CN218147284U - Thread take-up lever structure - Google Patents
Thread take-up lever structure Download PDFInfo
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- CN218147284U CN218147284U CN202222632681.6U CN202222632681U CN218147284U CN 218147284 U CN218147284 U CN 218147284U CN 202222632681 U CN202222632681 U CN 202222632681U CN 218147284 U CN218147284 U CN 218147284U
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Abstract
The utility model discloses a take-up lever structure, which comprises a take-up lever pin shaft, a first take-up lever and a second take-up lever; the first take-up lever comprises a first mounting seat and a first take-up lever main body arranged on the first mounting seat, the first mounting seat is provided with a first mounting hole used for sleeving the first mounting seat on the take-up lever pin shaft, and the first mounting seat has deformability so that the inner wall of the first mounting hole is tightly or loosely matched with the outer wall of the take-up lever pin shaft; the second take-up lever comprises a second mounting seat and a second take-up lever main body arranged on the second mounting seat, the second mounting seat is provided with a second mounting hole used for sleeving the second mounting hole on the take-up lever pin shaft, and the second mounting seat has deformability so that the inner wall of the second mounting hole is tightly matched or loosely matched with the outer wall of the take-up lever pin shaft. The utility model discloses its make things convenient for first take-up lever and second take-up lever to install to take-up lever epaxial round pin, and convenient adjustment.
Description
Technical Field
The utility model belongs to the technical field of the take-up lever structural design and specifically relates to a take-up lever structure convenient to installation, regulation.
Background
The take-up lever structure is mainly used for the head part of textile machinery such as an embroidery machine and the like, and plays a role in taking up threads.
The existing take-up lever structure is shown in fig. 1 and 2, and during installation, a second take-up lever is sleeved on a take-up lever pin shaft and fixed by a screw; the first take-up lever is sleeved on a shaft sleeve of the second take-up lever, and a screw is used for enabling a mounting hole, which is used for being sleeved on the shaft sleeve of the second take-up lever, of the second take-up lever to be tightly matched with the shaft sleeve of the second take-up lever, so that the overall mounting of the take-up lever structure is realized, and the mounting is complex; and if the position angle of the second take-up lever needs to be adjusted, the first take-up lever needs to be unlocked first, and then the second take-up lever needs to be unlocked to realize adjustment, which is very troublesome.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a take-up lever structure, which has the deformation capacity through a first mounting seat and a second mounting seat, so that the inner walls of the first mounting hole and the second mounting hole are tightly or loosely matched with the outer wall of a take-up lever pin shaft, and the first take-up lever and the second take-up lever are conveniently mounted on the take-up lever pin shaft; and the first take-up lever and the second take-up lever can be independently and respectively adjusted, and are not mutually influenced during adjustment, so that the adjustment is convenient.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a take-up lever structure comprises a take-up lever pin shaft, a first take-up lever and a second take-up lever;
the first take-up lever comprises a first mounting seat and a first take-up lever main body arranged on the first mounting seat, the first mounting seat is provided with a first mounting hole for sleeving the first mounting seat on the take-up lever pin shaft, and the first mounting seat has deformation capacity so that the inner wall of the first mounting hole is tightly or loosely matched with the outer wall of the take-up lever pin shaft;
the second take-up lever comprises a second mounting seat and a second take-up lever main body arranged on the second mounting seat, the second mounting seat is provided with a second mounting hole used for sleeving the second mounting hole on the take-up lever pin shaft, and the second mounting seat has deformability so that the inner wall of the second mounting hole is tightly matched or loosely matched with the outer wall of the take-up lever pin shaft.
