CN113584744A - Transmission system of sewing device - Google Patents
Transmission system of sewing device Download PDFInfo
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- CN113584744A CN113584744A CN202111168678.7A CN202111168678A CN113584744A CN 113584744 A CN113584744 A CN 113584744A CN 202111168678 A CN202111168678 A CN 202111168678A CN 113584744 A CN113584744 A CN 113584744A
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- shaft
- hole
- oil inlet
- sleeve
- boss
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a transmission system of a sewing device, which comprises a first coupling member, a second coupling member and a third coupling member, wherein the first coupling member comprises a first shaft sleeve, a first shaft shoulder and a connecting sleeve, the first shaft shoulder is formed by extending along the radial direction of the first shaft sleeve, the connecting sleeve is connected with the first shaft shoulder, and an oil inlet is formed in the side wall of the connecting sleeve; the second coupling member comprises a second shaft sleeve and a second shaft shoulder which is formed by extending along the radial direction of the second shaft sleeve, and the second shaft sleeve is connected with the first shaft sleeve; the oil inlet assembly comprises an oil inlet piece arranged in the oil inlet, the oil inlet piece is provided with an oil inlet channel, and a sealing piece is arranged in the oil inlet channel; lubricating oil is filled into a coupler of the sewing machine through the arranged oil inlet assembly, so that the friction loss of the coupler in the operation process of the sewing machine is reduced, and the connecting structure of the coupler can skillfully compensate for angular offset and shaft offset; and the length of the coupler can be adjusted according to the adaptability of the distance between the two different shaft ends, so that good matching connection is formed.
Description
Technical Field
The invention relates to the field of sewing machine couplers, in particular to a transmission system of a sewing device.
Background
At present, there are two types of connection structures between a motor shaft (i.e. a power output shaft of a motor) and an upper shaft of a sewing machine: the direct-drive sewing machine has the technical problems that the motor transmits power to the upper shaft through the belt pulley, the motor transmits power to the upper shaft through the mutually meshed coupler, namely, the direct-drive sewing machine has large noise, large vibration and high power consumption, the motor is externally arranged and transmits power through the belt, so the direct-drive sewing machine is large in size and not attractive enough in appearance, and the direct-drive sewing machine has the technical problems of complex structure, high requirement on concentricity, high production cost and the like of power transmission through mutual meshing of gears. In addition, most of the couplers commonly used in the sewing machine at present are standardized or standardized, and only the type of the coupler needs to be correctly selected and the model and the size of the coupler need to be determined in general. However, when there is a large deviation between two shafts to be connected (the two shafts are not aligned with each other and the axes of the two shafts are deviated from each other), the spatial positions of the two shaft ends are fixed and cannot (or are difficult to) adjust, and a coupler with a required length cannot be selected arbitrarily due to the limitation of resources or economic conditions, the conventional coupler is difficult to be applied to a sewing machine, so that the coupler of the existing sewing machine still has certain limitations.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that relative offset of axial direction or angle always exists between two shafts of the coupler of the sewing machine, and the lubricating effect of the coupler of the sewing machine is poor.
