CN220031566U - Rotary mute pen - Google Patents

Abstract

The utility model relates to a rotary mute pen, belonging to the field of cultural goods; the existing pressing pen can generate noise when being pressed; the pen comprises a holding rod, a pen holder, a pen core and a spring, wherein the holding rod and the pen holder form a pen body, and the pen core penetrates through the spring and is positioned in the pen body; the method is characterized in that: the rotary key is internally provided with two positioning blocks and a third positioning ring which are bilaterally symmetrical, the upper part of the rotary transmission sleeve is provided with a fourth positioning ring and a positioning groove, and the upper part of the rotary transmission sleeve can be inserted into the rotary key for matching; the lower part of the rotary transmission sleeve is provided with a first positioning table and a second positioning table, the first positioning table and the second positioning table are matched and buckled with the first positioning ring and the second positioning ring to be fixed, the lower end of the rotary transmission sleeve is provided with a rotary clamping groove matched with the positioning clamping strip, and the bottom of the rotary transmission sleeve is also provided with an axial lifting part and a radial abutting part; the utility model realizes core-out silence without pressing noise.

Description

Rotary mute pen

Technical Field

The utility model relates to the field of cultural goods, in particular to a rotary mute pen.

Background

Currently, the ball-point pen on the market is usually realized by pressing a pressing piece arranged on a pen tail plug in a mode of enabling a pen core to stretch; the other is realized by pressing a pressing piece arranged on the side surface of the pen; regardless of the manner, when the user is ready to begin writing, the user must first press the thumb press to expose the pen core from the pen barrel before writing, and the pressing process will make a "click" sound, which will affect in a quiet learning environment and destroy the entire quiet learning atmosphere.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the rotary mute pen which has reasonable structural design, the mute of the core of the pen body is realized, the pressing noise is avoided, the pen holding is comfortable, and the writing is smooth.

The utility model solves the problems by adopting the following technical scheme: the rotary mute pen comprises a holding rod, a pen holder, a pen core and a spring, wherein the holding rod is screwed and matched with an external thread at the upper end of the holding rod and an internal thread at the lower end of the pen holder to form a pen body, and the pen core penetrates through the spring and is positioned in the pen body formed by the holding rod and the pen holder; the method is characterized in that: the rotary type pen is characterized by further comprising a rubber sleeve, a rotary key, a rotary transmission sleeve and a movable connecting rod, wherein limiting blocks for limiting the rotation of the movable connecting rod are arranged on the left side and the right side of the inner wall of the pen holder, the rubber sleeve is provided with positioning holes matched with positioning bosses on a holding rod, two positioning blocks and a third positioning ring which are bilaterally symmetrical are arranged in the rotary key, a positioning clamping strip distributed along the axial direction is arranged on the outer wall of the upper part of the movable connecting rod, a fourth positioning ring with the outer diameter slightly larger than that of the third positioning ring and a positioning groove matched with the positioning blocks are arranged on the upper part of the rotary transmission sleeve, and the rotary key is inserted into the upper part of the rotary transmission sleeve to be matched with the rotary key; the outer wall of the lower part of the rotary transmission sleeve is provided with a first positioning table and a second positioning table, the outer diameters of which are sequentially increased from bottom to top, the first positioning table and the second positioning table are respectively matched and buckled with a first positioning ring and a second positioning ring on the inner wall of the upper end of the pen holder, the lower end of the rotary transmission sleeve is provided with a rotary clamping groove matched with the movable connecting rod in a positioning way, the rotary transmission sleeve separates the bottom of the rotary transmission sleeve into an axial lifting part for lifting the positioning clamping strip and a radial abutting part for radially supporting the movable connecting rod according to the rotary clamping groove, the axial lifting part is an inclined plane, the bottom of the axial lifting part is higher than the bottom of the radial abutting part, one end of the axial lifting part is higher than the other end of the axial lifting part, the lower part of the movable connecting rod is provided with a limiting clamping groove, the limiting clamping groove is matched with the limiting block for rotationally limiting the movable connecting rod, and the positioning clamping strip is matched with the rotary clamping groove at the lower end of the rotary transmission sleeve, and reciprocates along the track from the rotary clamping groove to the bottom of the axial lifting part so that the movable connecting rod moves up and down; the multi-stage positioning ring and the positioning boss are adopted in a buckling mode, the precision of the connecting piece in the pen body is increased through multi-point positioning, and the linkage is more accurate during rotation.

