Telescopic page turning pen

Abstract

The utility model discloses a telescopic page turning pen, which belongs to the technical field of page turning pens and comprises a handheld part, a key module is mounted on the handheld part, a battery is arranged in the handheld part, a charging port is arranged on the handheld part, and the handheld part is connected with an indicating rod through a plurality of extension rods which are sequentially sleeved. The sizes of the lengthening rods are gradually reduced in the direction away from the handheld part, and a containing cavity used for containing the lengthening rods is formed in the handheld part; positioning parts are arranged among the lengthening rods, between the containing cavities and the corresponding lengthening rods and between the indicating rods and the lengthening rods so that the lengthening rods and the indicating rods can be kept fixed when stretching out or retracting back, the length of the indicating rods is larger than that of any lengthening rod, and rubber balls are fixedly connected to the end faces, away from the bottoms of the containing cavities, of the indicating rods. According to the utility model, not only can the laser irradiation be adopted for indication, but also the page turning pen can be lengthened for indication when necessary, and the indication effect is obvious.

Description

TECHNICAL FIELD

[0001] The utility model relates to page turning pen technical field, concretely relates to a telescopic page turning pen. BACKGROUND

[0002] Page turning pen, also known as electronic pointer or PPT remote controller, is a teaching tool used by teachers, training personnel and speakers when demonstrating teaching and projects, which can free the user from the restriction of having to operate at the computer, and can turn pages at any corner of the classroom or speaking site according to the progress, so as to maximize the advantage of body language, making teaching and speaking more vivid.

[0003] At present, most page turning pens are usually equipped with laser pointers, which can emit red laser beams (some page turning pens support green light) to indicate important content on the screen or guide the viewer's line of sight. This function is very useful when precise pointing or emphasizing a detail is needed, but the indication effect of laser irradiation is not strong, especially in bright environments. To solve the above problems, the utility model provides a telescopic page turning pen. UTILITARIAN CONTENT

[0004] In view of the above technical deficiencies, the utility model aims to provide a telescopic page turning pen, which can not only use laser irradiation for indication, but also can be lengthened when necessary for indication, which is significantly more effective than traditional laser irradiation indication.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a telescopic page turning pen, which comprises:

[0006] A hand-held part is provided with a key module, a battery is arranged in the hand-held part, a charging port is arranged on the hand-held part, an indication rod is connected to the hand-held part through a plurality of lengthening rods which are sequentially sleeved, the size of the plurality of lengthening rods gradually decreases in the direction away from the hand-held part, and a containing cavity for accommodating the lengthening rods is arranged in the hand-held part.

[0007] Among the plurality of lengthening rods, between the containing cavity and the corresponding lengthening rod, and between the indication rod and the lengthening rod, a positioning part is arranged to keep the lengthening rod and the indication rod fixed when they are extended or retracted.

[0008] Preferably, the length of the indication rod is greater than the length of any lengthening rod, and a rubber ball is fixedly connected to the end face of the indication rod away from the cavity bottom.

[0009] Preferably, the diameter of the rubber ball is greater than the diameter of the indication rod.

[0010] Preferably, the positioning part comprises:

[0011] snap ring;

[0012] two fixing rings, the two fixing rings are in interference fit with the corresponding snap rings.

[0013] Preferably, the material of the snap ring is an elastic material.

[0014] Preferably, the shape of the outer ring surface of the snap ring is an outward convex circular arc shape.

[0015] Preferably, the snap ring is a hollow structure, and the upper end thereof is a fixed end fixedly connected with the lengthening rod, and the lower end thereof is a floating end.

[0016] Preferably, a plurality of accommodation openings are arranged on the snap ring, and the plurality of accommodation openings are distributed along the circumference of the lengthening rod.

[0017] Preferably, a mounting block is fixedly connected to the end side surface of the handheld part away from the cavity bottom side wall of the accommodating cavity, and a laser emitter is mounted on the mounting block.

[0018] Preferably, an anti-skid pattern is arranged on the outer surface of the handheld part.

