to slide outwards from the inner edge of the door hinge along the through hole and be inserted and connected on the wooden door, so that on one hand, the secondary locking between the wooden door and the door hinge can be realized, the safety function is realized, the installation stability is improved, and on the other hand, because the position of the stud corresponds to the rotation of the lock disc, if the bolt retracts inwards and is correspondingly displayed on the stud, a user can conveniently know the locking reliability of the bolt in real time.

According to the invention, when the wooden door needs to be disassembled, the wooden door is pushed along the push pin on the outer ring at the lower side and fixed by magnetic attraction, so that the fluted disc is meshed with the inner wheel moving upwards in the through hole, the wooden door and the door hinge are pushed to rotate along the frame hinge in a way opposite to that in the installation process, the plane thread moving synchronously on the surface of the lock disc drives the two push seats to move relatively along the sliding groove by using the back screw groove, and the lock tongue is retracted from the clamping groove and the locking hole through the bracket, so that the locking between the door hinge and the wooden door is released, then the wooden door can be disassembled by pulling out the door hinge, and the disassembly is similar to the installation process, only one-man operation is needed, and compared with the common bolt installation, the damage to the installation position on the wooden door hinge in the device can be avoided after the disassembly, and the door can be conveniently disassembled temporarily when a large object is moved in; .

According to the invention, the pins at the upper and lower parts are pushed upwards, then the two lock tongues are synchronously unlocked by the pushing door, and after the door hinge and the wooden door are unlocked, the wooden door can be supported along the door hinge by using the slot, so that compared with a common hinge, on one hand, the situation that one part which is disassembled backwards due to the fact that the upper and lower ends are respectively disassembled bears the whole weight of the wooden door is avoided, the service life of the connecting piece is ensured, the possibility of damaging the wooden door at the installation point is also reduced, on the other hand, all steps of unlocking and door disassembling can be synchronously completed by a single operator by holding the wooden door, the situation that the outer ring of the wooden door is toppled over when the disassembling is completed is avoided, and the operation safety is better.

Drawings

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

FIG. 2 is a schematic perspective view of a connecting assembly of the present invention;

FIG. 3 is an exploded view of FIG. 2 of the present invention;

FIG. 4 is a schematic perspective view of a door hinge and frame hinge of the present invention;

FIG. 5 is an exploded view of FIG. 4 of the present invention;

FIG. 6 is an exploded view of the door hinge of the present invention;

FIG. 7 is a perspective sectional view of the door hinge of the present invention;

fig. 8 is a front view of fig. 6 of the present invention.

In the figure: 1. a door frame; 2. a wooden door; 3. a connecting assembly; 31. a door hinge; 32. a frame hinge; 33. a groove; 34. a slot; 35. an outer ring; 36. a middle ring; 37. a card sleeve; 38. a latch member; 381. a pin; 382. a port; 383. a fluted disc; 384. a circular cavity; 385. an inner wheel; 386. a tooth surface; 387. locking the bin; 388. locking the opening; 389. oblique insection; 3810. a lock disc; 3811. an identification member; 38111. a stud; 38112. a through hole; 3812. an oblique gullet; 3813. a planar thread; 3814. a chute; 3815. a pushing seat; 3816. back threading; 3817. a support; 3818. a latch bolt; 3819. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a connection structure for indoor timber's installation of being convenient for, includes door frame 1, is provided with timber 2 in the door frame 1, articulates through coupling assembling 3 between timber 2 and the door frame 1.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 to fig. 8, the connecting assembly 3 includes a door hinge 31 and a frame hinge 32, a groove 33 is formed on the inner side of the door frame 1, the frame hinge 32 is fixedly installed in the groove 33 by a bolt, a slot 34 is formed on the side surface of the wooden door 2, and the door hinge 31 is movably inserted into the slot 34;

the upper side and the lower side of the side surface of the frame hinge 32 are fixedly connected with outer rings 35, the middle part of the side surface of the door hinge 31 is fixedly connected with a middle ring 36, the middle ring 36 is positioned between the two outer rings 35 and is aligned along the axial direction, a cutting sleeve 37 is fixedly inserted in the middle ring 36, the upper end and the lower end of the cutting sleeve 37 are movably inserted in the outer rings 35 on the same side respectively, the door hinge 31 is rotationally connected along the outer rings 35 and the frame hinge 32 through the middle ring 36, when the wooden door 2 needs to be installed, the device is fixedly installed on a groove 33 of the door frame 1 through the frame hinge 32, then slots 34 and the door hinges 31 on the wooden door 2 are aligned one by one, and the wooden door 2 is inserted in the door hinge 31 through the slots 34;

