CN211342135U

CN211342135U - Novel screen door lock structure

Info

Publication number: CN211342135U
Application number: CN201921671891.8U
Authority: CN
Inventors: 余波; 胡华平; 郭雄伟
Original assignee: Jiaheng Zhejiang Metal Technology Co ltd
Current assignee: Jiaheng Zhejiang Metal Technology Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-25
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a novel screen door lock structure, which comprises a door plate, wherein the front end surface of the door plate is provided with an outer panel, the rear end surface of the door plate is provided with an inner panel, the side surface of the door plate is embedded with a spring bolt group, the spring bolt group comprises an outer lock shell, a rotating hole is arranged on the outer lock shell, the rotating hole is internally and rotatably connected with an installation square rod, the outer panel is rotatably connected with an outer rotating handle, the inner panel is rotatably connected with an inner rotating handle, the installation square rod is provided with a cylindrical part extending into the rotating hole, the side surface of the cylindrical part is provided with a notch groove, the outer lock shell is in sliding connection with an inner lock shell, one end of the inner lock shell is provided with a convex part, the outer lock shell is internally provided with a first reset spring with an end part abutting against the inner lock shell, the inner lock shell is internally provided with a blocking piece, the, the other end of the spring bolt is connected with a second return spring of the lock bolt block. The door lock structure has the characteristics of labor saving in installation, convenience in opening and closing and firmness in locking.

Description

Novel screen door lock structure

Technical Field

The utility model relates to a lock structure, more specifically say, it relates to a novel screen door lock structure.

Background

The existing screen door lock is traditional in structure, the lock is locked in the lock body mostly by a key, the failure rate is high, the locking firmness is not high, the lock is easy to pry, the safety is not very high, and the overall effect is not good. Therefore, the utility model provides a novel screen door lock structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a novel screen door lock structure, this door lock structure utensil installation is laborsaving, and the switching is convenient, locks firm characteristics.

In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to a novel screen door lock structure, which comprises a door plate, wherein the front end surface of the door plate is provided with an outer panel, the rear end surface of the door plate is provided with an inner panel, the side surface of the door plate is embedded with a spring bolt group, the spring bolt group comprises an outer lock shell, the outer lock shell is provided with a rotating hole, the rotating hole is internally and rotatably connected with an installation square rod which penetrates through the front end surface and the rear end surface of the door plate, one end of the installation square rod extends out of the outer panel, and the other end of the installation square rod extends out of the inner panel, the outer panel is rotatably connected with an outer rotating handle which is sleeved on the installation square rod and drives the installation square rod to rotate, the installation square rod is provided with a cylindrical part extending into the rotating hole, the side surface of the cylindrical part is provided with a notch groove, the outer lock shell is in sliding connection with an inner lock shell, one end of the inner lock shell is provided with a protruding part extending into the notch groove, a, the inner lock shell is internally provided with a supporting sheet, the other end of the inner lock shell is slidably connected with a lock tongue piece, the part of the lock tongue piece extends out of the side face of the door plate, and the inner lock shell is internally provided with a second reset spring, one end of the second reset spring is abutted against the supporting sheet, and the other end of the second reset spring is abutted against the lock tongue piece.

The utility model discloses further set up to: the lock bolt block is provided with a guide part which is connected in the guide hole in a sliding way.

The utility model discloses further set up to: the inner panel is provided with a fixed plate, the fixed plate is attached with a driving plate which slides up and down relative to the fixed plate, the driving plate is provided with a gourd hole, the gourd hole consists of a round hole and a strip-shaped hole which is positioned above the round hole and communicated with the round hole, the strip-shaped hole extends from bottom to top and has a width smaller than the diameter of the round hole, the round hole is rotatably connected with a rotating body arranged on an inner rotating handle, two sides of the rotating body are respectively provided with cutting parts, and the distance between the two cutting parts is smaller than the width of the strip-shaped hole; rotate on the inner panel and be connected with safe knob, still set up the initiative bar hole that extends from bottom to top on the driving plate, the post soon that stretches into initiative bar hole has on the safe knob, is equipped with the commentaries on classics board on the post soon, and the eccentric settings is provided with and pulls the post on the commentaries on classics board, the pull hole rather than perpendicular and intercommunication is seted up to the lateral part in initiative bar hole, it is downthehole to pull post sliding connection to pull.

The utility model discloses further set up to: the fixed plate is provided with a bending piece for coating the driving plate, and a sliding hole for the driving plate to slide up and down is formed between the bending piece and the fixed plate.

The utility model discloses further set up to: the door panel is characterized in that a connecting column inserted into the door panel is arranged on the outer panel, a connecting hole matched with the connecting column is formed in the inner panel, and a mounting screw penetrating through the connecting hole is in threaded connection with the connecting column.

