CN217932969U

CN217932969U - Telescopic command pen

Info

Publication number: CN217932969U
Application number: CN202222010978.9U
Authority: CN
Inventors: 刘倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-29
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a telescopic pen that waves, including shell, inner tube, connection shell and rubber head, the first connecting pipe of bottom fixedly connected with of connection shell, the bottom of first connecting pipe is provided with the second connecting pipe, and the bottom of first connecting pipe is provided with the movable block, and coupling assembling, the spacing subassembly of the inside fixedly connected with of second connecting pipe have all been seted up with the both sides of bottom at movable block top. The utility model discloses a set up coupling assembling, can make coupling assembling be connected the movable block with first connecting pipe and second connecting pipe, can be convenient for install the movable block, spacing subassembly can be convenient for carry on spacingly to the chalk of filling in simultaneously, avoid the chalk to drop, it is not convenient for install the chalk and use to have solved this kind of telescopic pen of waving, it needs to change pen and chalk of waving to lead to the user when needs write on the blackboard, the hand that can lead to the user is stained with the problem of chalk dust.

Description

Telescopic command pen

Technical Field

The utility model relates to a commander's pen technical field specifically is a telescopic pen that instructs.

Background

In the teaching process, a teacher uses a swinging pen to indicate the content on a blackboard or a display screen to students when giving lessons, so as to guide the students to quickly see the content of the current lectures.

For example, application No.: CN202121918316.0, the utility model discloses a high school's chinese teacher is with telescopic pen of waving, including adjusting telescopic machanism, hanging mechanism and indicating mechanism, it includes commander outer tube, motor, threaded sleeve and connection shell to adjust telescopic machanism, commander outer tube and commander inner tube sliding connection, commander inner tube and motor connection shell fixed connection, motor and motor connection shell fixed connection, threaded sleeve and commander inner tube fixed connection, and threaded sleeve and threaded connection pole threaded connection, connection shell and singlechip fixed connection. Slide along a connector through No. two connecting plates, compress No. two springs, stretch out and draw back through No. two springs and carry out shock attenuation protection to the device when placing, avoid the device external vibrations to lead to each junction of device to take place not hard up when placing.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, though can solve traditional command pen and cause blackboard surface damage easily when using, the part that most finger was waved the pen and is caused the finger easily when placing damages, and traditional command pen length is difficult to carry out quick adjustment, the problem of awkward, this kind of telescopic finger is waved the pen and is not convenient for install the chalk and use, lead to the user to need to change finger when writing on the blackboard in needs, can lead to user's hand to be stained with the chalk dust.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a telescopic pen that waves has possessed convenient to use's advantage, has solved this kind of telescopic pen that waves and has not been convenient for install the chalk and use, leads to the user to need to wave pen and chalk to change when needs write on the blackboard, can lead to user's hand to be stained with the problem of chalk dust.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a telescopic pen that instructs, includes shell, inner tube, connection shell and rubber head, the inside swing joint of the bottom of inner tube and outer tube, the top fixed connection of the bottom of rubber head and inner tube, the bottom fixed connection of the top of connection shell and shell, the first connecting pipe of bottom fixed connection of connection shell, the bottom of first connecting pipe is provided with the second connecting pipe, the bottom of first connecting pipe is provided with the movable block, coupling assembling has all been seted up to the both sides of movable block top and bottom, the spacing subassembly of the inside fixed connection of second connecting pipe.

As the utility model discloses it is preferred, coupling assembling includes the connecting block, the activity groove has all been seted up to the bottom of first connecting pipe and the bottom of second connecting pipe, the activity groove is the annular setting, connecting block and spread groove swing joint, the movable block is the cavity setting.

As the utility model discloses preferred, spacing subassembly includes a first spacing section of thick bamboo, first thread groove has all been seted up in the four corners of a first spacing section of thick bamboo inner wall, the top of a first spacing section of thick bamboo contacts with the bottom of movable block.

As the utility model discloses preferred, the second thread groove has been seted up to the inside of movable block, first thread groove is linked together with the second thread groove.

As the utility model discloses preferred, the spacing section of thick bamboo of inner wall fixedly connected with second of first connecting pipe, the bottom of the spacing section of thick bamboo of second contacts with the top of movable block.

As the utility model discloses it is preferred, the fixed surface of movable block is connected with the antislip strip, the antislip strip is provided with a plurality of.

