CN213627048U - Square tube connecting structure and lockset - Google Patents

Abstract

The utility model provides a square pipe connection structure and tool to lock, its technical scheme main points are square pipe connection structure including side pipe and side pipe core, the square pipe core is inserted and is arranged in the square pipe and can link its rotation, still including connecting the shell fragment between square pipe and side pipe core, the shell fragment with square pipe core joint is fixed, just the shell fragment stretches into to square intraductal fixed with the inner wall along length direction joint of square pipe. The elastic pieces are clamped and fixed with the square tube core and the square tube respectively, so that the square tube core and the square tube are connected and fixed, the square tube core and the square tube are not required to be installed and fixed through screws, rapid assembly can be achieved only through the elastic pieces, and the assembling process is convenient and rapid.

Description

Square tube connecting structure and lockset

Technical Field

The utility model relates to a tool to lock field especially relates to a square pipe connection structure and tool to lock.

Background

The electronic lock generally comprises a handle, a handle head, a square tube and a square tube core, wherein the handle head is installed in the handle and can rotate along with the handle, the square tube core is connected with the handle head and can realize the effect of independent rotation or common rotation under the action of a clutch mechanism, and the square tube is used for driving the bolt to stretch and retract to realize unlocking. The existing square pipe and the square pipe core are usually fastened by screws, and are installed with the help of an installation tool in an auxiliary mode, so that the installation and fastening process is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing a square pipe and the comparatively convenient square union coupling structure of side pipe core group dress.

Another object of the utility model is to provide a tool to lock that adopts above-mentioned square pipe connection structure.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a square pipe connection structure, includes square pipe and square pipe core, square pipe core inserts and arranges in square pipe and can link its rotation, still including connecting in square pipe and the shell fragment between the square pipe core, the shell fragment with square pipe core joint is fixed, just the shell fragment stretches into to square intraductal fixed with the inner wall along length direction joint of square pipe.

Further setting: the side wall of the square pipe is provided with a mounting hole, and the elastic sheet is provided with a deformation part which can elastically deform and can be buckled into the mounting hole to clamp the elastic sheet and the square pipe.

Further setting: the shell fragment includes the basilar part that extends along square pipe length direction, the basilar part with square tube core joint is fixed, just the one end of basilar part turns over and turns over the formation the deformation portion.

Further setting: the square tube core is provided with an inserting hole, and the elastic sheet is vertically connected with an inserting part which can be inserted into the inserting hole.

Further setting: the square tube core is provided with a positioning groove for the base part to be embedded and communicated with the inserting hole.

Further setting: the length of the base part is larger than that of the positioning groove, and one end, close to the deformation part, of the base part extends out of the positioning groove.

Further setting: the inserting portion is provided with a clamping portion capable of being elastically turned over, and a clamping groove for buckling the clamping portion is formed in the inserting hole.

Further setting: one end of the base part, which is far away from the deformation part, is bent and extended to form the insertion part.

Further setting: and the square tube core is provided with a stop step which is abutted against the end part of the square tube.

The utility model also provides a tool to lock, including foretell side's pipe connection structure.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an among the square tube connection structure, fixed with square tube core and square pipe joint respectively with the help of the shell fragment to it is fixed to have realized square tube core and square pipe connection, and both need not to fix through the screw installation, only can realize fast assembly, equipment process convenient and fast through the shell fragment.

2. The utility model relates to a tool to lock in, through adopting foretell side's union coupling structure, reduced the degree of difficulty of tool to lock equipment, improved the packaging efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a lock according to an embodiment of the present invention;

FIG. 2 is an exploded view of a lock according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic cross-sectional view of the square tube core and the elastic piece according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides a square pipe connection structure, including square pipe 1 and square pipe core 2, square pipe core 2 inserts and arranges in square pipe 1 and can link its rotation, and wherein square pipe 1 is the cavity tubulose, and square pipe core 2 inserts the one end in square pipe 1 and is the square column. Be connected with shell fragment 3 between square pipe 1 and the square pipe core 2, shell fragment 3 with the square pipe core 2 joint is fixed, just shell fragment 3 stretches into and fixes along the length direction joint with the inner wall of square pipe 1 in the square pipe 1.

With the help of shell fragment 3 respectively with square pipe core 2 and square 1 joint of pipe fixed to realized square pipe core 2 and square 1 of pipe and connected fixedly, both need not to fix through the screw installation, only can realize fast assembly through shell fragment 3, equipment process convenient and fast.

