CN217326816U

CN217326816U - Safety lock tongue multi-point transmission box

Info

Publication number: CN217326816U
Application number: CN202220185074.7U
Authority: CN
Inventors: 黎永光
Original assignee: Foshan Chenlang Metal Products Co ltd
Current assignee: Foshan Chenlang Metal Products Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-30
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to the technical field of transmission boxes, in particular to a safe spring bolt multipoint transmission box, which comprises a transmission box body, wherein the side surface of the transmission box body is provided with a spring bolt structure protruding outwards, the spring bolt structure comprises a spring bolt, spring bolt glue, a steel sheet and a telescopic spring, a limiting pressure spring for limiting the moving range of the steel sheet is arranged in the transmission box body, the transmission box body is provided with a pair of movable nut structures which are symmetrically arranged, a square hole rotating shaft is arranged between the movable nut structures, a steel plectrum is hinged between the steel sheet and the square hole rotating shaft, one end of the steel plectrum is abutted against the side surface of the square hole rotating shaft, the other end is clamped with the steel sheet, a pull rod is rotatably connected with the square hole rotating shaft, a reset spring matched with the pull rod is arranged in the transmission box body, the installation direction of the spring bolt can be adjusted, and the spring bolt has better silencing effect when being rubbed with metal, the internal transmission structure is stable and reliable, and the automatic locking of the window sash and the window frame can be realized.

Description

Safety lock tongue multi-point transmission box

Technical Field

The utility model relates to a transmission box technical field, concretely relates to safe spring bolt multiple spot transmission box.

Background

The transmission box is used for installing the window sash, when the existing window sash is installed, because the lock tongue of the transmission box is fixed to face a certain specific direction, the lock tongue cannot rotate and can only be installed basically according to the fixed direction, the installation is inconvenient under certain conditions, when the window is opened and closed, the lock tongue and the metal buckle seat rub with each other to generate harsh sound, the existing transmission box basically does not pay attention to and solve the problem, when the lock tongue is popped out or retracted, the transmission relation among parts is not tight enough, so that the problem is easy to occur in the transmission process, the reliability is low, the transmission box for the casement window basically has no function of automatically locking and closing the window frame, the window frame cannot be automatically locked when being overlapped, the window can be locked only through the transmission of a handle, if the handle is forgotten to control the locking, the window is easy to blow open when blowing wind, and the window sash and the window frame are overlapped, the lock can not be automatically attached to the contact surface of the window sash and the window frame, and the window sash and the window frame can not be self-locked after being closed, so that the safety is low, and an automatic safety lock tongue multipoint transmission box is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical defect to existence in the background art, the utility model provides a safe spring bolt multiple spot transmission box has solved above-mentioned technical problem and has satisfied the actual demand, and concrete technical scheme is as follows:

a safe spring bolt multipoint transmission box comprises a transmission box body, wherein a spring bolt structure protruding outwards is arranged on the side surface of the transmission box body, the spring bolt structure comprises a spring bolt, spring bolt glue, a steel sheet and a telescopic spring, the spring bolt glue is clamped on the spring bolt and is flush with the surface of the spring bolt, a rotating shaft is arranged on one side of the spring bolt positioned in the transmission box body, the spring bolt is hinged with the steel sheet through the rotating shaft, a limiting pressure spring for limiting the moving range of the steel sheet is arranged in the transmission box body, a pair of symmetrically arranged movable nut structures is arranged through the transmission box body, a square hole rotating shaft is arranged between the movable nut structures, the telescopic spring is sleeved outside the rotating shaft, the end part of the telescopic spring extends to the movable nut structure, a steel plectrum is hinged between the steel sheet and the square hole rotating shaft, one end of the steel plectrum is abutted against the side surface of the square hole rotating shaft, the other end of the steel sheet is clamped with the steel sheet, and the square hole rotating shaft is rotatably connected with a pull rod, and a return spring matched with the pull rod is arranged in the transmission box body.

As a further technical scheme of the utility model, with be equipped with the pothook on the spring bolt glue of spring bolt joint department, be equipped with on the spring bolt with pothook assorted draw-in groove.

As a further technical scheme of the utility model, the nut cover outside movable nut spare is located including movable nut spare and cover to the movable nut structure, nut cover and transmission box body fixed connection, the both ends of movable nut spare all are equipped with the spacing hook that a pair of diagonal angle set up.

As a further technical scheme of the utility model, the side of activity nut spare is equipped with spacing recess, the inboard of nut cover be equipped with spacing recess assorted spacing bump.

