Telescopic driving machine core structure

Abstract

The telescopic driving machine core structure comprises a shell, a driving device and a telescopic seat, the shell is provided with an inner cavity, the upper end of the inner cavity is provided with an opening, the opening forms a guide sliding channel, the middle of the shell is concavely provided with a solid wall towards the direction of the inner cavity, a limiting groove is formed in the outer wall of the solid wall, and the driving device is arranged in the limiting groove. The limiting groove is used for installing a battery, the driving device is arranged on the lower portion of the inner cavity and comprises a rotating servo motor, a transmission assembly connected with the rotating servo motor and a crank matched with the transmission assembly, and the crank is arranged opposite to the wall face and the solid wall and bent in the direction away from the solid wall. The telescopic base is slidably installed in the limiting groove, and the lower end of the telescopic base is connected with the upper end of the crank in a pivoted mode. Through simple layout, an existing gearbox is replaced with the transmission assembly, the bent crank is used for providing an avoiding interval, then the solid wall is concavely arranged, and installation of the battery is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of movement, especially a telescopic drive movement structure. BACKGROUND

[0002] In the application of movement, such as fascia gun or toys, a telescopic structure is generally provided to realize massage or drive. However, in some application scenarios, such as a small shell, it is necessary to accommodate a large battery while ensuring the safety and stability of the battery, and the existing telescopic structure cannot be realized.

[0003] For example, Chinese patent CN202022526355.8 adopts a handle structure to facilitate battery accommodation, so the overall volume is large. INVENTION CONTENTS

[0004] The main purpose of the utility model is to provide a telescopic drive movement structure, which aims to improve the existing structure, adopts a non-gearbox structure, realizes the reciprocating telescopic structure through the structure of the crank, and facilitates the installation of the battery, effectively reducing the overall volume.

[0005] To achieve the above purpose, the utility model provides a telescopic drive movement structure, which comprises:

[0006] A shell is provided with an inner cavity, an opening is provided at the upper end of the inner cavity, the opening forms a guide sliding channel, a solid wall is recessed in the inner cavity direction in the middle of the shell, the outer wall of the solid wall forms a limiting groove, and the limiting groove is used for installing a battery;

[0007] A drive device is arranged at the lower part of the inner cavity, which comprises a rotating servo motor, a transmission assembly connected with the rotating servo motor, and a crank matched with the transmission assembly, the crank is arranged opposite to the wall surface and the solid wall and is bent away from the solid wall;

[0008] A telescopic seat is slidably installed in the limiting groove, and the lower end of the telescopic seat is pivotally connected with the upper end of the crank.

[0009] In actual design, through simple layout, the existing gearbox is replaced by the transmission assembly, and the crank is arranged by bending, the crank provides a clearance interval, and the solid wall is recessed to facilitate the installation of the battery,

[0010] The cooperation of the crank and the transmission assembly is that the longer axle distance can provide larger torque, so that the telescopic seat can provide predetermined driving pressure, and the telescopic frequency is more linear;

[0011] Through reasonable layout design, the overall volume is effectively reduced, meanwhile, the battery can be more effectively protected, and the battery replacement and installation are easier. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A sectional view of the present utility model Figure One ;

[0013] Figure 2 A sectional view of the present utility model Figure Two ;

[0014] Figure 3 A schematic view of the driving device and the telescopic seat in cooperation;

[0015] Figure 4 A schematic view of the present utility model in three dimensions.

[0016] In the drawings,

[0017] 1 is a shell, 10 is an inner cavity, 11 is a guide sliding channel, 12 is a solid wall, 13 is a limiting groove,

[0018] 2 is a driving device, 20 is a rotating servo motor, 21 is a vertical ratchet wheel, 22 is a first gear, 23 is a second gear, 24 is a driving gear, 25 is a rotating shaft,

[0019] 3 is a crank, 31 is a vertical part, 32 is a crank rod,

[0020] 4 is an annular part, 41 is a strip-shaped groove, 42 is an eccentric shaft,

[0021] 51 is a first pivoting part, 52 is a first pivoting hole,

[0022] 6 is a convex eave, 60 is a telescopic seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0024] It should be noted that if the embodiments of the present utility model involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0025] In addition, if the description of "first" or "second" or the like is involved in the embodiments of the present application, the description of "first" or "second" or the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0026] As shown in Figures 1 to 4 A telescopic drive movement structure, comprising:

[0027] A housing 1, the housing 1 is provided with an inner cavity 10, the upper end of the inner cavity 10 is provided with an opening, the opening forms a guide sliding channel 11, the middle part of the housing 1 is recessed towards the inner cavity 10 direction and is provided with a solid wall 12, the outer wall of the solid wall 12 forms a limiting groove 13, the limiting groove 13 is used for installing a battery;

[0028] A drive device 2, the drive device 2 is arranged at the lower part of the inner cavity 10, the drive device 2 includes a rotary servo motor 20, a transmission assembly connected with the rotary servo motor 20 and a crank 3 matched with the transmission assembly, the crank 3 is arranged opposite to the wall surface and the solid wall 12 and is bent away from the solid wall 12;

[0029] A telescopic seat 60, the telescopic seat 60 is slidably installed in the limiting groove 13, the lower end of the telescopic seat 60 is pivotally connected with the upper end of the crank 3.

[0030] In actual design, through simple layout, the existing gear box is replaced by transmission assembly, and the crank 3 is arranged by bending, the avoidance interval is provided by the crank 3, and then the solid wall 12 is recessed, which facilitates the installation of the battery,

[0031] The cooperation of the crank 3 and the transmission assembly is that the longer axle distance can provide larger torque, so that the telescopic seat 60 can provide predetermined driving pressure, and the telescopic frequency is more linear;

[0032] Through reasonable layout design, the overall volume is effectively reduced, and the battery can be more effectively protected, and the battery replacement and installation are more easy.