In order to solve the technical problems, the invention provides the following technical scheme: a transmission system of a sewing device comprises a first coupling part and a second coupling part, wherein the first coupling part comprises a first shaft sleeve, a first shaft shoulder and a connecting sleeve, the first shaft shoulder is formed by extending along the radial direction of the first shaft sleeve, the connecting sleeve is connected with the first shaft shoulder, and an oil inlet A is formed in the side wall of the connecting sleeve; the second coupling part comprises a second shaft sleeve and a second shaft shoulder which is formed by extending along the radial direction of the second shaft sleeve, and the second shaft sleeve is connected with the first shaft sleeve; the oil inlet component comprises an oil inlet piece arranged in the oil inlet A, the oil inlet piece is provided with an oil inlet channel, and a sealing piece is arranged in the oil inlet channel.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: keep away from in the oil feed passageway the inside one end of connecting sleeve extends to the axle center and forms the oil feed boss, the oil feed passageway is located the inside one end of connecting sleeve and extends to the axle center and form and bear the boss, the sealing member is located the oil feed boss with bear between the boss.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: the diameter of the sealing element is larger than that of a hole formed by the oil inlet boss and smaller than that of the oil inlet channel, and an elastic element is arranged between the sealing element and the bearing boss.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: the inner wall of the oil inlet channel is provided with a guide groove extending along the axial direction of the oil inlet channel, one end of the guide groove close to the bearing boss is bent through arc transition to form a stop groove, and the direction of the stop groove is perpendicular to the length direction of the guide groove; the sealing member circumference is provided with the direction boss, the direction boss embedding in the guide way, the sealing member is close to the terminal surface of oil feed boss is provided with the hexagonal recess.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: the first shaft sleeve is provided with a first shaft hole, the second shaft sleeve is provided with a second shaft hole, the first shaft hole is connected with a driving shaft and is positioned through a key and a fastening screw, and the second shaft hole is connected with a driven shaft and is positioned through a key and a fastening screw; the first shaft shoulder is uniformly provided with a plurality of through holes along the circumference, and the second shaft shoulder is uniformly provided with a plurality of sliding grooves along the circumference; the screw rod penetrates through the through hole and the sliding groove, and a nut is fixedly connected to one end, penetrating through the sliding groove, of the screw rod.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: one end of the connecting sleeve connected with the first shaft shoulder extends to the shaft center to form a connecting boss, the connecting boss is provided with a connecting hole corresponding to the through hole, and the connecting hole is connected with the through hole through a screw rod.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: the sliding groove is a cylindrical groove, the axis of the sliding groove is perpendicular to the axis of the second shaft sleeve, the side face of the sliding groove is penetrated through two end faces of the second shaft shoulder, a ball body is arranged in the sliding groove, a through hole is formed in the ball body, and the screw rod penetrates through the through hole and is in clearance fit with the through hole; the ball body is in clearance fit with the sliding groove;
the surface of the second shaft shoulder, which is in contact with the inner wall of the connecting sleeve, is a spherical surface, and the diameter of the spherical surface is not larger than the inner diameter of the connecting sleeve.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: a first spring is arranged between the ball body and the first shaft shoulder, and the first spring is sleeved on the screw rod;
and a second spring is arranged between the ball body and the second shaft shoulder, and the screw rod is sleeved with the second spring.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: one end, located on the second shaft sleeve, of the connecting sleeve is connected with a limiting cover plate, the limiting cover plate is provided with an offset hole, and the diameter of the offset hole is larger than that of the second shaft sleeve;
the limiting cover plate is provided with a limiting hole coaxial and corresponding to the through hole, and the screw rod sequentially penetrates through the connecting hole, the through hole and the limiting hole and is fixed through the nut.
As a preferable aspect of the transmission system of the sewing device of the present invention, wherein: a round ball is fixedly connected in the second shaft sleeve, and the axis of the sliding groove penetrates through the spherical center of the round ball;
the ball-shaped ball is embedded into the spherical groove and movably connected with the spherical groove; the other end of the moving part is cylindrical and is uniformly provided with a plurality of pin holes along the axial direction, one end of the first shaft sleeve, which is close to the second shaft sleeve, is connected with a bulge, the bulge is provided with a limiting groove and a positioning hole which is radial and penetrates through the limiting groove, one end of the moving part is embedded into the limiting groove, and one pin hole positioning hole is coaxial and is connected through a positioning pin; the distance between the centers of two adjacent pin holes is larger than the radius of the pin holes.
The invention has the beneficial effects that: lubricating oil is filled into a coupler of the sewing machine through the arranged oil inlet assembly, so that the friction loss of the coupler in the operation process of the sewing machine is reduced, and the connecting structure of the coupler can skillfully compensate for angular offset and shaft offset; and the length of the coupler can be adjusted according to the adaptability of the distance between the two different shaft ends to form good matching connection, so that the coupler has universality and flexibility in use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of a transmission system of a sewing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram illustrating an installation position of an oil feeding assembly in a transmission system of a sewing device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an oil feed assembly of FIG. 2 in a transmission system of a sewing device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a section of an oil inlet assembly in a coupler in a transmission system of a sewing device according to an embodiment of the invention;
FIG. 5 is a schematic view of a transmission system of a sewing device according to a second embodiment of the present invention;
FIG. 6 is a schematic structural view showing a section of a first coupling member and a second coupling member engaged with each other in a transmission system of a sewing machine according to an embodiment of the present invention;
fig. 7 is an exploded view of a transmission system of a sewing device according to an embodiment of the present invention.
