CN215321638U - Length-adjustable pencil - Google Patents

Abstract

The utility model provides a length-adjustable pencil, which comprises an adjusting barrel, wherein an adjusting chamber is formed in the adjusting barrel, a sliding block is connected in the adjusting chamber in a sliding manner, the lower end of the sliding block is fixedly connected with a connecting column, an adjusting rod is screwed on the upper end surface of the sliding block, the upper end surface of the adjusting rod is fixedly connected with a rotating disc, the lower end surface of the connecting column is fixedly connected with a fixed barrel, a fixed chamber is formed in the fixed barrel, and a plurality of right fixing rings and left fixing rings are arranged in the fixed chamber.

Description

Length-adjustable pencil

Technical Field

The utility model relates to a length-adjustable pencil, and belongs to the field of pencils.

Background

When the general pencil is used for a short time, the pencil stub cannot be held by a hand, so that the pencil stub is discarded, waste is caused, and the pencil stub is short and difficult to clamp, so that the problem needs to be solved by a novel design.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a length-adjustable pencil, which solves the problems that when the pencil is used too short, the pencil stub cannot be held by a hand, so that the pencil stub is discarded, the waste is caused, and the pencil stub is short and difficult to clamp.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a pencil with adjustable length comprises an adjusting cylinder, wherein an adjusting chamber is arranged inside the adjusting cylinder, a sliding block is connected inside the adjusting chamber in a sliding manner, a connecting column is fixedly connected to the lower end of the sliding block, an adjusting rod is screwed on the upper end face of the sliding block, a rotating disc is fixedly connected to the upper end face of the adjusting rod, a fixed cylinder is fixedly connected to the lower end face of the connecting column, a fixed chamber is arranged inside the fixed cylinder, a plurality of right fixing rings and left fixing rings are arranged inside the fixed chamber, a pencil point is fixedly connected between the right fixing rings and the left fixing rings, a plurality of hexagonal limiting rings are arranged inside the fixed chamber, the hexagonal limiting rings are fixed on the inner wall of the fixed chamber through connecting blocks, a sleeve cylinder is sleeved outside the fixed chamber, handles are arranged at two ends outside the sleeve cylinder, and a pulling block is fixedly connected to one side where the handles are close to each other, the one side fixed connection connecting rod that pulls the piece and press close to mutually, a plurality of reset spring of one side fixed connection that the connecting rod pressed close to mutually.

Further, the fixed ring of the right side and the fixed ring of the left side of keeping away from one side fixed connection dead lever mutually, the one side that the dead lever kept away from mutually is fixed mutually with the connecting rod.

Furthermore, the reset spring is fixed with the outer side of the fixed cylinder, and the connecting rod is connected with the fixed cylinder in a sliding mode on the fixed cylinder.

Further, the lower extreme in the regulation section of thick bamboo outside has seted up last fixed annular, the upper end in the cup joint section of thick bamboo outside is opened and is established down fixed annular, go up fixed annular and cup joint the rubber sleeve on the fixed annular down.

Further, a plurality of inserting nails are installed on the inner walls of the right fixing ring and the left fixing ring, and the inserting nails are inserted into the surface of the pencil head.

Furthermore, the adjusting rod is provided with threads, and the adjusting rod is screwed with the sliding block through a threaded hole formed in the upper end face of the adjusting cylinder.

The utility model has the beneficial effects that: through the inside at an adjusting cylinder setting adjusting chamber, and the inside sliding connection sliding block of adjusting chamber, it has the regulation pole to close soon through the up end with the sliding block again, and at the up end fixed connection adjustment disc of adjusting the pole, make can adjust the total length that an adjusting cylinder and spliced pole add up, through the solid fixed cylinder of lower terminal surface fixed connection at the spliced pole, and the fixed chamber has been seted up in the inside of solid fixed cylinder, the rethread is provided with solid fixed ring in the right side and the solid fixed ring in the left side in the inside of fixed chamber, and place the pencil stub between solid fixed ring in the fixed chamber in the right side and the solid fixed ring in the left side, make and press from both sides the pencil stub tightly, with this can utilize shorter pencil stub, reach the effect of avoiding extravagant production.

