CN110701152A - Pin shaft locking structure - Google Patents

Abstract

An embodiment of the present invention provides a pin shaft locking structure, the pin shaft locking structure includes: an installation part, the installation part is provided with a first through hole and a second through hole, and the side walls of the first through hole and the second through hole are respectively provided The first notch and the second notch are provided with a first slit between the first through hole and the second through hole, and the first slit, the first notch and the second notch pass through the mounting part and communicate with each other; the locking part, One end of the locking member is detachably connected to the mounting member through the first slit; when the other end of the locking member presses the mounting member, the spacing of the first slit becomes smaller, so that the spacing between the first gap and the second gap becomes smaller Small, the circumferential dimensions of the first through hole and the second through hole become smaller, and the pins placed in the first through hole and the second through hole can be locked, which can solve the problem that the existing pin shaft locking structure can only A component locking issue.

Description

A pin shaft locking structure

technical field

The invention relates to the field of machining, in particular to a pin shaft locking structure.

Background technique

Generally, the existing pin-shaft locking structure can only lock one component. If multiple components need to be locked, multiple existing pin-shaft locking structures are required to lock each part respectively. Forms create redundancy in a large number of parts, which in turn increases project costs.

SUMMARY OF THE INVENTION

In view of this, the embodiment of the present invention provides a pin shaft locking structure, which can solve the problem that the existing pin shaft locking structure can only lock one component.

To achieve the above object, according to one aspect of the present invention, a pin shaft locking structure is provided.

A pin shaft locking structure according to an embodiment of the present invention includes:

an installation part, the installation part is provided with a first through hole and a second through hole for installing the pin shaft, and the side walls of the first through hole and the second through hole are respectively provided with a first gap and a second gap , a first slit is arranged between the first through hole and the second through hole, and the first slit, the first notch and the second notch pass through the mounting member and communicate with each other;

A locking member, one end of the locking member is detachably connected to the mounting member through the first slit vertically.

Optionally, the mounting part is provided with a second slit that communicates with the first slit and is vertically arranged, and one end of the locking part passes through the first slit and the second slit and the second slit. The mounting parts are connected.

Optionally, the locking member comprises: a screw, the screw end of the screw is threadedly connected to the mounting member through the first slot and the second slot.

Optionally, the contour size of the other end of the locking member is larger than the distance between the second slits.

Optionally, the mounting components include:

a first connector, the first through hole is disposed on the first connector;

a second connecting piece, the second through hole is disposed on the second connecting piece;

a third connecting piece, two ends of the third connecting piece are respectively connected with the first connecting piece and the second connecting piece;

A fourth connecting piece, two ends of the fourth connecting piece are respectively connected with the first connecting piece and the second connecting piece; a first opening is formed between the third connecting piece and the fourth connecting piece sew.

Optionally, the fourth connector is provided with a second slot that communicates with the first slot and penetrates through the fourth connector.

Optionally, the third connecting member is provided with a first mounting hole for fixing the locking member.

Optionally, a second installation hole coaxial with the first installation hole is provided on the fourth connecting member, and the other end of the locking member passes through the second installation hole and the first slit and The first mounting holes of the third connecting piece are connected.

Optionally, the pin shaft locking structure further includes:

a connecting part, the connecting part is provided with a shaft and a fourth through hole coaxial with the second through hole;

a first pin, which is inserted into the first through hole;

A second pin, the second pin is inserted into the second through hole and the fourth through hole.

Optionally, the connecting component includes:

the sixth connector;

a seventh connecting piece, the fourth through hole passes through the sixth connecting piece and the seventh connecting piece, and both ends of the shaft are connected to the sixth connecting piece and the seventh connecting piece respectively ;

The eighth connector, the two ends of the eighth connector are respectively connected with the sixth connector and the seventh connector, and the sixth connector, the seventh connector and the eighth connector are composed "I"-shaped structure, the fourth through hole and the through shaft are respectively located on both sides of the eighth connecting piece.