As the utility model discloses it is preferred, the bottom swing joint of second connecting pipe has the rubber buffer, the inside to first thread groove is run through at the top of rubber buffer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up coupling assembling, can make coupling assembling be connected the movable block with first connecting pipe and second connecting pipe, can be convenient for install the movable block, spacing subassembly can be convenient for carry on spacingly to the chalk of filling in simultaneously, avoid the chalk to drop, it is not convenient for install the chalk and use to have solved this kind of telescopic pen of waving, it needs to change pen and chalk of waving to lead to the user to write when needs are written on the blackboard, the hand that can lead to the user is stained with the problem of chalk dust, the advantage of convenient to use has been possessed.

2. The utility model discloses a set up coupling assembling, can make connecting block and activity groove swing joint, can convenient to use person rotate the movable block, can be convenient for the movable block drives the chalk through the second thread groove and remove, can be convenient for carry out outside removal and inward movement to the chalk, through setting up the second thread groove, when can making the movable block rotate, make the movable block drive the chalk through the second thread groove and remove, can be convenient for reciprocate the chalk.

3. The utility model discloses a set up outside subassembly, can make the cooperation of first spacing section of thick bamboo and second thread groove, can be at the surface fluting of chalk, can be convenient for make movable block and second thread groove cooperation remove the chalk, through setting up the spacing section of thick bamboo of second, can make the spacing section of thick bamboo of second carry on spacingly to the chalk that enters into in the first connecting pipe, can avoid dropping and make the chalk lead to the fracture because of the impact on first connecting pipe and ground.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. an inner tube; 3. a connecting shell; 4. a rubber head; 5. a first connecting pipe; 6. a second connection pipe; 7. a moving block; 8. a connecting assembly; 81. connecting blocks; 82. a movable groove; 9. a limiting component; 91. a first limiting cylinder; 92. a first thread groove; 10. a second thread groove; 11. a second limiting cylinder; 12. anti-slip strips; 13. and a rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the utility model provides a pair of telescopic pen of waving, which comprises an outer shell 1, inner tube 2, connecting shell 3 and rubber head 4, the bottom of inner tube 2 and the inside swing joint of outer tube, the bottom of rubber head 4 and the top fixed connection of inner tube 2, the top of connecting shell 3 and the bottom fixed connection of shell 1, the first connecting pipe 5 of bottom fixedly connected with of connecting shell 3, the bottom of first connecting pipe 5 is provided with second connecting pipe 6, the bottom of first connecting pipe 5 is provided with movable block 7, coupling assembling 8 has all been seted up with the both sides of bottom at movable block 7 top, the spacing subassembly 9 of the inside fixedly connected with of second connecting pipe 6.

Referring to fig. 3, the connecting assembly 8 includes a connecting block 81, a movable groove 82 has been all seted up to the bottom of the first connecting pipe 5 and the bottom of the second connecting pipe 6, the movable groove 82 is an annular arrangement, the connecting block 81 and the connecting groove swing joint, the moving block 7 is a hollow arrangement.

As the utility model discloses a technical optimization scheme through setting up coupling assembling 8, can make connecting block 81 and activity groove 82 swing joint, can be convenient for the user rotate movable block 7, can be convenient for movable block 7 to drive the chalk through second thread groove 10 and remove, can be convenient for carry out outside removal and inside removal to the chalk.

Referring to fig. 3, the limiting assembly 9 includes a first limiting barrel 91, first thread grooves 92 are formed at four corners of an inner wall of the first limiting barrel 91, and a top of the first limiting barrel 91 is in contact with a bottom of the moving block 7.

As the utility model discloses a technical optimization scheme through setting up outside subassembly, can make first spacing section of thick bamboo 91 and the cooperation of second thread groove 10, can slot on the surface of chalk, can be convenient for make movable block 7 and the cooperation of second thread groove 10 remove the chalk.

Referring to fig. 3, the moving block 7 has a second screw groove 10 formed therein, and the first screw groove 92 communicates with the second screw groove 10.

As the utility model discloses a technical optimization scheme, through setting up second thread groove 10, when can making movable block 7 rotate, make movable block 7 drive the chalk through second thread groove 10 and remove, can be convenient for reciprocate the chalk.

Referring to fig. 3, a second limiting cylinder 11 is fixedly connected to the inner wall of the first connecting pipe 5, and the bottom of the second limiting cylinder 11 is in contact with the top of the moving block 7.

As the utility model discloses a technical optimization scheme through setting up the spacing section of thick bamboo 11 of second, can make the spacing section of thick bamboo 11 of second carry on spacingly to the chalk that enters into in the first connecting pipe 5, can avoid dropping and make the chalk lead to the fracture because of the impact on first connecting pipe 5 and ground.