the door hinge 31, the middle ring 36, the cutting sleeve 37 and the outer ring 35 are provided with a latch piece 38.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 to fig. 8, the mortise lock 38 includes a pin 381 slidably inserted in the ferrule 37, through holes 382 corresponding to the pin 381 are formed on the middle ring 36 and the ferrule 37, and a toothed disc 383 is fixedly connected to the surface of the pin 381 and inside the through hole 382;

a circular cavity 384 communicated with the through hole 382 is formed in the door hinge 31, the interior of the circular cavity 384 is rotatably connected with an inner wheel 385, a tooth surface 386 which can be meshed with an upward moving toothed disc 383 is formed in the lower side of an outer ring of the inner wheel 385, the tooth surface 386 is arranged along a push pin 381 on the lower side outer ring 35 and is magnetically fixed, the toothed disc 383 on the pin 381 moves upward in the through hole 382 and is meshed with the inner wheel 385 along the tooth surface 386, the wooden door 2 and the door hinge 31 are pushed to rotate along a frame hinge 32, and the inner wheel on the door hinge 31 revolves along the toothed disc 383 and is driven to rotate by the toothed disc 383 in the process;

a lock bin 387 is formed in the door hinge 31, two lock notches 388 are formed in the upper side and the lower side of the lock bin 387, and the two lock notches 388 are communicated with the outside along the upper edge and the lower edge of the door hinge 31 respectively;

the upper side of the outer ring of the inner wheel 385 is convexly provided with oblique toothed threads 389, the middle part of the lock cabin 387 is rotatably connected with a lock disc 3810, an identification piece 3811 is arranged on the lock disc 3810, an oblique toothed groove 3812 meshed with the oblique toothed threads 389 is formed in the outer ring of the lock disc 3810, and the inner wheel 385 pushes the lock disc 3810 to rotate along the oblique toothed groove 3812 through the oblique toothed threads 389;

the surface of the lock disc 3810 is convexly provided with a plane thread 3813, one side of the inner wall of the lock bin 387, which is opposite to the plane thread 3813, is provided with two sliding grooves 3814, the two sliding grooves 3814 are symmetrically arranged up and down along the door hinge 31, the sliding grooves 3814 are internally and slidably connected with a pushing seat 3815, one side, opposite to the plane thread 3813, of the surface of the pushing seat 3815 is provided with a back screw groove 3816, the back screw groove 3816 is meshed with the plane thread 3813, and the pushing seat 3815 can be driven by the plane thread 3813 along the back screw groove 3816 to move along the sliding grooves 3814 when the lock disc 3810 rotates;

the surface of the push seat 3815 is provided with a support 3817, the end of the support 3817 is fixedly connected with a lock tongue 3818, the lock tongue 3818 is slidably connected in the locking notch 388, a slot 3819 corresponding to the lock tongue 3818 is formed in the slot 34, the rotating inner wheel 385 drives the lock disc 3810 to rotate along the inclined tooth groove 3812 by using the inclined tooth grains 389 on the surface, at this time, the planar threads 3813 which synchronously move on the surface of the lock disc 3810 drive the two push seats 3815 to move back to back along the sliding slot 3814 by using the back screw groove 3816, so that the lock tongue 3818 is ejected out of the locking notch 388 through the support 3817 and is embedded in the slot 3819 in the slot 34.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 to fig. 8, the identifier 3811 includes a bolt 38111 screwed into the lock disk 3810, a through hole 38112 corresponding to the bolt 38111 is opened on the door hinge 31 and the wooden door 2, and the bolt 38111 is non-rotatably slidably connected in the through hole 38112, and during the rotation of the lock disk 3810, the bolt 38111 in the middle is pushed by the bolt so that the bolt 38111 slides outwards from the inside of the door hinge 31 along the through hole 38112 and is inserted into the wooden door 2.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 to fig. 8, a rubber pad is fixedly disposed inside the slot 34.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5 to 8, the top end of the pin 381 is fixedly connected to a limiting head, the inner wall of the upper outer ring 35 is provided with a limiting groove, and the limiting head is slidably connected to the limiting groove, so that the pin 381 can only slide up and down along the ferrule 37 and the outer ring 35, and deflection does not occur to affect the use of the toothed plate 383.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 to fig. 8, a magnetic head corresponding to the bottom end of the ferrule 37 is fixedly disposed at the bottom end of the pin 381, and after the pin 381 moves up along the ferrule 37, the magnetic head can be used for performing adsorption positioning without continuously pushing the pin 381 by an operator, which further facilitates the use.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5 to 8, an adhesive film is fixed at the opening of the through opening 382, and the adhesive film can seal the through opening 382 without affecting the transmission of the toothed disc 383 and the inner wheel 385, so as to prevent the internal components from being corroded by external moisture and dust.