To sum up, the utility model discloses following beneficial effect has: the utility model relates to a novel screen door lock structure, which realizes the rotation of an installation square rod through the rotation of the rotating handles at the inner side and the outer side, further controls the retraction or the extension of a lock tongue piece relative to the side surface of a door plate, and achieves the effects of opening and locking the door; the driving plate capable of moving up and down is additionally arranged, the rotating handle can be locked, and then the door lock is locked, so that the lock tongue piece cannot retract or extend relative to the side surface of the door plate, and the locking function is achieved; the screen door lock structure is labor-saving in installation, convenient to open and close, firm in locking, complete in overall function and high in practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a schematic structural diagram of the fixing plate according to the present invention;

fig. 5 is a schematic structural view of the driving plate according to the present invention;

FIG. 6 is a schematic view of the overall structure of the square bar for mounting according to the present invention;

FIG. 7 is a schematic view of the internal structure of the square bar for mounting according to the present invention;

fig. 8 is a schematic view of the overall structure of the latch bolt assembly according to the present invention;

fig. 9 is a schematic view of the internal structure of the latch bolt assembly according to the present invention;

fig. 10 is a schematic structural view of the inner lock case according to the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 10, the novel screen door lock structure according to the present embodiment includes a door panel 1, an outer panel 2 is disposed on a front end surface of the door panel 1, an inner panel 3 is disposed on a rear end surface of the door panel 1, a latch set 4 is embedded in a side surface of the door panel 1, the latch set 4 includes an outer lock case 41, a rotation hole 42 is disposed on the outer lock case 41, an installation square rod 5 penetrating through front and rear end surfaces of the door panel 1 and having one end extending out of the outer panel 2 and the other end extending out of the inner panel 3 is rotatably connected to the outer panel 2, an outer rotating handle 6 sleeved on the installation square rod 5 and driving the installation square rod to rotate is rotatably connected to the outer panel 2, an inner rotating handle 7 sleeved on the installation square rod 5 and driving the installation square rod to rotate is rotatably connected to the inner panel 3, the installation square rod 5 has a cylindrical portion 51 extending into the rotation hole 42, a notch 52 is disposed on a side surface of the cylindrical portion 51, an inner lock, the one end of inner lock shell 43 is equipped with and stretches into the bulge 44 of breach groove 52, be equipped with reset spring 8 of tip butt inner lock shell 43 in the outer lock shell 41, be equipped with in the inner lock shell 43 and support separation blade 45, the other end sliding connection of inner lock shell 43 has the part to stretch out the spring plate piece 46 of door plant 1 side, be equipped with two 9 reset springs of one end butt separation blade 45, other end butt spring plate piece 46 in the inner lock shell 43.

In the present embodiment, the installation square bar 5 can rotate relative to the door panel 1 by arbitrarily rotating the external rotating handle 6 on the external panel 2 or the internal rotating handle 7 on the internal panel 3, and since the protruding portion 44 extends into the notch groove 52 of the installation square bar 5, when the cylindrical portion 51 rotates in the rotating hole 42, the protruding portion 44 is pushed and moves backward, and the protruding portion 44 carries the internal lock shell 43 and the lock tongue piece 46 to move together in the same direction, so that the lock tongue piece 46 retracts into the side surface of the door panel 1; when the external rotating handle 6 or the internal rotating handle 7 is loosened, the first return spring 8 needs to be restored to deform so as to push the protrusion 44 and the inner lock shell 43 connected together, the protrusion 44 carries the cylindrical part 51 and the mounting square rod 5 to return and rotate, the inner lock shell 43 and the lock tongue piece 46 move forwards together with the inner lock shell 43, and finally the lock tongue piece 46 extends out of the side face of the door panel 1.

Furthermore, a guide hole 431 extending along the length direction of the inner lock shell 43 is formed in the inner lock shell, and a guide part 461 slidably connected in the guide hole 431 is arranged on the lock tongue piece 46, so that the lock tongue piece 46 is limited.

Further, a fixing plate 10 is arranged on the inner panel 3, a driving plate 11 which slides up and down relative to the fixing plate 10 is attached to the fixing plate 10, a gourd hole 12 is formed in the driving plate 11, the gourd hole 12 is composed of a circular hole 121 and a strip-shaped hole 122 which is located above the circular hole 121 and communicated with the circular hole 121, the strip-shaped hole 122 extends from bottom to top, the width of the strip-shaped hole is smaller than that of the circular hole 121, a rotating body 71 arranged on the inner rotating handle 7 is rotatably connected to the circular hole 121, cutting portions 72 are respectively arranged on two sides of the rotating body 71, and the distance between the two cutting portions 72 is smaller than the width; the last rotation of interior panel 3 is connected with safe knob 13, still set up the initiative bar hole 14 that extends from bottom to top on the driving plate 11, the safety knob has the rotary column 131 who stretches into initiative bar hole 14 on 13, is equipped with commentaries on classics board 15 on the rotary column 131, and the eccentric settings is provided with on the commentaries on classics board 15 and pulls post 16, the pull hole 17 rather than perpendicular and intercommunication is seted up to the lateral part in initiative bar hole 14, pull post 16 sliding connection in pulling hole 17.

