CN113074226B - Power head - Google Patents
Power head Download PDFInfo
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- CN113074226B CN113074226B CN202110289465.3A CN202110289465A CN113074226B CN 113074226 B CN113074226 B CN 113074226B CN 202110289465 A CN202110289465 A CN 202110289465A CN 113074226 B CN113074226 B CN 113074226B
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- Prior art keywords
- shaft
- mounting groove
- rotating shaft
- central rotating
- mounting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K15/00—Assembling, finishing, or repairing pens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0037—Special features of coaxial shafts, e.g. relative support thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
- B43K1/082—Balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a power head, which comprises an adjusting screw rod and a large fixed shaft, wherein the large fixed shaft is arranged on the adjusting screw rod, through holes are arranged at the left end and the right end in the large fixed shaft, a central rotating shaft is arranged in the through holes, mounting holes penetrate through the central rotating shaft from left to right, the adjusting screw rod is positioned in the mounting holes, a positioning sleeve and a bearing fixing nut are respectively arranged at the left end and the right end of the large fixed shaft, a chuck fixed shaft is arranged in the right end of the central rotating shaft, the adjusting screw rod rotates to drive the large fixed shaft and the central rotating shaft to integrally and synchronously rotate so as to drive the chuck fixed shaft to synchronously transmit, and the central rotating shaft can reciprocate from left to right along the side wall of the adjusting screw rod so as to enable the chuck fixed shaft to synchronously reciprocate from left to right. The invention has stable structure and performance, simple assembly and use and high working efficiency in the high-speed rotation process.
Description
Technical Field
The invention relates to the field of pen manufacturing technical equipment, in particular to a power head.
Background
Ball point pens have since their inception brought tremendous changes to the development of writing instruments. From the earliest ink ball-point pen, to the later water-based ink ball-point pen, the neutral ink ball-point pen and the present emulsion ink ball-point pen, along with the market demand change, the ball-point pen has a leap development as a new generation of writer, and consumers put forward higher requirements on the function and the applicability of the product.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a power head which comprises a power head,
the ball-point pen comprises an adjusting screw rod and a large fixing shaft, wherein the large fixing shaft is arranged on the adjusting screw rod, through holes are arranged at the left end and the right end in the large fixing shaft, a central rotating shaft is arranged in the through holes, mounting holes penetrate through the left end and the right end in the central rotating shaft, the adjusting screw rod is positioned in the mounting holes, a positioning sleeve and a bearing fixing nut are respectively arranged at the left end and the right end of the large fixing shaft, the left joint and the right joint of the central rotating shaft and the large fixing shaft are fixedly connected through the positioning sleeve and the bearing fixing nut, a chuck fixing shaft is arranged at the right end of the central rotating shaft, the adjusting screw rod rotates to drive the large fixing shaft and the central rotating shaft to integrally and synchronously rotate so as to drive the chuck fixing shaft to synchronously transmit, the central rotating shaft can reciprocate leftwards and rightwards along the side wall of the adjusting screw rod, so that the chuck fixing shaft synchronously reciprocate leftwards and rightwards, the chuck fixing shaft can contact ball balls on a pen point in the left-right reciprocating motion process so that the ball-point can be extruded to achieve the purpose of locking,
the outer surface of the left end of the large fixing shaft is provided with a first tooth groove, the inner side wall of the left end of the large fixing shaft is provided with a first mounting groove, the locating sleeve can pass through the first mounting groove, the first mounting groove is arranged on the large fixing shaft, the right end of the first mounting groove is provided with a second mounting groove, a backing ring is arranged in the second mounting groove, the right end of the second mounting groove is provided with a third mounting groove, a deep groove bearing is arranged in the third mounting groove, the inner side wall of the right end of the large fixing shaft is provided with a fourth mounting groove, a bearing fixing nut is arranged in the fourth mounting groove, the left end of the fourth mounting groove is provided with a fifth mounting groove, an angular contact bearing is arranged in the fifth mounting groove, the left end of the fifth mounting groove is provided with a sixth mounting groove, a large top ring is arranged in the sixth mounting groove, the left end of the central rotating shaft sequentially penetrates through and communicates the deep groove bearing, the backing ring and the locating sleeve, and the right end of the central rotating shaft sequentially penetrates through and communicates the large top ring, the angular contact bearing and the bearing fixing nut.