According to the technical solution of the present invention, an embodiment of the above invention has the following advantages or beneficial effects:

In this embodiment of the present invention, both ends of the locking member are located on two sides of the first slit, respectively, and when the locking member presses the mounting member, the locking member can make the The spacing of the first slits becomes smaller. Since the first slits are respectively connected to the first notch and the second notch, the first slit will drive the first slit during the process of decreasing the spacing of the first slits. The distance between a notch and the second notch becomes smaller, so that the circumferential dimensions of the first through hole and the second through hole become smaller, so as to be opposite to the first through hole and the second through hole Simultaneous locking of the pins of the through holes can solve the problem that the existing pin locking structure can only lock one component.

Further effects of the above non-conventional alternatives will be described below in conjunction with specific embodiments.

Description of drawings

The accompanying drawings are used for better understanding of the present invention and do not constitute an improper limitation of the present invention. in:

Fig. 1 is one of the structural schematic diagrams of the pin shaft locking structure according to the embodiment of the present invention;

2 is the second structural schematic diagram of the pin shaft locking structure according to the embodiment of the present invention;

FIG. 3 is a schematic flowchart of an installation method of a pin shaft locking structure according to an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

1 and 2 are schematic structural diagrams of a pin shaft locking structure according to an embodiment of the present invention. Referring to FIGS. 1 and 2 , the pin shaft locking structure includes:

Mounting component 1, the mounting component 1 is provided with a first through hole 11 and a second through hole 12 for mounting the pin shaft, and the side walls of the first through hole 11 and the second through hole 12 are respectively provided with a first through hole 11 and a second through hole 12. The gap 111 and the second gap 121, a first slot 13 is provided between the first through hole 11 and the second through hole 12, the first slot 13, the first gap 111 and the The second gap 121 penetrates the mounting part 1 and communicates with each other;

The locking member 2, one end of the locking member 2 is detachably connected to the mounting member 1 through the first slit 13.

It should be noted that the installation direction of the locking member 2 is at a preset angle with the opening direction of the first slit 13 , for example, one end of the locking member 2 vertically passes through the first slit 13 Removably connected to the mounting member 1 , it can be understood that the preset angle is 90 degrees, and the mounting direction of the locking member 2 is perpendicular to the opening direction of the first slit 13 .

Wherein, the mounting member 1 at least includes: a first part and a second part, the first part and the second part are respectively located on both sides of the first slit 13, it can be understood that the first part and the second part are A first slit 13 is formed between the second parts, two ends of the locking member 2 are located on both sides of the first slit 13, and one end of the locking member 2 passes through the first slit 13. The slit 13 is detachably connected to the first part of the mounting part 1 . When the other end of the locking member 2 presses the second part of the mounting member 1, the distance between the first slits 13 becomes smaller so that the distance between the first notch 111 and the second notch 121 When the size becomes smaller, the circumferential dimensions of the first through hole 11 and the second through hole 12 become smaller, and the pins placed in the first through hole 11 and the second through hole 12 are locked.

It should be noted that the first through hole 11 and the second through hole 12 may be circular through holes as shown in FIG. 1 or FIG. 2 , the first through hole 11 and the second through hole 12 The circumferential dimension of can be understood as the perimeter of the first through hole 11 and the second through hole 12 , which is of course not limited to this.

In the embodiment of the present invention, when the pins placed in the first through hole 11 and the second through hole 12 need to be locked, one end of the locking member 2 needs to be connected with the first part, And the other end of the locking member 2 presses the second part; when the pins placed in the first through hole 11 and the second through hole 12 need to be disassembled, the locking Part 2 is separate from said mounting part 1 .

In the embodiment of the present invention, one end of the locking member 2 is detachably connected to the mounting member 1 through the first slit 13. It can be understood that the two ends of the locking member 2 are respectively located at On both sides of the first slit 13, when the locking member 2 presses the mounting member 1, the locking member 2 can make the distance of the first slit 13 smaller, because the The first slit 13 is communicated with the first notch 111 and the second notch 121 respectively, and the first notch 111 and the second notch 121 are driven when the distance between the first slit 13 becomes smaller. The spacing of the notches 121 is reduced, so that the circumferential dimensions of the first through hole 11 and the second through hole 12 are reduced, so as to be opposite to the first through hole 11 and the second through hole 12 Simultaneous locking of the pin shafts can solve the problem that the existing pin shaft locking structure can only lock one component.