During installation, an operator firstly enables the first installation hole and the second installation hole to be in a state that the inner walls of the first installation hole and the second installation hole can be loosely matched with the take-up lever shaft pin, and at the moment, the first installation seat and the second installation seat can be sleeved on the take-up lever shaft pin to finish pre-installation of the first take-up lever and the second take-up lever; an operator operates the first mounting seat and the second mounting seat again to enable the first mounting hole and the second mounting hole to be in a state that the inner walls of the first mounting hole and the second mounting hole can be tightly matched with the thread take-up lever shaft pin, so that the first thread take-up lever and the second thread take-up lever are mounted;
during adjustment, if an operator wants to adjust the position or the angle of the first take-up lever, the operator only needs to operate the first mounting seat firstly to enable the inner wall of the first mounting hole to be in a loose fit state with the take-up lever shaft pin, at the moment, the operator can adjust the position or the angle of the first take-up lever, and after the first mounting seat is adjusted to a preset position, the operator operates the first mounting seat again to enable the inner wall of the first mounting hole to be in a tight fit state with the take-up lever shaft pin, so that the adjustment is completed; if the operator wants to adjust the position or the angle of the second take-up lever, the same principle as the adjustment of the first take-up lever is adopted;
by adopting the structure, the first mounting seat and the second mounting seat have deformability, so that the inner walls of the first mounting hole and the second mounting hole are tightly or loosely matched with the outer wall of the take-up lever pin shaft, and the first take-up lever and the second take-up lever are conveniently mounted on the take-up lever pin shaft; and the first take-up lever and the second take-up lever can be independently and respectively adjusted and are not mutually influenced during adjustment.
Further, the thread take-up lever structure comprises a first locking piece and a second locking piece; under the normal state of the first mounting seat, the inner wall of the first mounting hole is loosely matched with the outer wall of the take-up lever pin shaft, and under the deformation state of the first mounting seat, the first mounting hole is tightly matched with the outer wall of the take-up lever pin shaft; the first locking piece acts on the first mounting seat to enable the first mounting seat to deform and keep;
under a normal state of the second mounting seat, the inner wall of the second mounting hole is loosely matched with the outer wall of the take-up lever pin shaft, and under a deformed state of the second mounting seat, the second mounting hole is tightly matched with the outer wall of the take-up lever pin shaft; the second locking piece acts on the second mounting seat to enable the second mounting seat to deform and maintain.
"under normal" is understood to mean: the first mounting seat and the second mounting seat are in an undeformed state;
by adopting the structure, the arrangement of the first locking piece and the second locking piece facilitates the operation of an operator on the first mounting seat and the second mounting seat so as to change the first mounting seat and the second mounting seat between a normal state and a deformation state, and the first locking piece and the second locking piece can keep the deformation of the first mounting seat and the second mounting seat, namely, the stability of the installation of the first take-up lever and the second take-up lever is ensured.
Further, the first mounting seat comprises a first mounting portion, the first mounting portion is formed into a non-closed circular ring shape with a first gap, an inner circle of the first mounting portion is formed into the first mounting hole, the first mounting portion protrudes outwards at two ends of the first gap to form a first locking portion and a second locking portion, and the first locking portion acts on the first locking portion and the second locking portion to enable the first locking portion and the second locking portion to be close to each other;
the second mount pad includes the second installation department, the second installation department is formed into the non-closed ring form that has the second breach just the interior circle of second installation department forms the second mounting hole, the second installation department is in the both ends of second breach are outside protruding formation third sticking department and fourth sticking department respectively, the second locking piece acts on third locking piece and fourth locking piece make third sticking department and fourth sticking department are close to each other.
By adopting the structure, the first installation part has the deformation capacity through the first arrangement of the first installation part so as to realize loose fit and tight fit of the inner wall of the first installation hole and the take-up lever shaft pin; the first locking part and the second locking part are arranged to facilitate the first locking part to control the deformation of the first mounting part; when the first locking piece enables the first locking part and the second locking part to be close to each other, the first locking part and the second locking part drive the first mounting part to deform, and the inner wall of the first mounting hole is tightly matched with the take-up lever shaft pin; when the first locking part releases the limitation on the first locking part and the second locking part, the first mounting part is restored and drives the first locking part and the second locking part to be far away, so that the inner wall of the first mounting hole is loosely matched with the take-up lever shaft pin; the second mounting seat has the same structure.
