CN108971922B - Buckle assembler - Google Patents

Buckle assembler Download PDF

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Publication number
CN108971922B
CN108971922B CN201810955260.2A CN201810955260A CN108971922B CN 108971922 B CN108971922 B CN 108971922B CN 201810955260 A CN201810955260 A CN 201810955260A CN 108971922 B CN108971922 B CN 108971922B
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CN
China
Prior art keywords
driving worm
buckle
piece
gear
base
Prior art date
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CN201810955260.2A
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Chinese (zh)
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CN108971922A (en
Inventor
邓璞
周建军
高源�
马力
王卫生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Weisize Auto Parts Co ltd
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Chongqing Weisize Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chongqing Weisize Auto Parts Co ltd filed Critical Chongqing Weisize Auto Parts Co ltd
Priority to CN201810955260.2A priority Critical patent/CN108971922B/en
Publication of CN108971922A publication Critical patent/CN108971922A/en
Application granted granted Critical
Publication of CN108971922B publication Critical patent/CN108971922B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes

Abstract

The invention provides a buckle assembler which is used for solving the problem that a buckle and a buckle seat are difficult to install in the prior art. For assembling a buckle onto a buckle seat, the buckle assembler comprises: the base is arranged on the tensioning piece on the base, one end of the tensioning piece is fixed on the base, the other end of the tensioning piece is a free end, the free end of the tensioning piece is of a toothed belt structure, the tensioning piece is arranged in a surrounding mode and forms a space for accommodating the buckle seat on the inner side, and the tensioning piece is used for pulling the buckle seat to the buckle; the pushing-in piece is used for pushing the buckle to the buckle seat, and a rack is fixed on the pushing-in piece in parallel to the pushing-in direction; the driving mechanism is arranged on the base and at least comprises two output ends, and the two output ends of the driving mechanism are respectively meshed with the free end of the tensioning piece and the rack. The labor intensity is effectively reduced.

Description

Buckle assembler
Technical Field
The invention relates to the field of buckle assembly equipment, in particular to a buckle assembler.
Background
The connecting modes of the plastic parts are many, wherein the mode of adopting the buckle to connect accounts for the vast majority, however, according to the current state of the art in China, the enterprise that can adopt full automation to install the buckle is not large, and most enterprises can adopt manual mode to install the buckle. Nowadays, the precision requirements for plastic parts are higher and higher, and the precision requirements for corresponding connection parts are also higher and higher. The buckle also has definite limiting requirements when designing plastic parts, and an interference assembly mode is adopted during assembly. Therefore, the manual assembly is very difficult, the operation difficulty is high, and the efficiency is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a buckle assembly device for solving the problem of difficulty in mounting a buckle and a buckle seat in the prior art.
To achieve the above and other related objects, the present invention provides a buckle assembler for assembling a buckle to a buckle seat, the buckle assembler comprising:
a base, a base seat and a base seat,
the tensioning piece is arranged on the base, one end of the tensioning piece is fixed on the base, the other end of the tensioning piece is a free end, the free end of the tensioning piece is of a toothed belt structure, the tensioning piece is arranged in a surrounding mode and forms a space for accommodating the buckle seat on the inner side, and the tensioning piece is used for pulling the buckle seat to the buckle;
the pushing-in piece is used for pushing the buckle to the buckle seat, and a rack is fixed on the pushing-in piece in parallel to the pushing-in direction;
the driving mechanism is arranged on the base and at least comprises two output ends, and the two output ends of the driving mechanism are respectively meshed with the free end of the tensioning piece and the rack.
The invention is realized in such a way that the tightening piece pulls the buckle seat to the buckle, the pushing piece pushes the buckle seat to the buckle, the relative approaching of the buckle and the buckle seat is realized, and finally the installation is realized, and the rack, the toothed belt structure and the driving mechanism are matched, so that the invention has the characteristics of reliable and stable transmission, and effectively reduces the labor intensity compared with the traditional manual assembly.