Further, the positioning clamping strip at the upper part of the movable connecting rod reciprocates along the inclined plane of the axial lifting part between the rotary clamping groove and the bottom of the axial lifting part, so that the movable connecting rod moves up and down, the limiting clamping groove at the lower part of the movable connecting rod is embedded and matched with the limiting blocks at the left and right sides of the inner wall of the pen holder, the movable connecting rod rotates and limits, and the bottom of the movable connecting rod contacts the top of the pen core; the rotary clamping groove controls the rotation distance of the rotary transmission sleeve and limits the position of the pen core during writing.

Furthermore, the fourth positioning ring of the rotary transmission sleeve is higher than the third positioning ring, and the outer diameter of the fourth positioning ring is larger than the inner diameter of the third positioning ring to achieve interference fit; the interference fit achieves that the rotary transmission sleeve is inserted into the rotary key and does not fall off, and positioning is performed.

Further, the left positioning block and the right positioning block in the rotary key are embedded and matched with the positioning groove at the upper end of the rotary transmission sleeve to achieve connection and fixation, so that the rotary transmission sleeve is driven when the rotary key rotates; the symmetrical clamping grooves on two sides are fixed, so that the linkage stability during rotation is improved.

Further, a pen clip is arranged on the pen holder; is convenient to carry.

Furthermore, the rubber sleeve is wrapped and covered outside the holding rod, the limiting and positioning are achieved according to the positioning boss matched with the holding rod through the positioning hole, the anti-skid friction hole is formed in the outer portion of the rubber sleeve, the rubber sleeve cannot rotate due to the existence of the positioning boss, the comfort of holding a pen during writing is improved, and the stability of holding the pen during writing is guaranteed through the anti-skid friction hole.

Further, the spring is positioned in the holding rod, one end of the spring is positioned at the spring positioning table on the inner wall of the holding rod, and the other end of the spring is positioned at the edge of the lower end of the pen core; the elasticity of the spring ensures that the pen core can have certain supporting force in the pen body after rebound.

Further, the lower end of the pen refill is positioned in the holding rod through the spring, and the upper end of the pen refill is contacted with the bottom of the movable connecting rod; the upper end and the lower end of the pen core are limited, so that the vertical stability of the pen core is ensured, and the writing smoothness is achieved.

Compared with the prior art, the utility model has the following advantages and effects: compared with the structure of the existing pressing pen, the pressing pen has the advantages that the mute function is realized, pressing noise is reduced through rotating the core, the quiet learning atmosphere is not damaged, the holding pen is comfortable to hold, writing is smooth, the practicability is good, and the problem that the common pressing pen continuously presses excessive pen core steel balls to drop is avoided.

Drawings

Fig. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional structural view of a bottom view of an embodiment of the present utility model.

Fig. 3 is a schematic front view of a gum cover according to an embodiment of the present utility model.

Fig. 4 is a schematic view showing a cross-sectional structure of a gum cover according to an embodiment of the present utility model.

Fig. 5 is a schematic front view of a grip according to an embodiment of the present utility model.

Fig. 6 is a schematic view of a cross-sectional view of the grip of an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a front view structure of a barrel according to an embodiment of the present utility model.

Fig. 8 is a schematic view of a cross-sectional structure of a barrel according to an embodiment of the present utility model.

Fig. 9 is a schematic cross-sectional structure of a rotary key according to an embodiment of the present utility model.

Fig. 10 is a left-hand structural schematic view of a rotary transmission case according to an embodiment of the present utility model.

Fig. 11 is a schematic front view of a rotary transmission case according to an embodiment of the present utility model.

Fig. 12 is a schematic cross-sectional view of a rotary drive sleeve according to an embodiment of the present utility model.

Fig. 13 is a schematic front view of a movable link according to an embodiment of the present utility model.

FIG. 14 is a schematic cross-sectional view of the cooperation of a rotary key and a rotary drive sleeve according to an embodiment of the present utility model.

Fig. 15 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 16 is a schematic view of the structure of a spring according to an embodiment of the present utility model.

Fig. 17 is a left-view structural diagram of a rotary key according to an embodiment of the present utility model.

Fig. 18 is a schematic left-view structure of a barrel according to an embodiment of the present utility model.