Preferably, a second tooth socket is arranged on the outer side wall of the left end of the central rotating shaft, an adjusting nut is arranged on the second tooth socket and can fix the central rotating shaft, the mounting hole in the central rotating shaft comprises a first mounting hole, a second mounting hole and a third mounting hole, mounting grooves are formed in the upper side wall and the lower side wall of the central rotating shaft at the end of the second mounting hole and communicated with the second mounting hole,
a seventh mounting groove is formed in the inner side wall of the left end of the third mounting hole, a linear bearing is arranged on the seventh mounting groove, an eighth mounting groove is formed in the right side of the seventh mounting groove, a small bearing snap ring is arranged on the eighth mounting groove,
the third mounting hole leans on the right-hand member of center rotation axis is provided with the ninth mounting groove, be provided with little apical ring in the ninth mounting groove, ninth mounting groove right-hand member is provided with the tenth mounting groove, be provided with the inside callipers spring on the tenth mounting groove, the right-hand member of chuck fixed axle runs through the intercommunication in proper order little apical ring, inside callipers spring, the left end of chuck fixed axle runs through the intercommunication in proper order little snap ring of bearing, linear bearing.
Preferably, the chuck fixing shaft sequentially comprises a first shaft body, a second shaft body, a third shaft body, a fourth shaft body and a fifth shaft body from left to right, the first shaft body is located between the first mounting hole and the second mounting hole, the left end portion of the second shaft body is located in the second mounting hole, the third shaft body, the fourth shaft body and the fifth shaft body are located in the third mounting hole, the right end portion of the fifth shaft body is located outside the central rotating shaft, a shaft body bearing is arranged on the first shaft body, a first positioning hole penetrates through the shaft body bearing from top to bottom, a second positioning hole penetrates through the first shaft body from top to bottom, the first shaft body and the central rotating shaft are fixedly connected through a locking screw through the first positioning hole, the second positioning hole and the mounting groove, and the linear bearing is located on the second shaft body.
Preferably, the adjusting screw is provided with an adjusting handle far away from the large fixed shaft end, and the adjusting handle can adjust the using distance of the adjusting screw.
Preferably, in order to improve the stability of the connection between the chuck fixing shaft and the central rotating shaft, a lock nut is arranged on the lock screw.
Preferably, the center rotation axis turns right from a left side and includes first rotation axis, second rotation axis, third rotation axis in proper order, the second rotation axis with third rotation axis contact jaw runs through and is equipped with first round hole, first round hole evenly spaced apart distribution is in on the lateral wall of second rotation axis, first round hole with the third mounting hole communicates, the second round hole has been seted up to the lateral wall of third rotation axis, the second round hole with the third mounting hole communicates, thereby can set up the bolt in first round hole, the second round hole and improve the chuck fixed axle with the stability of being connected between the center rotation axis.
Preferably, a first clearance groove is formed in the end of the joint of the second rotating shaft and the first rotating shaft, a second clearance groove is formed in the end of the joint of the third rotating shaft and the second rotating shaft, and a third clearance groove is formed in the ninth mounting groove.
Preferably, the right end of the adjusting screw rod is located in the first mounting hole, and the left end of the adjusting screw rod is located outside the central rotating shaft.