Further, a mounting hole 11 is formed in the side wall of the square pipe 1, the mounting hole 11 penetrates through the outer side wall of the square pipe 1, and a deformation portion 31 which can be elastically deformed and can be buckled into the mounting hole 11 to enable the elastic sheet 3 to be clamped with the square pipe 1 is arranged on the elastic sheet 3. In other embodiments, the side wall of the square tube 1 may not be provided with the mounting hole 11, and the inner wall of the square tube 1 is provided with a clamping block clamped with the deformation portion 31, and the clamping and fixing are realized by utilizing a clamping and matching structure of the deformation portion 31 and the clamping block.

In this embodiment, the deformation portion 31 on the elastic sheet 3 deforms when the square tube core 2 is inserted into the square tube 1, and elastically resets when moving to the mounting hole 11, and is buckled into the mounting hole 11, so that the square tube core 2 and the square tube 1 are mutually clamped, and the square tube core 2 cannot be pulled out from the square tube 1. When the square tube is installed, the square tube core 2 is inserted into the square tube 1 only after the deformation part 31 is pressed to deform, and the square tube is convenient and quick to assemble. In addition, since the mounting hole 11 penetrates the outer side wall of the square pipe 1, and the deformation portion 31 can be pressed to be removed from the mounting hole 11 by inserting a tool or a finger into the mounting hole 11, it is possible to easily pull out the square pipe core 2 from the square pipe 1.

In this embodiment, only one side wall of the square tube 1 is provided with the mounting hole 11, in other embodiments, the four side walls of the square tube 1 can be provided with the mounting holes 11, the complexity of assembling the square tube 1 and the square tube core 2 is reduced by providing the plurality of mounting holes 11, and the elastic piece 3 can be fixed with the square tube 1 in any direction.

In this embodiment, the elastic sheet 3 includes a base portion 32 extending along the length direction of the square tube 1, the base portion 32 is fixed to the square tube core 2 in a clamping manner, and one end of the base portion 32 is turned over to form the deformation portion 31, specifically, the deformation portion 31 is turned over to form an acute angle with the base portion 32.

Adopt such structure setting, basilar part 32 and the integrated into one piece that bends of deformation portion 31, processing is convenient, and shell fragment 3's structural stability is higher, and difficult emergence inefficacy fracture has improved square pipe core 2 and square 1's connection stability.

Further, the square tube core 2 is provided with an insertion hole 21, specifically, the insertion hole 21 is formed along the width direction of the square tube core 2, and the elastic sheet 3 is vertically connected with an insertion portion 33 which can be inserted into the insertion hole 21.

When square tube core 2 and square tube 1 assembled, at first insert the insertion portion 33 of shell fragment 3 to square tube core 2's insertion hole 21 in, shell fragment 3 and square tube core 2 along square tube core 2's length direction mutual joint this moment, then insert square tube core 2 to square tube 1 in, deformation portion 31 blocks into to square tube 1's mounting hole 11 in after the deformation to the fixed of square tube core 2 and square tube 1 has been realized. In addition, because the square tube 1 is sleeved outside the square tube core 2 and the spring plate 3, the insertion part 33 can be limited from being separated from the insertion hole 21, so that the connection structure of the square tube 1 and the square tube core 2 is more stable.

In this embodiment, one end of the base portion 32 away from the deformation portion 31 is bent and extended to form the insertion portion 33. In other embodiments, the insertion portion 33 may not be provided at the end of the base portion 32, but may be provided at the middle of the base portion 32. Base portion 32 and insertion part 33 adopt the integrated into one piece structure, have ensured the stability that both are connected of base portion 32 and insertion part 33, and difficult emergence fracture, structural strength is higher.

Furthermore, the square tube core 2 is provided with a positioning groove 22 for the base portion 32 to be embedded in and communicated with the insertion hole 21, and one end of the positioning groove 22 extends to the front end of the square tube core 2. On one hand, the positioning groove 22 is formed in the square tube core 2, so that a containing space is provided for the elastic sheet 3, four side walls of the square tube core 2 are respectively abutted against four inner side walls of the square tube 1 one by one, and the connection stability of the square tube core 2 and the square tube 1 is improved; on the other hand, the positioning groove 22 also provides a positioning function for the installation of the elastic sheet 3, so that the elastic sheet 3 is prevented from swinging, and the connection reliability of the elastic sheet 3 and the square tube core 2 is further improved.

Further, the length of the base portion 32 is greater than the length of the positioning groove 22, and one end of the base portion 32 near the deformation portion 31 protrudes out of the positioning groove 22. In other embodiments, the base portion 32 may have a length less than the length of the detent 22.