Further, the driving mechanism comprises a motion conversion assembly and a transmission assembly, the motion conversion assembly comprises an axial pressing piece, a driving worm, a first spiral internal spline and a first gear, the axial pressing piece and the first gear are coaxial and connected through a circumferential rotation pair, the first spiral internal spline is meshed with the driving worm and arranged on the base, and the first gear and the driving worm are coaxially fixed;
the free end of the tensioning piece is meshed with the driving worm;
the transmission assembly is used for transmitting the rotation of the first gear to the rack.
Further, the transmission assembly comprises a middle shaft and a second gear, teeth meshed with the first gear are arranged on the middle shaft, the second gear is coaxially fixed with the middle shaft, and the second gear is meshed with the rack.
Further, two second gears are arranged, and the two second gears are meshed with each other;
the racks are two, and the inner sides of the two racks are respectively meshed with the two second gears.
Further, a first elastic piece is arranged at the matched end of the driving worm and the base, and the first elastic piece is used for returning the driving worm;
and/or the number of the groups of groups,
the axial pressure applying part is provided with a guide limiting part, the guide limiting part is used for guiding the axial pressure applying part in the axial direction, and the guide limiting part is also used for limiting the rotation displacement of the axial pressure applying part.
Further, a first limiting structure is arranged on the base and used for limiting the limit distance of the driving worm extending into the first spiral internal spline in the axial direction.
Further, the first limiting structure is a stepped hole, the tail ends of the driving worm and the first spiral internal spline fit end are stepped shafts, the first elastic piece is a spring, and the spring is sleeved on the stepped shafts.
Further, the number of the driving worms is two, and the driving worms comprise a first driving worm and a second driving worm;
one end of the first driving worm is meshed with the first spiral internal spline, an axial hole is formed in the tail end of the other end of the first driving worm, and a second spiral internal spline is arranged in the axial hole;
one end of the second driving worm is meshed with the second spiral internal spline, and the other end of the second driving worm is coaxially fixed with the first gear;
the second driving worm is provided with a second elastic piece, and the second elastic piece is used for returning the second driving worm.
Further, the pitch circle diameter of the first gear is larger than the pitch circle diameter of the second driving worm, and the pitch circle diameter of the first driving worm is larger than the pitch circle diameter of the second driving worm;
the second elastic piece is a spring and is sleeved on the second driving worm.
Further, the elastic coefficient of the first elastic piece is smaller than that of the second elastic piece.
As described above, the buckle assembler of the present invention has the following advantageous effects:
the labor intensity of operators can be reduced, and the assembly efficiency is improved.
The cooperation of the tensioning piece and the pushing piece can realize the cooperation of the buckle and the buckle seat.
The whole assembler has simple structure and small volume.
Through the cooperation of first drive worm and second drive worm, and through the setting of the elasticity coefficient of first elastic component and second elastic component, realized the assembly of the stage of buckle and buckle seat, the effect of assembly is better.
Drawings
Fig. 1 is a schematic view of a motion conversion assembly of a buckle assembly according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a motion conversion assembly of a buckle assembly according to a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a buckle assembly according to a second embodiment of the motion conversion assembly of the present invention.
Fig. 4 is a schematic view of a base of the buckle assembly according to the present invention.
Fig. 5 shows a schematic view of the snap fitting of the present invention (with housing).
Fig. 6 shows a schematic view (with housing) of the snap-fit and snap-fit of the present invention.
Fig. 7 is a schematic view (with housing) of the buckle assembly device according to the present invention, in which the buckle and the buckle seat are in an initial state.
Fig. 8 shows a schematic view (with housing) of the snap-fit assembly of the present invention when the snap-fit and the snap-fit seat are brought together into contact with each other.
Fig. 9 shows a schematic view (with housing) of the snap-fit assembly of the present invention when the snap-fit and the snap-fit are assembled.