Further, the first locking portion is provided with a first through hole along a direction in which the first locking portion and the second locking portion are close to and away from each other, and the second locking portion is provided with a first threaded hole coaxial with the first through hole; one end of the first locking piece is provided with a first limiting part with the diameter larger than the aperture of the first perforation, the other end of the first locking piece is provided with a first threaded part matched with the first threaded hole, and the first threaded part of the first locking piece is matched with the first threaded hole after penetrating through the first perforation;
the third locking portion is provided with a second through hole along a direction in which the third locking portion and a fourth locking portion are close to and away from each other, and the fourth locking portion is provided with a second threaded hole coaxial with the second through hole; one end of the second locking piece is provided with a second limiting part with a diameter larger than the second perforation aperture, the other end of the second locking piece is provided with a second thread part matched with the second thread hole, and the second thread part of the second locking piece is matched with the second thread hole after passing through the second perforation.
With the structure, the first locking piece is in threaded fit with the first threaded hole, so that the first locking part and the second locking part are controlled to be close to each other and the limitation on the first locking part and the second locking part is released; the second locking piece has the same structure.
Specifically, the first through hole and the second through hole are counter bores.
Further, the first thread take-up lever main body comprises a first thread take-up lever body and a first rolling body, one end of the first thread take-up lever body is connected with the first mounting seat, the other end of the first thread take-up lever body is provided with a first rolling body mounting part, and the first rolling body is rotatably mounted on the first rolling body mounting part;
the second take-up lever main body comprises a second take-up lever body and a second rolling body, one end of the second take-up lever body is connected with the second mounting seat, the other end of the second take-up lever body is provided with a second rolling body mounting part, and the second rolling body is rotatably mounted on the second rolling body mounting part;
the rotational axis of the second rolling element is parallel to the rotational axis of the first rolling element.
Further, first rolling element installation department is the U type structure, first rolling element rotates and sets up in the U type recess of U type structure.
Furthermore, a rotating shaft through hole is formed in the side wall of one end of the U-shaped groove, a rotating shaft threaded hole coaxial with the rotating shaft through hole is formed in the side wall of the other end of the U-shaped groove, and the diameter of the rotating shaft through hole is larger than that of the rotating shaft threaded hole; the first rolling body is arranged in the U-shaped groove by means of a first rotating shaft, the diameter of the first rotating shaft is matched with that of the rotating shaft through hole, and a first rotating shaft thread mounting part matched with the rotating shaft thread hole is arranged at one end of the first rotating shaft; the first rolling body is provided with a first rotating through hole matched with the first rotating shaft.
By adopting the structure, the first rolling body is convenient to install; during installation, firstly, the first rolling body is placed in the U-shaped groove, and then the end, with the first rotating thread installation part, of the first rotating shaft sequentially penetrates through the rotating shaft through hole and the first rotating through hole and then is in thread fit with the rotating shaft threaded hole.
Further, the take-up lever structure comprises a second rotating shaft, the second rotating shaft is fixedly arranged on the second rolling body mounting portion, and the second rolling body is provided with a second rotating through hole matched with the second rotating shaft and sleeved on the second rotating shaft.
Further, the one end of second pivot is provided with second pivot screw thread installation department, the other end is provided with the diameter and is greater than the restriction portion in second rotation through-hole aperture, second pivot screw thread installation department runs through cooperate with fixation nut behind the second rolling element installation department.
Further, the take-up lever structure comprises a gasket, and the gasket is sleeved on the second rotating shaft and located between the second rolling body and the second rolling body mounting portion.
Further, along the direction from one end of the first take-up lever body connected with the first mounting seat to the other end of the first take-up lever body, the width of the first take-up lever body is gradually reduced;
the width of the second thread take-up lever body is gradually reduced along the direction from one end of the second thread take-up lever body connected with the second mounting seat to the other end of the second thread take-up lever body.
Further, the first take-up lever body and the first mounting seat are an integrated piece and made of aluminum; the second take-up lever body and the second mounting seat are integrated and made of aluminum.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) The take-up lever structure of the utility model has the deformation capacity through the first mounting seat and the second mounting seat, so that the inner walls of the first mounting hole and the second mounting hole are tightly matched or loosely matched with the outer wall of the take-up lever pin shaft, and the first take-up lever and the second take-up lever are conveniently arranged on the take-up lever pin shaft; and the first take-up lever and the second take-up lever can be independently and respectively adjusted, and are not mutually influenced during adjustment, so that the adjustment is convenient.