Continuing to refer to FIGS. 1 and 2 , the mounting member 1 is provided with a second slit 14 that communicates with the first slit 13 and is vertically arranged, and one end of the locking member 2 passes through the first slit 13 and the second slit 14 are connected to the mounting member 1 .

Further, the second part of the mounting member 1 is provided with a second slit 14 that communicates with the first slit 13 and is vertically arranged, and one end of the locking member 2 passes through the first slit 13 And the second slit 14 is connected with the first part of the mounting member 1 .

In the embodiment of the present invention, when the locking member 2 presses the second part, the deformation amount of the first slit 13 can be increased through the second slit 14 communicating with the first slit 13 , the deformation amount of the first notch 111 and the second notch 121 can be increased, and the pins placed in the first through hole 11 and the second through hole 12 can be further locked.

Continuing to refer to FIG. 1 , the locking member 2 includes a screw 21 , and the screw end of the screw 21 is threadedly connected to the mounting member 1 through the first slit 13 and the second slit 14 .

It can be understood that the screw end of the screw 21 passes through the first slit 13 and the second slit 14 and is threadedly connected to the first part of the mounting member 1; When the through hole 11 and the pin in the second through hole 12 are locked, the nut end of the screw 21 needs to be pressed against the second part of the mounting part 1; When the pins in the first through hole 11 and the second through hole 12 are disassembled, the screw end of the screw 21 can be unscrewed from the first part, so that the nut end of the screw 21 is separated from the second part .

Further, the screw 21 can be the hexagon socket head screw shown in FIG. 1 , of course, it is not limited to this.

In the embodiment of the present invention, the contour dimension of the other end of the locking member 2 is larger than the distance between the second slits 14 . Further, when the locking member 2 includes a screw 21 , the diameter of the nut end of the screw 21 is larger than the distance between the second slits 14 .

Continuing to refer to Figures 1 and 2, the mounting component 1 includes:

a first connecting piece 15, the first through hole 11 is provided on the first connecting piece 15;

the second connecting piece 16, the second through hole 12 is disposed on the second connecting piece 16;

The third connecting piece 17, the first part is located on the third connecting piece 17, the two ends of the third connecting piece 17 are respectively connected with the first connecting piece 15 and the second connecting piece 16, so The third connecting piece 17 is provided with a first mounting hole 171 for fixing the locking member 2;

a fourth connecting piece 18, the second part is located on the fourth connecting piece 18, and two ends of the fourth connecting piece 18 are respectively connected with the first connecting piece 15 and the second connecting piece 16; A first slit 13 is formed between the third connecting piece 17 and the fourth connecting piece 18 .

In the embodiment of the present invention, the fourth connector 18 is provided with a second slot 14 that communicates with the first slot 13 and penetrates through the fourth connector 18 .

For example, the second slit 14 may be arranged perpendicular to the first slit 13, but of course it is not limited to this.

Further, the fourth connecting piece 18 may be arranged in parallel with the third connecting piece 17 , of course, it is not limited to this.

Further, the first mounting hole 171 may be a threaded hole, but of course it is not limited to this.

In the embodiment of the present invention, a first slit 13 is formed between the fourth connecting piece 18 and the third connecting piece 17 , and a slit penetrating through the fourth connecting piece 18 is provided on the fourth connecting piece 18 . The second slit 14, through which the deformation amount of the first slit 13 can be increased to further oppose the pins in the first through hole 11 and the second through hole 12 The shaft is locked.

Continuing to refer to FIG. 2 , the fourth connecting member 18 is provided with a second mounting hole 181 coaxial with the first mounting hole 171 , and the other end of the locking member 2 passes through the second mounting hole 181 and the first slit 13 is connected to the first mounting hole 171 of the third connecting piece 17 .

