Internal stopping and external moving mechanism

Abstract

The utility model relates to an internal stopping and external moving mechanism which comprises a gear box, a driving assembly and a sleeve tightening assembly. The gear box is of a box body structure, and a transmission gear is arranged in the gear box; the output end of the driving assembly is in driving connection with a gear in the gearbox and can drive the gear to rotate, and the gear is in transmission connection with the sleeve tightening assembly. The sleeve tightening assembly comprises an outer sleeve, an inner sleeve and a hexagonal bit; one end of the inner sleeve is inserted and fixed in the gearbox, and the other end extends out of the gearbox; the outer sleeve is arranged outside the inner sleeve in a sleeving manner, is in transmission connection with the gear and can rotate under the driving of the gear; the outer sleeve and the inner sleeve are coaxially arranged; the hexagonal screwdriver head is detachable in the length direction of the inner sleeve and is installed in the inner sleeve, and the working end of the hexagonal screwdriver head extends out of the bottom end of the outer sleeve, can move up and down in the length direction of the inner sleeve and is reset through an inner spring. The connecting mode is simple, the outer sleeve is electrically driven to rotate, the hexagonal screwdriver head abuts against a to-be-tightened screw, and the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of manual assembly, and in particular to an inner-stop outer-move mechanism. Background Art

[0002] Internal stop and external motion mechanisms have a wide range of applications, including in machinery manufacturing, automation equipment, aerospace, and automotive manufacturing. For example, in automotive manufacturing, internal stop and external motion mechanisms can be used in the engine's crankshaft-connecting rod mechanism to convert the reciprocating motion of the piston into the rotational motion of the crankshaft. In automation equipment, internal stop and external motion mechanisms can be used to drive components such as robotic arms and conveyor belts for precise motion control.

[0003] The traditional internal stop and external move mechanism has a complex structure, which makes the operation process more cumbersome when technicians perform manual assembly, and it is difficult to meet the user's demand for a simple structure and efficient work. Utility Model Content

[0004] In view of this, the present application proposes an inner stop outer move mechanism to solve the above problem.

[0005] According to one aspect of the present application, there is provided an internal stop external movement mechanism, comprising: a gear box, a drive assembly, and a sleeve tightening assembly;

[0006] The gearbox is a box structure, and a transmission gear is arranged inside the gearbox;

[0007] The output end of the driving assembly is drivingly connected to the gear in the gear box, capable of driving the gear to rotate, and the gear is drivingly connected to the sleeve tightening assembly;

[0008] The sleeve tightening assembly comprises: an outer sleeve, an inner sleeve and a hexagonal bit;

[0009] One end of the inner sleeve is inserted and fixed in the gear box, and the other end extends to the outside of the gear box;

[0010] The outer sleeve is sleeved on the outside of the inner sleeve and is in transmission connection with the gear, and can rotate under the drive of the gear; and the outer sleeve and the inner sleeve are coaxially arranged;

[0011] The hexagonal bit is detachably inserted into the inner sleeve along the longitudinal direction of the inner sleeve, and the working end of the hexagonal bit extends out of the bottom end of the outer sleeve. The hexagonal bit can be moved up and down along the longitudinal direction of the inner sleeve.

[0012] In one possible implementation, the sleeve tightening assembly further includes: a spring, which is inserted into the interior of the inner sleeve along the length direction of the inner sleeve, and the top end of the spring is located inside the inner sleeve, and the bottom end of the spring abuts against the top end of the hexagonal bit.

[0013] In a possible implementation, the method further includes: a bolt, wherein the bolt is threadedly fixed to the top end of the inner sleeve, and the bottom end of the bolt is abutted and fixed to the top end of the spring.

[0014] In a possible implementation, the hexagonal screwdriver bit is divided into a first part, a second part and a third part from top to bottom, the first part, the second part and the third part are arranged in a stepped manner, and the corresponding cross-sectional areas decrease successively from top to bottom; a limiting part is provided at the lower part of the hexagonal screwdriver bit, and a limiting hole is provided in the limiting part, the first part is arranged inside the limiting hole, the limiting hole matches the size of the second part, and the third part extends out of the bottom end of the limiting hole.

[0015] In one possible implementation, the drive assembly includes: a mounting frame and a tightening gun, the side projection of the mounting frame is L-shaped, the sleeve tightening assembly is longitudinally arranged on the horizontal structure of the mounting frame, and a buttstock is arranged on the vertical structure of the mounting frame, the buttstock matches the size of the tightening gun, and the tightening gun is mounted inside the buttstock.