In the figure: 1-holding rod; 2-a penholder; 3-rubber sleeve; 4-a rotary key; 5-rotating a transmission sleeve; 6-a movable connecting rod; 7-a pen core; 8-a spring; 11-external threads; 12-positioning a boss; 13 a spring positioning table; 21-internal threads; 22-pen holders; 23-a positioning ring I; 24-second positioning ring; 25-limiting blocks; 31-friction holes; 32-positioning holes; 41-third positioning ring; 42-positioning blocks; 51-fourth positioning ring; 52-a first positioning table; 53-a second positioning table; 54-a rotary clamping groove; 55-positioning grooves; 56-an axial lifting part; 57-radial abutment; 61-positioning a clamping strip; 63-limit clamping groove.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples

Referring to fig. 1 to 18, the rotary mute pen in this embodiment includes a holding rod 1, a pen holder 2, a pen core 7, a spring 8, a rubber sleeve 3, a rotary key 4, a rotary transmission sleeve 5 and a movable connecting rod 6, wherein the holding rod 1 is screwed and matched with an external thread 11 at the upper end of the holding rod 1 and an internal thread 21 at the lower end of the pen holder 2 to form a pen body, and the pen core 7 penetrates through the spring 8 and is located in the pen body formed by the holding rod 1 and the pen holder 2; limiting blocks 25 for limiting rotation of the movable connecting rod 6 are arranged on the left side and the right side of the inner wall of the pen holder 2, a positioning hole 32 matched with a positioning boss 12 on the holding rod 1 is formed in the rubber sleeve 3, two positioning blocks 42 and a third positioning ring 41 which are bilaterally symmetrical are arranged in the rotary key 4, a positioning clamping strip 61 distributed along the axial direction is arranged on the outer wall of the upper part of the movable connecting rod 6, a fourth positioning ring 51 with the outer diameter slightly larger than that of the third positioning ring 41 and a positioning groove 55 matched with the positioning block 42 are arranged on the upper part of the rotary transmission sleeve 5, and the rotary key 4 is inserted into the upper part of the rotary transmission sleeve 5 to be matched; the outer wall of the lower part of the rotary transmission sleeve 5 is provided with a first positioning table 52 and a second positioning table 53 with sequentially increased outer diameters from bottom to top, the first positioning table 52 and the second positioning table 53 are respectively matched and buckled with a first positioning ring 23 and a second positioning ring 24 on the inner wall of the upper end of the pen holder 2, the lower end of the rotary transmission sleeve 5 is provided with a rotary clamping groove 54 matched with the movable connecting rod 6 in a positioning way, the rotary transmission sleeve 5 separates the bottom of the rotary transmission sleeve into an axial lifting part 56 for lifting the positioning clamping strip 61 and a radial abutting part 57 for radially supporting the movable connecting rod 6 according to the rotary clamping groove 54, the axial lifting part 56 is an inclined plane, the bottom of the axial lifting part 56 is higher than the bottom of the radial abutting part 57, one end of the axial lifting part 56 is higher than the other end of the axial lifting part 56, the lower part of the movable connecting rod 6 is provided with a limiting clamping groove 63, the limiting clamping groove 63 is matched with a limiting block 25 for rotationally limiting the movable connecting rod 6, the positioning clamping strip 61 is matched with the rotary clamping groove 54 at the lower end of the rotary transmission sleeve 5, and the movable connecting rod 6 moves up and down along the track from the rotary clamping groove 54 to the bottom of the axial lifting part 57 in a reciprocating way; the pen holder 2 is provided with a pen clip 22; each part in the rotary key 4 pen body is limited through each clamping groove to drive to rotate, the rotary part controls the refill to be taken out, the pressing noise of 'clicking click' of the pressing pen is removed, and the practicability is higher.

In the embodiment, the rubber sleeve 3 is wrapped and covered outside the holding rod 1, the positioning boss 12 matched with the holding rod 1 according to the positioning hole 32 achieves limiting positioning, and an anti-skid friction hole 31 is arranged outside the rubber sleeve; the comfort level of holding the pen is increased when writing, and the rapidness is improved due to the existence of the positioning holes when the rubber sleeve 3 is replaced.

In the embodiment, the spring 8 is positioned in the holding rod 1, one end of the spring is positioned at a spring positioning table 13 on the inner wall of the holding rod 1, and the other end of the spring is positioned at the edge of the lower end of the pen core 7; the lower extreme of refill 7 runs through spring 8 and is in holding rod 1, and refill 7 upper end contact movable connecting rod 6 bottom carries out spacingly to refill 7's upper and lower end, guarantees refill 7 and keeps the vertical state in the pen body always, reaches the smoothness nature of inking down when writing.