Description of element numbers:
1 buckle
2 Buckle seat
3 Base seat
4 Tensioning piece
5 Push-in part
51 Rack bar
6 Driving mechanism
61 Motion conversion assembly
62 Transmission assembly
611 Axial pressure applying part
612 Driving worm
613 First helical internal spline
614 First gear
610 Circumferential revolute pair
621 Intermediate shaft
622 Second gear
6120 First elastic piece
6110 Guiding limiting piece
31 First limit structure
6121 First driving worm
6122 Second driving worm
61221 Second elastic piece
Description of the embodiments
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 9. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are otherwise, required to achieve the objective and effect taught by the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 3 and 5 to 9, the present invention provides a buckle assembly device for assembling a buckle 1 to a buckle seat 2, the buckle assembly device comprising:
a base 3 which is provided with a plurality of holes,
the tensioning piece 4 is arranged on the base 3, one end of the tensioning piece 4 is fixed on the base 3, the other end of the tensioning piece 4 is a free end, the free end of the tensioning piece 4 is of a toothed belt structure, the tensioning piece 4 is arranged in a surrounding mode and forms a space for accommodating the buckle seat 2 on the inner side, and the tensioning piece 4 is used for pulling the buckle seat 2 towards the buckle 1;
a push-in piece 5 for pushing the buckle 1 toward the buckle seat 2, the push-in piece 5 being fixed with a rack 51 in parallel to a push-in direction;
the driving mechanism 6 is mounted on the base 3, the driving mechanism 6 comprises at least two output ends, and the two output ends of the driving mechanism 6 are respectively meshed with the free end of the tensioning piece 4 and the rack 51.
The working principle is that the tensioning piece 4 pulls the buckle seat 2 to the buckle 1, the pushing piece 5 pushes the buckle seat 2 to the buckle 1, the relative approaching of the buckle 1 and the buckle seat 2 is realized, the installation is finally realized, the rack 51, the toothed belt structure and the driving mechanism 6 are matched, the transmission is reliable and stable, and compared with the traditional manual assembly, the labor intensity is effectively reduced.
Referring to fig. 1 to 4, the driving mechanism 6 includes a motion conversion assembly 61 and a transmission assembly 62, the motion conversion assembly 61 includes an axial pressure member 611, a driving worm 612, a first helical internal spline 613 and a first gear 614, the axial pressure member 611 and the first gear 614 are coaxial and connected by a circumferential rotation pair 610, the first helical internal spline 613 and the driving worm 612 are meshed and disposed on the base 3, and the first gear 614 and the driving worm 612 are coaxially fixed; the free end of the tension member 4 engages with the drive worm 612; the circumferential revolute pair 610 is a bearing structure, and in fig. 1 and 2, the first gear 614 is an outer ring of the bearing, the axial pressing member 611 is an inner ring of the bearing, and steel balls are provided between the inner ring and the outer ring.
The transmission assembly 62 is configured to transmit rotation of the first gear 614 to the rack 51.
In the working process, the axial pressurizing member 611 pushes the driving worm 612 to rotate downwards, because the driving worm 612 is meshed with the first spiral internal spline 613, and the first gear 614 fixed at the upper end of the driving worm 612 is matched with the axial pressurizing member 611 through the circumferential revolute pair 610, so that the driving worm 612 also rotates in the downward movement process, then the first gear 614 and the first driving worm 612 are coaxially fixed, so that the first gear 614 and the first driving worm 612 can serve as output ends, the transmission assembly 62 further outputs the rotation of the first gear 614 and the first driving worm 612, or directly outputs the rotation of the first gear 614 or the first driving worm 612 to the free end of the tensioning member 4 and the rack 51, thereby respectively driving the free end of the tensioning member 4 and the rack 51, and finally realizing the mutual approaching of the buckle 1 and the buckle seat 2, and realizing the assembly.