[0016] In one possible implementation, there are multiple gears, and the gears are arranged along the length direction of the gear box. The multiple gears are meshed and connected. The gears corresponding to the drive assembly are connected to the output end of the drive assembly, and the gears corresponding to the outer sleeve are connected to the outer sleeve to drive the outer sleeve to rotate.

[0017] In one possible implementation, an opening and a through hole are provided along the length direction of the gear box, the opening is concentrically arranged with the axis of one of the gears, and the output end of the drive assembly is inserted into the opening; the through hole is concentrically arranged with the axis of any other gear, and the inner sleeve is inserted and fixed in the through hole.

[0018] In a possible implementation, the mounting bracket is arranged on the upper end surface of the gear box, the outer sleeve is arranged on the lower end surface of the gear box, and the buttstock and the sleeve tightening assembly are arranged on both sides of the gear box in the length direction.

[0019] In a possible implementation, the drive assembly further includes: a pressing member, which is screwed and fixed to the upper end surface of the gunstock, and the pressing member matches the size of the tightening gun to fix the tightening gun.

[0020] In a possible implementation, the top end of the inner sleeve is flush with the top end of the mounting bracket, and the inner sleeve is screwed to the mounting bracket via a cover plate.

[0021] Beneficial effects of this application:

[0022] The internal stop and external motion mechanism of the present application is compact and efficient. By cleverly combining the drive assembly, gearbox, and sleeve tightening assembly, a compact whole is formed. This improves overall work efficiency. The gears in the gearbox transmit power, enabling the outer sleeve and hexagonal bit to rotate precisely and efficiently, thereby achieving fast and accurate tightening of the nut and bolt. Secondly, because the output end of the hexagonal bit is connected to the bottom of the outer sleeve and rotates with the outer sleeve, the operator only needs to control the drive assembly to perform the tightening operation, greatly simplifying the operation process.

[0023] Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

[0025] Figure 1 A cross-sectional view showing an inner stop outer move mechanism according to an embodiment of the present application;

[0026] Figure 2 A schematic structural diagram of the inner stop outer move mechanism of an embodiment of the present application is shown. DETAILED DESCRIPTION

[0027] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0028] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0030] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0031] In addition, numerous specific details are provided in the detailed description below to better illustrate the present application. Those skilled in the art will appreciate that the present application can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art are not described in detail in order to highlight the main purpose of the present application.

[0032] like Figure 1 and Figure 2 As shown, the inner stop and outer movement mechanism comprises: a gear box 1, a drive assembly and a sleeve tightening assembly; the gear box 1 is a box structure, and a transmission gear is provided inside the gear box 1; the output end of the drive assembly is connected to the gear driving connection in the gear box 1, which can drive the gear to rotate, and the gear is transmission-connected to the sleeve tightening assembly; the sleeve tightening assembly comprises: an outer sleeve 2, an inner sleeve 3 and a hexagonal screwdriver bit 7; one end of the inner sleeve 3 is inserted and fixed in the gear box 1, and the other end extends to the outside of the gear box 1; the outer sleeve 2 is sleeved on the outside of the inner sleeve 3 and is transmission-connected with the gear, and can rotate under the drive of the gear; and the outer sleeve 2 is coaxially arranged with the inner sleeve 3; the hexagonal screwdriver bit 7 is detachably inserted into the inner sleeve 3 along the longitudinal direction of the length of the inner sleeve 3, and the working end of the hexagonal screwdriver bit 7 extends out of the bottom end of the outer sleeve 2, and the hexagonal screwdriver bit 7 can move up and down along the length of the inner sleeve 3.

[0033] The internal stop and external motion mechanism proposed in this embodiment has a simple connection method. A drive device is provided to electrically drive the rotation of the outer sleeve 2 and the hexagonal screwdriver bit 7, reducing labor costs. Furthermore, the internal stop and external motion mechanism of the present application is compact and efficient. By cleverly combining the drive assembly, gearbox 1, and sleeve tightening assembly, a compact structure is formed. Overall work efficiency is improved. The gears in the gearbox 1 transmit power, enabling the outer sleeve 2 and the hexagonal screwdriver bit 7 to rotate accurately and efficiently, thereby achieving fast and accurate tightening between the nut and the bolt 6. Secondly, the hexagonal screwdriver bit 7 is arranged longitudinally along the length of the outer sleeve 2 and is fixed to the gearbox 1 by a limit bolt 6. This design makes the replacement and maintenance of the hexagonal screwdriver bit 7 very convenient. At the same time, because the output end of the hexagonal screwdriver bit 7 is transmission-connected to the bottom of the outer sleeve 2 and rotates with the outer sleeve 2, the operator only needs to control the drive assembly to perform the tightening operation, greatly simplifying the operation process. Among them, the tightening gun is fixed on the gunstock 41, the gear box 1 is connected to the outer sleeve 2, the tightening gun drives the gear box 1 to rotate, and the outer sleeve 2 rotates accordingly. The inner sleeve 3 is fixed inside the outer sleeve 2. Through the special anti-rotation design, the effect of internal stop and external movement is achieved. The spring 5, the limit bolt 6, and the hexagonal screwdriver bit 7 are installed inside the inner sleeve 3. By removing the limit bolt 6, the standard hexagonal screwdriver bit 7 can be replaced.