The invention has the beneficial effects
An operator firstly sequentially installs a linear bearing and a small bearing snap ring on a second shaft body of a chuck fixing shaft, then sequentially installs a small top ring and an inner clamping spring on a third shaft body of the chuck fixing shaft, installs a shaft body bearing on a first shaft body on the chuck fixing shaft, and then puts the whole body into the chuck fixing shaft through a third mounting hole of a central rotating shaft, the first shaft body on the chuck fixing shaft passes through the second mounting hole and extends into the first mounting hole, the first shaft body and the central rotating shaft are fixedly connected through a first positioning hole, a second positioning hole and a mounting groove through a locking screw, so that the installation of the chuck fixing shaft is completed, the operator then sequentially installs a positioning sleeve, a backing ring and a deep groove bearing at the left end of the central rotating shaft, sequentially installs a large top ring, an angular contact bearing and a bearing fixing nut at the right end of the central rotating shaft, then installs the whole body into the large fixing shaft through a through hole, so that the installation of the central rotating shaft is completed, finally puts an adjusting screw into the central rotating shaft through the first mounting hole, so that the adjusting screw is synchronously driven by the adjusting screw to synchronously press a ball on the left and right side wall of the chuck of the central rotating shaft, so that the ball point can synchronously reciprocate in the chuck in the process of the ball-and-point ball reciprocating motion of the ball-point reciprocating motion process can be realized by the chuck fixing shaft; the invention has stable structure and performance, simple assembly and use and high working efficiency in the high-speed rotation process.
Drawings
Fig. 1 is a schematic view of the structural assembly of the present invention.
Fig. 2 is a sectional view of the structure of the large fixed shaft of the invention.
FIG. 3 is a perspective view of the center rotating shaft of the present invention.
Fig. 4 is a structural sectional view of the central rotating shaft of the present invention.
Fig. 5 is a schematic perspective view of a chuck fixing shaft according to the present invention.
FIG. 6 is a sectional view of a chuck fixing shaft structure according to the present invention.
Description of reference numerals: 1-adjusting screw, 2-large fixed shaft, 3-through hole, 4-rotating central shaft, 41-first rotating shaft, 42-second rotating shaft, 43-third rotating shaft, 5-mounting hole, 51-first mounting hole, 52-second mounting hole, 53-third mounting hole, 6-locating sleeve, 7-bearing fixed nut, 8-chuck fixed shaft, 81-first shaft, 82-second shaft, 83-third shaft, 84-fourth shaft, 85-fifth shaft, 9-first tooth socket, 10-first mounting groove, 11-second mounting groove, 12-backing ring, 13-third mounting groove, 14-deep groove bearing, 15-fourth mounting groove, 16-fifth mounting groove, 17-angular contact bearing, 18-sixth angular contact bearing, 19-large top ring, 20-second tooth socket, 21-adjusting nut, 22-mounting groove, 23-seventh mounting groove, 24-linear bearing, 25-eighth mounting groove, 26-small bearing snap ring, 27-ninth mounting groove, 28-small top ring, 28-mounting groove, 29-second tooth socket, 21-adjusting nut, 22-mounting groove, 23-seventh mounting groove, 24-third mounting groove, 25-third mounting groove, 26-third mounting groove, 35-third clearance hole, and third clearance hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-6, the present invention provides a power head,
the ball pen comprises an adjusting screw rod 1 and a large fixing shaft 2, wherein the large fixing shaft 2 is arranged on the adjusting screw rod 1, an adjusting handle 35 is arranged at the end of the adjusting screw rod 1, which is far away from the large fixing shaft 2, the adjusting handle 35 can adjust the using distance of the adjusting screw rod 1, a through hole 3 is arranged at the left end and the right end in the large fixing shaft 2, a central rotating shaft 4 is arranged in the through hole 3, a mounting hole is arranged in the central rotating shaft 4 in a left-right penetrating manner, the adjusting screw rod 1 is positioned in the mounting hole, a positioning sleeve 6 and a bearing fixing nut 7 are respectively arranged at the left end and the right end of the large fixing shaft 2, the left and the