阅读说明：本技术 扣具装置 (Fastener device ) 是由 邱世光 陈柏村 陈瑞宗 于 2019-09-17 设计创作，主要内容包括：本发明提供一种扣具装置,包含一主体单元、一卡盘单元、一压扣单元,及一弹力单元。该主体单元包括一扣具壳体。该卡盘单元包括至少一个立式卡盘。该压扣单元包括一按压本体。该弹力单元包括一第一弹簧体。该第一弹簧体的一端设置于该立式卡盘。该第一弹簧体的另一端设置于该按压本体。该第一弹簧体为推力弹簧可以延长该扣具装置的使用寿命。(The invention provides a buckle device which comprises a main body unit, a chuck unit, a pressing buckle unit and an elastic unit. The main body unit comprises a buckle shell. The chuck unit includes at least one vertical chuck. The pressing unit comprises a pressing body. The elastic unit comprises a first spring body. One end of the first spring body is arranged on the vertical chuck. The other end of the first spring body is arranged on the pressing body. The first spring body is a thrust spring, so that the service life of the buckle device can be prolonged.)

1. A buckle device, comprising:

the main body unit comprises a buckle shell body, a chuck supporting body and a pressing supporting body, wherein the buckle shell body is surrounded and defined with an accommodating space;

the chuck unit comprises a vertical chuck, a first clamping part, a spring accommodating part, a spring chuck supporting part and a rotation limiting part, wherein the vertical chuck is pivoted on the chuck supporting body, the first clamping part is arranged on the vertical chuck, the spring accommodating part is arranged on the vertical chuck, the spring chuck supporting part is arranged on the vertical chuck, the rotation limiting part is arranged on the vertical chuck, the vertical chuck can rotate between a chuck locking position and a chuck unlocking position, and the pressing supporting body can support the rotation limiting part;

the pressing and buckling unit comprises a pressing body arranged on the buckle shell, at least one pressing limiting through hole arranged on the pressing body, at least one pressing buckling part arranged on the pressing body and at least one spring pressing supporting part arranged on the pressing body, when the vertical chuck is located at the chuck locking position, the pressing supporting body is matched with the pressing limiting through hole so that the pressing body moves between a pressing locking position and a pressing unlocking position, and when the pressing body is located at the pressing locking position, the first clamping part is embedded with the pressing buckling part so that the vertical chuck is fixed at the chuck locking position; and

the spring chuck supporting part is used for supporting one end of the first spring body, the spring pressing supporting part is used for supporting the other end of the first spring body, the spring accommodating part can accommodate the first spring body, the first spring body is used for pushing the vertical chuck to be in the chuck unlocking position, and the first spring body is used for pushing the pressing body to be in the pressing locking position.

2. The buckle device as claimed in claim 1, wherein the spring chuck support portion is a flange protruding from the vertical chuck such that one end of the first spring body can be sleeved on the spring chuck support portion.

3. The buckle device as claimed in claim 1, wherein the spring pressing support portion is a flange protruding from the pressing body, so that the other end of the first spring body can be sleeved on the spring pressing support portion.

4. The buckle device as claimed in claim 1, wherein the spring chuck support portion is disposed at a side of the spring receiving portion, so that the first spring body can push the vertical chuck to rotate.

5. The buckle device as claimed in claim 1, wherein the chuck unit further comprises an outer edge protrusion disposed on the vertical chuck for supporting an outer side of one end of the first spring.

6. The buckle device as claimed in claim 1, wherein the chuck unit further comprises a spout stopper disposed on the rotation limiting portion, the spout stopper being used to control a rotation angle of the vertical chuck at the chuck unlocking position.

7. The buckle device according to claim 1, wherein the buckle device is detachably combined with a buckle device, the buckle device is provided with a buckle body, the main body unit further comprises a buckle through hole provided in the buckle housing, the buckle through hole is used for allowing the buckle body to be inserted, the chuck unit further comprises a second clamping portion provided in the vertical chuck, and when the pressing body is located at the pressing locking position, the buckle body is engaged with the second clamping portion, so that the buckle device cannot be separated from the buckle device.