[0034] In one specific embodiment, the sleeve tightening assembly further includes a spring 5, which is inserted into the interior of the inner sleeve 3 along the length of the inner sleeve 3, with the top end of the spring 5 located inside the inner sleeve 3 and the bottom end of the spring 5 abutting the top end of the hexagonal bit 7. In this embodiment, it should be noted that the telescopic length of the spring 5 is greater than or equal to the thickness of the nut to be tightened, so that the length of the hexagonal bit 7 extending from the outer sleeve 2 is greater than or equal to the thickness of the nut to be tightened. Therefore, in the tightening gun using the internal stop and external motion mechanism of the present application, the outer sleeve 2 is driven to rotate by the gear box 1, and the outer sleeve 2 is transmission-connected with the working end of the hexagonal screwdriver bit 7. Since the working end of the hexagonal screwdriver bit 7 extends to the bottom end of the outer sleeve 2, the working end of the hexagonal screwdriver bit 7 first contacts the screw rod, and the screw rod end and the nut form a regular hexagonal positioning hole. The size of the positioning hole is adapted to the working end of the hexagonal screwdriver bit 7, so that after the working end of the hexagonal screwdriver bit 7 is inserted into the positioning hole, the axial rotation of the screw rod is restricted. When the angle of the working end of the hexagonal screwdriver bit 7 is consistent with the positioning hole, the hexagonal screwdriver bit 7 is directly inserted into the positioning hole. When the angles are different, the hexagonal screwdriver bit 7 is directly inserted into the positioning hole. When the screw is tightened, the nut is tightened to the position where it is needed for the screw to be tightened. When the screw is tightened, the nut is tightened to the position where it is needed for the screw to be tightened. When the screw is tightened, the nut is tightened to the position where it is needed for the screw to be tightened. When the screw is tightened, the nut is tightened to the position where it is needed for the screw to be tightened. When the screw is tightened, the nut is tightened to the position where it is needed for the screw to be tightened.

[0035] Furthermore, it should be noted that since the hexagonal bit 7 is a replaceable component, the mechanism can be adapted to screws or bolts 6 of different specifications and models, and has a wide range of applicability. Whether it is a large or small diameter screw, the tightening operation can be achieved by replacing the corresponding hexagonal bit 7.

[0036] It should also be noted that the bottom end of the inner sleeve 3 is higher than the bottom end of the outer sleeve 2 , and the bottom end of the outer sleeve 2 is higher than the bottom end of the hexagonal bit 7 .

[0037] In one specific embodiment, the assembly further includes a bolt 6, which is threadedly secured to the top of the inner sleeve 3, with the bottom end of the bolt 6 abutting and securing the top of the spring 5. In this embodiment, it should be noted that a hexagonal bit 7 is disposed within the inner sleeve 3, secured to the gearbox by the bolt 6, limiting the upward movement of the bolt 6. Furthermore, when tightening screws of different sizes, the bolt 6 can be removed, the spring 5 and the original hexagonal bit 7 removed, and a new hexagonal bit 7 can be directly replaced. The spring 5 is then inserted and secured with the bolt 6.

[0038] Furthermore, in one specific embodiment, the hexagonal bit 7 is divided from top to bottom into a first portion 71, a second portion 72, and a third portion 73. The first portion 71, the second portion 72, and the third portion 73 are arranged in a stepped manner, and the corresponding cross-sectional areas decrease from top to bottom. A limiting portion 10 is provided at the bottom of the hexagonal bit 7. The limiting portion 10 defines a limiting hole. The first portion 71 is provided above the limiting hole. The limiting hole matches the size of the second portion 72, and the third portion 73 extends out of the bottom end of the limiting hole. The limiting hole limits the position of the bottom of the hexagonal bit 7 to prevent the hexagonal bit 7 from falling directly out of the inner sleeve 3. Therefore, by providing a bolt 6 above the hexagonal bit 7 and providing a corresponding limiting hole in the second portion 72 of the hexagonal bit 7, the position of the hexagonal bit 7 in the inner sleeve 3 is limited.