As a further technical scheme of the utility model, be equipped with swing arm connection and axially parallel's first axis of rotation in the square hole pivot, be equipped with the second axis of rotation in the transmission box body, be equipped with connecting portion on the pull rod, the one end that the steel plectrum is close to the square hole pivot is cup jointed in the second axis of rotation, connecting portion and square hole pivot are passed through first axis of rotation and are connected.

As a further technical scheme of the utility model, the side of square hole pivot is equipped with the spacing section of restriction steel plectrum rotation range, spacing section is the circular arc section, the steel plectrum is close to the one end and the spacing section butt of square hole pivot.

As a further technical scheme of the utility model, be equipped with standing groove and mounting groove that correspond with spacing pressure spring and steel sheet in the transmission box body respectively.

As a further technical scheme of the utility model, with the opposite one side of spring bolt is equipped with the knot seat that is used for installing the transmission box body, transmission box body overcoat has the steel clamping piece.

Compared with the prior art, the utility model discloses the beneficial effect who has lies in: when specifically using, the spring bolt can be pulled out and rotate, the orientation of adjustment spring bolt, the subsequent installation of transmission box of being convenient for, and still be equipped with the spring bolt glue in the spring bolt, when the spring bolt is flexible, it is less with the friction of metal, there is fine noise cancelling effect, and through square hole pivot and pull rod, the steel plectrum, the mutual cooperation of structures such as steel sheet, principle transmission through connecting rod + lever, the transmission links up closely between each part, make the inside function of transmission box stable, the reliability is higher, through the mutual cooperation of spring bolt and the spring structure in the transmission box, when casement and window frame coincide, realize automatic locking, need not to control the handle locking, and after casement and window frame coincide, can hug closely on contact surface between them automatically, blow the window open when avoiding blowing, casement and window frame are closed the back, realize the auto-lock of window frame and casement through the transmission box, and the security performance is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the interior of the transmission case.

Fig. 3 is a schematic structural view of the interior of the transmission case.

Fig. 4 is a schematic structural view of the nut sleeve.

Fig. 5 is a schematic view of the structure of the movable nut member.

Fig. 6 is a schematic structural view of the placement groove.

Fig. 7 is a schematic structural view of the locking tongue.

Fig. 8 is a schematic structural view of a square hole rotating shaft.

Wherein: the lock bolt comprises a transmission box body 1, a lock bolt structure 2, a lock bolt 201, a lock bolt glue 202, a steel sheet 203, a telescopic spring 204, a rotating shaft 3, a limiting compression spring 4, a movable nut structure 5, a movable nut piece 501, a nut sleeve 502, a square hole rotating shaft 6, a steel shifting sheet 7, a pull rod 8, a return spring 9, a clamping hook 10, a clamping groove 11, a limiting hook 12, a limiting groove 13, a limiting convex point 14, a first rotating shaft 15, a second rotating shaft 16, a connecting part 17, a limiting section 18, a placing groove 19, a mounting groove 20, a buckling seat 21 and a steel clamping sheet 22.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

Referring to fig. 1 to 8, in order to illustrate an embodiment of the present invention, a multi-point transmission box of a safety lock tongue 201 is introduced, which comprises a transmission box body 1, wherein a lock tongue structure 2 protruding outward is disposed on a side surface of the transmission box body 1, the lock tongue structure 2 comprises a lock tongue 201, a lock tongue glue 202, a steel sheet 203, and a retractable spring 204, the lock tongue glue 202 is clamped on the lock tongue 201 and flush with a surface thereof, a rotating shaft 3 is disposed on one side of the lock tongue 201 located inside the transmission box body 1, the lock tongue 201 is hinged to the steel sheet 203 through the rotating shaft 3, a limiting pressure spring 4 for limiting a moving range of the steel sheet 203 is disposed in the transmission box body 1, a pair of symmetrically disposed movable nut structures 5 is disposed through the transmission box body 1, a square hole rotating shaft 6 is disposed between the movable nut structures 5, the retractable spring 204 is sleeved outside the rotating shaft 3 and an end portion extends to the movable nut structure 5, a steel shifting sheet 7 is hinged between the steel sheet 203 and the square hole rotating shaft 6, one end of the steel shifting piece 7 is abutted against the side face of the square hole rotating shaft 6, the other end of the steel shifting piece is clamped with the steel sheet 203, the square hole rotating shaft 6 is rotatably connected with the pull rod 8, and a reset spring 9 matched with the pull rod 8 is arranged in the transmission box body 1.