[0033] Specifically, the transmission assembly comprises a vertical ratchet wheel 21 connected with the driving end of the rotary servo motor 20, a first gear 22 engaged with the vertical ratchet wheel 21, a second gear 23 coaxially arranged with the first gear 22, and a driving gear 24 engaged with the second gear 23,

[0034] The wall surface of the driving gear 24 is provided with an eccentric shaft 42, the crank 3 is provided with a strip-shaped groove 41 matched with the eccentric shaft 42, and the torque is effectively transmitted through the matching of the vertical ratchet wheel 21, the first gear, the second gear 23 and the driving gear 24.

[0035] Through the matching of the eccentric shaft 42 and the strip-shaped groove 41, when the driving gear 24 rotates, the eccentric shaft 42 rotates in a circle, at this time the eccentric shaft 42 slides along the strip-shaped groove 41, thereby driving the crank 3 to move, and the upper end of the crank 3 is limited through the guide sliding channel 11; and then the rotary stroke is converted into a linear stroke.

[0036] In the embodiment of the utility model, the crank 3 includes a vertical part 31 and a curved lever 32 obliquely extended from the vertical part 31, the lower end of the vertical part 31 extends transversely with a ring-shaped part 4, and the ring-shaped part 4 is provided with the strip-shaped groove 41.

[0037] Specifically, the telescopic seat 60 comprises two oppositely arranged side shells, the side shell is provided with a first pivot part 51, the upper end of the curved lever 32 is provided with a first pivot hole 52 matched with the first pivot part 51, thereby realizing the reciprocating movement of the telescopic seat 60, and installation is convenient.

[0038] In the embodiment of the utility model, the outer wall of the telescopic seat 60 is polygonal, the guide sliding channel 11 is matched with the shape of the outer wall of the telescopic seat 60, the non-circular structure can realize the limiting of the telescopic seat 60, and the stability of telescoping is ensured.

[0039] Specifically, the upper end of the telescopic seat 60 is provided with a radial extension eave 6, the outer diameter of the eave 6 is greater than the inner diameter of the guide sliding channel 11, thereby realizing stable limiting.

[0040] In the embodiment of the utility model, the first gear and the second gear 23 are matched and connected through the same rotating shaft, and the rotating shaft is pivotally installed on the wall surface of the solid wall 12 or the shell 1.

[0041] Specifically, the driving gear 24 is pivotally installed on the wall surface of the solid wall 12 or the shell 1.

[0042] In the embodiment of the utility model, the eccentric shaft 42 is a screw rod, the screw rod is screwed on the wall surface of the driving gear 24 after passing through the arc-shaped groove, and of course the specific mounting structure can be designed according to actual needs.

[0043] In particular, the vertical portion 31 is arranged parallel to the solid wall 12.

[0044] The above merely describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application is included in the patent protection scope of the present application.

Claims

1. A telescopic movement structure, characterized in that, The utility model relates to a shell is provided with inner chamber, the upper end of inner chamber is provided with opening, the opening forms the guide slide channel, the middle part of shell recesses towards the direction of inner chamber and is provided with solid wall, the outer wall of solid wall forms the limiting groove for installing battery, Drive device is located in the lower part of inner chamber, and the drive device includes a rotating servo motor, a transmission assembly connected to the rotating servo motor, and a crank cooperating with the transmission assembly, the crank is arranged opposite to the wall surface and the solid wall and is bent away from the solid wall, The telescopic seat is slidably installed in the limiting groove, and the lower end of the telescopic seat is pivotally connected to the upper end of the crank. The transmission assembly includes a vertical ratchet connected to the driving end of the rotating servo motor, a first gear engaged with the vertical ratchet, a second gear coaxially arranged with the first gear, and a drive gear engaged with the second gear, 2. The expansion drive movement according to claim 1, characterized in that: The wall surface of the drive gear is provided with an eccentric shaft, and the crank is provided with a strip-shaped groove cooperating with the eccentric shaft. The crank includes a vertical part and a curved rod extending obliquely from the vertical part, and the lower end of the vertical part extends transversely with an annular part, and the annular part is provided with the strip-shaped groove.

3. The flexible drive movement structure according to claim 2, wherein: The telescopic seat includes two oppositely arranged side shells, and the side shells are provided with a first pivot part, and the upper end of the curved rod is provided with a first pivot hole cooperating with the first pivot part.

4. The flexible drive movement structure according to claim 3, wherein: The outer wall of the telescopic seat is polygonal, and the guide slide channel is suitable for the shape of the outer wall of the telescopic seat.

5. The flexible drive movement structure of claim 1, wherein: The upper end of the telescopic seat is provided with a radially extending eave, and the outer diameter of the eave is greater than the inner diameter of the guide slide channel.

6. The flexible drive movement structure of claim 5, wherein: The first gear and the second gear are attached and connected through the same rotating shaft, and the rotating shaft is pivotally installed on the wall surface of the solid wall or the shell.

7. The flexible drive movement structure of claim 2, wherein: The drive gear is pivotally installed on the wall surface of the solid wall or the shell.

8. The flexible drive movement structure of claim 2, wherein: The eccentric shaft is a screw rod, which is screwed to the wall surface of the drive gear after passing through the arc-shaped groove.

9. The flexible drive movement structure of claim 2, wherein: The vertical part and the solid wall are arranged in parallel.

10. The flexible drive movement structure of claim 3, wherein: ​

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