CN221517669U - Bolt tightening device - Google Patents
Bolt tightening device Download PDFInfo
- Publication number
- CN221517669U CN221517669U CN202323175358.1U CN202323175358U CN221517669U CN 221517669 U CN221517669 U CN 221517669U CN 202323175358 U CN202323175358 U CN 202323175358U CN 221517669 U CN221517669 U CN 221517669U
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- sleeve
- tightening
- tightening shaft
- shaft mounting
- bolt
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a bolt tightening device, and belongs to the technical field of part assembly; comprises a sleeve, a transmission gear box and a tightening shaft mounting sleeve which are connected in sequence; a sleeve connecting gear is arranged in the sleeve; a plurality of transition gears are arranged in the transmission gear box; a tightening shaft connecting gear is arranged in the tightening shaft mounting sleeve; the tightening shaft mounting sleeve is used for being connected with the tightening shaft, and speed and torque are transmitted to the sleeve through the transmission gearbox. The device is simple and easy to operate, reduces the influence factors of human participation on bolt assembly, and avoids the work of calibrating the tightening bolts, thereby reducing the assembly strength of manual assembly, improving the assembly efficiency, ensuring the product quality and avoiding the torque rechecking work. And the inside of the transmission gear box is in gear transmission, so that the influence on the assembly precision caused by deviation of the bolt tightening angle due to torque is prevented.
Description
Technical Field
The utility model belongs to the technical field of part assembly, and relates to a bolt tightening device.
Background
The bolt tightening widely exists in the connection assembly of industrial production parts, and under normal conditions, the electric tightening shaft and the gas plate machine are directly used for tightening. However, in some application scenarios, due to the problem of product space structure, the normal electric tightening shaft and the gas plate machine cannot directly perform bolt tightening work. Especially in the derailleur clamp plate assembly process, because the space is limited between bolt and other assembly parts, electronic screw down axle, gas trigger can't carry out the bolt tightening work.
The assembly operation at present is that the bolt is worn into the bolt hole manually, then the half circle of the wrench is used for screwing the bolt, and the digital display open torque wrench is used for screwing the bolt again after screwing. The method has low assembly efficiency and large labor intensity of staff, and in addition, an additional digital display opening torque wrench is needed for re-tightening work, so that the working efficiency is greatly reduced.
Disclosure of utility model
The utility model aims to solve the technical problems that in the prior art, bolt tightening work with limited working space is difficult to develop, re-tightening work is needed and efficiency is low, and provides a bolt tightening device.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
The utility model provides a bolt tightening device which comprises a sleeve, a transmission gear box and a tightening shaft mounting sleeve which are sequentially connected; a sleeve connecting gear is arranged in the sleeve; a plurality of transition gears are arranged in the transmission gear box; a tightening shaft connecting gear is arranged in the tightening shaft mounting sleeve; the tightening shaft mounting sleeve is used for being connected with the tightening shaft, and speed and torque are transmitted to the sleeve through the transmission gearbox.
Further, the tightening shaft mounting sleeve is of a cylindrical structure; the bottom of the tightening shaft installation sleeve is connected with the tightening shaft connecting gear through a gear box connecting piece.
Further, a plurality of jackscrews are circumferentially arranged on the upper portion of the side wall of the tightening shaft installation sleeve, and the jackscrews are used for connecting the tightening shaft with the tightening shaft installation sleeve.
Further, the opening end of the sleeve is provided with a hexagonal hole internally tangent to the inner wall of the sleeve.
Further, the open end of the tightening shaft mounting sleeve is provided with a quadrilateral hole internally tangent to the tightening shaft mounting sleeve.
Further, the sleeve and the transmission gear box are mutually perpendicular.
Further, the sleeve has a height of no more than 6mm.
Further, the thickness of the transmission gearbox is not more than 12mm.
Further, the wall thickness of the sleeve is not more than 3mm.
Further, the connection relationship between the sleeve and the transmission gear box is a bolt connection.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model discloses a bolt tightening device; the speed and the torque are transmitted to the sleeve through the transmission gear box, and the device is additionally arranged through the tightening gun to carry out bolt tightening work; providing a bridge for the limited space bolt to work; the problem that the limited space bolt can only be screwed by using an open spanner is solved; the device is simple and easy to operate, reduces the influence factors of human participation on bolt assembly, and avoids the work of calibrating the tightening bolts, thereby reducing the assembly strength of manual assembly, improving the assembly efficiency, ensuring the product quality and avoiding the torque rechecking work. And the inside of the transmission gear box is in gear transmission, so that the influence on the assembly precision caused by deviation of the bolt tightening angle due to torque is prevented.
Furthermore, the tightening shaft mounting sleeve is fixedly connected with the tightening shaft through the jackscrew, the transmission part is in embedded connection with the same size, and the sleeve is fixedly connected with the transmission gear box through the bolt in a tightening manner, so that the disassembly is simple and convenient, and the assembly strength of operators is further reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a bottom view of the present utility model;
fig. 5 is an internal structural view of the transmission gear box of the present utility model.