In the middle of this embodiment, the transmission box is installed on the casement, mutually supports with the window frame, controls opening and closing of window through control spring bolt structure 2, and the spring bolt structure 2 of transmission box is outside flexible, detains the mutual lock of seat 21 with the outside, and opening and closing of control window at first, the utility model discloses the state shown in figures 1, 2, 3 is the shutting state, and at this moment, square hole pivot 6 is in-90 position, and reset spring 9 withstands pull rod 8 and makes its locking, consequently, when casement and window frame are closed, no matter spring bolt 201 withdraws or resets, casement and window frame all keep the shutting state unchangeable, and the window can't be opened. If the square hole rotating shaft 6 is to enter the non-locking state, firstly, the square hole rotating shaft 6 needs to rotate 90 degrees to 0 degrees counterclockwise by taking the figure 2 as a reference, at the moment, the square hole rotating shaft 6 drives the pull rod 8 to compress the return spring 9, the square hole rotating shaft 6 establishes a lever + connecting rod connection relationship through the steel sheet 203 and the steel shifting sheet 7, and finally connected with the bolt 201 in a transmission way, at this time, the bolt 201 still keeps the popping state under the action of the extension spring 204, if the window sash is separated from the window frame at this time, when the two are required to be closed, the lock tongue 201 can realize the closing of the window sash and the window frame through retraction, change from a closed state to an open state, the square hole rotating shaft 6 needs to rotate counterclockwise continuously in the direction of 90 degrees, so that the square hole rotating shaft compresses the telescopic spring 204 and drives the lock tongue 201 to retract through the connection relation between the lever and the connecting rod between the steel shifting piece 7 and the steel sheet 203, and the separation of the window sash and the window frame is realized.

The aforesaid is the utility model discloses a description of basic action process, in addition, based on the utility model discloses a spring bolt 201's structure, can realize the orientation change of spring bolt 201, and then realize the utility model discloses a quick installation adjustment work of transmission box, concrete step flow is, at first outwards stimulate spring bolt 201, steel sheet 203 can compress spacing pressure spring 4, thereby the length of outside pulling out of restriction tongue lock 201, rotatable spring bolt 201 this moment promptly, make spring bolt 201 revolute axle 3 and rotate 180 after that, accomplish the adjustment of spring bolt 201 direction, loosen spring bolt 201 at last, spacing pressure spring 4 resets, make steel sheet 203 inwardly moved, thereby drive spring bolt 201 inwardly moved, thereby accomplish the adjustment of spring bolt 201 direction, the installation of the transmission box of being convenient for.

It should be noted that the spring bolt glue 202 is plastic, and will not directly rub against the metal surface, so that the spring bolt glue 202 plays a role in silencing, when opening and closing the window, it is ensured that the spring bolt 201 will not generate strong ear-piercing sound with the metal buckle seat 21, the use is more comfortable, and the spring bolt glue 202 is directly clamped on the spring bolt 201, the installation is simple and practical, the mutual cooperation and not easy to fall off are ensured, the stable operation of the spring bolt structure 2 is ensured, and no noise is generated, the spring bolt 201 can be pulled out, the orientation of the spring bolt 201 is adjusted, the transmission box is conveniently adjusted and installed, and the transmission structure inside the transmission box body 1 is mutually matched, so that the transmission box is more stable and reliable, is used for being installed on the window sash and mutually matched with the window frame, so as to control the opening and closing of the window, the spring bolt structure 2 in the transmission box is mutually matched with the expansion spring 204 and the limit spring 4, so that when the window sash and the window frame are tightly closed and overlapped, the window sash and the window frame can be automatically attached to the contact surface of the window sash and the window frame, and the window is prevented from being blown open by wind.

Please refer to fig. 1 to 7, which are shown as the preferred embodiment of the present invention, the latch bolt glue 202 of the latch bolt 201 clamping position is provided with a hook 10, the latch bolt 201 is provided with a slot 11 matched with the hook 10, the latch bolt glue 202 is provided with a clamping bar, the latch bolt glue 202 is used in cooperation with the latch bolt 201, the hook 10 on the latch bolt glue 202 is clamped in the slot 11 of the latch bolt 201, so as to fix the latch bolt glue 202, and the latch bolt glue 202 does not fall off when being mutually matched, and the installation method is simple and convenient.