(2) The utility model discloses a take-up lever structure, its structural design is reasonable.
Drawings
FIG. 1 is a schematic view of a conventional thread take-up lever structure;
FIG. 2 is an exploded view of a prior art take-up lever structure;
FIG. 3 is a schematic structural view of the thread take-up lever structure of the utility model;
FIG. 4 is an exploded view of the take-up lever structure of the utility model;
FIG. 5 is a schematic view showing a first thread take-up lever of the thread take-up lever structure of the utility model;
FIG. 6 is a schematic view showing a second thread take-up lever of the thread take-up lever structure of the utility model;
reference numerals: 1, a take-up lever pin shaft; 2a first thread take-up lever; 201 a first mounting seat; 2011. a first mounting hole; 2012a first mounting portion; 2012a first gap; 2013a first locking portion; 2013a first perforation; 2014 second locking part; 2014a first threaded hole; 202 a first take-up lever body; 2021 a first thread take-up lever body; 2022a first rolling element; 2022a first rotation through hole; 2023a first rolling element mounting portion; 2023a U type groove; 2023b a through hole for a rotation shaft; 2023c spindle threaded hole; 3a second take-up lever; 301 a second mount; 3011 a second mounting hole; 3012a second mounting portion; 3012a second notch; 3013a third locking portion; 3013a second perforation; 3014a fourth locking portion; 3014a second threaded hole; 302 a second thread take-up lever main body; 3021 a second thread take-up lever body; 3022 second rolling elements; 3022a second rotary through hole; 3023 a second rolling element mounting portion; 4a first rotating shaft; 401 a first shaft threaded mount; 5 a second rotating shaft; 501 a second rotating shaft thread mounting part; a 502 restriction section; 6 fixing a screw cap; 7 shim.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in FIGS. 3 to 6, a thread take-up lever structure comprises a thread take-up lever pin 1, a first thread take-up lever 2, and a second thread take-up lever 3;
the first take-up lever 2 comprises a first mounting seat 201 and a first take-up lever main body 202 arranged on the first mounting seat 201, the first mounting seat 201 is provided with a first mounting hole 2011 for sleeving the first mounting seat 201 on the take-up lever pin shaft 1, and the first mounting seat 201 has deformation capacity so that the inner wall of the first mounting hole 2011 is tightly or loosely matched with the outer wall of the take-up lever pin shaft 1;
the second take-up lever 3 includes second mount pad 301 and sets up second take-up lever main part 302 on the second mount pad 301, second mount pad 301 is provided with and is used for establishing its cover the second mounting hole 3011 of take-up lever round pin axle 1, just second mount pad 301 has deformability and makes the inner wall of second mounting hole 3011 with take-up lever round pin axle 1 outer wall close-fitting or loose fitting.
During installation, an operator firstly enables the first installation hole 2011 and the second installation hole 3011 to be in a state that the inner walls of the first installation hole 2011 and the second installation hole 3011 can be loosely matched with the take-up lever shaft pin, and at this time, the first installation base 201 and the second installation base 301 can be sleeved on the take-up lever shaft pin to finish pre-installation of the first take-up lever 2 and the second take-up lever 3; an operator operates the first mounting seat 201 and the second mounting seat 301 again to enable the first mounting hole 2011 and the second mounting hole 3011 to be in a state that the inner walls of the first mounting hole 2011 and the second mounting hole 3011 can be tightly matched with the take-up lever shaft pin, so that the first take-up lever 2 and the second take-up lever 3 are mounted;
during adjustment, if an operator wants to adjust the position or angle of the first thread take-up lever 2, the operator only needs to operate the first mounting seat 201 first to enable the first mounting hole 2011 to be in a state that the inner wall of the first mounting hole 2011 is loosely matched with the thread take-up lever shaft pin, at this time, the operator can adjust the position or angle of the first thread take-up lever 2, and after the adjustment is performed at a preset position, the operator operates the first mounting seat 201 again to enable the first mounting hole 2011 to be in a state that the inner wall of the first mounting hole 2011 is tightly matched with the thread take-up lever shaft pin, so that the adjustment is completed; if the operator wants to adjust the position or the angle of the second take-up lever 3, the same principle as the adjustment of the first take-up lever 2 is adopted;
by adopting the structure, the first mounting seat 201 and the second mounting seat 301 have deformation capacity, so that the inner walls of the first mounting hole 2011 and the second mounting hole 3011 are tightly or loosely matched with the outer wall of the take-up lever pin shaft 1, and the first take-up lever 2 and the second take-up lever 3 are conveniently mounted on the take-up lever pin shaft; and the first take-up lever 2 and the second take-up lever 3 can be independently and respectively adjusted and are not mutually influenced when being adjusted.