right connecting parts of the central rotating shaft 4 and the large fixing shaft 2 are fixedly connected through the positioning sleeve 6 and the bearing fixing nut 7, a chuck fixing shaft 8 is arranged at the right end of the central rotating shaft 4, the adjusting screw rod 1 rotates to drive the large fixing shaft 2 and the central rotating shaft 4 to integrally and synchronously rotate so as to drive the chuck fixing shaft 8 to synchronously, the central rotating shaft 4 can reciprocate along the side wall of the adjusting screw rod 1, so that the chuck 8 can synchronously move left and right, the fixing shaft, the chuck 8 can contact a ball on the ball pen point on the adjusting shaft in the reciprocating movement process, and achieve the aim of reciprocating ball pen point ball pen to extrude the ball pen to lock the ball pen point,
the outer surface of the left end of the large fixed shaft 2 is provided with a first tooth space 9, the first tooth space 9 is convenient for operators to take and prevent hands from slipping, the inner side wall of the left end of the large fixed shaft 2 is provided with a first mounting groove 10, the positioning sleeve 6 can be arranged on the large fixed shaft 2 through the first mounting groove 10, the right end of the first mounting groove 10 is provided with a second mounting groove 11, the second mounting groove 11 is internally provided with a backing ring 12, the right end of the second mounting groove 11 is provided with a third mounting groove 13, the third mounting groove 13 is internally provided with a deep groove bearing 14, the inner side wall of the right end of the large fixed shaft 2 is provided with a fourth mounting groove 15, the fourth mounting groove 15 is internally provided with a bearing fixing nut 7, the left end of the fourth mounting groove 15 is provided with a fifth mounting groove 16, the fifth mounting groove 16 is internally provided with an angular contact bearing 17, the left end of the fifth mounting groove 16 is provided with a sixth mounting groove 18, the sixth mounting groove 18 is internally provided with a large top ring 19, the left end of the central rotating shaft 4 is sequentially communicated with the deep groove bearing 14, the backing ring 12 and the positioning sleeve 6, the right end of the central rotating shaft 4 is sequentially communicated with the large top ring bearing fixing nut 7 and the bearing fixing nut 7,
the outer side wall of the left end of the central rotating shaft 4 is provided with a second tooth groove 20, the second tooth groove 20 is provided with an adjusting nut 21, the adjusting nut 21 can fix the central rotating shaft 4, the mounting hole in the central rotating shaft 4 comprises a first mounting hole 41, a second mounting hole 42 and a third mounting hole 43, the upper and lower side walls of the central rotating shaft 4 at the end of the second mounting hole 42 are provided with mounting grooves 22, the mounting grooves 22 are communicated with the second mounting hole 42,
a seventh mounting groove 23 is formed in the inner side wall of the left end of the third mounting hole 43, a linear bearing 24 is arranged on the seventh mounting groove 23, an eighth mounting groove 25 is formed in the right side of the seventh mounting groove 23, a small bearing snap ring 26 is arranged on the eighth mounting groove 25,
a ninth mounting groove 27 is formed in the third mounting hole 43 close to the right end of the central rotating shaft 4, a small top ring 28 is arranged in the ninth mounting groove 27, a tenth mounting groove 29 is formed in the right end of the ninth mounting groove 27, an inner clamping spring 30 is arranged on the tenth mounting groove 29, the right end of the chuck fixing shaft 8 sequentially penetrates and is communicated with the small top ring 28 and the inner clamping spring 30, and the left end of the chuck fixing shaft 8 sequentially penetrates and is communicated with the bearing small clamping ring 26 and the linear bearing 24;