Referring to fig. 1 to 6, as a preferred embodiment of the present invention, the movable nut structure 5 includes a movable nut 501 and a nut sleeve 502 sleeved outside the movable nut 501, the nut sleeve 502 is fixedly connected to the transmission box body 1, a pair of limiting hooks 12 arranged diagonally is disposed at both ends of the movable nut 501, the limiting hooks 12 are disposed at corners of the side of the movable nut 501, each corner of the side has a limiting hook 12 for stably limiting the length of the movable nut 501, the nut sleeve 502 is fixed in the transmission box, when the movable nut 501 needs to be pulled out, the nut sleeve 502 is used for limiting the maximum length of the movable nut 501, and is limited by the limiting hooks 12 on the movable nut 501, so that the movable nut 501 can be pulled out to both sides of the transmission box, but cannot be pulled out completely.

Referring to fig. 2 to 5, as a preferred embodiment of the present invention, a limiting groove 13 is disposed on a side surface of the movable nut 501, a limiting protrusion 14 matched with the limiting groove 13 is disposed on an inner side of the nut sleeve 502, and if the movable nut sleeve 502 does not need to be pulled out to both sides, the limiting protrusion 14 in the nut sleeve 502 is clamped in the limiting groove 13 in the movable nut 501, so that the movable nut 501 and the nut sleeve 502 are clamped to each other to limit the position of the movable nut 501.

Referring to fig. 1 to 7, as a preferred embodiment of the present invention, a first rotating shaft 15 connected by a swing arm and parallel to the axial direction is provided on the square hole rotating shaft 6, a second rotating shaft 16 is provided in the transmission case 1, a connecting portion 17 is provided on the pull rod 8, one end of the steel pulling plate 7 close to the square hole rotating shaft 6 is sleeved on the second rotating shaft 16, the connecting portion 17 and the square hole rotating shaft 6 are rotatably connected by the first rotating shaft 15, in this embodiment, the first rotating shaft 15 on the square hole rotating shaft 6 is located in the connecting portion 17 of the pull rod 8, the square hole rotating shaft 6 and the pull rod 8 are rotatably connected by the first rotating shaft 3, the steel pulling plate 7 is sleeved on the second rotating shaft 16, the steel pulling plate 7 rotates around the second rotating shaft 3, the square hole rotating shaft 6 and the steel pulling plate 7 are engaged with each other by the outer surface, as shown in fig. 2, when the square hole rotating shaft 6 further rotates counterclockwise, the steel shifting piece 7 is driven to rotate clockwise around the second rotating shaft 16, and then the subsequent moving steps are realized by hooking the steel piece 203.

Please refer to fig. 1 to 3, which are preferred embodiments of the present invention, the side of the square hole shaft 6 is provided with a limiting section 18 for limiting the rotation range of the steel shifting piece 7, the limiting section 18 is an arc section, one end of the steel shifting piece 7 close to the square hole shaft 6 abuts against the limiting section 18, one end of the steel shifting piece 7 contacts with the limiting section 18 of the square hole shaft 6, and the limiting section is an 18-bit arc section, when the square hole shaft 6 rotates, the steel shifting piece 7 can be driven by the arc section of the limiting section 18 to move together with the end part matched with the steel shifting piece 7, the steel shifting piece 203 is further driven to move by the relationship of hooking the end of the lock tongue 201 and the steel piece 203 after the steel shifting piece 7 rotates around the shaft, and a transmission relationship of lever and connecting rod is formed between the steel shifting piece and the steel piece 203.

Referring to fig. 2, 3 and 6, as a preferred embodiment of the present invention, a placing groove 19 and a mounting groove 20 are respectively disposed in the transmission case 1, the placing groove 19 is used for placing a limiting compression spring 4 for compressing the limiting compression spring 4, and the mounting groove 20 is used for placing a steel piece 203 in the mounting groove 20, so that the steel piece 203 can move in the mounting groove 20.

Referring to fig. 1 to 2, as a preferred embodiment of the present invention, a fastening seat 21 for mounting the transmission box body 1 is disposed on one side opposite to the lock tongue 201, a steel clip 22 is sleeved outside the transmission box body 1, and the fastening seat 21 is fixed by screws, is mounted in a notch of a window frame, is inserted into and locked with the lock tongue 201 of the transmission box body 1, and can be finely adjusted; the steel clip 22 is fixed to the transmission case by screws.

