CN217999227U

CN217999227U - Transmission lock box with positioning and self-locking functions

Info

Publication number: CN217999227U
Application number: CN202221367651.0U
Authority: CN
Inventors: 谢晓东; 余明律; 谢晓楠; 朱业明
Original assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Current assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-12-09
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a transmission lock box of area location and self-locking function, including the box body and with box body sliding fit's transfer line, still including locating component, locating component is including setting element, screw rod, worm wheel and worm, one side or both sides are opened about the box body has and are stopped commentaries on classics complex positioning hole with the setting element, screw rod and worm wheel coaxial coupling and the screw rod still with setting element threaded connection, worm wheel and worm intermeshing, the box body openly opens there is the handle hole with worm tip mutual alignment. The usable spanner of user etc. instrument stretches into the handle hole and twists the worm and rotate, can put into the mounting groove of door and window section bar earlier to the lock box when installing, thereby it stretches out its mounting groove lock joint with the section bar to drive the setting element through twisting the worm afterwards and install the lock box on the door and window section bar.

Description

Transmission lock box with positioning and self-locking functions

Technical Field

The utility model relates to a building hardware fitting technical field especially relates to a transmission lock box of area location and self-locking function.

Background

The transmission lock box is an important component of a door and window transmission mechanism and is used for connecting a handle and a connecting rod locking point to realize a transmission locking function. When the handle is operated, the linear motion of the connecting rod is realized through the connected transmission lock box, so that the locking and unlocking functions of doors and windows are achieved, and the transmission lock box is widely applied to modern buildings.

The existing lock box on the market has two shortcomings: 1. the transmission lock box is arranged in the window sash profile cavity, and the handle is connected and fastened with the transmission lock box through the mounting screw. When the transmission lock box and the handle are connected on the section bar, a certain distance is reserved, and the transmission lock box can incline towards one side of the handle under the action of the threads of the mounting screw, so that the original mounting position and motion track of the transmission lock box are changed, the operation of the whole transmission mechanism is unsmooth, and the use is influenced; 2. the transmission lock box has no self-locking function, so that lawless persons can pry the lock point up and down through the gap between the door and the window by using a tool to make the lock point and the lock seat staggered and the locking failure, thereby leading to the invasion of outdoor side windowing. In conclusion, it is necessary to design a lock box with self-locking and anti-prying functions and reliable installation.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide one kind and be convenient for easy to assemble, can realize the transmission lock box of location and locking function.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a transmission lock box of area location and self-locking function, including the box body and with box body sliding fit's transfer line, still including locating component, locating component is including setting element, screw rod, worm wheel and worm, one side or both sides are opened about the box body has and are stopped to change complex positioning hole with the setting element, screw rod and worm wheel coaxial coupling and the screw rod still with setting element threaded connection, worm wheel and worm intermeshing, the box body openly opens the handle hole who has with the mutual alignment of worm tip.

The utility model has the advantages that: the utility model discloses a transmission lock box, the worm is moved to twisting in the usable spanner of user's instrument stretches into the handle hole, the worm drives the worm wheel when rotating and rotates, because worm wheel and screw rod coaxial coupling, constitute ball screw pair between its setting element and the screw rod, consequently the setting element can stretch out and draw back under the screw rod drives, can put into the mounting groove of door and window section bar earlier the lock box when installing, thereby it will lock the box and install on the door and window section bar to drive the setting element through twisting afterwards and stretch out its mounting groove lock joint with the section bar.

Preferably, the side part of the positioning piece is formed with a rotation stopping strip, and the positioning through hole is provided with a rotation stopping groove matched with the rotation stopping strip. The rotation stopping matching between the positioning through hole and the positioning piece can be realized through the mutual matching of the rotation stopping strip and the rotation stopping groove, and the positioning piece can be prevented from rotating, so that a ball screw pair is formed between the positioning piece and the screw.

Preferably, a bearing seat connected with the worm in a rotating mode is formed in the box body, and a hexagonal hole is formed in the end portion of the worm. The worm can be driven to rotate by matching the hexagonal wrench and the hexagonal hole.

Preferably, a rotation shaft member is rotatably connected to the left or right side of the case, the transmission rod is formed with a rack portion at the inner side of the case, and the rotation shaft member is formed with a gear portion engaged with the rack portion. The transmission rod can be driven to slide by rotating the rotating shaft piece.

Preferably, the rotating shaft part is formed with a positioning part, the box body is internally provided with an elastic fastener, the periphery of the positioning part is formed with a plurality of positioning grooves, and the elastic fastener is formed with positioning protrusions matched with the positioning grooves. The positioning groove and the positioning protrusion are matched with each other to realize mutual locking between the positioning groove and the positioning protrusion, and the rotating shaft piece is locked at a current angle, so that the lock box is kept in a locking or unlocking state. When the rotating shaft piece needs to be rotated, the rotating shaft piece can be twisted vigorously, so that the positioning protrusion generates elastic deformation to be separated from the positioning groove.