In the figure: a first coupling member 100; a first bushing 101; a first shoulder 102; a connecting sleeve 103; an oil inlet A; the second coupling member 200; a second bushing 201; a second shoulder 202; an oil intake assembly 300; an oil inlet piece 301; an oil inlet passage 301 a; a seal 302; an oil inlet boss 301 b; a load bearing boss 301 c; an elastic member 303; the guide groove 301 d; a stop groove 301 e; a guide boss 302 a; hexagonal recesses 302 b; a first shaft hole 101 a; the second shaft hole 201 a; a driven shaft 207; a through hole 102 a; a chute 202 a; a screw 104; a nut 104 a; a connection boss 103 a; a connection hole 103 b; a sphere 203; a through hole 203 a; a spherical surface 202 b; a first spring 105; a second spring 106; a limiting cover plate 204; offset holes 204 a; a sphere 205; a movable member 206; a spherical groove 206 a; pin holes 206 b; a protrusion 107; a limit groove 107 a; the positioning hole 107 b.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a transmission system of a sewing device, which includes a first coupling member 100 and a second coupling member 200, and respectively connected to an output shaft of a motor and an input shaft of a working machine of a sewing machine.
Specifically, the first coupling 100 includes a first shaft sleeve 101, a first shaft shoulder 102 formed by extending along the first shaft sleeve 101 in the radial direction, and a connecting sleeve 103 connected with the first shaft shoulder 102, wherein an oil inlet a is formed in a side wall of the connecting sleeve 103, and the oil inlet a is used for injecting lubricating oil for lubrication; the second coupling member 200 comprises a second shaft sleeve 201 and a second shaft shoulder 202 formed by extending along the radial direction of the second shaft sleeve 201, and the second shaft sleeve 201 is connected with the first shaft sleeve 101; the first hub 101 and the second hub 201 combine to form a coupling.
Further, still include oil feed subassembly 300 for pour into lubricating oil into, it is including installing oil feed piece 301 in oil inlet A, and oil feed piece 301 and oil inlet A's connected mode is threaded connection and carries out sealing treatment, convenient to detach. The oil inlet piece 301 is provided with an oil inlet passage 301a, the oil inlet passage 301a is a cylindrical through hole, a sealing member 302 is arranged in the oil inlet passage 301a, the sealing member 302 is preferably disc-shaped, and the diameter of the sealing member is not larger than the inner diameter of the oil inlet passage 301 a.
Further, one end of the oil inlet channel 301a, which is far away from the inside of the connecting sleeve 103, extends to the axis to form an oil inlet boss 301b, one end of the oil inlet channel 301a, which is located inside the connecting sleeve 103, extends to the axis to form a bearing boss 301c, the sealing element 302 is located between the oil inlet boss 301b and the bearing boss 301c, namely, when the sealing element 302 contacts with the oil inlet boss 301b, the hole of the oil inlet boss 301b is blocked, and when the sealing element 302 is far away from the oil inlet boss 301b, the oil inlet channel 301a is communicated.
The diameter of the sealing element 302 is larger than that of the hole formed by the oil inlet boss 301b and smaller than that of the oil inlet passage 301a, an elastic element 303 is arranged between the sealing element 302 and the bearing boss 301c, the elastic element 303 is a pressure spring, and the elastic force of the elastic element 303 enables the sealing element 302 to abut against the oil inlet boss 301 b.
Preferably, a guide groove 301d extending along the axial direction of the oil inlet channel 301a is arranged on the inner wall of the oil inlet channel 301a, one end of the guide groove 301d close to the bearing boss 301c is bent through arc transition to form a stop groove 301e, and the trend of the stop groove 301e is perpendicular to the length direction of the guide groove 301 d; the sealing member 302 is circumferentially provided with a guide boss 302a, the guide boss 302a is embedded in the guide groove 301d, and the end surface of the sealing member 302 close to the oil inlet boss 301b is provided with a hexagonal groove 302 b. The moving path of the sealing member 302 is then along the guide groove 301d and the stop groove 301e, when the coupler needs to be lubricated by oiling, the lubricating oil gun is taken out, the gun head is inserted into the oil inlet boss 301b and pushes the sealing element 302 to move towards the bearing boss 301c along the guide groove 301d, the hole of the oil inlet boss 301b is opened, at this time, the oil injection operation can be performed, if the oil outlet flow of the lubricating oil gun is small, the lubricating oil gun is always pressed against the oil inlet boss 301b, which is troublesome, so that the sealing member 302 can be pressed against the guide boss 302a to enter the stop groove 301e, at this time, the axial movement of the sealing member 302 is limited, the oil injection operation can be performed, after the oil injection operation is completed, the guide boss 302a can be screwed into the guide groove 301d by the cooperation of the outer hexagonal wrench and the hexagonal groove 302b, and the oil inlet boss 301b is reset and covered under the action of the spring.