the chuck fixing shaft 8 sequentially comprises a first shaft body 81, a second shaft body 82, a third shaft body 83, a fourth shaft body 84 and a fifth shaft body 85 from left to right, the first shaft body 81 is located between the first mounting hole 41 and the second mounting hole 42, the left end portion of the second shaft body 82 is located in the second mounting hole 42, the third shaft body 83, the fourth shaft body 84 and the fifth shaft body 85 are located in the third mounting hole 43, the right end portion of the fifth shaft body 85 is located outside the central rotating shaft 4, the first shaft body 81 is provided with a shaft body bearing 31, the shaft body bearing 31 is provided with a first positioning hole in a vertically penetrating manner, the first shaft body 81 is provided with a second positioning hole 32 in a vertically penetrating manner, the first shaft body 81 and the central rotating shaft 4 are fixedly connected through a locking screw 33 through the first positioning hole, the second positioning hole 32 and a mounting groove 22, the linear bearing 24 is located on the second shaft body 82, and a locking nut 34 is arranged on the lock 33 in order to improve the connection stability between the chuck fixing shaft 8 and the central rotating shaft 4;
the central rotating shaft 4 sequentially comprises a first rotating shaft 41, a second rotating shaft 42 and a third rotating shaft 43 from left to right, a first round hole 36 penetrates through the end, in contact with the third rotating shaft 43, of the second rotating shaft 42, the first round holes 36 are uniformly distributed on the side wall of the second rotating shaft 42 at intervals, the first round holes 36 are communicated with the third mounting hole 43, a second round hole 37 is formed in the side wall of the third rotating shaft 43, the second round hole 37 is communicated with the third mounting hole 43, and bolts can be arranged in the first round holes 36 and the second round holes 37 so as to improve the connection stability between the chuck fixing shaft 8 and the central rotating shaft 4;
the right end of the adjusting screw rod 1 is positioned in the first mounting hole 41, and the left end of the adjusting screw rod 1 is positioned outside the central rotating shaft 4;
an operator firstly installs the linear bearing 24 and the bearing small snap ring 26 on the second shaft 82 of the chuck fixing shaft 8 in sequence, then installs the small top ring 28 and the inner snap spring 30 on the third shaft 83 of the chuck fixing shaft 8 in sequence, installs the shaft bearing 31 on the first shaft 81 on the chuck fixing shaft 8, then puts the whole body into the chuck fixing shaft through the third installation hole 43 of the central rotating shaft 4, the first shaft 81 on the chuck fixing shaft 8 passes through the second installation hole 42 and extends into the first installation hole 41, the first shaft 81 and the central rotating shaft 4 are fixedly connected through the first positioning hole, the second positioning hole 32 and the installation groove 22 by the locking screw 33, thereby completing the installation of the chuck fixing shaft 8,
the operator then installs the positioning sleeve 6, the backing ring 12 and the deep groove bearing 14 at the left end of the central rotating shaft 4 in turn, installs the large top ring 19, the angular contact bearing 17 and the bearing fixing nut 7 at the right end of the central rotating shaft 4 in turn, installs the whole body into the large fixed shaft 2 through the through hole 3, thereby completing the installation of the central rotating shaft 4,
an operator finally puts the adjusting screw rod 1 into the central rotating shaft 4 through the first mounting hole 41, so that the assembly of parts of the power head is completed, when the power head is used, the adjusting screw rod 1 rotates to drive the large fixing shaft 2 and the central rotating shaft 4 to integrally and synchronously rotate so as to drive the chuck fixing shaft 8 to synchronously transmit, the central rotating shaft 4 can reciprocate leftwards and rightwards along the side wall of the adjusting screw rod 1, so that the chuck fixing shaft 8 synchronously reciprocates leftwards and rightwards, and the chuck fixing shaft 8 can contact a ball on a pen point of a ball pen in the process of reciprocating leftwards and rightwards so as to extrude the ball to achieve the purpose of locking;
in the process of high-speed rotation, the invention has stable integral structure and performance, simple assembly and use and high working efficiency;
a first clearance groove 38 is formed at the joint end of the second rotating shaft 42 and the first rotating shaft 41, a second clearance groove 39 is formed at the joint end of the third rotating shaft 43 and the second rotating shaft 42, a third clearance groove 40 is formed in the ninth mounting groove 27, and the first clearance groove 38, the second clearance groove 39 and the third clearance groove 40 can prevent mutual contact and abrasion among components.