In the utility model, after the window sash and the window frame are closed, no matter the square hole rotating shaft 6 is in the state of 0 degree or-90 degrees, the extension spring 204 can drive the lock tongue 201 to maintain the pop-up state, the difference is only in the state of-90 degrees, even if the lock tongue 201 fails and retracts, the reliability of locking can not be influenced, and in the state of 0 degrees, when the window sash and the window frame are separated and are in the open state of the window, at the moment, the lock tongue 201 can also retract into the transmission box elastically as long as the window sash and the window frame are closed, the lock tongue and the window frame are reset and popped out after being closed, the separation of the window sash and the window frame is avoided, and in the state of 0 degrees, the lock tongue 201 can be driven to retract by further driving the square hole rotating shaft 6 to rotate towards the direction of 90 degrees, thus the window can be pushed open, the separation of the window sash and the window frame is completed, to sum up, the utility model has the advantages of simple and reliable structure, convenient operation, and the multi-point transmission ensures that the distinguishing between each state is obvious and not interfered with each other, and the setting of the adjustment structure of spring bolt glue 202 and spring bolt 201 makes again the utility model discloses possess more extensive application scene and more nimble application mode, avoided the apparent noise that 2 motions of spring bolt structure produced, consequently safe practical, both closed backs of casement and window frame in addition, spring bolt 201 in the transmission box can keep popping out the state always, realizes the automatic locking of casement and window frame, has improved the security.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Safe spring bolt multiple spot transmission box, including transmission box body (1), its characterized in that, transmission box body (1) side is equipped with outside convex spring bolt structure (2), spring bolt structure (2) include spring bolt (201), spring bolt glue (202), steel sheet (203), expanding spring (204), spring bolt glue (202) card is established on spring bolt (201) and rather than the surface parallel and level, one side that spring bolt (201) lie in transmission box body (1) inside is equipped with pivot (3), spring bolt (201) are articulated through pivot (3) and steel sheet (203), be equipped with spacing pressure spring (4) of restriction steel sheet (203) displacement range in the transmission box body (1), run through transmission box body (1) is equipped with movable nut structure (5) that a pair of symmetry set up, be equipped with square hole pivot (6) between movable nut structure (5), expanding spring (204) cover is established outside pivot (3) and the tip extends to movable nut structure (5), articulated between steel sheet (203) and square hole pivot (6) have steel plectrum (7), the one end of steel plectrum (7) and the side butt of square hole pivot (6), the other end and steel sheet (203) joint, with square hole pivot (6) rotate and are connected with pull rod (8), be equipped with in the transmission box body (1) with pull rod (8) complex reset spring (9).

2. The multipoint transmission box of the safety lock tongue according to claim 1, characterized in that a hook (10) is arranged on the lock tongue glue (202) at the joint of the lock tongue (201), and a clamping groove (11) matched with the hook (10) is arranged on the lock tongue (201).

3. The multipoint transmission box of the safety lock tongue according to claim 1, characterized in that the movable nut structure (5) comprises a movable nut member (501) and a nut sleeve (502) sleeved outside the movable nut member (501), the nut sleeve (502) is fixedly connected with the transmission box body (1), and a pair of limiting hooks (12) arranged diagonally are arranged at both ends of the movable nut member (501).

4. The multipoint transmission box of the safety lock tongue according to claim 3, characterized in that the side of the movable nut member (501) is provided with a limit groove (13), and the inner side of the nut sleeve (502) is provided with a limit bump (14) matched with the limit groove (13).

5. The multipoint transmission box for the safety lock bolt according to claim 1, characterized in that a first rotating shaft (15) which is connected through a swing arm and is axially parallel is arranged on the square hole rotating shaft (6), a second rotating shaft (16) is arranged in the transmission box body (1), a connecting portion (17) is arranged on the pull rod (8), one end, close to the square hole rotating shaft (6), of the steel shifting piece (7) is sleeved on the second rotating shaft (16), and the connecting portion (17) and the square hole rotating shaft (6) are rotatably connected through the first rotating shaft (15).

6. The multipoint transmission box of the safety lock bolt according to claim 1, characterized in that the side of the square hole rotating shaft (6) is provided with a limiting section (18) for limiting the rotation range of the steel plectrum (7), the limiting section (18) is an arc section, and one end of the steel plectrum (7) close to the square hole rotating shaft (6) is abutted against the limiting section (18).

7. The multipoint transmission box of the safety bolt according to claim 1, characterized in that the transmission box body (1) is provided with a placing groove (19) and a mounting groove (20) corresponding to the limiting compression spring (4) and the steel sheet (203), respectively.

8. The multipoint transmission box for the safety lock tongue according to claim 1, characterized in that a fastening seat (21) for installing a transmission box body (1) is arranged on one side opposite to the lock tongue (201), and a steel clamping piece (22) is sleeved outside the transmission box body (1).