CN211138772U - Automatic pen with spiral driving body - Google Patents
Automatic pen with spiral driving body Download PDFInfo
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- CN211138772U CN211138772U CN201921560402.1U CN201921560402U CN211138772U CN 211138772 U CN211138772 U CN 211138772U CN 201921560402 U CN201921560402 U CN 201921560402U CN 211138772 U CN211138772 U CN 211138772U
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Abstract
The utility model discloses an automatic pen with spiral driving body, including the pen-holder that has the hole and with the refill setting element of refill cooperation location, it is provided with a spiral driving body to rotate in the pen-holder hole, the pen-holder outside is provided with the rotatory operating parts of this spiral driving body of drive, the refill setting element sets up in the pen-holder hole and can follow pen-holder length direction and slide, and constitutes between refill setting element and the pen-holder and prevent circumferential direction's spacing cooperation, and the refill setting element is established the location portion of spiral driving body center department and is inserted the conflict portion of establishing in spiral driving body's helical gap including the cover, location portion and refill cooperation location can drive refill setting element seesaw when spiral driving body is rotatory. The utility model discloses simple structure, spare part is few, convenient operation, can give its certain elasticity when automatic writing simultaneously.
Description
Technical Field
The utility model relates to an automatic pen with spiral driving body.
Background
The first type is that a pressing part arranged at the rear end of a penholder is pressed to drive a refill to move forwards, and when the refill is pressed again, the refill is reset backwards through the reset of a spring, and of course, the pressing part is also arranged at the side part of the penholder sometimes; the second one is that the relative rotation of two sections of penholders is utilized to drive the refill to move forward through the axial movement of the screw rod and the screw rod sleeve during the relative rotation, and the refill can be driven to reset backward when the pen is rotated reversely.
However, in any of the above-mentioned methods, in order to make the automatic pen feed back a certain elastic force during writing, a spring acting on the pen core is usually additionally provided in the automatic pen, which makes the structure of the automatic pen more complicated and increases the number of parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an automatic pen with spiral driving body, its simple structure, spare part is few, and convenient operation can give its certain elasticity when automatic pen writes.
In order to realize the above object, the utility model provides an automatic pen with spiral driving body, including the pen-holder that has the hole and with the refill setting element of refill cooperation location, it is provided with a spiral driving body to rotate in the pen-holder hole, the pen-holder outside is provided with the rotatory operating parts of this spiral driving body of drive, the refill setting element sets up and can follow pen-holder length direction and slide in the pen-holder hole, and constitutes the spacing cooperation that prevents circumferential direction between refill setting element and the pen-holder, and the refill setting element establishes the portion of fixing a position and inserting the conflict portion of establishing in the helical gap of spiral driving body in spiral driving body center department including the cover, position portion and refill cooperation location can drive refill setting element seesaw when spiral driving body is rotatory.
The utility model has the advantages that: the operating piece outside the pen holder rotates to drive the spiral driving body to rotate, and the spiral driving body can drive the pen refill positioning piece to move back and forth along the spiral driving body when rotating, so that the pen refill can be controlled to enter and exit along the pen point. Besides driving the refill positioning piece to move back and forth, the spiral driving body can give a certain elastic supporting force to the refill positioning piece through the spiral structure, can give certain elasticity to the refill positioning piece when the automatic pen is used for writing, improves hand feeling when the automatic pen is used for writing, does not need to be additionally provided with a spring on the automatic pen, reduces parts, and is simple in overall structure and convenient to operate.
Furthermore, a transmission component fixedly matched with the spiral driving body is rotatably arranged in the inner hole of the pen holder, a first tooth part is arranged around the transmission component along the rotating direction of the transmission component, a through groove is formed in the pen holder corresponding to the first tooth part, the operating part is rotatably arranged on the outer side of the pen holder, a second tooth part is arranged around the operating part along the rotating direction of the operating part, and the first tooth part and the second tooth part are meshed with each other at the through groove.