[0039] It should also be noted that the bolt 6 , the spring 5 and the hexagonal bit 7 are coaxially arranged in the inner sleeve 3 , and the hexagonal bit 7 and the inner sleeve 3 are coaxially arranged.

[0040] The inner sleeve 3 comprises an upper and lower body, coaxially arranged and integrally formed. The upper body has a larger cross-sectional area than the lower body. The mounting bracket 4 defines a stepped circular hole 43, concentrically arranged with the through-hole in the gearbox. The upper diameter of the stepped hole 43 is larger than the through-hole, while the lower diameter is equal to the through-hole. The upper portion of the stepped hole 43 mates with the upper body, while the lower portion mates with the lower body. Therefore, the inner sleeve 3 is inserted directly into the gearbox.

[0041] In one specific embodiment, the drive assembly includes a mounting frame 4 and a tightening gun. The side projection of the mounting frame 4 is L-shaped. A sleeve tightening assembly is longitudinally mounted on the horizontal structure of the mounting frame 4. A gun stock 41 is mounted on the vertical structure of the mounting frame 4. The gun stock 41 is matched to the size of the tightening gun, and the tightening gun is mounted within the gun stock 41. In this embodiment, it should be noted that the mounting frame 4 includes a base plate and a support plate. The base plate is screwed to the gear box 1, and the support plate extends longitudinally from one side of the base plate. The center of the support plate is provided with a U-shaped gun stock 41, which is suitable for mounting the tightening gun.

[0042] Furthermore, in one specific embodiment, the drive assembly further includes a clamping member 8, which is screwed to the upper end surface of the buttstock 41. The clamping member 8 matches the size of the clamping gun and secures the clamping gun. The clamping member 8 has a "J"-shaped structure, with its lower end screwed to the base plate. The distance between the clamping member 8 and the buttstock 41 is adjustable. Furthermore, the clamping member 8 has an inverted U-shaped structure, corresponding to the U-shaped structure of the support plate.

[0043] Further, the mounting frame 4 is screwed and fixed on the gear box 1, and the side of the mounting frame 4 where the butt 41 is provided extends out of the upper end surface of the gear box 1. That is, the length of the mounting frame 4 extending out of the gear box 1 is equal to the length of the support plate.

[0044] In one specific embodiment, there are multiple gears, and the multiple gears are arranged along the length direction of the gear box 1. The multiple gears are meshed and connected. The gears corresponding to the drive component are connected to the output end of the drive component, and the gears corresponding to the outer sleeve 2 are connected to the outer sleeve 2 to drive the outer sleeve 2 to rotate.

[0045] Furthermore, in one specific embodiment, the gear box 1 is provided with an opening 42, which is concentric with the axis of one of the gears, and the output end of the drive assembly is inserted into the opening 42. A through hole is provided in the gear box 1, which is concentric with the axis of any other gear, and the inner sleeve 3 is inserted and fixed in the through hole. Figure 1 As shown, Figure 1 The left and right directions are the length directions, Figure 1 The up and down direction is the height direction. Three gears are arranged in the gear box 1, and the three gears are arranged along the length direction. The left side is the main gear, and from left to right are the first slave gear and the second slave gear. The opening 42 is circular and is arranged on the upper end face of the gear box 1, and the opening 42 is arranged corresponding to the main gear, so as to facilitate the connection between the output end of the tightening gun and the axis of the main gear, thereby driving the first slave gear and the second slave gear in turn. The through hole passes through from the upper end face of the gear box 1 to the lower end face of the gear box 1, and the through hole is arranged corresponding to the axis of the second slave gear, and the inner sleeve 3 is inserted and fixed in the through hole, and extends along the depth of the through hole to the lower part of the gear box 1. It should be further explained that the through hole and the opening 42 are arranged on the center line of the gear box 1.

[0046] In one specific embodiment, the buttstock 41 is arranged on the upper end surface of the gear box 1, the outer sleeve 2 is arranged on the lower end surface of the gear box 1, and the buttstock 41 and the sleeve tightening assembly are arranged on both sides of the gear box 1 in the length direction.

[0047] In one specific embodiment, the gearbox 1 is a rectangular parallelepiped structure, and the corners of one side of the gearbox 1 where the sleeve tightening assembly is provided are rounded. In this embodiment, it should be noted that the gearbox 1 and the bottom plate of the mounting bracket 4 have the same shape.

[0048] In one specific embodiment, the mounting bracket 4 is arranged on the upper end surface of the gear box, the outer sleeve 2 is arranged on the lower end surface of the gear box 1, and the buttstock 41 and the sleeve tightening assembly are arranged on both sides of the gear box 1 in the length direction.