In the present invention, the driving method of the axial pressing member 611 is not limited, and manual driving may be adopted at the time of use, and the user may press down, or driving by a motor, hydraulic pressure, or an air cylinder may be adopted to increase the degree of automation.
In a third embodiment, referring to fig. 1 to 4, the transmission assembly 62 includes a middle shaft 621 and a second gear 622, teeth engaged with the first gear 614 are provided on the middle shaft 621, the second gear 622 and the middle shaft 621 are coaxially fixed, and the second gear 622 and the rack 51 are engaged.
Through the setting of jackshaft 621 and second gear 622, realized that second gear 622 and rack 51 mesh, this is an output, the free end of taut piece 4 with drive worm 612 meshes, this is another output, the setting of jackshaft 621 for rack 51 and taut piece 4 can be on same level, guarantee the action in the assembly process reliable, avoid the taut action and push the product moment between the action, avoid buckle 1 and buckle seat 2 to pop out from the assembler in the assembly process.
Preferably, there are two second gears 622, and two second gears 622 are meshed with each other;
the racks 51 are two, and the inner sides of the two racks 51 are respectively meshed with the two second gears 622.
The two racks 51 are meshed, so that pushing-in pushing force is balanced, transmission is stable, and pushing-in action is more reliable and accurate.
The structure of the transmission assembly 62 is specifically shown in fig. 3, which is simple, and the transmission assembly 62 may also adopt an existing transmission mechanism without pursuing volume and simple structure, and the scheme of this embodiment is complicated, so that other existing embodiments will not be described herein.
Preferably, referring to fig. 2, a first elastic member 6120 is disposed at the mating end of the driving worm 612 and the base 3, and the first elastic member 6120 is used for returning the driving worm 612. The first elastic member 6120 is not provided in fig. 1, and here, the first elastic member 6120 may be applied in fig. 1 according to the installation manner of the first elastic member 6120 in fig. 2. The first elastic member 6120 can effectively reset the driving worm 612, so that the operation is more convenient.
Optionally, a guiding and limiting member 6110 is disposed at the axial pressure applying member 611, the guiding and limiting member 6110 is used for guiding the axial pressure applying member 611 in the axial direction, the guiding and limiting member 6110 is also used for limiting the rotational displacement of the axial pressure applying member 611, the guiding and limiting member 6110 is in an L-shaped structure, one end of the guiding and limiting member 6110 is fixed with the axial pressure applying member 611, and the other end of the guiding and limiting member vertically penetrates through the guiding hole of the base 3.
Preferably, referring to fig. 1, 2 and 3, the base 3 is provided with a first limiting structure 31, and the first limiting structure 31 is used for limiting the limiting distance of the driving worm 612 extending axially into the first helical internal spline 613.
Optionally, referring to fig. 1, 2 and 3, the first limiting structure 31 is a stepped hole, the end of the mating end of the driving worm 612 and the first spiral internal spline 613 is a stepped shaft, and the first elastic member 6120 is a spring, and the spring is sleeved on the stepped shaft.
The fourth embodiment is further defined on the basis of the third embodiment, and the difference is that: referring to fig. 2 to 4, there are two driving worms 612, and the driving worm 612 includes a first driving worm 6121 and a second driving worm 6122;
one end of the first driving worm 6121 is meshed with the first spiral internal spline 613, an axial hole is formed in the tail end of the other end of the first driving worm 6121, and a second spiral internal spline is arranged in the axial hole;
one end of the second driving worm 6122 is meshed with the second spiral internal spline, and the other end of the second driving worm 6122 is coaxially fixed with the first gear 614;
a second elastic piece 61221 is arranged at the second driving worm 6122, and the second elastic piece 61221 is used for returning the second driving worm 6122.
The first and second driving worms 6121, 6122 are respectively engaged with the first and second spiral internal splines 613, 613 and can be pressed downward, so that both the first and second driving worms 6121, 6122 can convert linear motion into rotational motion.