The locking working principle is as follows: first, the rotator 71 is located at the lower side of the gourd hole 12, i.e., in the circular hole 121, and the rotator 71 can freely rotate in the circular hole 121, but after each rotation is completed, since the installation square bar 5 is restored by the spring, the cut portions 72 are held at the left and right sides of the rotating body 71, and when the rotating body 71 is in the circular hole 121, the rotary column 131 is at the lower side position of the driving strip-shaped hole 14, the safety knob 13 is manually rotated, so that the rotary column 131 rotates with the rotary plate 15, the rotary plate 15 slides with the traction column 16 in the traction hole 17, and the pulling hole 17 pulls the driving plate 11 to move downwards, so that the driving plate 11 slides downwards relative to the fixed plate 10, the rotating body 71 moves out of the round hole 121 and enters the strip-shaped hole 122, the hole walls on two sides of the strip-shaped hole 122 lock the cutting parts 72 on two sides of the rotating body 71, the rotating body 71 can not rotate in the gourd hole 12, the inner rotating handle 7 is locked, and the locking operation is completed.

Further, the fixed plate 10 is provided with a bent piece 18 covering the driving plate 11, a sliding hole 19 for the driving plate 11 to slide up and down is formed between the bent piece 18 and the fixed plate 10, and the driving plate 11 is slidably guided on a preset rail without deviating a sliding path, so that locking is more convenient.

Further, be equipped with the spliced pole 20 that inserts door plant 1 on the outer panel 2, set up the connecting hole 21 that matches with spliced pole 20 on the inner panel 3, threaded connection has the installation screw 22 that runs through connecting hole 21 on the spliced pole 20, reaches the connection between outer panel 2 and the inner panel 3, and connects firmly to press from both sides door plant 1 in it, it is firm, convenient to install.

The utility model relates to a novel screen door lock structure, which realizes the rotation of an installation square rod through the rotation of the rotating handles at the inner side and the outer side, further controls the retraction or the extension of a lock tongue piece relative to the side surface of a door plate, and achieves the effects of opening and locking the door; the driving plate capable of moving up and down is additionally arranged, the rotating handle can be locked, and then the door lock is locked, so that the lock tongue piece cannot retract or extend relative to the side surface of the door plate, and the locking function is achieved; the screen door lock structure is labor-saving in installation, convenient to open and close, firm in locking, complete in overall function and high in practicability.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship based on the actual orientation or positional relationship shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a novel screen door lock structure, includes the door plant, the preceding terminal surface of door plant is equipped with outer panel, the rear end face of door plant is equipped with interior panel, the spring bolt group, its characterized in that have been buried underground to the side of door plant: the spring bolt set comprises an outer lock shell, a rotating hole is formed in the outer lock shell, a rotating square rod penetrating through the front end face and the rear end face of the door plate and with one end extending out of an outer panel and the other end extending out of an inner panel is connected to the outer panel in a rotating mode, an outer rotating handle sleeved on the square rod and carrying the square rod in rotation is connected to the outer panel in a rotating mode, a rotating inner rotating handle sleeved on the square rod and carrying the square rod in rotation is connected to the inner panel in a rotating mode, the square rod is provided with a cylindrical portion extending into the rotating hole, a notch groove is formed in the side face of the cylindrical portion, an inner lock shell is connected to the outer lock shell in a sliding mode, a protruding portion extending into the notch groove is arranged at one end of the inner lock shell, a first reset spring with an end abutting against the inner lock shell is arranged in the outer lock shell, a blocking piece extending out of the side face of the door plate is connected to the other end, The other end of the spring bolt is connected with a second return spring of the lock bolt block.

2. The novel screen door lock structure of claim 1, wherein: the lock bolt block is provided with a guide part which is connected in the guide hole in a sliding way.

3. The novel screen door lock structure according to claim 1 or 2, characterized in that: the inner panel is provided with a fixed plate, the fixed plate is attached with a driving plate which slides up and down relative to the fixed plate, the driving plate is provided with a gourd hole, the gourd hole consists of a round hole and a strip-shaped hole which is positioned above the round hole and communicated with the round hole, the strip-shaped hole extends from bottom to top and has a width smaller than the diameter of the round hole, the round hole is rotatably connected with a rotating body arranged on an inner rotating handle, two sides of the rotating body are respectively provided with cutting parts, and the distance between the two cutting parts is smaller than the width of the strip-shaped hole; rotate on the inner panel and be connected with safe knob, still set up the initiative bar hole that extends from bottom to top on the driving plate, the post soon that stretches into initiative bar hole has on the safe knob, is equipped with the commentaries on classics board on the post soon, and the eccentric settings is provided with and pulls the post on the commentaries on classics board, the pull hole rather than perpendicular and intercommunication is seted up to the lateral part in initiative bar hole, it is downthehole to pull post sliding connection to pull.

4. The novel screen door lock structure of claim 3, wherein: the fixed plate is provided with a bending piece for coating the driving plate, and a sliding hole for the driving plate to slide up and down is formed between the bending piece and the fixed plate.

5. The novel screen door lock structure of claim 1, wherein: the door panel is characterized in that a connecting column inserted into the door panel is arranged on the outer panel, a connecting hole matched with the connecting column is formed in the inner panel, and a mounting screw penetrating through the connecting hole is in threaded connection with the connecting column.