The technical scheme has the advantages that: the driving component inside the penholder can be driven to synchronously rotate while the operating component outside the penholder is driven to rotate through the meshing action of the first tooth part and the second tooth part, and then the spiral driving body fixedly matched with the driving component can be driven to rotate.
Furthermore, a first positioning mechanism for positioning the operating piece after the operating piece rotates is arranged on the end face of the rotating contact between the operating piece and the penholder.
The technical scheme has the advantages that: the operating part can be positioned after rotating relative to the pen holder, misoperation is avoided, and stability during writing is improved.
Further, first positioning mechanism is including setting up the first arch on the penholder, first arch moves along its second tooth surface when operating parts rotates, first arch and second tooth cooperation are fixed a position it after operating parts rotates.
The technical scheme has the advantages that: when the operating part rotates relative to the pen holder, the first protrusion on the pen holder can move along the surface of the second tooth part on the operating part, and after the operating part stops rotating, the first protrusion can be matched with the second tooth part to position the operating part, so that the operating part is prevented from continuously rotating.
Further, the lateral part of the pen holder is provided with a groove, the operating part is rotatably arranged in the groove, a limiting strip is arranged at the notch of the groove, and the limiting strip is in limiting fit with the operating part and keeps the operating part in the groove.
The technical scheme has the advantages that: rotate the operating parts and set up in the recess, can reduce the whole volume of automatic pen, the spacing strip that groove notch department set up can keep the operating parts in the recess, prevents to deviate from the recess.
Further, lead to the groove setting in the recess, the one end of spacing strip is provided with and can passes logical groove and constitutes hook complex fixture block with pen-holder hole inner wall, and the other end of spacing strip is provided with and constitutes joint complex buckle with the pen-holder, the transmission component encircles the annular that sets up including following its rotation direction, the fixture block of spacing strip can insert in the annular and constitute sliding fit with it when leading to the groove and inserting the pen-holder hole.
The technical scheme has the advantages that: the limiting strip is in positioning fit with the pen holder through the clamping blocks and the buckles at the two ends of the limiting strip, so that the structure is simple and the assembly is convenient; the fixture block of spacing strip inserts the pen-holder hole along leading to the groove and can insert in the annular and constitute sliding fit with it simultaneously to can carry out the axial spacing to drive component, make drive component can not be pulled by the spiral driving body and carry out axial motion, and can guarantee to have good transmission between operating parts and the drive component and connect, it is spacing to utilize the fixture block to carry out the axial to drive component, makes things convenient for the processing of pen-holder, makes the structure simpler, compact, also makes things convenient for the assembly.
Furthermore, be provided with first rotation connecting portion on the spacing strip, the rotation axle center department of operating parts is provided with the second rotation connecting portion of being connected with first rotation connecting portion cooperation rotation.
The technical scheme has the advantages that: the cooperation of the first and second rotational connections enables the operation element to rotate more stably.
Furthermore, a third rotating connecting portion is arranged in the groove, and a fourth rotating connecting portion which is matched with the third rotating connecting portion and is in rotating connection with the rotating axis of the operating piece is arranged at the rotating axis of the operating piece.
The technical scheme has the advantages that: the cooperation of the third rotating connecting portion and the fourth rotating connecting portion enables the rotation of the operating member to be more stable. When with first rotation connecting portion and second rotate connecting portion and set up simultaneously, can further improve the stability when operating parts rotate, reduce and rock.
Further, the inner hole of the pen holder is provided with a sliding groove extending along the length direction of the pen holder, and the abutting part is arranged in the sliding groove in a sliding mode.
The technical scheme has the advantages that: the sliding fit of the sliding groove and the abutting part can limit the refill positioning piece to slide along the sliding groove direction only, and the refill positioning piece cannot rotate.
