CN219974140U - Quick connecting device for connecting handle and lock tongue rotating square shaft - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a quick connecting device for connecting a handle and a lock tongue rotating square shaft. The locking device comprises a handle, a lock tongue rotating square shaft and a lock tongue rotating square shaft locking device, wherein the lock tongue rotating square shaft locking device comprises a combined sleeve, a marble, a spring, a gland and a locking strip-shaped circular arc groove, the combined sleeve is fixed on the handle, a square hole is formed in the combined sleeve, the locking strip-shaped circular arc groove is formed in the lock tongue rotating square shaft, a spring mounting hole is formed in the combined sleeve corresponding to the locking strip-shaped circular arc groove, a strip-shaped opening groove communicated with the locking strip-shaped circular arc groove is formed in the spring mounting hole, and the marble is locked in the locking strip-shaped circular arc groove through the spring by the gland. The quick connecting device is used for connecting the handle with the lock tongue rotating square shaft, so that the lock is used for a long time, and the handle is not easy to loosen. Compared with the prior art, the automatic compensation device has the advantages of convenience and rapidness in mounting and dismounting, high connection locking force, automatic compensation and the like.

Description

Quick connecting device for connecting handle and lock tongue rotating square shaft

Technical Field

The utility model relates to the technical field of locks, in particular to a quick connecting device for connecting a handle and a lock tongue rotating square shaft.

Background

In the past, the handle of tool to lock and the connecting device who rotates the square shaft with the spring bolt are rotated the square shaft by the spring bolt and are carried out axial cooperation with the square hole of establishing on the handle sleeve head and are connected, will handle the head simultaneously and rotate the square shaft with the spring bolt through the screw and fix, its weak point:

1. the handle is easy to loosen. The handle sleeve head and the lock tongue are fixed through a small screw in a locking mode, the screw is easy to loosen along with the increase of the swinging use times of the handle, and the screw hole are easy to damage teeth, so that the existing lockset can loosen the handle and fall off the handle when the existing lockset is not used for a long time, and even scrapping is caused.

2. The precision of the fit clearance between the handle head and the square shaft for rotating the lock tongue is difficult to control. The handle head and the lock tongue rotate and cooperate with the square shaft through the square hole, if the fit clearance between the square hole and the square shaft is small, the manufacturing size is difficult to ensure, the assembly is inconvenient, if the fit clearance is large, the handle and the square bar can be loose, the accurate angles of the inner handle and the outer handle cannot be ensured, the inner handle and the outer handle cannot be kept parallel, the attractive appearance of the lock is influenced, and the installation is inconvenient.

Disclosure of Invention

The utility model aims to design a quick connecting device for connecting a handle and a lock tongue rotating square shaft, so that a lockset is used for a long time, and the handle is not easy to loosen.

In order to achieve the above purpose, the present utility model adopts the following technical solutions: the utility model provides a connect handle and spring bolt to rotate quick connecting device of square shaft, it contains handle, spring bolt rotation square shaft and spring bolt rotation square shaft locking device, its characterized in that spring bolt rotation square shaft locking device contains combination cover, marble, spring, gland and locking rectangular circular arc groove, wherein:

the combined sleeve is fixed in a handle sleeve head on the handle, a square hole is arranged in the combined sleeve, the locking strip-shaped circular arc groove is formed in the lock tongue rotating square shaft, the lock tongue rotating square shaft penetrates through the square hole, a spring mounting hole is formed in the combined sleeve corresponding to the locking strip-shaped circular arc groove, a strip-shaped opening groove communicated with the locking strip-shaped circular arc groove is formed in the spring mounting hole, the spring and the spring are mounted in the spring mounting hole, and the spring is locked in the locking strip-shaped circular arc groove through the spring by the gland.

The utility model further provides the following technical scheme for quick installation and convenient installation and disassembly: the combined sleeve comprises an outer sleeve and an inner sleeve, the inner sleeve is connected with the outer sleeve in an axially movable fit manner, a rotation limiting device is arranged, the rotation limiting device comprises a poking lug and a limiting seat, the poking lug is arranged on the outer sleeve, the limiting seat is arranged on the inner sleeve, a 7-9-degree rotation limiting angle is formed between the poking lug and the limiting seat, a sliding groove is formed in the inner sleeve on one side of the bottom of a spring mounting hole, the spring mounting hole is communicated with the sliding groove, a sliding block is arranged on the sliding groove, a marble hole is formed in the sliding block, the marble hole is connected with one side of a marble in a matched manner, and two ends of the sliding block are connected with the poking lug.