Further, the thread take-up lever structure comprises a first locking piece and a second locking piece; under a normal state of the first mounting seat 201, the inner wall of the first mounting hole 2011 is loosely matched with the outer wall of the take-up lever pin shaft 1, and under a deformed state of the first mounting seat 201, the first mounting hole 2011 is tightly matched with the outer wall of the take-up lever pin shaft 1; the first locking part acts on the first mounting seat 201 to enable the first mounting seat 201 to deform and maintain;
under a normal state of the second mounting seat 301, the inner wall of the second mounting hole 3011 is loosely fitted with the outer wall of the take-up lever pin shaft 1, and under a deformation state of the second mounting seat 301, the second mounting hole 3011 is tightly fitted with the outer wall of the take-up lever pin shaft 1; the second locking member acts on the second mounting base 301 to deform and hold the second mounting base 301.
"under normal" is understood to mean: the first mounting seat 201 and the second mounting seat 301 are in an undeformed state;
by adopting the structure, the arrangement of the first locking piece and the second locking piece facilitates the operation of the operator on the first mounting seat 201 and the second mounting seat 301 so as to change between a normal state and a deformation state, and the first locking piece and the second locking piece can keep the deformation of the first mounting seat 201 and the second mounting seat 301, namely, the stability of the installation of the first take-up lever 2 and the second take-up lever 3 is ensured.
Further, the first mounting seat 201 includes a first mounting part 2012, the first mounting part 2012 is formed into a non-closed circular ring shape with a first notch 2012a and an inner circle of the first mounting part 2012 is formed into the first mounting hole 2011, the first mounting part 2012 protrudes outwards at two ends of the first notch 2012a to form a first locking part 2013 and a second locking part 2014, and the first locking part acts on the first locking part and the second locking part to enable the first locking part 2013 and the second locking part 2014 to approach each other;
the second mounting seat 301 includes a second mounting portion 3012, the second mounting portion 3012 is formed into a non-closed circular ring shape having a second gap 3012a, an inner circle of the second mounting portion 3012 is formed into the second mounting hole 3011, the second mounting portion 3012 protrudes outward at two ends of the second gap 3012a to form a third locking portion 3013 and a fourth locking portion 3014, and the second locking element acts on the third locking element and the fourth locking element to make the third locking portion 3013 and the fourth locking portion 3014 approach to each other.
With the adoption of the structure, the first arrangement of the first mounting part 2012 enables the first mounting part 2012 to have the deformation capacity so as to realize loose fit and tight fit of the inner wall of the first mounting hole 2011 and the take-up lever shaft pin; the first locking part 2013 and the second locking part 2014 are arranged to facilitate the first locking part to control the deformation of the first mounting part 2012; when the first locking part enables the first locking part 2013 and the second locking part 2014 to approach each other, the first locking part 2013 and the second locking part 2014 drive the first mounting part 2012 to deform, so that the inner wall of the first mounting hole 2011 is tightly matched with the take-up lever shaft pin; when the limitation of the first locking part to the first locking part 2013 and the second locking part 2014 is removed, the first mounting part 2012 is restored and drives the first locking part 2013 and the second locking part 2014 to be far away, so that the inner wall of the first mounting hole 2011 is loosely matched with the take-up lever shaft pin; the second mounting seat 301 has the same structure.