8. The buckle device according to claim 1, further comprising at least one magnetic buckle unit, the magnetic buckle unit comprises an electromagnetic main body arranged on the buckle shell, an electromagnetic telescopic rod pivoted on the electromagnetic main body, and an electromagnetic buckle part arranged on the electromagnetic telescopic rod, the chuck unit also comprises a third clamping part arranged on the vertical chuck, the elastic unit also comprises at least one second spring body, when the vertical chuck is positioned at the chuck locking position, the electromagnetic telescopic rod can move between an electromagnetic locking position and an electromagnetic unlocking position, the electromagnetic main body is used for pushing the electromagnetic telescopic rod to the electromagnetic unlocking position, the second spring body is used for pushing the electromagnetic telescopic rod to the electromagnetic locking position, when the electromagnetic telescopic rod moves to the electromagnetic locking position, the electromagnetic buckling part is embedded with the third clamping part so that the vertical chuck is fixed at the chuck locking position.

9. The buckle device as claimed in claim 8, wherein the magnetic buckle unit further comprises a spring magnet support portion disposed on the electromagnetic body and a spring rod support portion disposed on the electromagnetic telescopic rod, the second spring body is a thrust spring, the second spring body is sleeved on the electromagnetic telescopic rod, the spring magnet support portion is configured to support one end of the second spring body, and the spring rod support portion is configured to support the other end of the second spring body.

10. The buckle device as claimed in claim 8, wherein the main body unit further comprises a rod supporter disposed in the receiving space, and the magnetic buckle unit further comprises a rod limiting hole disposed in the electromagnetic telescopic rod, the rod supporter and the rod limiting hole cooperating to limit the position of the electromagnetic telescopic rod between the electromagnetic unlocking position and the electromagnetic locking position.

Technical Field

The present invention relates to a buckle device, and more particularly, to a buckle device disposed on a chair.

Background

The chair with body feeling is provided with a fixing belt and a buckle for fixing a human body on the chair so as to prevent the human body from being thrown out when the chair provides the body feeling power.

Taiwan patent No. M473859 discloses a buckle 1 for a seat belt, which can control a buckle piece combined with the buckle 1 not to be opened by a person seated in a seat, and further protect the person seated in the seat when the seat provides sensible power.

Referring to fig. 1, the buckle 1 includes a first cross pillar 102 disposed in a housing 101, two first connecting portions 103 disposed on the first cross pillar 102, a second cross pillar 104 disposed in the housing 101, two vertical chucks 105 pivotally disposed on the second cross pillar 104, two second connecting portions 106 disposed on the two vertical chucks 105, and two first springs 107 disposed on the first connecting portions 103 and the second connecting portions 106. The first springs 107 are tension springs for pulling the vertical chucks 105 to rotate in the housing 101. The two ends of the two first springs 107 are respectively provided with a first fastening member 108 in a circle shape, and the plurality of first fastening members 108 are used for respectively fastening the two first connecting portions 103 and the two second connecting portions 105.

Referring to fig. 2, the buckle 1 further includes a third cross pillar 109 disposed on the housing 101, a pressing body 110 disposed in the housing 101, two third connecting portions 111 disposed on the pressing body 110, and two second springs 112 disposed between the third cross pillar 109 and the third connecting portions 111. The second spring 112 is a tension spring for pulling the pressing body 110 to move in the housing 101. Two ends of the second springs 112 are respectively provided with a second fastening member 113 in a circle shape, and the second fastening members 113 are used for respectively fastening the third cross column 109 and the second connecting portion 111.

Referring to fig. 3, the buckle 1 further includes a fourth cross pillar 114 disposed on the housing 101, two electromagnetic members 115 disposed on the housing 101, two metal rods 116 pivotally disposed on the two electromagnetic members 115, two fourth connecting portions 117 disposed on the two metal rods 116, and two third springs 118 disposed between the fourth cross pillar 114 and the fourth connecting portions 117. The two third springs 118 are a tension spring for pulling the two metal rods 116 to move in the housing 101. The two ends of the two third springs 118 are respectively provided with a third fastening member 119 in a circle shape, and the plurality of third fastening members 119 are used for respectively fastening the fourth cross column 114 and the fourth connecting portion 117.