The use method and the advantages of the invention are as follows: this kind of a connection structure for being convenient for installation of indoor timber is when work, use, and the course of work is as follows:

as shown in fig. 1, 2, 3, 4, 5 to 8:

s1, when a wooden door 2 needs to be installed, the device is fixedly installed on a groove 33 of a door frame 1 through a frame hinge 32, then slots 34 in the wooden door 2 are aligned with door hinges 31 one by one, and the wooden door 2 is inserted into the door hinges 31 through the slots 34;

s2, pushing pins 381 are arranged on the lower outer ring 35 and fixed in a magnetic attraction mode, at the moment, a toothed disc 383 on each pin 381 moves upwards in an opening 382 and is meshed with an inner wheel 385 along a tooth surface 386, at the moment, the wooden door 2 and the door hinges 31 are pushed to rotate along the frame hinges 32, and in the process, the inner wheel 385 on the door hinges 31 revolves along the toothed disc 383 and is driven to rotate by the toothed disc 383;

s3, the rotating inner wheel 385 drives the lock disc 3810 to rotate along the inclined tooth grooves 3812 by utilizing the inclined insection 389 on the surface, at the moment, the plane threads 3813 synchronously moving on the surface of the lock disc 3810 drive the two push seats 3815 to carry out back-to-back displacement along the sliding grooves 3814 by utilizing the back screw grooves 3816, so that the lock tongue 3818 is ejected out of the lock notch 388 through the bracket 3817 and is embedded into the clamping groove 3819 in the slot 34, the door hinge 31 and the wood door 2 are locked to complete the installation of the wood door 2, the whole operation can be completed by only one person without the cooperation of multiple persons, the manpower requirement is reduced, tools are not needed, the accurate positioning is not needed in the installation process, and the operation steps are greatly facilitated;

s4, in the rotating process of the lock disc 3810, the bolt 38111 in the middle of the lock disc is pushed by the lock disc, so that the bolt 38111 slides outwards from the door hinge 31 along the through hole 38112 and is inserted and connected to the wood door 2, on one hand, secondary locking can be performed between the wood door 2 and the door hinge 31, a safety effect is achieved, and the installation stability is improved, on the other hand, as the position of the bolt 38111 corresponds to the rotation of the lock disc 3810, if the bolt 3818 retracts inwards and correspondingly displays on the bolt 38111, a user can conveniently know the locking reliability of the bolt 3818 in real time;

s5, when the wooden door 2 needs to be disassembled, the wooden door 2 and the door hinges 31 are pushed to rotate along the frame hinges 32 oppositely to the rotation during installation along the pushing pin 381 on the lower outer ring 35 and are fixed in a magnetic attraction mode, so that the fluted disc 383 moves upwards in the through opening 382 to move the inner wheel 385, the inner wheel 385 on the door hinges 31 rotates along the fluted disc 383 and is driven to rotate by the fluted disc 383, the inner wheel 385 drives the lock disc 3810 to rotate along the inclined fluted groove 3812 by utilizing inclined threads 389 on the surface, at the moment, the planar threads 3813 synchronously moving on the surface of the lock disc 3810 drive the two pushing seats 3815 to relatively displace along the sliding grooves 3814 by utilizing the back thread groove 3816, the lock tongue 3818 is retracted from the clamping groove 3819 and the locking notch 388 through the bracket 3817, the locking between the door 31 and the wooden door hinge 2 is unlocked, then the wooden door 2 is pulled out of the door hinge 31, the disassembling can be completed, the assembling process is similar to the assembling process, and the assembling operation is similar to the common bolt operation, and the assembling position of the door 2 can not be damaged after the disassembling, and the assembling position of the wooden door can be conveniently disassembled by a single person;

s6, when the wooden door 2 is disassembled by the aid of the device, an operator can push up the pins 381 at the upper position and the lower position, then the bolts 3818 at the two positions are synchronously unlocked by the aid of the pushing door, after the wooden door 2 is unlocked by the aid of the door hinges 31, the wooden door 2 can be supported along the door hinges 31 by the aid of the slots 34, compared with a common hinge, on one hand, the situation that one position is disassembled backwards to bear all weight of the wooden door 2 due to the fact that the upper end and the lower end of the wooden door are disassembled respectively is avoided, service life of a connecting piece is guaranteed, possibility of damage to mounting points of the wooden door 2 is reduced, on the other hand, all steps of unlocking and door disassembling can be synchronously completed by the aid of a single operator by holding the wooden door 2, dumping of the outer ring of the wooden door 2 when disassembling is completed is avoided, and better operation safety is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connection structure for indoor timber's installation of being convenient for, includes door frame (1), be provided with timber (2) in door frame (1), its characterized in that: the wooden door (2) is hinged with the door frame (1) through a connecting component (3).