Preferably, the number of the positioning protrusions is two, while the number of the positioning grooves is even, and the positioning grooves are distributed around the axis of the rotating shaft member in an annular arrangement. The number of the positioning protrusions is two, so that the stability of a locking structure between the positioning portion and the elastic fastener can be improved, and meanwhile, the two positioning protrusions can be matched and locked with the two positioning grooves at the same time due to the fact that the number of the positioning grooves is even and the positioning grooves are distributed in an annular arrangement mode around the axis of the rotating shaft.

Preferably, the rotating shaft member is provided with a square shaft hole. The square shaft hole can be used for connecting with parts such as a handle.

Preferably, the box body is provided with a guide sliding chute for guiding the transmission rod to slide.

Preferably, the box body comprises a first shell and a second shell, and the first shell and the second shell are connected through screws.

Preferably, the driving rod is provided with an avoiding groove extending along the sliding direction of the driving rod, and the avoiding groove is always aligned with the operation hole and the end part of the worm in the sliding stroke of the driving rod. Because the avoiding groove is always aligned with the operating hole and the end part of the worm in the sliding stroke, the avoiding groove can avoid parts such as a hexagonal wrench and the like, so that the avoiding groove can smoothly extend into the end part of the worm.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure after the first housing is hidden.

Fig. 4 is a schematic view of a three-dimensional structure of the rotating shaft member and the elastic fastener of the present invention.

Fig. 5 is a second schematic perspective view of the present invention.

Fig. 6 is one of the schematic diagrams of the assembly of the present invention with the section bar.

Fig. 7 is a second schematic view of the assembly of the present invention with the section bar.

The device comprises a box body 1, a first shell 1a, a second shell 1b, a positioning through hole 11, a rotation stopping groove 111, an operation hole 12, a bearing seat 13, a guide sliding groove 14, a transmission rod 2, a rack part 21, an avoidance groove 22, a positioning part 31, a rotation stopping strip 311, a screw rod 32, a worm wheel 33, a worm 34, a hexagonal hole 341, a rotating shaft 4, a gear part 41, a positioning part 42, a positioning groove 421, a square shaft 43, an elastic fastener 5 and a positioning bulge 5,6.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the transmission lock box with positioning and self-locking functions in this embodiment includes a box body 1, a transmission rod 2 in sliding fit with the box body 1, a positioning assembly, a rotating shaft member 4, and an elastic fastener 5.

In this embodiment, the box body 1 includes a first housing 1a and a second housing 1b, and the first housing 1a and the second housing 1b are connected by screws. The box body 1 is provided with a guide sliding chute 14 for guiding the transmission rod 2 to slide, and the sliding fit between the box body 1 and the transmission rod 2 is realized through the guide sliding chute 14.

The positioning assembly comprises a positioning piece 31, a screw 32, a worm wheel 33 and a worm 34. The left side and the right side or two sides of the box body 1 are provided with positioning through holes 11 which are matched with the positioning pieces 31 in a rotation stopping manner, specifically, in the embodiment, the side parts of the positioning pieces 31 are provided with rotation stopping strips 311, and the positioning through holes 11 are provided with rotation stopping grooves 111 which are matched with the rotation stopping strips 311.

The screw rod 32 is coaxially connected with the worm wheel 33, the screw rod 32 is further in threaded connection with the positioning piece 31, the rotation stopping matching between the positioning through hole 11 and the positioning piece 31 can be realized through the mutual matching of the rotation stopping strip 311 and the rotation stopping groove 111, and the positioning piece 31 can be prevented from rotating, so that a ball screw pair is formed between the positioning piece 31 and the screw rod 32.

The worm wheel 33 is meshed with the worm 34, the front surface of the box body 1 is provided with an operation hole 12 aligned with the end part of the worm 34, in the embodiment, a supporting seat 13 rotationally connected with the worm 34 is formed in the box body 1, the end part of the worm 34 is provided with a hexagonal hole 341, and the worm 34 can be driven to rotate by matching a hexagonal wrench with the hexagonal hole 341. The drive rod 2 is provided with an avoiding groove 22 extending along the sliding direction of the drive rod 2, the avoiding groove 22 is always aligned with the end parts of the operation hole 12 and the worm 34 in the sliding stroke of the drive rod 2, and the avoiding groove 22 is always aligned with the end parts of the operation hole 12 and the worm 34 in the sliding stroke, so that the avoiding groove 22 can avoid parts such as a hexagonal wrench and the like to enable the parts to smoothly extend into the end part of the worm 34.