Wherein, the connection between the first spring 107 and the first fastener 108, the connection between the second spring 112 and the second fastener 113, and the connection between the third spring 118 and the third fastener 119 will be broken due to the number of times or duration of use of the springs.

As is apparent from the above description, although the buckle for a seat belt is described, the following disadvantages are still present in practical use:

firstly, insufficient durability:

as the known tension spring is used, the two objects can be buckled only by arranging the annular fasteners on the two sides of the tension spring, tension between the two objects is provided, and the connection part of the tension spring and the annular fasteners can be broken after certain expansion and contraction times, so that the durability is obviously insufficient.

Secondly, the assembly procedure is complicated:

as mentioned above, each fastener must be fastened to a connection portion of an object, the fastener components are complex, and the assembly process must be performed according to a fixed assembly process, which is complicated, for example, the conventional third cross post 109 not only needs to provide the second fastener 113 of the second spring 112 for fastening, but also needs to pass through the pressing body 110 for limiting the moving range of the pressing body 110, and the assembly of the components has a certain difficulty.

Thirdly, the structure is complex:

each movable body must be provided with a spring and a fixing member fixed to the housing, the known second connecting portion 106 and fourth connecting portion 117 are screw components, the first connecting portion 103 and third connecting portion 111 are convex structures, and the number of springs used is large, and the structure of the known buckle is complicated.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a fastener device for improving durability of a fastener and simplifying a structure of the fastener, which includes a main body unit, at least one chuck unit, a pressing unit, and an elastic unit;

the main body unit comprises a buckle shell surrounding and defining an accommodating space, a chuck supporting body arranged in the accommodating space, and a pressing supporting body arranged in the accommodating space;

the chuck unit comprises at least one vertical chuck pivoted on the chuck support body, a first clamping part arranged on the vertical chuck, a spring accommodating part arranged on the vertical chuck, a spring chuck supporting part arranged on the vertical chuck, and a rotation limiting part arranged on the vertical chuck, wherein the vertical chuck can rotate between a chuck locking position and a chuck unlocking position, and the rotation limiting part can be supported by the pressing support body;

the pressing unit comprises a pressing body arranged on the buckle shell, at least one pressing limiting through hole arranged on the pressing body, at least one pressing buckling part arranged on the pressing body, and at least one spring pressing supporting part arranged on the pressing body, when the vertical chuck is located at the chuck locking position, the pressing supporting body is matched with the pressing limiting through hole so as to enable the pressing body to move between a pressing locking position and a pressing unlocking position, and when the pressing body is located at the pressing locking position, the first clamping part is embedded with the pressing buckling part so as to enable the vertical chuck to be fixed at the chuck locking position;

the elastic unit comprises at least one first spring body, the first spring body is a thrust spring, the spring chuck supporting part is used for supporting one end of the first spring body, the spring pressing supporting part is used for supporting the other end of the first spring body, the spring accommodating part can accommodate the first spring body, the first spring body is used for pushing the vertical chuck to be in the chuck unlocking position, and the first spring body is used for pushing the pressing body to be in the pressing locking position.

In an embodiment of the invention, the spring chuck support portion is a flange protruding from the vertical chuck, so that one end of the first spring body can be sleeved on the spring chuck support portion.

In an embodiment of the present invention, the spring pressing support portion is a flange protruding from the pressing body, so that the other end of the first spring body can be sleeved on the spring pressing support portion.

In an embodiment of the present invention, the spring chuck supporting portion is disposed at a side of the spring accommodating portion, so that the first spring body can push the vertical chuck to rotate.

In an embodiment of the invention, the chuck unit further includes an outer edge protrusion disposed on the vertical chuck, and the outer edge protrusion is used for supporting an outer side of one end of the first spring.

As an embodiment of the present invention, the chuck unit further includes a spout stopper disposed on the rotation limiting portion, and the spout stopper is used for controlling a rotation angle of the vertical chuck at the chuck unlocking position.

As an embodiment of the present invention, the buckle device is adapted to be detachably combined with a buckle device, the buckle device is provided with a buckle piece fastening body, the main body unit further includes a buckle piece through hole disposed on the buckle housing, the buckle piece through hole is used for inserting the buckle piece fastening body, the chuck unit further includes a second clamping portion disposed on the vertical chuck, and when the pressing body is located at the pressing locking position, the buckle piece fastening body is engaged with the second clamping portion, so that the buckle piece device cannot be separated from the buckle device.