Further, be provided with the second positioning mechanism who supplies the operating parts to rotate back location between operating parts and the spacing on the terminal surface of rotation contact, operating parts it rotates and is provided with a plurality of sand grips on the terminal surface of contact with spacing, the rotation axle center circumference equipartition of operating parts is followed to a plurality of sand grips, second positioning mechanism is protruding including the second that sets up on spacing, the protruding surface motion of following its a plurality of sand grips of second when the operating parts rotates, the second is protruding to be fixed a position it after the operating parts rotates with a plurality of sand grips cooperation.
The technical scheme has the advantages that: when the relative pen-holder of operating part rotated, the second on the spacing can be along the surface motion of a plurality of sand grips on the operating part, and after the stall, the second was protruding can be fixed a position the operating part with the sand grip cooperation, prevented that the operating part from continuing to rotate. Through the mutual cooperation of the second positioning mechanism and the first positioning mechanism, the positioning effect of the operating part after rotation is further improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a stylus having a spiral drive body according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an assembly view of an operating member of an embodiment of the present invention for a stylus having a helical drive body 1;
FIG. 4 is an assembly view of an operating member of an embodiment of the present invention for a stylus having a helical drive body, shown in FIG. 2;
FIG. 5 is a side view 1 of an embodiment of a stylus having a spiral drive body in accordance with the present invention;
FIG. 6 is a cross-sectional view of portion B-B of FIG. 5;
FIG. 7 is a side view 2 of an embodiment of a stylus having a spiral drive body in accordance with the present invention;
FIG. 8 is a cross-sectional view of section C-C of FIG. 7;
FIG. 9 is a schematic diagram of a driving structure between a pen refill and an operating member in an embodiment of the automatic pen having a spiral driving body according to the present invention;
FIG. 10 is a partial perspective cross-sectional view of an embodiment of the present invention of a stylus having a spiral drive body;
fig. 11 is an enlarged view of a portion D in fig. 6.
Detailed Description
The embodiment of the automatic pen with the spiral driving body of the utility model is shown in figures 1-11: the automatic pen comprises a pen holder 1, wherein the pen holder 1 is provided with an inner hole 11, the rear end of the inner hole 11 is closed, a pen point hole 12 for the pen core 3 to extend out is arranged at the front end of the inner hole 11 at a pen point, the automatic pen further comprises a pen core positioning piece 2 which is matched and positioned with the pen core, the pen core positioning piece 2 is clamped and matched with the side part of the pen core 3 or is in interference fit with the rear end of the pen core 3 to position the pen core 3, a spiral driving body 4 is rotatably arranged in the pen holder inner hole 11, the spiral driving body 4 is spiral (as shown in figures 6, 8 and 9), two axial ends of the spiral driving body 4 are respectively arranged towards the pen point and the pen tail, the spiral driving body 4 is preferably made of plastic or metal and has certain elastic force in the axial direction, an operating piece 5 for driving the spiral driving body 4 to rotate is, the pen core positioning piece 2 is arranged in the pen holder inner hole 11 and can slide along the length direction of the pen holder 1, the pen core positioning piece 2 can drive the pen core 3 to extend out or retract from a pen point through the movement, the spacing fit for preventing circumferential rotation is formed between the pen core positioning piece 2 and the pen holder 1, namely, the pen core positioning piece 2 can only move along the length direction of the pen holder 1 and cannot rotate relatively, the pen core positioning piece 2 comprises a positioning part 21 and an abutting part 22, the positioning part 21 is sleeved at the center of the spiral driving body 4, the abutting part is inserted in a spiral gap of the spiral driving body 4, the positioning part 21 is matched and positioned with the pen core 3, and the spiral driving body 4 can drive the pen core.