Wherein: 1-a sleeve; 2-a transmission gearbox; 3-tightening the shaft mounting sleeve; 4-screwing the shaft connecting gear; 5-sleeve connecting gear; 6-transition gear; 7-jackscrews; 8-gearbox connection.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model is described in further detail below with reference to the attached drawing figures:
Referring to fig. 1, 3, 4 and 5, an embodiment of the present utility model discloses a bolt tightening device, which is characterized by comprising a sleeve 1, a transmission gear box 2 and a tightening shaft mounting sleeve 3 which are sequentially connected; a sleeve connecting gear 5 is arranged in the sleeve 1; a plurality of transition gears 6 are arranged in the transmission gear box 2; a tightening shaft connecting gear 4 is arranged in the tightening shaft mounting sleeve 3; the tightening shaft mounting sleeve 3 is intended to be connected to a tightening shaft for transmitting speed and torque to the sleeve 1 via the transmission gearbox 2. By installing the device on the rotating head of the electric tightening gun, the bolt tightening tool can be realized in a narrow space which cannot be accessed by the original tightening gun; the device is simple and easy to operate, reduces factors of manual participation in bolt tightening, avoids the work of tightening the bolts, reduces the assembly strength of manual assembly, improves the assembly efficiency, ensures the product bolt tightening quality, does not need additional rechecking, and improves the assembly efficiency.
In a possible embodiment of the present utility model, the tightening shaft mounting sleeve 3 has a cylindrical structure; the bottom of the tightening shaft mounting sleeve 3 is connected with the tightening shaft connecting gear 4 through a gear box connecting piece 8.
In a possible embodiment of the utility model, see fig. 2, the upper part of the side wall of the tightening shaft mounting sleeve 3 is also provided with a number of jackscrews 7 circumferentially, the jackscrews 7 being used for connecting the tightening shaft with the tightening shaft mounting sleeve 3.
In a possible embodiment of the present utility model, the open end of the sleeve 1 is provided with hexagonal holes internally cut into the inner wall of the sleeve 1.
In a possible embodiment of the present utility model, the open end of the tightening shaft mounting sleeve 3 is provided with a quadrangular hole inscribed in the tightening shaft mounting sleeve 3.
In a possible embodiment of the utility model, the sleeve 1 and the transmission gearbox 2 are arranged perpendicular to each other.
In a possible embodiment of the utility model, the height of the sleeve 1 is not more than 6mm and the thickness of the transmission gearbox 2 is not more than 12mm. The sleeve 1 is an ultrathin sleeve; the wall thickness of the sleeve 1 is not more than 3mm. The height of the sleeve 1 and the thickness of the transmission gearbox 2 are minimized as much as possible, and powerful space support is provided for limited space operation.
In a possible embodiment of the utility model, the connection between the sleeve 1 and the transmission gear box 2 is a bolt connection; therefore, the disassembly is simple and convenient, and the assembly strength of operators is further reduced.
The working principle of the utility model is as follows:
The tightening shaft mounting sleeve 3 is connected with the tightening shaft, the tightening shaft connecting gear 4 in the tightening shaft mounting sleeve 3 is meshed with the transition gear 6 in the transmission gear box 2, and the transition gear 6 is meshed with the sleeve connecting gear 5 in the sleeve 1; thereby effecting a speed and torque transfer from the tightening shaft mounting sleeve 3 through the transmission gearbox 2 to the sleeve 1. Thereby achieving the purpose of tightening the bolt in the limited space.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The bolt tightening device is characterized by comprising a sleeve (1), a transmission gear box (2) and a tightening shaft mounting sleeve (3) which are connected in sequence; a sleeve connecting gear (5) is arranged in the sleeve (1); a plurality of transition gears (6) are arranged in the transmission gear box (2); a tightening shaft connecting gear (4) is arranged in the tightening shaft mounting sleeve (3); the tightening shaft mounting sleeve (3) is used for being connected with the tightening shaft, and the speed and the torque are transmitted to the sleeve (1) through the transmission gearbox (2).
2. A bolt tightening device according to claim 1, characterized in that the tightening shaft mounting sleeve (3) is of a cylindrical structure; the bottom of the tightening shaft mounting sleeve (3) is connected with the tightening shaft connecting gear (4) through a gear box connecting piece (8).
3. The bolt tightening device according to claim 1, characterized in that the upper part of the side wall of the tightening shaft mounting sleeve (3) is further provided with a plurality of jackscrews (7) in the circumferential direction, the jackscrews (7) being used for connecting the tightening shaft with the tightening shaft mounting sleeve (3).
4. A bolt tightening device according to claim 3, characterized in that the open end of the sleeve (1) is provided with hexagonal holes which are inscribed in the inner wall of the sleeve (1).
5. A screw tightening device according to claim 4, characterized in that the open end of the tightening shaft mounting sleeve (3) is provided with a quadrangular hole inscribed in the tightening shaft mounting sleeve (3).
6. A screw tightening device according to claim 5, characterized in that the sleeve (1) is arranged perpendicular to the transmission gearbox (2).
7. A screw tightening device according to claim 6, characterized in that the height of the sleeve (1) is not more than 6mm.
8. A screw tightening device according to claim 7, characterized in that the thickness of the transmission gearbox (2) is not more than 12mm.
9. A bolt tightening device according to claim 8, characterized in that the wall thickness of the sleeve (1) is not more than 3mm.
10. A screw-down device according to claim 9, characterized in that the connection between the sleeve (1) and the transmission gearbox (2) is a screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323175358.1U CN221517669U (en) | 2023-11-23 | 2023-11-23 | Bolt tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323175358.1U CN221517669U (en) | 2023-11-23 | 2023-11-23 | Bolt tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221517669U true CN221517669U (en) | 2024-08-13 |
Family
ID=92206058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323175358.1U Active CN221517669U (en) | 2023-11-23 | 2023-11-23 | Bolt tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221517669U (en) |
-
2023
- 2023-11-23 CN CN202323175358.1U patent/CN221517669U/en active Active
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| GR01 | Patent grant |