An embodiment of the present invention is that the buckle device further includes at least one magnetic buckle unit, the magnetic buckle unit comprises an electromagnetic main body arranged on the buckle shell, an electromagnetic telescopic rod pivoted on the electromagnetic main body, and an electromagnetic buckle part arranged on the electromagnetic telescopic rod, the chuck unit also comprises a third clamping part arranged on the vertical chuck, the elastic unit also comprises at least one second spring body, when the vertical chuck is positioned at the chuck locking position, the electromagnetic telescopic rod can move between an electromagnetic locking position and an electromagnetic unlocking position, the electromagnetic main body is used for pushing the electromagnetic telescopic rod to the electromagnetic unlocking position, the second spring body is used for pushing the electromagnetic telescopic rod to the electromagnetic locking position, when the electromagnetic telescopic rod moves to the electromagnetic locking position, the electromagnetic buckling part is embedded with the third clamping part so that the vertical chuck is fixed at the chuck locking position.

As an embodiment of the invention, the magnetic buckle unit further includes a spring magnet supporting portion disposed on the electromagnetic main body, and a spring rod supporting portion disposed on the electromagnetic telescopic rod, the second spring body is a thrust spring, the second spring body is sleeved on the electromagnetic telescopic rod, the spring magnet supporting portion is used for supporting one end of the second spring body, and the spring rod supporting portion is used for supporting the other end of the second spring body.

As an embodiment of the present invention, the main body unit further includes a rod support disposed in the accommodating space, the magnetic buckle unit further includes a rod limiting hole disposed in the electromagnetic telescopic rod, and the rod support and the rod limiting hole cooperate to limit a position of the electromagnetic telescopic rod moving between the electromagnetic unlocking position and the electromagnetic locking position.

The invention has the beneficial effects that the design of the spring chuck supporting part and the spring pressing supporting part can provide that the first spring body is arranged without using a retaining ring, the first spring body is a thrust spring, the service life of the buckle device can be prolonged, and the first spring body can further push to rotate the vertical chuck to push to move the pressing body so as to keep the basic function of the buckle device.

Drawings

Fig. 1 is a schematic view of a buckle device illustrating a first spring of the buckle device;

fig. 2 is a schematic view of a device illustrating a second spring of the conventional buckle device;

fig. 3 is a schematic view of a device illustrating a third spring of the conventional buckle device;

FIG. 4 is a schematic diagram of a device illustrating a preferred embodiment of a fastener device of the present invention, a blade device engaged with the fastener device, a vertical chuck in a chuck locking position, a pressing body in a pressing locking position, and an electromagnetic telescopic rod in an electromagnetic locking position;

FIG. 5 is an apparatus diagram illustrating the vertical chuck in the chuck locking position, the pressing body in a pressing unlocking position, and the electromagnetic telescopic rod in the electromagnetic locking position in the preferred embodiment;

FIG. 6 is an apparatus diagram illustrating the vertical chuck in the chuck locking position, the pressing body in the pressing locking position, and the electromagnetic telescopic rod in the electromagnetic unlocking position in the preferred embodiment; and

fig. 7 is a schematic device diagram illustrating the preferred embodiment with the blade device separated from the buckle device, the vertical chuck in a chuck unlocking position, the pressing body in a pressing unlocking position, and the electromagnetic telescopic rod in the electromagnetic unlocking position.