2. The connecting structure for an indoor wooden door, which is easy to install, according to claim 1, wherein: the connecting assembly (3) comprises a door hinge (31) and a frame hinge (32), a groove (33) is formed in the inner side of the door frame (1), the frame hinge (32) is fixedly installed in the groove (33) through a bolt, a slot (34) is formed in the side surface of the wooden door (2), and the door hinge (31) is movably inserted into the slot (34);

outer rings (35) are fixedly connected to the upper side and the lower side of the side surface of the frame hinge (32), a middle ring (36) is fixedly connected to the middle of the side surface of the door hinge (31), the middle ring (36) is located between the two outer rings (35) and is axially aligned, a clamping sleeve (37) is fixedly inserted into the middle ring (36), the upper end and the lower end of the clamping sleeve (37) are movably inserted into the outer rings (35) on the same side respectively, and the door hinge (31) is rotatably connected with the frame hinge (32) through the middle ring (36) along the outer rings (35);

and the door hinge (31), the middle ring (36), the clamping sleeve (37) and the outer ring (35) are internally provided with a clamping and locking piece (38).

3. The connecting structure for an indoor wooden door, which is easy to install, according to claim 2, wherein: the locking piece (38) comprises a pin (381) which is inserted into the sleeve chuck (37) in a sliding mode, through holes (382) corresponding to the pin (381) are formed in the middle ring (36) and the sleeve chuck (37), and a fluted disc (383) is fixedly connected to the surface of the pin (381) and in the through holes (382);

a circular cavity (384) communicated with the through hole (382) is formed in the door hinge (31), an inner wheel (385) is rotatably connected to the inside of the circular cavity (384), and a tooth surface (386) which can be meshed with the upward-moving rear fluted disc (383) is formed on the lower side of the outer ring of the inner wheel (385);

a lock bin (387) is arranged in the door hinge (31), two lock notches (388) are arranged on the upper side and the lower side of the lock bin (387), and the two lock notches (388) are respectively communicated with the outside along the upper edge and the lower edge of the door hinge (31);

the upper side of the outer ring of the inner wheel (385) is convexly provided with oblique toothed threads (389), the middle part of the lock bin (387) is rotatably connected with a lock disc (3810), an identification piece (3811) is arranged on the lock disc (3810), an oblique toothed groove (3812) meshed with the oblique toothed threads (389) is formed in the outer ring of the lock disc (3810), and the inner wheel (385) pushes the lock disc (3810) to rotate along the oblique toothed groove (3812) through the oblique toothed threads (389);

the lock comprises a lock disc (3810) and is characterized in that a plane thread (3813) is convexly arranged on the surface of the lock disc (3810), a sliding groove (3814) is formed in one side, opposite to the plane thread (3813), of the inner wall of a lock bin (387), two sliding grooves (3814) are formed, the two sliding grooves (3814) are symmetrically arranged up and down along a door hinge (31), a pushing seat (3815) is connected in the sliding groove (3814) in a sliding mode, a back screw groove (3816) is formed in one side, opposite to the plane thread (3813), of the surface of the pushing seat (3815), the back screw groove (3816) is meshed with the plane thread (3813), and the pushing seat (3815) can be driven to move along the sliding groove (3814) through the plane thread (3813) when the lock disc (3810) rotates;

the surface that pushes away seat (3815) is provided with support (3817), and the tip fixedly connected with spring bolt (3818) of support (3817), spring bolt (3818) sliding connection is in fore shaft (388), draw-in groove (3819) that correspond with spring bolt (3818) have been seted up in slot (34).

4. The connection structure for an indoor wooden door convenient to install according to claim 3, wherein: the identification piece (3811) comprises a stud (38111) inserted on the lock disc (3810) in a threaded mode, through holes (38112) corresponding to the studs (38111) are formed in the door hinge (31) and the wooden door (2), and the studs (38111) are connected in the through holes (38112) in a non-rotatable sliding mode.

5. The connecting structure for an indoor wooden door, which is easy to install, according to claim 2, wherein: and a rubber pad is fixedly arranged inside the slot (34).

6. A connecting structure for an indoor wooden door easy to install according to claim 3, wherein: the top end of the pin (381) is fixedly connected with a limiting head, a limiting groove is formed in the inner wall of the outer ring (35) on the upper side, and the limiting head is connected in the limiting groove in a sliding mode.

7. A connecting structure for an indoor wooden door easy to install according to claim 3, wherein: the bottom end of the pin (381) is fixedly provided with a magnetic head corresponding to the bottom end of the cutting sleeve (37).

8. A connecting structure for an indoor wooden door easy to install according to claim 3, wherein: an adhesive film is fixedly arranged at the opening of the through port (382).