The left side or the right side of the box body 1 is rotatably connected with a rotating shaft part 4, and a rack part 21 is formed on the inner side of the box body 1 of the transmission rod 2. The rotating shaft member 4 is further formed with a positioning portion 42, the box body 1 is further provided with an elastic fastener 5 therein, the periphery of the positioning portion 42 is formed with a plurality of positioning grooves 421, the elastic fastener is formed with positioning protrusions 51 matched with the positioning grooves 421, in addition, in the embodiment, the number of the positioning protrusions 51 is two, the number of the positioning grooves 421 is even, and the positioning grooves 421 are annularly arranged and distributed around the axis of the rotating shaft member 4. The two positioning protrusions 51 can improve the stability of the locking structure between the positioning portion 42 and the elastic fastener 5, and at the same time, because the number of the positioning grooves 421 is even and the positioning grooves 421 are annularly arranged around the axis of the rotating shaft 4, it can be ensured that both the two positioning protrusions 51 can be simultaneously matched and locked with the two positioning grooves 421. The positioning groove 421 and the positioning protrusion 51 cooperate with each other to lock the rotating shaft member 4 at the current angle, so that the lock box is maintained in the locked or unlocked state. When the rotating shaft member 4 needs to be rotated, the rotating shaft member 4 can be twisted with a large force, so that the positioning protrusions 51 are elastically deformed to be separated from the positioning grooves 421.

The shaft member 4 is formed with a gear portion 41 engaged with the rack portion 21, and the shaft member 4 is formed with a square shaft hole 43, and can be connected to a member such as a handle by the square shaft hole 43.

Referring to fig. 6 and 7, in the present embodiment, the transmission lock box is used as follows: the usable spanner of user etc. instrument stretches into in the handle hole 12 and twists worm 34 and rotate, worm 34 drives worm wheel 33 when rotating and rotates, because worm wheel 33 and screw rod 32 coaxial coupling, constitute ball screw pair between its setting element 31 and the screw rod 32, consequently setting element 31 can stretch out and draw back under the screw rod 32 drives, can put into the mounting groove of door and window section bar 6 the lock box earlier when installing, thereby it installs the lock box on door and window section bar 6 to drive setting element 31 through twisting worm 34 and stretch out its mounting groove lock joint with section bar 6 afterwards.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a transmission lock box of area location and self-locking function, including box body (1) and with box body (1) sliding fit's transfer line (2), its characterized in that: still including locating component, locating component is including setting element (31), screw rod (32), worm wheel (33) and worm (34), one side or both sides are opened about box body (1) have with setting element (31) spline complex positioning hole (11), screw rod (32) and worm wheel (33) coaxial coupling and screw rod (32) still with setting element (31) threaded connection, worm wheel (33) and worm (34) intermeshing, box body (1) openly is opened have with the operation hole (12) of worm (34) tip mutual alignment.

2. The transmission lock box with the positioning and self-locking functions as claimed in claim 1, characterized in that: the side of the positioning piece (31) is provided with a rotation stopping strip (311), and the positioning through hole (11) is provided with a rotation stopping groove (111) matched with the rotation stopping strip (311).

3. The transmission lock box with the positioning and self-locking functions as claimed in claim 1, characterized in that: a bearing seat (13) rotationally connected with a worm (34) is formed in the box body (1), and a hexagonal hole (341) is formed in the end part of the worm (34).

4. The transmission lock box with positioning and self-locking functions as claimed in claim 1, wherein: the left side or the right side of box body (1) are rotated and are connected with pivot spare (4), transfer line (2) are formed with rack portion (21) in box body (1) inboard, pivot spare (4) are formed with gear portion (41) with rack portion (21) meshing.

5. The transmission lock box with the positioning and self-locking functions as claimed in claim 4, wherein: the rotating shaft piece (4) is provided with a positioning part (42), an elastic fastener (5) is further arranged in the box body (1), a plurality of positioning grooves (421) are formed in the periphery of the positioning part (42), and positioning protrusions (51) matched with the positioning grooves (421) are formed in the elastic fastener.

6. The transmission lock box with the positioning and self-locking functions as claimed in claim 5, wherein: the number of the positioning protrusions (51) is two, the number of the positioning grooves (421) is even, and the positioning grooves (421) are distributed around the axis of the rotating shaft member (4) in an annular arrangement manner.

7. The transmission lock box with positioning and self-locking functions as claimed in claim 4, wherein: the rotating shaft piece (4) is provided with a square shaft hole (43).

8. The transmission lock box with the positioning and self-locking functions as claimed in claim 1, characterized in that: the box body (1) is provided with a guide chute (14) for guiding the transmission rod (2) to slide.

9. The transmission lock box with the positioning and self-locking functions as claimed in claim 1 or is characterized in that: the box body (1) comprises a first shell (1 a) and a second shell (1 b), and the first shell (1 a) is connected with the second shell (1 b) through screws.

10. The transmission lock box with the positioning and self-locking functions as claimed in claim 1 or is characterized in that: the transmission rod (2) is provided with an avoidance groove (22) extending along the sliding direction of the transmission rod (2), and the avoidance groove (22) is always aligned with the end parts of the operation hole (12) and the worm (34) in the sliding stroke of the transmission rod (2).