Example 2
Referring to fig. 1, 5 to 7, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that:
the first coupling member 100 is connected to an output shaft of a driving motor of the sewing machine, and the output shaft transmits power to an input shaft of the work machine to which the second coupling member 200 is connected through a coupling.
Specifically, the first coupling member 100 includes a first sleeve 101, a first shoulder 102 formed to extend radially along the first sleeve 101, and a connecting sleeve 103 connected to the first shoulder 102, and the first sleeve 101 is provided with a first shaft hole 101 a; the first shaft sleeve 101 is fixedly connected with an output shaft of a driving motor, the second coupling 200 comprises a second shaft sleeve 201 and a second shaft shoulder 202 formed by extending along the radial direction of the second shaft sleeve 201, the second shaft sleeve 201 is connected with the first shaft sleeve 101, the second shaft sleeve 201 is provided with a second shaft hole 201a, and the second shaft sleeve 201 is connected with an input shaft of a working machine. The first hub 101 and the second hub 201 combine to form a coupling.
Further, the first shoulder 102 is uniformly provided with a plurality of through holes 102a along the circumference, in this embodiment, there are 4 through holes 102a, it should be noted that there are at least 3 through holes 102 a; correspondingly, the second shaft shoulder 202 is uniformly provided with a plurality of sliding grooves 202a along the circumference; and the position of each slide groove 202a corresponds to the position of the through hole 102 a.
The screw 104 is arranged in the sliding groove 202a, the screw 104 penetrates through the through hole 102a, and the nut 104a is fixedly connected to one end of the screw 104 penetrating through the sliding groove 202 a. Then, the first sleeve 101 and the second sleeve 201 are connected by the screw 104 and power transmission is performed.
Preferably, one end of the connecting sleeve 103 connected with the first shoulder 102 extends to the axial center to form a connecting boss 103a, the connecting boss 103a is provided with a connecting hole 103b corresponding to the through hole 102a, the connecting hole 103b is connected with the through hole 102a through a screw 104, the connecting sleeve 103 connects the first sleeve 101 with the second sleeve 201 through the screw 104, and the movement processes of the three are consistent.
It should be noted that the sliding groove 202a is a cylindrical groove and the axis is perpendicular to the axis of the second collar 201, the side surface of the sliding groove 202a penetrates through two end surfaces of the second collar 202, a ball 203 is arranged in the sliding groove 202a, the ball 203 is provided with a through hole 203a, and the screw 104 penetrates through the through hole 203a and is in clearance fit; the ball 203 is in clearance fit with the chute 202 a; the balls 203 can move radially along the second sleeve 201 in the sliding groove 202a, that is, once an angular offset occurs between the first coupling member 100 and the second coupling member 200, the second sleeve 201 will tilt, and correspondingly, the position of each ball 203 in the screw 104 and the sliding groove 202a will change adaptively to adapt to the overall angular offset, and if one of the balls 203 is offset toward the first coupling member 100, the ball 203 at the diagonal position with the ball 203 will be offset toward the second coupling member 200, and the transmission operation can be performed normally.
Preferably, the surface of the second shoulder 202 contacting the inner wall of the connection sleeve 103 is a spherical surface 202b, and the diameter of the spherical surface 202b is not larger than the inner diameter of the connection sleeve 103, so as to prevent the second shoulder 202 from interfering when moving inside the connection sleeve 103.
Preferably, a first spring 105 is arranged between the ball 203 and the first shoulder 102, and the first spring 105 is sleeved on the screw 104; the second spring 106 is arranged between the sphere 203 and the second shaft shoulder 202, the second spring 106 is sleeved on the screw 104, the first spring 105 and the second spring 106 are pressure springs and can play a role in shock absorption and shock absorption, and meanwhile, when the driven shaft of the second coupling part 200 deviates along the axial direction, the sphere 203 can also be adjusted in adaptability under the action of the first spring 105 and the second spring 106.