Optionally, referring to fig. 2 and 3, the pitch diameter of the first gear 614 is larger than the pitch diameter of the second driving worm 6122, and the pitch diameter of the first driving worm 6121 is larger than the pitch diameter of the second driving worm 6122;
the second elastic piece 61221 is a spring, and the second elastic piece 61221 is sleeved on the second driving worm 6122.
The limit to the spring is realized through the structure of ladder, simple structure, it is ripe to use, and is with low costs.
Alternatively, referring to fig. 2 and 3, the elastic coefficient of the first elastic member 6120 is smaller than that of the second elastic member 61221.
During operation, the axial pressing member 611 presses the second driving worm 6122 downwards, at this time, the second elastic member 61221 is stressed at first, then the force is transmitted to the first driving worm 6121, then the first driving worm 6121 transmits the pressure to the first elastic member 6120, because the elastic coefficient of the first elastic member 6120 is smaller, the deformation of the first elastic member 6120 is easier than that of the second elastic member 61221, at the beginning, the first elastic member 6120 is deformed first or the deformation of the first elastic member 6120 is larger than that of the second elastic member 61221, thereby causing the relative change of the engagement depth of the first driving worm 6121 and the first spiral internal spline 613, at this time, the first driving worm 6121 and the second driving worm 6122 rotate, after the force reaches a certain degree, the first elastic member 6120 is deformed to the limit position, the engagement depth of the second driving worm 6122 and the second spiral internal spline can still be changed, at this time, the first driving worm 6121 does not rotate, the second driving worm 6122 further goes deep into the first spiral internal spline 613 of the first driving worm 6121, at this time, the first driving worm 6121 does not rotate, the second driving worm 6122 moves downward and rotates, the change of the output of the rack 51 and the change of the tightening degree of the free end of the tightening piece 4 are realized through the above changes of the rotation and the non-rotation of the first driving worm 6121 and the second driving worm 6122, particularly, to the buckle 1 and the buckle seat 2, please refer to fig. 5-9, a housing is arranged on the assembler, the housing can be fixedly connected with the base 3 or detachably and fixedly connected with various parts in the housing, in fig. 5-9, the specific action flow is that the buckle 1 and the buckle seat 2 are relatively close at the same time just, then the movement of the buckle seat 2 is stopped, the push-in part 5 is pushed into the buckle seat 2 to finish the final action of assembly, so that the assembly effect is better. Due to the staged assembly action, the alignment state of the buckle and the buckle seat can be adjusted in the assembly process.
In summary, the invention can reduce the labor intensity of operators and improve the assembly efficiency. The cooperation of the tightening member 4 and the pushing member 5 can realize the cooperative action of the buckle 1 and the buckle seat 2. The whole assembler has simple structure and small volume. Through the cooperation of first drive worm 6121 and second drive worm 6122, and through the setting of the elasticity coefficient of first elastic component 6120 and second elastic component 61221, realized buckle 1 and buckle seat 2's assembly by stages, the effect of assembly is better. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (7)

1. A snap-fit assembly for assembling a snap-fit onto a snap-fit seat, the snap-fit assembly comprising:
a base, a base seat and a base seat,
the tensioning piece is arranged on the base, one end of the tensioning piece is fixed on the base, the other end of the tensioning piece is a free end, the free end of the tensioning piece is of a toothed belt structure, the tensioning piece is arranged in a surrounding mode and forms a space for accommodating the buckle seat on the inner side, and the tensioning piece is used for pulling the buckle seat to the buckle;
the pushing-in piece is used for pushing the buckle to the buckle seat, and a rack is fixed on the pushing-in piece in parallel to the pushing-in direction;
the driving mechanism is arranged on the base and at least comprises two output ends, and the two output ends of the driving mechanism are respectively meshed with the free end of the tensioning piece and the rack; the driving mechanism comprises a motion conversion assembly and a transmission assembly, the motion conversion assembly comprises an axial pressure applying part, a driving worm, a first spiral internal spline and a first gear, the axial pressure applying part and the first gear are coaxial and connected through a circumferential rotation pair, the first spiral internal spline is meshed with the driving worm and arranged on the base, and the first gear and the driving worm are coaxially fixed;
the free end of the tensioning piece is meshed with the driving worm;
the transmission assembly is used for transmitting the rotation of the first gear to the rack;
the transmission assembly comprises an intermediate shaft and a second gear, teeth meshed with the first gear are arranged on the intermediate shaft, the second gear and the intermediate shaft are coaxially fixed, and the second gear is meshed with the rack;
the driving worm and the base are provided with a first elastic piece at the matching end, and the first elastic piece is used for returning the driving worm;
the axial pressure applying part is provided with a guide limiting part, the guide limiting part is used for guiding the axial pressure applying part in the axial direction, and the guide limiting part is also used for limiting the rotation displacement of the axial pressure applying part.