Further, the first locking portion 2013 is provided with a first perforation 2013a along a direction in which the first locking portion 2013 and the second locking portion 2014 are close to and away from each other, and the second locking portion 2014 is provided with a first screw hole 2014a coaxial with the first perforation 2013 a; one end of the first locking piece is provided with a first limiting part with the diameter larger than the aperture of the first perforation 2013a, the other end of the first locking piece is provided with a first thread part matched with the first thread hole 2014a, and the first thread part of the first locking piece passes through the first perforation 2013a and then is matched with the first thread hole 2014a;
the third locking portion 3013 is provided with a second through hole 3013a along a direction in which the third locking portion 3013 and the fourth locking portion 3014 come close to and away from each other, and the fourth locking portion 3014 is provided with a second screw hole 3014a coaxial with the second through hole 3013 a; one end of the second locking piece is provided with a second limiting part with the diameter larger than the aperture of the second through hole 3013a, the other end of the second locking piece is provided with a second threaded part matched with the second threaded hole 3014a, and the second threaded part of the second locking piece is matched with the second threaded hole 3014a after passing through the second through hole 3013 a.
With the above structure, the first locking member is screw-engaged with the first screw hole 2014a to control the first locking portion 2013 and the second locking portion 2014 to approach each other and to release the restriction on the first locking portion 2013 and the second locking portion 2014; the second locking piece has the same structure.
Specifically, the first perforation 2013a and the second perforation 3013a are counter bores.
Further, the first thread take-up lever main body 202 comprises a first thread take-up lever body 2021 and a first rolling body 2022, one end of the first thread take-up lever body 2021 is connected with the first mounting seat 201, the other end is provided with a first rolling body mounting part 2023, and the first rolling body 2022 is rotatably mounted on the first rolling body mounting part 2023;
the second thread take-up lever main body 302 includes a second thread take-up lever body 3021 and a second rolling body 3022, one end of the second thread take-up lever body 3021 is connected to the second mounting base 301, and the other end is provided with a second rolling body mounting part 3023, and the second rolling body 3022 is rotatably mounted on the second rolling body mounting part 3023;
the rotational axis of the second rolling element 3022 is parallel to the rotational axis of the first rolling element 2022.
Further, the first rolling element mounting portion 2023 has a U-shaped structure, and the first rolling element 2022 is rotatably disposed in a U-shaped groove 2023A of the U-shaped structure.
Further, a rotating shaft through hole 2023b is formed in a side wall of one end of the U-shaped groove 2023A, a rotating shaft threaded hole 2023c coaxial with the rotating shaft through hole 2023b is formed in a side wall of the other end of the U-shaped groove 2023A, and a diameter of the rotating shaft through hole 2023b is larger than a diameter of the rotating shaft threaded hole 2023 c; the first rolling body 2022 is mounted in the U-shaped groove 2023A by means of a first rotating shaft 4, the diameter of the first rotating shaft 4 matches the diameter of the rotating shaft through hole 2023b, and a first rotating shaft threaded mounting portion 401 matching the rotating shaft threaded hole 2023c is arranged at one end of the first rotating shaft 4; the first rolling element 2022 is provided with a first rotation through hole 2022a that matches the first rotation shaft 4.
With the above structure, the mounting of the first rolling body 2022 is facilitated; when the assembly is performed, the first rolling element 2022 is placed in the U-shaped groove 2023A, and then the end of the first rotating shaft 4 with the first rotating thread mounting portion passes through the rotating shaft through hole 2023b and the first rotating through hole 2022a in sequence and then is in thread fit with the rotating shaft threaded hole 2023 c.
Further, the thread take-up lever structure includes a second rotating shaft 5, the second rotating shaft 5 is fixedly disposed on the second rolling element mounting portion 3023, the second rolling element 3022 is provided with a second rotating through hole 3022a matched with the second rotating shaft 5, and the second rotating shaft 5 is sleeved with the second rotating through hole 3022 a.
Further, the one end of second pivot 5 is provided with second pivot thread mounting 501, and the other end is provided with the diameter and is greater than the restriction 502 in second rotation through-hole 3022a aperture, second pivot thread mounting 501 runs through cooperate with fixation nut 6 behind the second rolling element installation 3023.
Further, the thread take-up lever structure comprises a gasket 7, wherein the gasket 7 is sleeved on the second rotating shaft 5 and is located between the second rolling body 3022 and the second rolling body mounting portion 3023.