Furthermore, one end of the connecting sleeve 103, which is located on the second bushing 201, is connected with a limiting cover plate 204, and the limiting cover plate 204 is used for fixing the position of the screw 104 to prevent the screw 104 from deviating; the limiting cover plate 204 is provided with an offset hole 204a, the diameter of the offset hole 204a is larger than that of the second shaft sleeve 201, and when the second coupling member 200 is angularly offset, the offset hole 204a can provide an offset movable range for the second coupling member 200; the limiting cover plate 204 is provided with a limiting hole 204b coaxial and corresponding to the through hole 102a, and the screw 104 sequentially passes through the connecting hole 103b, the through hole 102a and the limiting hole 204b and is fixed through the nut 104 a. Only the second bushing 201 can then be angularly and axially offset, wherein the second shoulder 202 is located inside the connecting sleeve 103.
Preferably, a round ball 205 is fixedly connected in the second shaft sleeve 201, wherein the axis of the sliding groove 202a passes through the center of the round ball 205; therefore, no matter how the second shaft sleeve 201 deviates, the center of the spherical ball 205 is located on the axis of the connecting sleeve 103, that is, the spherical ball 205 itself can only move along the axis direction of the connecting sleeve 103, and the universal joint further comprises a movable member 206, the movable member 206 is connected with the spherical ball 205 to form a universal joint, one end of the movable member 206 is provided with a spherical groove 206a, and the spherical ball 205 is embedded into the spherical groove 206a and movably connected to form the universal joint.
Furthermore, the other end of the moving part 206 is cylindrical and is uniformly provided with a plurality of pin holes 206b along the axial direction, one end of the first shaft sleeve 101 close to the second shaft sleeve 201 is connected with a bulge 107, the bulge 107 is provided with a limit groove 107a and a positioning hole 107b which radially penetrates along the limit groove 107a, one end of the moving part 206 is embedded into the limit groove 107a, and one pin hole 206b is coaxial with the positioning hole 107b and is connected with the positioning hole through a positioning pin 108; the distance between the centers of two adjacent pin holes 206b is larger than the radius of the pin holes 206 b. Therefore, the distance between the first coupling member 100 and the second coupling member 200 is different due to the pin holes 206b at different positions matching with the positioning holes 107b, so that the position of the movable member 206 mounted in the boss 107 can be adjusted according to the length of the driving shaft 109 or the driven shaft 207.
Therefore, when the driven shaft 207 is likely to have axial deviation, the positioning pin 108 is not needed for axial positioning, and the coupler can simultaneously adapt to angular deviation and axial deviation; when axial deflection of driven shaft 207 has been limited, the position of moveable member 206 within projection 107 may be fixed according to the length of the shaft, thereby accommodating different shaft lengths and angular deflections.
It should be noted that the first shaft hole 101a is connected with the driving shaft 109 and is positioned by a key and a fastening screw, the second shaft hole 201a is connected with the driven shaft 207 and is positioned by a key and a fastening screw, and the installation mode of the shafts is not described again for the prior art; and 4 through holes 102a are provided in the present embodiment, but not limited to 4 through holes.
The implementation manner of the embodiment is as follows: in the present embodiment, the following embodiments are provided for the angular offset, the axial offset, and the shaft length that may occur during the transmission of the driving shaft 109 and the driven shaft 207 of the sewing machine; when the length of the shaft is uncertain and angular deviation occurs, the position of the movable piece 206 does not need to be fixed, the first coupling member 100 and the second coupling member 200 are normally installed, and when angular deviation occurs in the operation process, the matching of the second shoulder 202 and the ball 203 can compensate the deviation and absorb shock; in another embodiment, the second coupling member 200 is not cheap in axial direction, and only has an angular offset, so that one end of the movable member 206 can be fixed in the positioning hole 107b according to the length of the shaft, and the position of the spherical center of the spherical ball 205 fixedly connected in the second shaft sleeve 201 is unchanged no matter how the second coupling member 200 swings, so that the angular offset can be compensated by the matching of the second shaft sleeve 201 and the spherical body 203, and the rotational transmission of the sewing machine is not affected.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A drive system for a sewing device, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the first coupling piece (100) comprises a first shaft sleeve (101), a first shaft shoulder (102) formed by extending along the radial direction of the first shaft sleeve (101), and a connecting sleeve (103) connected with the first shaft shoulder (102), wherein an oil inlet (A) is formed in the side wall of the connecting sleeve (103);
the second coupling member (200) comprises a second shaft sleeve (201) and a second shaft shoulder (202) formed by extending along the radial direction of the second shaft sleeve (201), and the second shaft sleeve (201) is connected with the first shaft sleeve (101);
the oil inlet assembly (300) comprises an oil inlet piece (301) installed in the oil inlet (A), the oil inlet piece (301) is provided with an oil inlet channel (301 a), and a sealing piece (302) is arranged in the oil inlet channel (301 a).