Further, the second installation hole 181 is located at the second slot 14 of the fourth connecting piece 18 , the second installation hole 181 may be a circular hole, and the second installation hole 181 is connected to the The first mounting holes 171 are connected and coaxial.

Further, the diameter of the second installation hole 181 is smaller than the outline size of the other end of the locking member 2 . When the locking member 2 includes the screw 21 , the diameter of the second mounting hole 181 is smaller than the diameter of the nut end of the screw 21 .

Continuing to refer to FIG. 1 , the pin shaft locking structure further includes:

The connecting member 3, the connecting member 3 is provided with a shaft 31 and a fourth through hole 32 coaxial with the second through hole 12;

a first pin shaft 4, the first pin shaft 4 is inserted into the first through hole 11;

The second pin shaft 5 is inserted into the second through hole 12 and the fourth through hole 32 .

According to the embodiment of the present invention, the first pin 4 and the second pin 5 can be locked, and at the same time, the connecting part 3 and the mounting part 1 can also be connected through the second pin 5 Fixing, it can be understood that the pin locking structure of the embodiment of the present invention can lock multiple parts at the same time, which can solve the problem that the existing pin locking structure can only lock one part.

Continue to refer to FIG. 1 , the connecting member 3 includes:

the sixth connector 33;

The seventh connecting piece 34, the fourth through hole 32 passes through the sixth connecting piece 33 and the seventh connecting piece 34, and the two ends of the passing shaft 31 are respectively connected with the sixth connecting piece 33 and the seventh connecting piece 34. the seventh connector 34 is connected;

Eighth connecting piece 35, two ends of the eighth connecting piece 35 are respectively connected with the sixth connecting piece 33 and the seventh connecting piece 34, the sixth connecting piece 33, the seventh connecting piece 34 and the The eighth connecting member 35 forms an "I"-shaped structure, and the fourth through hole 32 and the through-shaft 31 are located on two sides of the eighth connecting member 35 respectively.

Further, the sixth connecting piece 33 , the seventh connecting piece 34 and the eighth connecting piece 35 may all be plate-like structures.

In the embodiment of the present invention, firstly, the second connecting piece 16 of the mounting component 1 is placed between the sixth connecting piece 33 and the seventh connecting piece 34 , and the second through hole 12 is connected to the seventh connecting piece 34 . The fourth through holes 32 are aligned, and the second pin shaft 5 is finally inserted into the second through holes 12 and the fourth through holes 32, and finally the connection part 3 and the installation part are completed. 1 connection is fixed.

3 is a schematic flowchart of an installation method of a pin shaft locking structure according to an embodiment of the present invention. The installation method is applicable to the above pin shaft locking structure. Referring to FIG. 3 , the specific steps of the installation method are as follows:

Step 301 , insert the first pin 4 and the second pin 5 into the first through hole 11 and the second through hole 12 respectively.

It should be noted that, when installing the connecting member 3, it is necessary to align the second through hole 12 and the fourth through hole 32 before step 301, and then insert the second pin shaft 5 at the same time. Installed in the second through hole 12 and the fourth through hole 32 .

Step 302, one end of the locking member 2 is detachably connected to the first part of the mounting member 1 through the first slit 13 vertically; when the other end of the locking member 2 is pressed against the mounting When the second part of the component 1 is used, the first part and the second part are located on two sides of the first slit 13 respectively, and the spacing of the first slit 13 is reduced so that the first gap 111 and the The distance between the second notches 121 becomes smaller, the circumferential dimensions of the first through hole 11 and the second through hole 12 become smaller, and the first through hole 11 and the second through hole are opposite to each other. The pin in 12 is locked.