Referring to fig. 1, the surface of the moving block 7 is fixedly connected with a plurality of anti-skid strips 12, and the anti-skid strips 12 are arranged.

As a technical optimization scheme of the utility model, through setting up antislip strip 12, can convenient to use person rotate movable block 7, can avoid appearing the condition that the hand is smooth when rotatory movable block 7.

Referring to fig. 2, a rubber stopper 13 is movably connected to the bottom of the second connecting pipe 6, and the top of the rubber stopper 13 penetrates into the first thread groove 92.

As a technical optimization scheme of the utility model, through setting up rubber buffer 13, can seal second connecting pipe 6, can avoid in debris etc. enters into second connecting pipe 6, can avoid second connecting pipe 6 to be blockked up.

The utility model discloses a theory of operation and use flow: extract rubber buffer 13 when using, insert first thread groove 92 with the chalk, press rotatory chalk afterwards, make the chalk enter into first thread groove 92, make first thread groove 92 fluting on the surface of chalk, the chalk can enter into second spacing section of thick bamboo 11 through second thread groove 10 after that, install the chalk, when needs write with the chalk downstream, rotatory movable block 7, make movable block 7 drive the chalk downstream through second thread groove 10, make the bottom of chalk spill, can be convenient for the user write on the blackboard, when rotatory movable block 7 chalk can not remove, hold the chalk that spills at second connecting pipe 6 bottom, rotatory chalk after that, make the chalk downstream, take out remaining chalk from second connecting pipe 6, rubber buffer 13 can seal second connecting pipe 6, can avoid entering into second connecting pipe 6 in debris etc., can avoid second connecting pipe 6 to be blockked up, second spacing section of thick bamboo 11 can carry out spacing connection pipe 5 the chalk that enters into in the first connecting pipe simultaneously, can avoid dropping and make the chalk break because of first connecting pipe 5 and possess the impact force of being convenient for use, the advantage of possessing.

In summary, the following steps: this telescopic pen that waves, through setting up coupling assembling 8, can make coupling assembling 8 be connected movable block 7 with first connecting pipe 5 and second connecting pipe 6, can be convenient for install movable block 7, spacing subassembly 9 can be convenient for carry on spacingly to the chalk of filling in simultaneously, avoid the chalk to drop, it is not convenient for install the chalk to use to have solved this kind of telescopic pen that waves, it needs to wave pen and chalk to change to indicate when leading to the user to write on the blackboard in needs, the hand that can lead to the user glues the problem that has the chalk dust.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A telescopic pen that instructs, includes shell (1), inner tube (2), connecting shell (3) and rubber head (4), its characterized in that: the bottom of inner tube (2) and the inside swing joint of outer tube, the bottom of rubber head (4) and the top fixed connection of inner tube (2), the top of connecting shell (3) and the bottom fixed connection of shell (1), the bottom fixedly connected with first connecting pipe (5) of connecting shell (3), the bottom of first connecting pipe (5) is provided with second connecting pipe (6), the bottom of first connecting pipe (5) is provided with movable block (7), coupling assembling (8) have all been seted up to the both sides at movable block (7) top and bottom, the inside fixedly connected with of second connecting pipe (6) spacing subassembly (9).

2. The telescopic wand of claim 1, wherein: coupling assembling (8) are including connecting block (81), activity groove (82) have all been seted up to the bottom of first connecting pipe (5) and the bottom of second connecting pipe (6), activity groove (82) are the annular setting, connecting block (81) and spread groove swing joint, movable block (7) are the cavity setting.

3. The telescopic wand of claim 1, wherein: the limiting assembly (9) comprises a first limiting barrel (91), first thread grooves (92) are formed in four corners of the inner wall of the first limiting barrel (91), and the top of the first limiting barrel (91) is in contact with the bottom of the moving block (7).

4. The retractable wand of claim 3, wherein: a second thread groove (10) is formed in the moving block (7), and the first thread groove (92) is communicated with the second thread groove (10).

5. The telescopic wand of claim 1, wherein: the inner wall of the first connecting pipe (5) is fixedly connected with a second limiting cylinder (11), and the bottom of the second limiting cylinder (11) is in contact with the top of the moving block (7).

6. The retractable wand of claim 3, wherein: the surface of the moving block (7) is fixedly connected with anti-skidding strips (12), and the anti-skidding strips (12) are provided with a plurality of.

7. The telescopic wand of claim 1, wherein: the bottom swing joint of second connecting pipe (6) has rubber buffer (13), run through to in first thread groove (92) at the top of rubber buffer (13).