Through the internally mounted at the fixed chamber have a plurality of hexagonal spacing rings, and pass through the connecting block with the hexagonal spacing ring fixed mutually with the inner wall of fixed chamber, make can fix in the inside of fixed chamber, through the outside looks joint of hexagonal spacing ring and pencil stub, make can inject the pencil stub and can produce when writing and rock, with this can stabilize the pencil stub, reach the effect of avoiding exerting oneself too greatly to damage equipment when writing.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a length-adjustable pencil according to the present invention;

FIG. 2 is a cross-sectional view of an adjusting barrel of the length-adjustable pencil of the present invention;

FIG. 3 is a schematic view of a rubber sleeve of a length-adjustable pencil according to the present invention;

FIG. 4 is a schematic view of a right fixing ring and a left fixing ring of a length-adjustable pencil according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

FIG. 6 is a schematic view of a hexagonal spacing ring of a length-adjustable pencil according to the present invention.

In the figure: 1-adjusting cylinder, 2-connecting column, 3-sleeving cylinder, 4-handle, 5-fixing cylinder, 6-pencil head, 7-lower fixing ring groove, 8-upper fixing ring groove, 9-adjusting disc, 10-adjusting rod, 11-adjusting chamber, 12-sliding block, 13-fixing chamber, 14-right fixing ring, 15-reset spring, 16-connecting rod, 17-pulling block, 18-left fixing ring, 19-inserting nail, 20-fixing rod, 21-rubber sleeve, 22-threaded hole, 23-hexagonal limiting ring and 24-connecting block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: a pencil with adjustable length comprises an adjusting barrel 1, an adjusting chamber 11 is arranged inside the adjusting barrel 1, a sliding block 12 is connected inside the adjusting chamber 11 in a sliding mode, a connecting column 2 is fixedly connected to the lower end of the sliding block 12, an adjusting rod 10 is screwed on the upper end face of the sliding block 12, a rotating disc is fixedly connected to the upper end face of the adjusting rod 10, a fixed barrel 5 is fixedly connected to the lower end face of the connecting column 2, a fixed chamber 13 is arranged inside the fixed barrel 5, a plurality of right fixing rings 14 and left fixing rings 18 are arranged inside the fixed chamber 13, a pencil head 6 is fixedly connected between the right fixing rings 14 and the left fixing rings 18, a plurality of six-side limiting rings 23 are arranged inside the fixed chamber 13, the six-side limiting rings 23 are fixed on the inner wall of the fixed chamber 13 through connecting blocks 24, a sleeve barrel 3 is sleeved outside the fixed chamber 13, handles 4 are arranged at two ends outside the sleeve barrel 3, and pull blocks 17 are fixedly connected to one sides of the handles 4, one side fixed connection connecting rod 16 that pulls the piece 17 to press close to mutually, a plurality of reset spring 15 of one side fixed connection that connecting rod 16 pressed close to mutually for can be with the fixing firmly of pencil stub 6.

The fixing rod 20 is fixedly connected to the side, away from the right fixing ring 14 and the left fixing ring 18, and the side, away from the fixing rod 20, is fixed to the connecting rod 16, so that the pencil stub 6 can be clamped conveniently.

The return spring 15 is fixed to the outside of the fixed cylinder 5, and the connecting rod 16 is slidably connected to the fixed cylinder 5 on the fixed cylinder 5 so as to be slidable left and right in the fixed cylinder 5.

An upper fixed ring groove 8 is formed in the lower end of the outer side of the adjusting barrel 1, a lower fixed ring groove 7 is formed in the upper end of the outer side of the sleeve connecting barrel 3, and a rubber sleeve 21 is sleeved on the upper fixed ring groove 8 and the lower fixed ring groove 7, so that writing can be facilitated.

A plurality of inserting nails 19 are mounted on the inner walls of the right fixing ring 14 and the left fixing ring 18, and the inserting nails 19 are inserted into the surface of the pencil stub 6, so that the pencil stub 6 is fixed inside the fixing chamber 13.

The adjusting rod 10 is provided with threads, and the adjusting rod 10 is screwed with the sliding block 12 through a threaded hole 22 formed in the upper end face of the adjusting cylinder 1, so that the length of the whole device can be adjusted.