Description of reference numerals:

1, a fastener; 101 a shell; 102 a first cross-post; 103 a first connection portion; 104 a second cross post; 105 a vertical chuck;

106 a second connecting portion; 107 a first spring; 108 a first fastener; 109 a third cross-post; 110 a pressing body;

111 a third connecting portion; 112 a second spring; 113 a second fastener; 114 a fourth cross-post; 115 an electromagnetic member;

116 a metal rod; 117 a fourth connecting portion; 118 a third spring; 119 a third fastener; 2, a cramp device;

21 a cramp fastening body; 3 a main body unit; 31 an accommodating space; 32 a buckle housing; 33, buckle piece through holes;

34 a chuck support; 35 pressing the support; 36 rod supports; 4 a chuck unit; 41 a vertical chuck;

42 a spring receiving portion; 43 a spring chuck support; 44 outer edge side projections; 45 a rotation limiting part;

46 spout stop; 47 a first clamping portion; 48 second clamping portion; 49 a third clamping section;

5, pressing and buckling the unit; 51 pressing the body; 52 pressing the limiting through hole; 53 pressing the buckling part; 54 spring pressing support parts;

6, a magnetic buckle unit; 61 an electromagnetic body; 62, an electromagnetic telescopic rod; 63 an electromagnetic latch part; 64 spring magnet support;

65 spring rod body support parts; 66 rod body limiting holes; 7 an elastic unit; 71 a first spring body; 72 a second spring body.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

Referring to fig. 4, a preferred embodiment of a buckle device of the present invention is adapted to be detachably combined with a buckle sheet device 2. The cramp apparatus 2 is provided with a cramp fastening body 21.

In the preferred embodiment, the fastener device includes a main body unit 3, two chuck units 4, a pressing unit 5, two magnetic fastener units 6, and an elastic unit 7.

The main body unit 3 includes a buckle housing 32 surrounding and defining a receiving space 31, a buckle sheet through hole 33 disposed in the buckle housing 32, a chuck support 34 disposed in the receiving space 31, a pressing support 35 disposed in the receiving space 31, and a rod support 36 disposed in the receiving space 31.

Each chuck unit 4 includes a vertical chuck 41 pivotally disposed on the chuck support 34, a spring receiving portion 42 disposed on the vertical chuck 41, a spring chuck supporting portion 43 disposed on the vertical chuck 41, a convex body 44 disposed on the outer edge of the vertical chuck 41, a rotation limiting portion 45 disposed on the vertical chuck 41, a spout stopping portion 46 disposed on the rotation limiting portion 45, a first clamping portion 47 disposed on the vertical chuck 41, a second clamping portion 48 disposed on the vertical chuck 41, and a third clamping portion 49 disposed on the vertical chuck 41.

The pressing unit 5 includes a pressing body 51 disposed on the buckle housing 32, two pressing limiting through holes 52 disposed on the pressing body 51, two pressing fastening portions 53 disposed on the pressing body 51, and two spring pressing support portions 54 disposed on the pressing body 51.

Each magnetic buckle unit 6 includes an electromagnetic main body 61 disposed on the buckle housing 32, an electromagnetic telescopic rod 62 pivotally disposed on the electromagnetic main body 61, an electromagnetic buckle portion 63 disposed on the electromagnetic telescopic rod 62, a spring magnet support portion 64 disposed on the electromagnetic main body 61, a spring rod support portion 65 disposed on the electromagnetic telescopic rod 62, and a rod limiting hole 66 disposed on the electromagnetic telescopic rod 62.

The elastic unit 7 includes two first spring bodies 71 disposed between the spring chuck support 43 and the spring pressing support 54, and two second spring bodies 72 disposed between the spring magnet support 64 and the spring bar support 65.

In practical implementation, the number of the chuck unit 4, the pressing limiting through hole 52, the pressing fastening part 53, the spring pressing support part 54, the first spring body 71 and the second spring body 72 should be determined based on practical situations, and should not be limited thereto.

The buckle piece buckle body 21 is disposed at one end of the buckle piece device 2, and the other end of the buckle piece device 2 is connected to a seat belt of a seat. The number of the chuck units 4 is matched, two fastening holes are arranged on the fastening piece fastening body 21, and the fastening piece through hole 33 of the main body unit 3 is used for inserting the fastening piece fastening body 21 of the fastening piece device 2. In practical implementation, the number of the fastening holes on the fastening piece fastening body 21 should match the number of the chuck unit 4, and should not be limited thereto.

In the preferred embodiment, the chuck support 34, the pressing support 35 and the rod support 36 are circular columns transversely disposed in the accommodating space 31, and two ends of the chuck support 34, the pressing support 35 and the rod support 36 are fixed on the buckle housing 32.