Stretch out to outside the constant head tank 22 through the one end with shell fragment 3, when shell fragment 3 stretched into square pipe 1, deformation portion 31 and square pipe 1 butt on the shell fragment 3 forced shell fragment 3 to warp, and the one end that shell fragment 3 stretches out to constant head tank 22 can take place to bend and warp, has reduced the deformation range of deformation portion 31 to avoid shell fragment 3 to take place to damage owing to excessively warping, further improved shell fragment 3 and square pipe 1 and square pipe core 2's connection stability.

Furthermore, the insertion portion 33 is provided with a clamping portion 331 capable of being elastically folded, and the insertion hole 21 is provided with a clamping groove 211 for the clamping portion 331 to be buckled in. Preferably, the insertion portion 33 is provided with an avoiding notch 332 for the clamping portion 331 to deform and insert, and the insertion portion 33 is symmetrically provided with two avoiding notches 332 and two clamping portions 331. Preferably, the insertion hole 21 penetrates through the square tube core 2, and the clamping groove 211 is communicated to the outside of the square tube core 2.

Through set up joint groove 211 on square pipe core 2, when shell fragment 3 inserted to square pipe core 2 in, utilize joint portion 331 and joint groove 211's joint cooperation relation, it is fixed to make shell fragment 3 and the mutual joint of square pipe core 2 to restriction shell fragment 3 breaks away from with square pipe core 2, has further improved square pipe core 2 and square pipe 1's stability of being connected. In addition, because the joint groove 211 communicates in square outside of the pipe core 2, the operator can stretch into the joint groove 211 with instrument or finger and tear down shell fragment 3 out, and it is more simple and convenient to operate, also is difficult to cause the damage to shell fragment 3.

Further, the square tube core 2 is provided with a stop step 23 abutting against the end of the square tube 1. Specifically, one end of the square tube core 2 extends into the square tube 1, and the other end is connected with the handle head 5 and is cylindrical. By arranging the stop step 23, a limiting and stopping effect is provided for the square tube 1, and the connection reliability of the square tube 1 and the square tube core 2 is further improved.

The utility model also provides a lock, including foretell square tube connection structure, still include handle 4 and handle head 5, handle head 5 is fixed in handle 4, square tube core 2 rotationally connects in handle head 5 to can realize the linkage with the help of clutching mechanism and rotate or break away from each other.

Through adopting foretell square pipe connection structure, reduced the degree of difficulty of tool to lock equipment, improved the packaging efficiency.

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

Claims (10)

1. The utility model provides a square pipe connection structure, includes square pipe and square pipe core, square pipe core is inserted and is arranged in square pipe and can link its rotation, characterized by: still including connecting in square pipe and the shell fragment between the square pipe core, the shell fragment with square pipe core joint is fixed, just the shell fragment stretches into to square intraductal fixed with the inner wall of square pipe along length direction joint.

2. The square pipe connecting structure according to claim 1, wherein: the side wall of the square pipe is provided with a mounting hole, and the elastic sheet is provided with a deformation part which can elastically deform and can be buckled into the mounting hole to clamp the elastic sheet and the square pipe.

3. The square pipe connecting structure according to claim 2, wherein: the shell fragment includes the basilar part that extends along square pipe length direction, the basilar part with square tube core joint is fixed, just the one end of basilar part turns over and turns over the formation the deformation portion.

4. The square pipe connecting structure according to claim 3, wherein: the square tube core is provided with an inserting hole, and the elastic sheet is vertically connected with an inserting part which can be inserted into the inserting hole.

5. The square pipe connecting structure according to claim 4, wherein: the square tube core is provided with a positioning groove for the base part to be embedded and communicated with the inserting hole.

6. The square pipe connecting structure according to claim 5, wherein: the length of the base part is larger than that of the positioning groove, and one end, close to the deformation part, of the base part extends out of the positioning groove.

7. The square pipe connecting structure according to claim 4, wherein: the inserting portion is provided with a clamping portion capable of being elastically turned over, and a clamping groove for buckling the clamping portion is formed in the inserting hole.

8. The square pipe connecting structure according to claim 4, wherein: one end of the base part, which is far away from the deformation part, is bent and extended to form the insertion part.

9. The square pipe connecting structure according to claim 1, wherein: and the square tube core is provided with a stop step which is abutted against the end part of the square tube.

10. A lockset is characterized in that: comprising the square pipe connecting structure according to any one of claims 1 to 9.

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