Further, along the direction from the connecting end of the first thread take-up lever body 2021 with the first mounting seat 201 to the other end thereof, the width of the first thread take-up lever body 2021 gradually decreases;
the width of the second thread take-up lever body 3021 gradually decreases along the direction from the connecting end of the second thread take-up lever body 3021 to the other end of the second mounting seat 301.
Further, the first thread take-up lever body 2021 and the first mounting seat 201 are an integral piece and made of aluminum; the second thread take-up lever body 3021 and the second mounting seat 301 are an integral piece and made of aluminum.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (10)
1. A take-up lever structure is characterized in that: comprises a take-up lever pin shaft (1), a first take-up lever (2) and a second take-up lever (3);
the first take-up lever (2) comprises a first mounting seat (201) and a first take-up lever main body (202) arranged on the first mounting seat (201), the first mounting seat (201) is provided with a first mounting hole (2011) for sleeving the first mounting seat on the take-up lever pin shaft (1), and the first mounting seat (201) has deformation capacity so that the inner wall of the first mounting hole (2011) is tightly or loosely matched with the outer wall of the take-up lever pin shaft (1);
the second take-up lever (3) comprises a second mounting seat (301) and a second take-up lever main body (302) arranged on the second mounting seat (301), the second mounting seat (301) is provided with a second mounting hole (3011) used for sleeving the second mounting seat with the second mounting hole, and the second mounting seat (301) has deformation capacity so that the inner wall of the second mounting hole (3011) is tightly matched with or loosely matched with the outer wall of the take-up lever pin shaft (1).
2. The thread take-up lever structure according to claim 1, wherein: comprises a first locking part and a second locking part; under a normal state of the first mounting seat (201), the inner wall of the first mounting hole (2011) is loosely matched with the outer wall of the take-up lever pin shaft (1), and under a deformation state of the first mounting seat (201), the first mounting hole (2011) is tightly matched with the outer wall of the take-up lever pin shaft (1); the first locking piece acts on the first mounting seat (201) to enable the first mounting seat (201) to deform and keep;
under the normal state of the second mounting seat (301), the inner wall of the second mounting hole (3011) is loosely matched with the outer wall of the take-up lever pin shaft (1), and under the deformation state of the second mounting seat (301), the second mounting hole (3011) is tightly matched with the outer wall of the take-up lever pin shaft (1); the second locking piece acts on the second mounting seat (301) to enable the second mounting seat (301) to deform and maintain.
3. The thread take-up lever structure according to claim 2, wherein: the first mounting seat (201) comprises a first mounting part (2012), the first mounting part (2012) is formed into a non-closed circular ring shape with a first gap (2012 a), the inner circle of the first mounting part (2012) is formed into a first mounting hole (2011), the first mounting part (2012) protrudes outwards at two ends of the first gap (2012 a) to form a first locking part (2013) and a second locking part (2014), and the first locking part acts on the first locking part (2013) and the second locking part (2014) to enable the first locking part and the second locking part to be close to each other;
second mount pad (301) includes second installation department (3012), second installation department (3012) form to have the non-closed ring form of second breach (3012 a) just the interior circle of second installation department (3012) forms second mounting hole (3011), second installation department (3012) are in the both ends of second breach (3012 a) are outwards protruding respectively and are formed third locking portion (3013) and fourth locking portion (3014), the second locking piece acts on third locking piece and fourth locking piece make third locking portion (3013) and fourth locking portion (3014) are close to each other.
4. The thread take-up lever structure according to claim 3, wherein: the first locking part (2013) is provided with a first perforation (2013 a) along a direction in which the first locking part (2013) and a second locking part (2014) are close to and away from each other, and the second locking part (2014) is provided with a first threaded hole (2014 a) coaxial with the first perforation (2013 a); one end of the first locking piece is provided with a first limiting part with the diameter larger than the aperture of the first perforation (2013 a), the other end of the first locking piece is provided with a first threaded part matched with the first threaded hole (2014 a), and the first threaded part of the first locking piece is matched with the first threaded hole (2014 a) after passing through the first perforation (2013 a);
the third locking part (3013) is provided with a second through hole (3013 a) along a direction in which the third locking part (3013) and a fourth locking part (3014) are close to and away from each other, and the fourth locking part (3014) is provided with a second screw hole (3014 a) coaxial with the second through hole (3013 a); one end of the second locking piece is provided with a second limiting part with the diameter larger than the aperture of the second through hole (3013 a), the other end of the second locking piece is provided with a second threaded part matched with the second threaded hole (3014 a), and the second threaded part of the second locking piece is matched with the second threaded hole (3014 a) after penetrating through the second through hole (3013 a).