2. The transmission system of a sewing device according to claim 1, wherein: keep away from in oil feed passageway (301 a) the inside one end of connecting sleeve (103) extends to the axle center and forms oil feed boss (301 b), oil feed passageway (301 a) are located the inside one end of connecting sleeve (103) and extend to the axle center and form and bear boss (301 c), sealing member (302) are located oil feed boss (301 b) with bear between the boss (301 c).
3. The transmission system of a sewing device according to claim 2, wherein: the diameter of the sealing element (302) is larger than that of a hole formed by the oil inlet boss (301 b) and smaller than that of the oil inlet channel (301 a), and an elastic element (303) is arranged between the sealing element (302) and the bearing boss (301 c).
4. The transmission system of a sewing device according to claim 3, wherein: a guide groove (301 d) extending along the axial direction of the oil inlet channel (301 a) is formed in the inner wall of the oil inlet channel (301 a), one end, close to the bearing boss (301 c), of the guide groove (301 d) is bent through arc transition to form a stopping groove (301 e), and the trend of the stopping groove (301 e) is perpendicular to the length direction of the guide groove (301 d);
sealing member (302) circumference is provided with direction boss (302 a), direction boss (302 a) embedding in guide way (301 d), sealing member (302) are close to the terminal surface of oil feed boss (301 b) is provided with hexagonal groove (302 b).
5. The transmission system of a sewing device according to any of claims 1 to 4, wherein: the first shaft sleeve (101) is provided with a first shaft hole (101 a), the second shaft sleeve (201) is provided with a second shaft hole (201 a), the first shaft hole (101 a) is connected with a driving shaft (109) and is positioned through a key and a fastening screw, and the second shaft hole (201 a) is connected with a driven shaft (207) and is positioned through a key and a fastening screw;
the first shaft shoulder (102) is uniformly provided with a plurality of through holes (102 a) along the circumference, and the second shaft shoulder (202) is uniformly provided with a plurality of sliding grooves (202 a) along the circumference;
the screw rod (104) penetrates through the through hole (102 a) and the sliding groove (202 a), and one end, penetrating through the sliding groove (202 a), of the screw rod (104) is fixedly connected with a nut (104 a).
6. The transmission system of a sewing device according to claim 5, wherein: one end, connected with the first shaft shoulder (102), of the connecting sleeve (103) extends towards the shaft center to form a connecting boss (103 a), a connecting hole (103 b) corresponding to the through hole (102 a) is formed in the connecting boss (103 a), and the connecting hole (103 b) is connected with the through hole (102 a) through a screw (104).
7. The transmission system of a sewing device according to claim 6, wherein: the sliding groove (202 a) is a cylindrical groove, the axis of the sliding groove is perpendicular to the axis of the second shaft sleeve (201), the side surface of the sliding groove (202 a) penetrates through two end surfaces of the second shaft shoulder (202), a ball body (203) is arranged in the sliding groove (202 a), a through hole (203 a) is formed in the ball body (203), and the screw rod (104) penetrates through the through hole (203 a) and is in clearance fit with the through hole; the ball (203) is in clearance fit with the sliding groove (202 a);
the surface of the second shoulder (202) contacting with the inner wall of the connecting sleeve (103) is a spherical surface (202 b), and the diameter of the spherical surface (202 b) is not larger than the inner diameter of the connecting sleeve (103).
8. The transmission system of a sewing device according to claim 7, wherein: a first spring (105) is arranged between the ball body (203) and the first shaft shoulder (102), and the first spring (105) is sleeved on the screw rod (104);
a second spring (106) is arranged between the ball body (203) and the second shaft shoulder (202), and the second spring (106) is sleeved on the screw rod (104).