[0019] The utility model discloses the beneficial effect lies in:

[0020] The utility model discloses through the setting of multiple lengthening rods, realizes telescopic function, when needing direct and obvious indication, just can pull out multiple lengthening rods, and the rubber ball is fixedly arranged on the indicating rod, can protect the screen when indicating, and because the diameter of rubber ball is greater than the diameter of indicating rod, so can conveniently pull out the lengthening rod for the user.

[0021] The utility model discloses through the setting of snap ring and fixing ring, realizes when lengthening rod is pulled out or retracted, the snap ring will with the corresponding fixing ring mutual cooperation, thereby make multiple lengthening rods can keep stable, can then conveniently use for the user. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to be used in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0023] Figure 1 The structure diagram of the telescopic page turning pen provided by the utility model embodiment.

[0024] Figure 2 The retracted state diagram of the multiple lengthening rods of the utility model.

[0025] Figure 3 It is a structural schematic view of the mounting block.

[0026] Figure 4 It is a sectional view of the utility model.

[0027] Figure 5 It is the A place enlarged view of the utility model Figure 4 .

[0028] Figure 6 It is a structural schematic view of the snap ring (first visual angle) of the utility model.

[0029] Figure 7 It is a structural schematic view of the snap ring (second visual angle) of the utility model.

[0030] Mark explanation:

[0031] 1, hand-held part, 2, button module, 3, containing cavity, 4, extension rod, 5, battery, 6, rubber ball, 7, snap ring, 8, fixed ring, 9, let go of mouth, 10, mounting block, 11, indicating rod. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0033] The utility model provides a telescopic page turning pen, as Figures 1 to 7 Shown.

[0034] Embodiment one:

[0035] A telescopic page turning pen, including hand-held part 1, the inside of hand-held part 1 is equipped with containing cavity 3, this containing cavity 3 is used to store multiple extension rods 4, multiple extension rods 4 are in turn connected, and the size of multiple extension rods 4 gradually reduces along the direction away from hand-held part 1, when not using, multiple extension rods 4 can be stored in the inside of containing cavity 3, it is convenient for carrying and storage.

[0036] The end side of hand-held part 1 away from containing cavity 3 cavity bottom side wall is fixedly connected with mounting block 10, and laser emitter is installed on mounting block 10.

[0037] The hand-held part 1 is provided with a key module 2, the key module 2 is electrically connected with a laser emitter and a radio frequency module arranged in the hand-held part 1, the key module 2 includes a page turning key, a laser switch and the like, and a user can realize page turning and laser indication and the like operation through the key module 2; the radio frequency module and the laser emitter are prior art and are widely used in various page turning pens, so the utility model does not make redundant description.

[0038] The inside of the cavity bottom side wall of the accommodating cavity 3 is provided with a battery 5, the battery 5 can supply power to the laser emitter and the radio frequency module, the battery 5 can be charged through the charging port arranged on the hand-held part 1, the charging port is designed as a general interface (such as Type-C or Micro-USB), and this facilitates user use.

[0039] The hand-held part 1 is provided with anti-skid lines, the friction force when holding is increased, the anti-skid lines can adopt a rubber material or a concave-convex texture design, and the hand-held part 1 is prevented from slipping during use.

[0040] Embodiment two:

[0041] The length of the lengthened rod 4 with the smallest diameter is greater than those of the rest of the lengthened rods 4, and the end, away from the cavity bottom side wall of the accommodating cavity 3, of the lengthened rod 4 is fixedly connected with a rubber ball 6; the diameter of the rubber ball 6 is greater than that of the lengthened rod 4 connected with the rubber ball 6; the rubber ball 6 is made of soft rubber material and has good elasticity and wear resistance; when a screen is indicated, the rubber ball 6 can avoid damaging the screen, and meanwhile, the diameter of the rubber ball 6, which is greater than that of the corresponding lengthened rod 4, can facilitate the user to pull out the lengthened rod 4.

[0042] Embodiment three:

[0043] In order to keep the plurality of lengthened rods 4 fixed and not accidentally slide when being stretched out or retracted, positioning parts are arranged between the plurality of lengthened rods 4 and the accommodating cavity 3 and the corresponding lengthened rods 4.