The pen holder is characterized in that a transmission member 6 fixedly matched with the spiral driving body 4 is rotatably arranged in the pen holder inner hole 11, namely, the spiral driving body 4 and the transmission member 6 can synchronously rotate, the transmission member 6 and the spiral driving body 4 are movably sleeved on the outer side of the pen core 3, a first tooth portion 61 (see fig. 9) is arranged on the transmission member 6 in a surrounding manner along the rotating direction of the transmission member 6, a through groove 13 is formed in the pen holder 1 corresponding to the first tooth portion 61, the operating member 5 is rotatably arranged on the outer side of the pen holder 1, a second tooth portion 51 is arranged on the operating member 5 in a surrounding manner along the rotating direction of the operating member, the first tooth portion 61 and the second tooth portion 51 are meshed with each other at the through groove 13, and the first tooth portion 61 is arranged in the inner hole 11 in a penetrating manner through the through groove.
And a first positioning mechanism for positioning the operating piece 5 after rotating is arranged on the end surface of the rotating contact between the operating piece 5 and the penholder 1. First positioning mechanism is including setting up first arch 14 on pen-holder 1, first arch 14 moves along its second tooth portion 51 surface when operating piece 5 rotates, first arch 14 and the cooperation of second tooth portion 51 are fixed a position it after operating piece 5 rotates (as shown in fig. 3, 4, 9), through the cooperation of first arch 14 and second tooth portion 51, make operating piece 5 have certain gear lever when rotating, based on the deformation characteristic of material itself, release the power of certain degree after operating piece 5 rotates the location and can make operating piece 5 remove the location and continue to rotate. Of course, in other embodiments, an elastically stretchable structure may be adopted between the first protrusion 14 and the barrel 1, so that the first protrusion 14 elastically abuts against the surface of the second tooth portion 51, thereby reducing the wear between the first protrusion 14 and the second tooth portion 51.
The lateral part of the pen holder 1 is provided with a groove 15, the operating element 5 is rotatably arranged in the groove 15, the first protrusion 14 is also arranged in the groove 15, the operating element 5 is preferably disc-shaped, the groove 15 is preferably truncated cone-shaped, the groove 15 is preferably arranged close to the front end of the pen holder 1, certainly, the groove can be arranged close to the rear end, the operating element 5 can be conveniently operated when the hand is used for normally holding the pen holder 1, the operating element 5 is rotatably arranged in the groove 15, the lateral width of the pen holder 1 can be reduced, the structure is more compact, and the abrupt feeling of the operating element 5 is reduced (as shown in fig. 3 and 6).
A limiting strip 16 is arranged at the notch of the groove 15, and the limiting strip 16 is in limiting fit with the operating part 5 and keeps the operating part 5 in the groove 15. A gap for exposing the operating part 5 is reserved between one side or two sides of the limiting strip 16 and the groove 15, so that the operating part 5 can be operated by a hand to rotate conveniently. The groove 15 is provided with a third rotating connection portion 151, the third rotating connection portion 151 is preferably a hole formed in the center of the groove 15, a fourth rotating connection portion 52 which is matched with the third rotating connection portion 151 and is in rotating connection with the rotating axis of the operating member 5 is arranged at the rotating axis of the operating member 5, the fourth rotating connection portion 52 is preferably a column arranged on the operating member 5, the third rotating connection portion 151 and the fourth rotating connection portion 52 can be mutually inserted and rotated, the inserting direction of the third rotating connection portion 151 and the fourth rotating connection portion 52 is consistent with the installing direction of the operating member 5 and the groove 15, the limiting strip 16 can prevent the operating member 5 from being separated from the groove 15, the third rotating connection portion 151 and the fourth rotating connection portion 52 can be prevented from being separated after being inserted, and therefore the normal rotation of the operating member 5 can be guaranteed. In addition to the rotational connection achieved by the three rotational connection 151 and the fourth rotational connection 52, in other embodiments, the operating member 5 comprises an outer circumferential wall, the recess 15 comprises an inner circumferential wall, and the rotational connection between the operating member 5 and the barrel 1 is achieved by the sliding engagement of the outer circumferential wall of the operating member 5 and the inner circumferential wall of the recess 15.