The first spring body 71 is a thrust spring, the spring chuck support 43 is used to support one end of the first spring body 71, and the spring pressing support 54 is used to support the other end of the first spring body 71. The spring chuck support 43 is a flange protruding from the vertical chuck 41, so that one end of the first spring 71 can be sleeved on the spring chuck support 43. The spring pressing support 54 is a flange protruding from the pressing body 51, so that the other end of the first spring 71 can be sleeved on the spring pressing support 54.

It should be noted that the first spring body 71 of the present invention uses a push spring, so that one end of the first spring body 71 is sleeved on the spring chuck support 43 to push the vertical chuck 41 to rotate, and the other end of the first spring body 71 is sleeved on the spring pressing support 54 to push the pressing body 51 to move, thereby effectively avoiding the situation that the two ends of the tension spring used in the early stage must use a snap ring to provide the tension between two objects, and the joint of the snap ring and the tension spring has the characteristic of metal elastic fatigue fracture. The invention can prolong the service life of the buckle device.

The vertical chuck 41 is a plate, the chuck support 34 is disposed at the center of the vertical chuck 41, the spring receiving portion 42 is a groove recessed at the outer edge of the vertical chuck 41, the spring chuck support 43 is disposed at the side of the spring receiving portion 42, so that the first spring 71 can push the vertical chuck 41 to rotate, and the spring receiving portion 42 can receive the first spring 71. The outer edge side protrusion 44 is disposed on the outer side of the vertical chuck 41 on the spring chuck supporting portion 43, and the outer edge side protrusion 44 is used for supporting and sleeving the outer side of one end of the first spring 71 on the spring chuck supporting portion 43, so as to prevent one end of the first spring 71 from exceeding the outer edge of the vertical chuck 41, and prevent the first spring 71 from interfering with other structural bodies and being locked, so that the vertical chuck 41 is not smoothly rotated.

The vertical chuck 41 is rotatable on the chuck support 34, and the vertical chuck 41 is rotatable between a chuck locking position and a chuck unlocking position.

The fastening piece fastening body 21 can enter the accommodating space 31 of the main unit 3 through the fastening piece through hole 33, and when the fastening piece fastening body 21 of the fastening piece device 2 extends into the accommodating space 31 through the fastening piece through hole 33, the fastening piece fastening body 21 can push the vertical chuck 41 to rotate to the chuck locking position.

The second spring body 72 is a thrust spring, the second spring body 72 is sleeved on the electromagnetic telescopic rod 62, the spring magnet support portion 64 is used for supporting one end of the second spring body 72, and the spring rod support portion 65 is used for supporting the other end of the second spring body 72. The second spring 72 can push the electromagnetic telescopic rod 62 to move to the electromagnetic locking position.

When the electromagnetic body 61 is energized, the second spring 72 can oppose the urging force of the second spring 72 to urge the electromagnetic telescopic rod 62 to the electromagnetic unlocking position, and when the electromagnetic body 61 is not energized, the second spring 72 can urge the electromagnetic telescopic rod 62 to move.

The rod supporter 36 cooperates with the rod position-limiting hole 66 to limit the position of the electromagnetic telescopic rod 62 between the electromagnetic unlocking position and the electromagnetic locking position.

Referring to fig. 4 and 5, when the vertical chuck 41 is located at the chuck locking position, the pressing support 35 is engaged with the pressing limiting through hole 52, so that the pressing body 51 moves between a pressing locking position and a pressing unlocking position.

When the pressing body 51 is located at the pressing locking position, the first spring 71 can push the pressing body 51 at the pressing locking position, and the first clamping portion 47 is engaged with the pressing locking portion 53 to fix the vertical chuck 41 at the chuck locking position.

The pressing body 51 can receive an external force to oppose the pushing force of the first spring 71, so that the pressing body 51 moves to the pressing unlocking position.

The electromagnetic locking portion 63 and the third clamping portion 49 are engaged with each other, so that when the pressing body 51 is at the pressing unlocking position, the first clamping portion 47 is separated from the pressing locking portion 53, and the vertical chuck 41 is not rotated and fixed at the chuck locking position.