Principle of operation
The invention relates to a power head, all parts of which are distributed as shown in figures 1-6, when in use,
an operator firstly installs the linear bearing 24 and the bearing small snap ring 26 on the second shaft 82 of the chuck fixing shaft 8 in sequence, then installs the small top ring 28 and the inner snap spring 30 on the third shaft 83 of the chuck fixing shaft 8 in sequence, installs the shaft bearing 31 on the first shaft 81 on the chuck fixing shaft 8, then puts the whole body into the chuck fixing shaft through the third installation hole 43 of the central rotating shaft 4, the first shaft 81 on the chuck fixing shaft 8 passes through the second installation hole 42 and extends into the first installation hole 41, the first shaft 81 and the central rotating shaft 4 are fixedly connected through the first positioning hole, the second positioning hole 32 and the installation groove 22 by the locking screw 33, thereby completing the installation of the chuck fixing shaft 8,
the operator then sequentially installs the positioning sleeve 6, the backing ring 12 and the deep groove bearing 14 at the left end of the central rotating shaft 4, sequentially installs the large top ring 19, the angular contact bearing 17 and the bearing fixing nut 7 at the right end of the central rotating shaft 4, and then installs the whole body into the large fixed shaft 2 through the through hole 3, thereby completing the installation of the central rotating shaft 4,
an operator finally puts the adjusting screw rod 1 into the central rotating shaft 4 through the first mounting hole 41, so that the assembly of parts of the power head is completed, when the power head is used, the adjusting screw rod 1 rotates to drive the large fixing shaft 2 and the central rotating shaft 4 to integrally and synchronously rotate so as to drive the chuck fixing shaft 8 to synchronously transmit, the central rotating shaft 4 can reciprocate leftwards and rightwards along the side wall of the adjusting screw rod 1, so that the chuck fixing shaft 8 synchronously reciprocates leftwards and rightwards, and the chuck fixing shaft 8 can contact a ball on a pen point of a ball pen in the process of reciprocating leftwards and rightwards so as to extrude the ball to achieve the purpose of locking;
the invention has stable integral structure and performance, simple assembly and use and high working efficiency in the high-speed rotation process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A power head is characterized in that a power head is provided,
the ball-point pen comprises an adjusting screw rod and a large fixing shaft, wherein the large fixing shaft is arranged on the adjusting screw rod, through holes are arranged at the left end and the right end in the large fixing shaft, a central rotating shaft is arranged in the through holes, mounting holes penetrate through the left end and the right end in the central rotating shaft, the adjusting screw rod is positioned in the mounting holes, a positioning sleeve and a bearing fixing nut are respectively arranged at the left end and the right end of the large fixing shaft, the left joint and the right joint of the central rotating shaft and the large fixing shaft are fixedly connected through the positioning sleeve and the bearing fixing nut, a chuck fixing shaft is arranged at the right end of the central rotating shaft, the adjusting screw rod rotates to drive the large fixing shaft and the central rotating shaft to integrally and synchronously rotate so as to drive the chuck fixing shaft to synchronously transmit, the central rotating shaft can reciprocate leftwards and rightwards along the side wall of the adjusting screw rod, so that the chuck fixing shaft synchronously reciprocate leftwards and rightwards, the chuck fixing shaft can contact ball balls on a pen point in the left-right reciprocating motion process so that the ball-point can be extruded to achieve the purpose of locking,
the outer surface of the left end of the large fixed shaft is provided with a first tooth socket, the inner side wall of the left end of the large fixed shaft is provided with a first mounting groove, the positioning sleeve can be arranged on the large fixed shaft through the first mounting groove, the right end of the first mounting groove is provided with a second mounting groove, a backing ring is arranged in the second mounting groove, the right end of the second mounting groove is provided with a third mounting groove, a deep groove bearing is arranged in the third mounting groove, the inner side wall of the right end of the large fixed shaft is provided with a fourth mounting groove, a bearing fixing nut is arranged in the fourth mounting groove, the left end of the fourth mounting groove is provided with a fifth mounting groove, an angular contact bearing is arranged in the fifth mounting groove, the left end of the fifth mounting groove is provided with a sixth mounting groove, a large top ring is arranged in the sixth mounting groove, the left end of the central rotating shaft sequentially penetrates through and communicates the deep groove bearing, the backing ring and the positioning sleeve, and the right end of the central rotating shaft sequentially penetrates through the large top ring, the angular contact bearing and the bearing fixing nut;