In order to increase the stability of the operating element 5 during rotation, the position of the limiting strip 16 corresponding to the axis of the operating element 5 is provided with a first rotating connection portion 161, the first rotating connection portion 161 is preferably a column arranged on the limiting strip 16, the rotating axis of the operating element 5 is provided with a second rotating connection portion 53 matched and rotatably connected with the first rotating connection portion 161, the second rotating connection portion 53 is preferably a hole, the first rotating connection portion 161 and the second rotating connection portion 53 can be mutually inserted and rotated, and the limiting strip 16 can also prevent the first rotating connection portion 161 and the second rotating connection portion 53 from being separated after being inserted and rotated. Operating parts 5 through its axial both sides and recess 15 and spacing between 16 normal running fit, stability when can guaranteeing its rotation is difficult to appear rocking.
The through groove 13 is arranged in the groove 15, the limiting strip 16 is preferably arranged at two ends along the direction of the head end and the tail end of the pen holder 1, one end of the limiting strip 16 is provided with a clamping block 162 which can penetrate through the through groove 13 and forms hook matching with the inner wall of the inner hole 11 of the pen holder, the other end of the limiting strip 16 is provided with a clamping buckle 163 which forms clamping matching with the pen holder 1, and a clamping groove 17 which is matched with the clamping buckle 163 is arranged at the position, close to the groove 15, of the outer side of the pen. During the assembly, can install operating parts 5 in recess 15 earlier, then insert 16 one end fixture block 162 of spacing strip along logical groove 13, make fixture block 162 and pen-holder hole 11 keep conflicting relation, insert 16 other end buckle 163 of spacing strip at last and make it and pen-holder 1 looks joint, be provided with the tight structure that expands on the buckle 163, it can form the joint cooperation with pen-holder 1 when inserting to pen-holder 1 inboard along draw-in groove 17, and the installation is comparatively convenient.
In order to increase the positioning effect of the operating element 5 after rotating, in addition to the first positioning mechanism, a second positioning mechanism for positioning the operating element 5 after rotating is arranged on the end surface of the operating element 5 in rotating contact with the limit strip 16, a plurality of convex strips 54 are arranged on the end surface of the operating element 5 in rotating contact with the limit strip 16, the convex strips 54 are uniformly distributed along the circumferential direction of the rotating axis of the operating element 5, the convex strips 54 can be only arranged on the end surface of the operating element 5 facing the limit strip 16, but preferably, the convex strips extend to the side part of the operating element 5 smoothly in addition to the end surface of the operating element 5 facing the limit strip 16, the limit strip 16 is distributed radially along the rotating axis of the operating element 5, the surface of each convex strip 54 is arc-shaped, forms a shape similar to a petal, not only can the appearance be improved, but also the friction force between the operating element 5 and the hand can, the second positioning mechanism comprises a second protrusion 164 arranged on the limiting strip 16, the second protrusion 164 moves along the surfaces of the convex strips 54 when the operating element 5 rotates, the second protrusion 164 and the convex strips 54 are matched to position the operating element 5 after the operating element 5 rotates (as shown in fig. 3 and 4), the operating element 5 has a certain shift lever when rotating through the matching of the second protrusion 164 and the convex strips 54, and based on the deformation characteristic of the material, the operating element 5 releases a certain degree of force after rotating and positioning to enable the operating element 5 to be released from positioning and continue to rotate. Of course, in other embodiments, an elastically telescopic structure may be adopted between the second protrusion 164 and the limiting strip 16, so that the second protrusion 164 elastically abuts against the surfaces of the plurality of convex strips 54, and the wear between the second protrusion 164 and the convex strips 54 can be reduced.
The inner hole 11 of the pen holder is provided with a sliding groove 111 extending along the length direction of the pen holder, and the interference part 22 is slidably arranged in the sliding groove (as shown in fig. 10).
The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic pen with spiral driving body, includes the pen-holder that has the hole and with refill cooperation location's refill setting element, its characterized in that: the pen refill positioning piece comprises a positioning part sleeved at the center of the spiral driving body and a contact part inserted in a spiral gap of the spiral driving body, the positioning part is matched with the pen refill to position, and the spiral driving body can be driven to move forwards and backwards when rotating.