9. The transmission system of a sewing device according to claim 8, wherein: one end, located on the second shaft sleeve (201), of the connecting sleeve (103) is connected with a limiting cover plate (204), the limiting cover plate (204) is provided with an offset hole (204 a), and the diameter of the offset hole (204 a) is larger than that of the second shaft sleeve (201);
the limiting cover plate (204) is provided with a limiting hole (204 b) coaxial and corresponding to the through hole (102 a), and the screw rod (104) sequentially penetrates through the connecting hole (103 b), the through hole (102 a) and the limiting hole (204 b) and is fixed through the nut (104 a).
10. The transmission system of a sewing device according to any of claims 7 to 9, wherein: a round ball (205) is fixedly connected in the second shaft sleeve (201), and the axis of the sliding groove (202 a) penetrates through the spherical center of the round ball (205); the ball-shaped connector also comprises a movable piece (206), one end of the movable piece (206) is provided with a spherical groove (206 a), and the round ball (205) is embedded into the spherical groove (206 a) and movably connected with the spherical groove; the other end of the moving piece (206) is cylindrical and is uniformly provided with a plurality of pin holes (206 b) along the axial direction, one end, close to the second shaft sleeve (201), of the first shaft sleeve (101) is connected with a bulge (107), the bulge (107) is provided with a limiting groove (107 a) and a positioning hole (107 b) which penetrates through the limiting groove (107 a) in the radial direction, one end of the moving piece (206) is embedded into the limiting groove (107 a), and one of the pin holes (206 b) is coaxial with the positioning hole (107 b) and is connected through a positioning pin (108); the distance between the centers of two adjacent pin holes (206 b) is larger than the radius of the pin holes (206 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168678.7A CN113584744B (en) | 2021-10-08 | 2021-10-08 | Transmission system of sewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168678.7A CN113584744B (en) | 2021-10-08 | 2021-10-08 | Transmission system of sewing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113584744A true CN113584744A (en) | 2021-11-02 |
| CN113584744B CN113584744B (en) | 2021-12-14 |
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| CN202111168678.7A Active CN113584744B (en) | 2021-10-08 | 2021-10-08 | Transmission system of sewing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623336A (en) * | 2021-10-12 | 2021-11-09 | 徐州力达缝纫设备制造有限公司 | Coupler of sewing machine |
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| CN204300164U (en) * | 2014-11-05 | 2015-04-29 | 刘宁 | Connect stable shaft coupling |
| CN109317698A (en) * | 2018-12-17 | 2019-02-12 | 中航航空高科技股份有限公司 | A kind of direct-connected main shaft assemble mechanism |
| CN213145155U (en) * | 2020-08-28 | 2021-05-07 | 无锡市聚励合机械科技有限公司 | Portable shaft coupling |
| CN214007831U (en) * | 2020-10-28 | 2021-08-20 | 上海睦翔机械设备有限公司 | Double-section telescopic flexible coupling |
| CN214248051U (en) * | 2021-01-19 | 2021-09-21 | 浙江德成机械科技有限公司 | Telescopic universal coupling |
| CN214248057U (en) * | 2020-12-09 | 2021-09-21 | 镇江远大传动机械有限公司 | Telescopic cross shaft type universal coupling capable of damping |
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2021
- 2021-10-08 CN CN202111168678.7A patent/CN113584744B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204300164U (en) * | 2014-11-05 | 2015-04-29 | 刘宁 | Connect stable shaft coupling |
| CN109317698A (en) * | 2018-12-17 | 2019-02-12 | 中航航空高科技股份有限公司 | A kind of direct-connected main shaft assemble mechanism |
| CN213145155U (en) * | 2020-08-28 | 2021-05-07 | 无锡市聚励合机械科技有限公司 | Portable shaft coupling |
| CN214007831U (en) * | 2020-10-28 | 2021-08-20 | 上海睦翔机械设备有限公司 | Double-section telescopic flexible coupling |
| CN214248057U (en) * | 2020-12-09 | 2021-09-21 | 镇江远大传动机械有限公司 | Telescopic cross shaft type universal coupling capable of damping |
| CN214248051U (en) * | 2021-01-19 | 2021-09-21 | 浙江德成机械科技有限公司 | Telescopic universal coupling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623336A (en) * | 2021-10-12 | 2021-11-09 | 徐州力达缝纫设备制造有限公司 | Coupler of sewing machine |
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| CN113584744B (en) | 2021-12-14 |
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