The specific implementation mode is as follows: when carrying out the shorter pencil stub 6 of centre gripping, at first outwards stimulate handle 4 of the 5 outer end both sides of fixed cylinder, make the inside solid fixed ring 18 of fixed chamber 13 and the solid fixed ring 14 in expansion state in the right side, have the lower terminal surface of fixed cylinder 5 with pencil stub 6 to put into the inside of fixed chamber 13 afterwards, and place pencil stub 6 between solid fixed ring 18 in the left side and the solid fixed ring 14 in the right side, loosen handle 4 afterwards, the solid fixed ring 18 in the left side that is located fixed chamber 13 inside and the solid fixed ring 14 in the right side are under reset spring 15's effect, with the firm centre gripping of pencil stub 6, through a plurality of grafting nails 19 of fixed connection on solid fixed ring 18 in the left side and the solid fixed ring 14 inner wall in the right side, the outside of rethread hexagonal spacing ring 23 and pencil stub 6 is pegged graft mutually, make can avoid pencil stub 6 to rock easily when writing.

Spliced pole 2 through the up end fixed connection at a fixed cylinder 5, and at spliced pole 2's up end fixed connection sliding block 12, again through placing sliding block 12 in adjusting the regulation room 11 of a 1 inside of section of thick bamboo, make and slide from top to bottom in the inside of regulation room 11, adjust pole 10 through what sliding block 12 up end was closed soon when last adjusting disk 9 was rotatory in adjusting a 1 upper end, can become long spliced pole 2 with the total length of adjusting a 1, make can effectual increase write pencil stub 6's length, write with this can be convenient for, reach and avoid causing extravagant effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a pencil with adjustable length, is including adjusting a section of thick bamboo (1), its characterized in that: the pencil head adjusting mechanism is characterized in that an adjusting chamber (11) is arranged inside the adjusting barrel (1), a sliding block (12) is connected to the inside of the adjusting chamber (11) in a sliding mode, a lower end fixed connection connecting column (2) of the sliding block (12), an adjusting rod (10) is screwed on the upper end face of the sliding block (12), an upper end face fixed connection rotating disc of the adjusting rod (10), a lower end face fixed connection fixing barrel (5) of the connecting column (2), a fixing chamber (13) is arranged inside the fixing barrel (5), a plurality of right fixing rings (14) and left fixing rings (18) are arranged inside the fixing chamber (13), a pencil head (6) is fixedly connected between the right fixing rings (14) and the left fixing rings (18), a plurality of six-side limiting rings (23) are arranged inside the fixing chamber (13), and the six-side limiting rings (23) are fixed on the inner wall of the fixing chamber (13) through connecting blocks (24), a socket joint section of thick bamboo (3) has been cup jointed in the outside of fixed chamber (13), the both ends in the socket joint section of thick bamboo (3) outside are provided with handle (4), one side fixed connection that handle (4) were pressed close to mutually pulls piece (17), one side fixed connection connecting rod (16) that piece (17) were pressed close to mutually is pulled, a plurality of reset spring (15) of one side fixed connection that connecting rod (16) were pressed close to mutually.

2. A length adjustable pencil as set forth in claim 1, wherein: the right fixing ring (14) and the left fixing ring (18) are fixedly connected with a fixing rod (20) at one side far away from each other, and the fixing rod (20) at one side far away from each other is fixed with the connecting rod (16).

3. A length adjustable pencil as set forth in claim 1, wherein: the reset spring (15) is fixed with the outer side of the fixed cylinder (5), and the connecting rod (16) is connected with the fixed cylinder (5) in a sliding mode on the fixed cylinder (5).

4. A length adjustable pencil as set forth in claim 1, wherein: the lower extreme in the regulation section of thick bamboo (1) outside has been seted up and has been fixed annular (8), the upper end in the cover sleeve section of thick bamboo (3) outside is opened and is established fixed annular (7) down, go up fixed annular (8) and cup jointed rubber sleeve (21) down on fixed annular (7).

5. A length adjustable pencil as set forth in claim 1, wherein: a plurality of inserting nails (19) are installed on the inner walls of the right fixing ring (14) and the left fixing ring (18), and the inserting nails (19) are inserted into the surface of the pencil head (6).

6. A length adjustable pencil as set forth in claim 1, wherein: the adjusting rod (10) is provided with threads, and the adjusting rod (10) is screwed with the sliding block (12) through a threaded hole (22) formed in the upper end face of the adjusting cylinder (1).

Images