2. The automated pen with a spiral drive body of claim 1, wherein: the operating part is rotatably arranged on the outer side of the pen holder, the operating part is circumferentially provided with a second tooth part along the rotating direction of the operating part, and the first tooth part and the second tooth part are meshed with each other at the through groove.
3. The automated pen with a spiral drive body of claim 2, wherein: and a first positioning mechanism for positioning the operating part after the operating part rotates is arranged on the end surface of the rotating contact between the operating part and the pen holder.
4. The automated pen with a spiral drive body of claim 3, wherein: the first positioning mechanism comprises a first protrusion arranged on the pen holder, the first protrusion moves along the surface of a second tooth part of the first protrusion when the operating part rotates, and the first protrusion and the second tooth part are matched to position the operating part after the operating part rotates.
5. The automated pen with a spiral drive body of claim 2, wherein: the pen holder is characterized in that a groove is formed in the side portion of the pen holder, the operating part is rotatably arranged in the groove, a limiting strip is arranged at the notch of the groove, and the limiting strip is in limiting fit with the operating part and keeps the operating part in the groove.
6. The automated pen with a spiral drive body of claim 5, wherein: lead to the groove setting in the recess, the one end of spacing strip is provided with and can passes logical groove and constitutes hook complex fixture block with pen-holder hole inner wall, and the other end of spacing strip is provided with and constitutes joint complex buckle with the pen-holder, the transmission component encircles the annular that sets up including following its rotation direction, the fixture block of spacing strip can insert in the annular and constitute sliding fit with it when leading to the groove and inserting the pen-holder hole.
7. The automated pen with a spiral drive body of claim 5, wherein: the limiting strip is provided with a first rotating connecting portion, and a second rotating connecting portion which is matched with the first rotating connecting portion and is rotatably connected is arranged at the rotating axis of the operating piece.
8. The automated pen with a spiral drive body of claim 5 or 7, wherein: the groove is internally provided with a third rotating connecting part, and the rotating axis of the operating piece is provided with a fourth rotating connecting part which is matched and rotatably connected with the third rotating connecting part.
9. The automated pen with a spiral drive body of any one of claims 1 to 7, wherein: the pen holder inner hole is provided with a sliding groove extending along the length direction of the pen holder inner hole, and the abutting portion is arranged in the sliding groove in a sliding mode.
10. The automated pen with a spiral drive body of claim 5, wherein: be provided with the second positioning mechanism who supplies the operating part to rotate back location between operating part and the spacing on the terminal surface of rotation contact, be provided with a plurality of sand grips on its terminal surface with spacing rotation contact of operating part, the rotation axle center circumference equipartition of operating part is followed to a plurality of sand grips, the rotation axle center circumference equipartition of operating part
The second positioning mechanism comprises a second protrusion arranged on the limiting strip, the second protrusion moves along the surfaces of a plurality of convex strips of the second protrusion when the operating part rotates, and the second protrusion and the plurality of convex strips are matched to position the operating part after the operating part rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560402.1U CN211138772U (en) | 2019-09-18 | 2019-09-18 | Automatic pen with spiral driving body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560402.1U CN211138772U (en) | 2019-09-18 | 2019-09-18 | Automatic pen with spiral driving body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211138772U true CN211138772U (en) | 2020-07-31 |
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ID=71759740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921560402.1U Active CN211138772U (en) | 2019-09-18 | 2019-09-18 | Automatic pen with spiral driving body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211138772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060805A (en) * | 2020-09-01 | 2020-12-11 | 温州天骄笔业有限责任公司 | Automatic pencil with anti-broken lead |
-
2019
- 2019-09-18 CN CN201921560402.1U patent/CN211138772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060805A (en) * | 2020-09-01 | 2020-12-11 | 温州天骄笔业有限责任公司 | Automatic pencil with anti-broken lead |
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