In order to further improve the locking force on the square rotating shaft of the lock tongue, the technical scheme is further provided with: the inner side surface of the bottom of the spring mounting hole is provided with a wedge pressing surface, and the pressing cover locks the marble in the locking strip circular arc groove through the spring and the wedge pressing surface.

Drawings

Fig. 1 is a schematic exploded view of the structure of the present embodiment.

Fig. 2 is a front sectional view of the present embodiment.

Fig. 3 is a sectional view taken along line B-B of fig. 2.

Fig. 4 is a cross-sectional view taken along line C-C of fig. 3.

Fig. 5 is a sectional view taken along D-D of fig. 3.

Fig. 6 is a sectional view of the inner sleeve according to the present embodiment.

Detailed Description

As shown in fig. 1 and 2, this embodiment includes a handle 2, a square shaft 1 for turning a lock tongue, and a square shaft locking device for turning a lock tongue, where the square shaft locking device for turning a lock tongue includes a combination sleeve 332, a marble 35, a spring 36, a gland 37, and a locking strip arc groove 30, where:

the combined sleeve 332 comprises an outer sleeve 33 and an inner sleeve 32, the combined sleeve 332 is fixed in the handle sleeve head 21 on the handle 2 through the outer sleeve 33, the square hole 31 is arranged on the inner sleeve 32, and the lock tongue rotating square shaft 1 passes through the square hole 31;

the inner sleeve 32 is connected with the outer sleeve 33 in an axially movable fit manner, and is provided with a rotation limiting device, the rotation limiting device comprises a poking lug 38 and a limiting seat 39, the poking lug 38 is arranged on the outer sleeve 33, the limiting seat 39 is arranged on the inner sleeve 32, and a 7-9-degree rotation limiting angle is formed between the poking lug 38 and the limiting seat 39 (shown in fig. 5);

the locking strip arc groove 30 is arranged on the lock tongue rotation square shaft 1;

as shown in fig. 6, the inner sleeve 32 corresponding to the locking long circular arc groove 30 is provided with a spring mounting hole 43, the spring mounting hole 43 is provided with a strip-shaped opening groove 44 communicated with the locking long circular arc groove 30, the inner side surface of the bottom of the spring mounting hole 43 is provided with a wedge pressing surface 42, the inner sleeve 32 at one side of the bottom of the spring mounting hole 43 is provided with a sliding groove 40, the spring mounting hole 43 is communicated with the sliding groove 40, as shown in fig. 4, the sliding groove 40 is provided with a sliding block 34, the sliding block 34 is provided with a marble hole 41, the marble hole 41 is matched and connected with one side of the marble 35, and two ends of the sliding block 34 are connected with the poking lugs 38.

As shown in fig. 3 and 6, the pins 35 and the springs 36 are mounted in the spring mounting holes 43, the pins 35 are locked in the locking elongated circular arc grooves 30 and the pin holes 41 by the pressing cover 37 through the springs 36 and the wedge pressing surfaces 42, the pressing cover 37 is fixed on the inner sleeve 32 by the fixing screw 3 (as shown in fig. 2), and the inner sleeve 32 is fixed on the handle sleeve head 21 of the handle 2 through the locking screw 4 and the pressing cover 37.

The installation of the embodiment comprises two steps of factory assembly and field installation:

first, the lock tongue rotating square shaft locking device is assembled in a factory. The outer sleeve 33 and the inner sleeve 32 are axially assembled, the sliding block 34 is placed in the sliding groove 40 of the inner sleeve 32, the marble 35 and the spring 36 are placed in the spring mounting hole 43 of the inner sleeve 32, then the marble 35 and the spring 36 are pressed in the spring mounting hole 43 by the fixing screw 8 and the pressing cover 37, one side of the marble 35 is tightly pressed in the marble hole 41 under the action of the pressing force of the spring 36, the other side of the marble 35 is tightly pressed on the strip-shaped open groove 44, the outer sleeve 33 is limited between the pressing cover 37 and the limiting seat 39, and the combined sleeve 332 is assembled. After that, the combination sleeve 332 is fixed to the handle sleeve head 21, and the inner sleeve 32 in the combination sleeve 33 is fixed to the handle sleeve head 21 of the handle 2 by the locking screw 4 and the pressing cover 37, so that the inner sleeve 32 and the outer sleeve 33 cannot rotate relative to each other.