[0049] In one specific embodiment, the top end of the inner sleeve 3 is flush with the top end of the mounting bracket 4 , and the inner sleeve 3 is screwed to the mounting bracket 4 through a cover plate 9 .

[0050] It should be noted that although the above description uses the internal stop and external movement mechanism as an example, those skilled in the art will appreciate that the present application is not limited thereto. In fact, users can flexibly set parameters based on their personal preferences and / or actual application scenarios, as long as they are reasonable.

[0051] The embodiments of the present application have been described above. The above description is illustrative and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to the technology in the market, or to enable other persons skilled in the art to understand the embodiments disclosed herein.

Claims

1. An internal stop external movement mechanism, characterized in that: include: Gearbox, drive assembly and socket tightening assembly; The gearbox is a box structure, and a transmission gear is arranged inside the gearbox; The output end of the driving assembly is drivingly connected to the gear in the gear box, capable of driving the gear to rotate, and the gear is drivingly connected to the sleeve tightening assembly; The sleeve tightening assembly comprises: an outer sleeve, an inner sleeve and a hexagonal bit; One end of the inner sleeve is inserted and fixed in the gear box, and the other end extends to the outside of the gear box; The outer sleeve is sleeved on the outside of the inner sleeve and is in transmission connection with the gear, and can rotate under the drive of the gear; and the outer sleeve and the inner sleeve are coaxially arranged; The hexagonal bit is detachably inserted into the inner sleeve along the longitudinal direction of the inner sleeve, and the working end of the hexagonal bit extends out of the bottom end of the outer sleeve. The hexagonal bit can be moved up and down along the longitudinal direction of the inner sleeve.

2. The inner stop outer movement mechanism according to claim 1, characterized in that: The sleeve tightening assembly further includes a spring, which is inserted into the interior of the inner sleeve along the length direction of the inner sleeve, with the top end of the spring located inside the inner sleeve and the bottom end of the spring abutting against the top end of the hexagonal bit.

3. The inner stop outer movement mechanism according to claim 2, characterized in that: Also includes: A bolt is threadedly fixed to the top end of the inner sleeve, and a bottom end of the bolt is abutted and fixed to the top end of the spring.

4. The inner stop outer movement mechanism according to claim 1, characterized in that: The hexagonal screwdriver bit is divided into a first part, a second part and a third part from top to bottom. The first part, the second part and the third part are arranged in a stepped shape, and the corresponding cross-sectional areas decrease successively from top to bottom; a limiting part is provided at the lower part of the hexagonal screwdriver bit, and a limiting hole is provided in the limiting part. The first part is arranged inside the limiting hole, the limiting hole matches the size of the second part, and the third part extends out of the bottom end of the limiting hole.

5. The inner stop outer movement mechanism according to any one of claims 1 to 4, characterized in that: The driving assembly includes: a mounting frame and a tightening gun. The side projection of the mounting frame is L-shaped. The sleeve tightening assembly is longitudinally arranged on the horizontal line structure of the mounting frame. A gun stock is arranged on the vertical line structure of the mounting frame. The gun stock matches the size of the tightening gun, and the tightening gun is mounted in the gun stock.

6. The inner stop outer movement mechanism according to claim 1, characterized in that: There are multiple gears, and the multiple gears are arranged along the length direction of the gear box. The multiple gears are meshed and connected. The gears corresponding to the drive assembly are matched and connected with the output end of the drive assembly. The gears corresponding to the outer sleeve are matched and connected with the outer sleeve to drive the outer sleeve to rotate.

7. The inner stop outer movement mechanism according to claim 1, characterized in that: An opening and a through hole are provided along the length direction of the gear box. The opening is concentrically arranged with the axis of one of the gears, and the output end of the drive assembly is inserted into the opening; the through hole is concentrically arranged with the axis of any other gear, and the inner sleeve is inserted and fixed in the through hole.

8. The inner stop outer movement mechanism according to claim 5, characterized in that: The mounting frame is arranged on the upper end surface of the gear box, the outer sleeve is arranged on the lower end surface of the gear box, and the buttstock and the sleeve tightening assembly are arranged oppositely on both sides of the gear box in the length direction.

9. The inner stop outer movement mechanism according to claim 5, characterized in that: The driving assembly further comprises a pressing member, which is screwed and fixed to the upper end surface of the gunstock. The pressing member matches the size of the tightening gun and fixes the tightening gun.

10. The inner stop outer movement mechanism according to claim 5, characterized in that: The top end of the inner sleeve is flush with the top end of the mounting frame, and the inner sleeve is screwed to the mounting frame through a cover plate.

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