In step 302, when the locking member 2 includes the screw 21, the screw end of the screw 21 can be connected and fixed to the first connecting member 15 through the first slit 13 and the second slit 14 , and press the nut end of the screw 21 on the fourth connecting piece 18 , the spacing of the first slit 13 is reduced so that the spacing between the first notch 111 and the second notch 121 When the size becomes smaller, the circumferential dimensions of the first through hole 11 and the second through hole 12 become smaller, and the pins placed in the first through hole 11 and the second through hole 12 are locked.

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A pin shaft locking structure is characterized in that, comprising: Mounting part (1), the mounting part (1) is provided with a first through hole (11) and a second through hole (12) for mounting a pin, the first through hole (11) and the second through hole (12) A first notch (111) and a second notch (121) are respectively provided on the side walls of the through hole (12), and a first through hole (11) and the second through hole (12) are arranged between the first through hole (11) and the second through hole (12). a slit (13), the first slit (13), the first gap (111) and the second gap (121) penetrate through the mounting member (1) and communicate with each other; A locking member (2), one end of the locking member (2) is detachably connected to the mounting member (1) through the first slit (13). 2 . The pin shaft locking structure according to claim 1 , wherein a second slit ( 14 ) that communicates with the first slit ( 13 ) and is vertically arranged is provided on the mounting member ( 1 ). 3 . One end of the locking member (2) is connected to the mounting member (1) through the first slit (13) and the second slit (14). 3 . The pin shaft locking structure according to claim 2 , wherein the locking member ( 2 ) comprises: a screw ( 21 ), and the screw end of the screw ( 21 ) passes through the first slit. 4 . (13) and the second slit (14) are screwed to the mounting part (1). 4. The pin-shaft locking structure according to claim 2, characterized in that the contour dimension of the other end of the locking member (2) is larger than the distance between the second slits (14). 5. The pin-shaft locking structure according to claim 1, wherein the mounting component (1) comprises: a first connecting piece (15), the first through hole (11) is provided on the first connecting piece (15); a second connecting piece (16), the second through hole (12) is provided on the second connecting piece (16); a third connecting piece (17), two ends of the third connecting piece (17) are respectively connected with the first connecting piece (15) and the second connecting piece (16); A fourth connecting piece (18), two ends of the fourth connecting piece (18) are respectively connected with the first connecting piece (15) and the second connecting piece (16), and the third connecting piece ( 17) A first slit (13) is formed between the fourth connecting piece (18). 6. The pin shaft locking structure according to claim 5, wherein the fourth connecting piece (18) is provided with a connection with the first slit (13) and passing through the fourth connecting piece (18) ) of the second slit (14). 7. The pin shaft locking structure according to claim 5, characterized in that, the third connecting member (17) is provided with a first mounting hole (171) for fixing the locking member (2). 8 . The pin shaft locking structure according to claim 7 , wherein a second mounting hole ( 181 ) coaxial with the first mounting hole ( 171 ) is provided on the fourth connecting member ( 18 ). 9 . , the other end of the locking member (2) is connected to the first mounting hole (171) of the third connecting piece (17) through the second mounting hole (181) and the first slit (13) . 9. The pin locking structure according to claim 1, wherein the pin locking structure further comprises: a connecting part (3), the connecting part (3) is provided with a shaft (31) and a fourth through hole (32) coaxial with the second through hole (12); a first pin shaft (4), the first pin shaft (4) is inserted into the first through hole (11); A second pin shaft (5) is inserted into the second through hole (12) and the fourth through hole (32). 10. The pin-shaft locking structure according to claim 9, wherein the connecting member (3) comprises: the sixth connecting piece (33); A seventh connecting piece (34), the fourth through hole (32) passes through the sixth connecting piece (33) and the seventh connecting piece (34), and two ends of the passing shaft (31) are respectively connected with the sixth connector (33) and the seventh connector (34); an eighth connector (35), two ends of the eighth connector (35) are respectively connected with the sixth connector (33) and the seventh connector (34), the sixth connector (33) , the seventh connector (34) and the eighth connector (35) form an "I"-shaped structure, and the fourth through hole (32) and the shaft (31) are located in the Eight connecting pieces (35) on both sides.

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