2. The snap fit assembly of claim 1, wherein: two second gears are meshed with each other;
the racks are two, and the inner sides of the two racks are respectively meshed with the two second gears.
3. The snap fit assembly of claim 1, wherein: the base is provided with a first limiting structure, and the first limiting structure is used for limiting the limit distance of the driving worm extending into the first spiral internal spline in the axial direction.
4. A snap fit assembly as claimed in claim 3, wherein: the first limiting structure is a stepped hole, the tail end of the matching end of the driving worm and the first spiral internal spline is a stepped shaft, the first elastic piece is a spring, and the spring is sleeved on the stepped shaft.
5. The snap fit assembly of claim 1, wherein: the two driving worms comprise a first driving worm and a second driving worm;
one end of the first driving worm is meshed with the first spiral internal spline, an axial hole is formed in the tail end of the other end of the first driving worm, and a second spiral internal spline is arranged in the axial hole;
one end of the second driving worm is meshed with the second spiral internal spline, and the other end of the second driving worm is coaxially fixed with the first gear;
the second driving worm is provided with a second elastic piece, and the second elastic piece is used for returning the second driving worm.
6. The snap fit assembly of claim 5, wherein: the pitch circle diameter of the first gear is larger than that of the second driving worm, and the pitch circle diameter of the first driving worm is larger than that of the second driving worm;
the second elastic piece is a spring and is sleeved on the second driving worm.
7. The snap fit assembly of claim 5 or 6, wherein: the elastic coefficient of the first elastic piece is smaller than that of the second elastic piece.
CN201810955260.2A 2018-08-21 2018-08-21 Buckle assembler Active CN108971922B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN108971922B true CN108971922B (en) 2023-07-25

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Publication number Priority date Publication date Assignee Title
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CH216094A (en) * 1940-09-28 1941-07-31 Roethlisberger Hermann Device for attaching snow chains to vehicles.
US4290194A (en) * 1978-11-06 1981-09-22 Yoshida Kogyo K. K. Apparatus for interengaging opposed rows of slide fastener coupling elements
WO1991011651A1 (en) * 1990-01-16 1991-08-08 Proprietary Technology, Inc. Snap and lock quick connector
US6415490B1 (en) * 2001-03-16 2002-07-09 Atlas Copco Tools Ab Portable power tool for mounting via a press fit a machine part onto a shaft
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CN204368051U (en) * 2014-12-29 2015-06-03 北京韩一汽车饰件有限公司 Car bayonet catch seat installation structure
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CN206475481U (en) * 2017-01-20 2017-09-08 湖州久通物流机械有限公司 A kind of pneumatic press
CN206519905U (en) * 2017-03-09 2017-09-26 王佩瑶 A kind of pressure type pin removal
CN107570992A (en) * 2017-09-12 2018-01-12 上海新孚美变速箱技术服务有限公司 A kind of multi-functional tension and compression equipment applied to automatic gearbox of vehicles maintenance

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