Referring to fig. 4 and 6, when the vertical chuck 41 is in the chuck locking position, the electromagnetic telescopic rod 62 can move between an electromagnetic locking position and an electromagnetic unlocking position. The electromagnetic body 61 is used for pushing the electromagnetic telescopic rod 62 to the electromagnetic unlocking position, and the second spring body 72 is used for pushing the electromagnetic telescopic rod 62 to the electromagnetic locking position.

When the electromagnetic telescopic rod 62 moves to the electromagnetic locking position, the electromagnetic locking portion 63 is engaged with the third clamping portion 49 to fix the vertical chuck 41 at the chuck locking position.

When the electromagnetic telescopic rod 62 moves to the electromagnetic unlocking position, since the pressing body 51 is located at the pressing locking position, the cramp fastening body 21 is engaged with the second clamping portion 48, and the vertical chuck 41 is not rotated and fixed at the chuck locking position.

When the vertical chuck 41 is fixed to the chuck locking position by the pressing body 51 or the electromagnetic telescopic rod 62, the blade engaging body 21 of the blade device 2 cannot be separated from the buckle device.

Referring to fig. 7, when the pressing body 51 is located at the pressing unlocking position and the electromagnetic telescopic rod 62 is located at the electromagnetic unlocking position, the first spring body 71 can push the vertical chuck 41 to rotate, and the pressing support 35 is supported against the rotation limiting portion 45, so that the vertical chuck 41 rotates to the chuck unlocking position.

The rotation limiting portion 45 protrudes from the outer edge of the vertical chuck 41, and the rotation limiting portion 45 is used for supporting the first spring 71 to apply a pushing force to the vertical chuck 41, so that the vertical chuck 41 is located at the chuck unlocking position.

The spout stopper 46 is a bevel edge on the flange of the rotation limiting portion 45, and the spout stopper 46 is used to control the rotation angle of the vertical chuck 41 at the chuck unlocking position.

When the chuck is in the unlocking position, the cramp fastening body 21 of the cramp apparatus 2 can be pulled out from the accommodating space 31 through the cramp through hole 33, and when the pressing body 51 is pushed to the pressing unlocking position by external force, and the electromagnetic telescopic rod 62 is pushed to the electromagnetic unlocking position by the electromagnetic main body 61, the first spring body 71 can push the vertical chuck 41 to rotate at the chuck unlocking position, and push the cramp fastening body 21 of the cramp apparatus 2 outwards.

From the above description, the buckle device of the present invention has the following functions:

firstly, prolonging the service life:

the first spring body 71 and the second spring body 72 of the present invention use a thrust spring, so that the characteristic of metal elastic fatigue fracture occurring when a tension spring is used in an early stage can be improved, and the service life of the buckle device of the present invention can be prolonged.

Secondly, the spring acts smoothly:

the outer edge protrusion 44 can support and cover the outer side of one end of the first spring 71 of the spring chuck support 43, so as to prevent the one end of the first spring 71 from exceeding the outer edge of the vertical chuck 41, and prevent the first spring 71 from interfering and being stuck with other structures, so that the first spring 71 can smoothly push the vertical chuck 41 to rotate.

Thirdly, accurately controlling the position:

the spout stopper 46 is an inclined edge of the flange of the rotation limiting portion 45, and can precisely provide the first spring 71 to push the vertical chuck 41 to rotate at the chuck unlocking position, and push the cramp fastening body 21 of the cramp apparatus 2 outward, so as to further avoid the mutual interference between the rotation limiting portion 45 and the pressing body 51 to generate structural friction.

In summary, in the present invention, the first spring body 71 and the second spring body 72 are thrust springs, the spring receiving portion 42, the spring chuck supporting portion 43 and the outer edge side protruding body 44 are disposed on the vertical chuck 41, and the spring pressing supporting portion 54 is disposed on the pressing body 51, so that the first spring body 71 can rotate the vertical chuck 41 and move the pressing body 51, respectively, thereby effectively reducing the number of springs to be disposed and maintaining the operation of the buckle device, and the service life of the buckle device of the present invention can be prolonged by using the characteristic that the first spring body 71 and the second spring body 72 of the thrust springs are not easily broken due to metal elastic fatigue, thereby achieving the object of the present invention.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.