The lock tongue rotates the assembly of square shaft locking device and is fixed with handle 2, installs the debugging before the product leaves the factory.

And secondly, installing the field application. The lock installation teacher only needs to sleeve the square hole in the combined sleeve 332 assembled on the handle in the first step into the lock bolt rotating square shaft 1, the spring 35 automatically locks the lock bolt rotating square shaft 1 through the locking long-strip circular arc groove 30 under the action of the pressing force of the wedge pressing surface 42 and the spring 36, the installation is very quick and convenient, the spring 36 automatically compensates the tightness of the lock bolt rotating square shaft at any time, and the lock bolt rotating square shaft is not easy to loosen and pull out after long-term use.

In addition, if the handle is to be removed, the locking screw 4 is loosened first and then the handle 2 is rotated, the handle sleeve head 21 drives the outer sleeve 33 to rotate together, the outer sleeve 33 rotates by 7-9 degrees under the control of the poking lug 38 and the limiting seat 39, the poking lug 38 on the outer sleeve 33 pushes the sliding block 34 to rotate, the sliding block 34 presses the marble 35 towards the spring direction, and the marble 35 releases the lock tongue rotating square shaft 1 along with the marble 35 leaving the wedge pressing surface 42 on the inner sleeve, so that the handle and the combined sleeve 332 can be removed.

In summary, compared with the prior art, the utility model has the following advantages:

1. the installation and the disassembly are convenient and quick.

2. Can be used for a long time without loosening and easy to pull out.

3. The locking force to the square shaft of the lock tongue rotation is large.

4. The connection locking force can be automatically compensated.

While the foregoing is directed to the preferred embodiment of the present utility model, it should be noted that modifications and improvements could be made by those skilled in the art without departing from the principles of the present utility model, and such modifications should also be considered as falling within the scope of the utility model.

Claims (3)

1. The utility model provides a connect handle and spring bolt and rotate quick connecting device of square shaft, it contains handle (2), spring bolt rotation square shaft (1) and spring bolt rotation square shaft locking device, its characterized in that spring bolt rotation square shaft locking device contains combination cover (332), marble (35), spring (36), gland (37) and locking rectangular circular arc groove (30), wherein:

the combined sleeve (332) is fixed in a handle sleeve head (21) on the handle (2), a square hole (31) is formed in the combined sleeve (332), a locking strip-shaped circular arc groove (30) is formed in a lock tongue rotating square shaft (1), the lock tongue rotating square shaft (1) penetrates through the square hole (31), a spring mounting hole (43) is formed in the combined sleeve (332) corresponding to the locking strip-shaped circular arc groove (30), a strip-shaped opening groove (44) communicated with the locking strip-shaped circular arc groove (30) is formed in the spring mounting hole (43), a marble (35) and a spring (36) are mounted in the spring mounting hole (43), and the marble (35) is locked in the locking strip-shaped circular arc groove (30) through the spring (36) by a gland (37).

2. The quick connecting device for connecting a handle and a rotating square shaft of a lock tongue according to claim 1, characterized in that the combined sleeve (332) comprises an outer sleeve (33) and an inner sleeve (32), the inner sleeve (32) is connected with the outer sleeve (33) in an axially movable fit manner, a rotation limiting device is arranged, the rotation limiting device comprises a poking lug (38) and a limiting seat (39), the poking lug (38) is arranged on the outer sleeve (33), the limiting seat (39) is arranged on the inner sleeve (32), a 7-9-degree rotation limiting angle is formed between the poking lug (38) and the limiting seat (39), a sliding groove (40) is arranged on the inner sleeve (32) on one side of the bottom of a spring mounting hole (43), the spring mounting hole (43) is communicated with the sliding groove (40), a sliding block (34) is arranged on the sliding groove (40), the sliding block (34) is provided with a marble hole (41), the poking lug (41) is connected with one side of the sliding block (35), and the sliding block (34) is connected with two ends of the marble (38).

3. The quick connecting device for connecting a handle and a rotary square shaft of a lock tongue according to claim 2, characterized in that a wedge pressing surface (42) is arranged on the inner side surface of the bottom of the spring mounting hole (43), and the pressing cover (37) locks the marble (35) in the locking strip arc groove (30) through the spring (36) and the wedge pressing surface (42).