the outer side wall of the left end of the central rotating shaft is provided with a second tooth socket, the second tooth socket is provided with an adjusting nut, the adjusting nut can fix the central rotating shaft, the mounting hole in the central rotating shaft comprises a first mounting hole, a second mounting hole and a third mounting hole, the upper side wall and the lower side wall of the central rotating shaft at the end of the second mounting hole are provided with mounting grooves, and the mounting grooves are communicated with the second mounting hole,
a seventh mounting groove is formed in the inner side wall of the left end of the third mounting hole, a linear bearing is arranged on the seventh mounting groove, an eighth mounting groove is formed in the right side of the seventh mounting groove, a small bearing snap ring is arranged on the eighth mounting groove,
the third mounting hole is leaned on the right-hand member of center rotation axis is provided with the ninth mounting groove, be provided with little apical ring in the ninth mounting groove, ninth mounting groove right-hand member is provided with the tenth mounting groove, be provided with inside callipers spring on the tenth mounting groove, the right-hand member of chuck fixed axle runs through the intercommunication in proper order little apical ring, inside callipers spring, the left end of chuck fixed axle runs through the intercommunication in proper order little snap ring of bearing, linear bearing.
2. The powerhead of claim 1,
the chuck fixing shaft sequentially comprises a first shaft body, a second shaft body, a third shaft body, a fourth shaft body and a fifth shaft body from left to right, the first shaft body is located between the first mounting hole and the second mounting hole, the left end portion of the second shaft body is located in the second mounting hole, the third shaft body, the fourth shaft body and the fifth shaft body are located in the third mounting hole, the right end portion of the fifth shaft body is located outside the central rotating shaft, a shaft body bearing is arranged on the first shaft body, a first positioning hole penetrates through the shaft body bearing from top to bottom, a second positioning hole penetrates through the first shaft body from top to bottom, the first shaft body and the central rotating shaft are fixedly connected through a locking screw, the second positioning hole and a mounting groove, and the linear bearing is located on the second shaft body.
3. The power head of claim 1,
the adjusting screw rod is far away from the large fixed shaft end and is provided with an adjusting handle, and the adjusting handle adjusts the using distance of the adjusting screw rod.
4. The powerhead of claim 2,
and the lock screw is provided with a lock nut.
5. The power head of claim 2,
turn right from a left side and include first rotation axis, second rotation axis, third rotation axis in proper order, the second rotation axis with third rotation axis looks contact jaw runs through and is equipped with first round hole, first round hole evenly spaced apart distribution is in on the lateral wall of second rotation axis, first round hole with third mounting hole intercommunication, the second round hole has been seted up to the lateral wall of third rotation axis, the second round hole with third mounting hole intercommunication, thereby it improves to set up the bolt in first round hole, the second round hole the chuck fixed axle with the stability of being connected between the center rotation axis.
6. The powerhead of claim 5,
the second rotation axis with the handing-over department end of first rotation axis is provided with first dead slot, the third rotation axis with the handing-over department end of second rotation axis is provided with the second dead slot, be provided with the third dead slot on the ninth mounting groove.
7. The powerhead of claim 6,
the right end of the adjusting screw rod is located in the first mounting hole, and the left end of the adjusting screw rod is located outside the central rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289465.3A CN113074226B (en) | 2021-03-18 | 2021-03-18 | Power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289465.3A CN113074226B (en) | 2021-03-18 | 2021-03-18 | Power head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113074226A CN113074226A (en) | 2021-07-06 |
| CN113074226B true CN113074226B (en) | 2022-10-25 |
Family
ID=76612862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110289465.3A Active CN113074226B (en) | 2021-03-18 | 2021-03-18 | Power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113074226B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113074226A (en) | 2021-07-06 |
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