In this embodiment, the positioning clamping strip 61 at the upper part of the movable connecting rod 6 reciprocates along the inclined plane of the axial lifting part 57 between the rotating clamping groove 54 and the bottom of the axial lifting part 57, so that the movable connecting rod 6 moves up and down, the limiting clamping groove 63 at the lower part of the movable connecting rod 6 is embedded and matched with the limiting blocks 25 at the left and right sides of the inner wall of the pen holder 2, so that the movable connecting rod 6 rotates and limits, and the bottom of the movable connecting rod 6 contacts the top of the pen core 7; the positioning clamping strip 61 at the top of the movable connecting rod 6 moves along the inclined track at the lower end of the rotary transmission sleeve 5, so that the core ejection and rebound of the pen core 7 are smoother.

In this embodiment, the fourth positioning ring 51 of the rotary transmission sleeve 5 is higher than the third positioning ring 41, and since the outer diameter of the fourth positioning ring 51 is larger than the inner diameter of the third positioning ring 41, the interference fit is achieved, the stability of connection is ensured, the movement is limited in an interference manner, and the connection stability of each connecting piece in the pen body is increased.

In the embodiment, the left and right positioning blocks 42 in the rotary key 4 are embedded and matched with the positioning grooves 55 at the upper end of the rotary transmission sleeve 5 to achieve connection and fixation, so that the rotary transmission sleeve 5 is driven when the rotary key 4 rotates; through the spacing mode between locating piece 42 and constant head tank 55 for can be better drive the rotation of rotatory transmission cover 5 when rotating rotary key 4, reach the motion uniformity of all connecting pieces of the body.