5. The thread take-up lever structure according to claim 1, wherein: the first take-up lever main body (202) comprises a first take-up lever body (2021) and a first rolling body (2022), one end of the first take-up lever body (2021) is connected with the first mounting seat (201), the other end of the first take-up lever body is provided with a first rolling body mounting part (2023), and the first rolling body (2022) is rotatably mounted on the first rolling body mounting part (2023);
the second thread take-up lever main body (302) comprises a second thread take-up lever body (3021) and a second rolling body (3022), one end of the second thread take-up lever body (3021) is connected with the second mounting seat (301), the other end of the second thread take-up lever body is provided with a second rolling body mounting part (3023), and the second rolling body (3022) is rotatably mounted on the second rolling body mounting part (3023);
the rotational axis of the second rolling element (3022) is parallel to the rotational axis of the first rolling element (2022).
6. The thread take-up lever structure according to claim 5, wherein: the first rolling element mounting part (2023) is of a U-shaped structure, and the first rolling element (2022) is rotatably arranged in a U-shaped groove (2023A) of the U-shaped structure.
7. The thread take-up lever structure according to claim 6, wherein: a rotating shaft through hole (2023 b) is formed in the side wall of one end of the U-shaped groove (2023A), a rotating shaft threaded hole (2023 c) which is coaxial with the rotating shaft through hole (2023 b) is formed in the side wall of the other end of the U-shaped groove, and the diameter of the rotating shaft through hole (2023 b) is larger than that of the rotating shaft threaded hole (2023 c); the first rolling body (2022) is mounted in the U-shaped groove (2023A) by means of a first rotating shaft (4), the diameter of the first rotating shaft (4) is matched with that of the rotating shaft through hole (2023 b), and a first rotating shaft threaded mounting part (401) matched with the rotating shaft threaded hole (2023 c) is arranged at one end of the first rotating shaft (4); the first rolling body (2022) is provided with a first rotating through hole (2022 a) matched with the first rotating shaft (4).
8. The thread take-up lever structure according to claim 5, wherein: the rolling device comprises a second rotating shaft (5), wherein the second rotating shaft (5) is fixedly arranged on a second rolling body mounting part (3023), and a second rotating through hole (3022 a) matched with the second rotating shaft (5) is formed in the second rolling body (3022) to be sleeved on the second rotating shaft (5);
one end of second pivot (5) is provided with second pivot screw thread installation department (501), the other end is provided with the diameter and is greater than second rotation through-hole (3022 a) aperture restriction portion (502), second pivot screw thread installation department (501) run through cooperate with fixation nut (6) behind second rolling element installation department (3023).
9. The thread take-up lever structure according to claim 8, wherein: including gasket (7), gasket (7) cover is established on second pivot (5) and be located second rolling element (3022) with between second rolling element installation department (3023).
10. The thread take-up lever structure according to claim 5, wherein: the width of the first thread take-up lever body (2021) is gradually reduced along the direction from one end of the first thread take-up lever body (2021) connected with the first mounting seat (201) to the other end thereof;
the width of the second thread take-up lever body (3021) is gradually reduced along the direction from one end of the second thread take-up lever body (3021) connected with the second mounting seat (301) to the other end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222632681.6U CN218147284U (en) | 2022-10-08 | 2022-10-08 | Thread take-up lever structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222632681.6U CN218147284U (en) | 2022-10-08 | 2022-10-08 | Thread take-up lever structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218147284U true CN218147284U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222632681.6U Active CN218147284U (en) | 2022-10-08 | 2022-10-08 | Thread take-up lever structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218147284U (en) |
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- 2022-10-08 CN CN202222632681.6U patent/CN218147284U/en active Active
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