[0044] The positioning parts include snap rings 7 and two fixed rings 8; the lower end of each lengthened rod 4 is fixedly connected with a snap ring 7; the diameter of the snap ring 7 connected with the lengthened rod 4 is greater than that of the lengthened rod 4 connected with the snap ring 7; the lower end of the indicating rod 11 is also fixedly connected with a snap ring 7; the diameter of the snap ring 7 connected with the indicating rod 11 is greater than that of the indicating rod 11.

[0045] The inside of the two ends of the accommodating cavity 3 is fixedly connected with a fixed ring 8; the inside of each lengthened rod 4 is provided with a corresponding receiving cavity; the two ends of the inside of each receiving cavity are also fixedly connected with a fixed ring 8; the fixed ring 8 and the corresponding snap ring 7 are in interference fit, so as to ensure that the lengthened rod 4 and the indicating rod 11 are kept fixed when being stretched out or retracted, the lengthened rod 4 is prevented from accidentally sliding during use, and the stability and reliability of use are improved.

[0046] The size of the accommodating cavity 3 and the opening of the receiving cavity are matched with the size of the corresponding lengthening rod 4 and the indicating rod 11, and because the distance between the plurality of clamping rings 7 is greater than the corresponding lengthening rod 4 and the indicating rod 11, under the action of the clamping ring 7, the plurality of lengthening rods 4 and the indicating rod 11 are stable in extension and contraction and do not separate from each other.

[0047] The material of the clamping ring 7 is an elastic material (such as rubber), which has good elasticity and wear resistance. The shape of the outer surface of the clamping ring 7 is a convex arc shape. The clamping ring 7 is a hollow structure, and the upper end is a fixed end fixedly connected with the lengthening rod 4, and the lower end is a floating end. A plurality of clearance openings 9 are arranged on the clamping ring 7 and are distributed along the circumference of the lengthening rod 4. The design of the clearance opening 9 can make the clamping ring 7 better elastically deform under stress, and can make the clamping ring 7 better cooperate with the fixing ring 8, so as to facilitate the extension and contraction operation of the lengthening rod 4.

[0048] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A telescoping page turner, comprising: The utility model relates to a kind of laser pointer, including: Handheld part, button module is installed on the handheld part, the inside of the handheld part is equipped with battery, the handheld part is equipped with charging port, the handheld part is connected with indicating rod by multiple lengthening rods of sequentially sleeve connection, and the size of multiple lengthening rods gradually reduces along the direction away from handheld part, the inside of the handheld part is equipped with the accommodating cavity for accommodating lengthening rod; Wherein, positioning part is equipped between multiple lengthening rods, between accommodating cavity and corresponding lengthening rod and between indicating rod and lengthening rod, so that lengthening rod and indicating rod keep fixed when extending or retracting.

2. A telescoping page turner as defined in claim 1, wherein, The length of the indicating rod is greater than the length of any lengthening rod, and a rubber ball is fixedly connected to the end face of the indicating rod away from the cavity bottom.

3. A telescoping page turner as defined in claim 2, wherein, The diameter of the rubber ball is greater than the diameter of the indicating rod.

4. A telescoping page turner as defined in claim 1, wherein, The positioning part includes: Snap ring; Two fixed rings are interference fit with corresponding snap rings.

5. A telescopic page turner as claimed in claim 4, wherein, The material of the snap ring is elastic material.

6. A telescoping page turner as defined in claim 4, wherein, The shape of the outer surface of the snap ring is convex arc shape.

7. A telescoping page turner as defined in claim 4, wherein, The snap ring is a hollow structure, and its upper end is a fixed end fixedly connected with the lengthening rod, and the lower end is a floating end.

8. A telescopic page turner as claimed in claim 7, wherein, Multiple accommodation openings are provided on the snap ring and distributed along the circumference of the lengthening rod.

9. A telescoping page turner as defined in claim 1, wherein, The end side of the handheld part away from the side wall of the cavity bottom is fixedly connected with a mounting block, and a laser emitter is mounted on the mounting block.

10. A telescoping page turner as defined in claim 1, wherein, The outer surface of the handheld part is provided with anti-slip pattern.

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