When in use, the rotary key 4 at the top of the pen body is rotated, the third positioning ring 41 in the rotary key 4 is in interference fit with the fourth positioning ring 51 at the upper part of the rotary transmission sleeve 5, so that the upper parts of the rotary key 4 and the rotary transmission connecting rod 5 are connected without falling off, the positioning blocks 42 at the two sides in the rotary key 4 are matched with the positioning grooves 55 when the upper part of the rotary transmission sleeve 5 is inserted into the rotary key 4, the rotary key 4 can drive the rotary transmission sleeve 5, the first positioning table 52 and the second positioning table 53 at the lower part of the rotary transmission sleeve 5 are also connected with the first positioning ring 23 and the second positioning ring 24 at the inner wall at the upper part of the pen holder 2 in an interference fit manner, the rotary key 4, the rotary transmission sleeve 5 and the pen holder 2 are axially connected, the rotary transmission sleeve 5 separates the lower end into an axial lifting part 56 and a radial abutting part 57 according to the rotary clamping groove 54, the rotary clamping groove 54 is positioned at one end of the height of the axial lifting part 56, the bottom from the rotary clamping groove 54 to the axial lifting part 56 is an inclined plane, the bottom of the axial lifting part 56 is higher than the bottom of the radial abutting part 57, the movable connecting rod 6 is put in from the upper end of the pen holder 2, the limiting clamping groove 63 at the lower end of the movable connecting rod 6 is matched with the limiting blocks 25 arranged left and right on the inner wall of the pen holder 2, the two limiting blocks 25 are positioned in the limiting clamping groove 63 to limit the rotation of the movable connecting rod 6, the positioning clamping strip 61 at the upper part of the movable connecting rod 6 is matched with the rotary clamping groove 54, the movable connecting rod 6 does not rotate when the rotary transmission sleeve 5 rotates, the positioning clamping strip 61 at the top of the movable connecting rod 6 moves downwards along the inclined plane of the axial lifting part 56 from the rotary clamping groove 54, the positioning clamping strip 61 reaches the bottom end of the axial lifting part 56, the lower end of the pen core 7 is pushed out of the pen body, the rotary key 4 rotates in the opposite direction after writing, the positioning clamping strip 61 at the top of the movable connecting rod 6 returns to the rotary clamping groove 54 along the inclined plane from the bottom end of the axial lifting part 56 to reset, the elastic force of the spring 8 pushes the refill 7 to reset, the lower end of the refill 7 penetrates through the spring 8 and is positioned in the holding rod 1, the lower end of the spring 8 is arranged on the spring positioning table 13 on the inner wall of the lower end of the holding rod 1, so that a certain distance is kept between the refill 7 and the holding rod 1, the refill 7 is kept in a rebound state when not used by virtue of the elastic force of the spring 8, and the external thread 11 at the upper end of the holding rod 1 and the internal thread 21 on the inner wall of the lower end of the pen holder 2 are screwed and fixed to the whole pen body; the whole pen body is cored through rotatory rotary key 4, does not have the pressing noise of pressing the mode of core emergence, reaches whole silence's work effect.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. The rotary mute pen comprises a holding rod (1), a pen holder (2), a pen core (7) and a spring (8), wherein the holding rod (1) is screwed and matched with an external thread (11) at the upper end of the holding rod (1) and an internal thread (21) at the lower end of the pen holder (2) to form a pen body, and the pen core (7) penetrates through the spring (8) and is positioned in the pen body formed by the holding rod (1) and the pen holder (2); the method is characterized in that: the rotary type pen further comprises a rubber sleeve (3), a rotary key (4), a rotary transmission sleeve (5) and a movable connecting rod (6), limiting blocks (25) for limiting the rotation of the movable connecting rod (6) are arranged on the left side and the right side of the inner wall of the pen holder (2), positioning holes (32) matched with positioning bosses (12) on the holding rod (1) are formed in the rubber sleeve (3), two positioning blocks (42) and three positioning rings (41) which are bilaterally symmetrical are arranged in the rotary key (4), a positioning clamping strip (61) distributed along the axial direction is arranged on the outer wall of the upper portion of the movable connecting rod (6), a fourth positioning ring (51) with the outer diameter slightly larger than that of the three positioning rings (41) and positioning grooves (55) matched with the positioning blocks (42) are formed in the upper portion of the rotary transmission sleeve (5), and the rotary key (4) is inserted into the upper portion of the rotary transmission sleeve (5) to be matched with each other; the lower part outer wall of rotation transmission cover (5) is provided with a locating bench (52) and No. two locating bench (53) that the external diameter increases in proper order by last, no. one locating bench (52) and No. two locating bench (53) respectively with a retainer plate (23) and No. two locating collars (24) cooperation buckle of pen-holder (2) upper end inner wall are fixed, rotation transmission cover (5) lower extreme is provided with and movable connecting rod (6) location complex rotatory draw-in groove (54), rotation transmission cover (5) are provided with spacing draw-in groove (63) according to rotatory draw-in groove (54) with the bottom about separate set up as axial elevating portion (56) that are used for going up and down to location draw-in bar (61) and be used for radial support movable connecting rod (6) radial butt portion (57), axial elevating portion (56) are the inclined plane and the bottom of axial elevating portion (56) is higher than the bottom of radial butt portion (57), the one end of this axial elevating portion (56) is higher than the other of axial elevating portion (56), the lower part of movable connecting rod (6) is provided with spacing draw-in groove (63), spacing draw-in groove (63) is carried out spacing to rotation transmission cover (5) and spacing draw-in groove (25).

2. The rotary mute pen of claim 1, wherein: the limiting clamping groove (63) at the lower part of the movable connecting rod (6) is embedded and matched with the limiting blocks (25) at the left and right sides of the inner wall of the penholder (2).

3. The rotary mute pen of claim 1, wherein: the fourth positioning ring (51) of the rotary transmission sleeve (5) is higher than the third positioning ring (41), and the outer diameter of the fourth positioning ring (51) is larger than the inner diameter of the third positioning ring (41) to achieve interference fit.

4. The rotary mute pen of claim 1, wherein: the left and right positioning blocks (42) in the rotary key (4) are in embedded fit with the positioning grooves (55) at the upper end of the rotary transmission sleeve (5) to achieve connection and fixation.

5. The rotary mute pen of claim 1, wherein: a pen clip (22) is arranged on the pen holder (2).

6. The rotary mute pen of claim 1, wherein: the rubber sleeve (3) is wrapped and covered outside the holding rod (1), and an anti-skid friction hole (31) is formed in the outer portion of the rubber sleeve.

7. The rotary mute pen of claim 1, wherein: the spring (8) is positioned in the holding rod (1), one end of the spring is positioned at a spring positioning table (13) on the inner wall of the holding rod (1), and the other end of the spring is positioned at the edge of the lower end of the pen core (7).

8. The rotary mute pen of claim 1, wherein: the lower end of the pen core (7) penetrates through the spring (8) and is positioned in the holding rod (1), and the upper end of the pen core (7) is contacted with the bottom end of the movable connecting rod (6).