CN219768159U - Nut installation auxiliary tool for narrow space - Google Patents
Nut installation auxiliary tool for narrow space Download PDFInfo
- Publication number
- CN219768159U CN219768159U CN202321366529.6U CN202321366529U CN219768159U CN 219768159 U CN219768159 U CN 219768159U CN 202321366529 U CN202321366529 U CN 202321366529U CN 219768159 U CN219768159 U CN 219768159U
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- driving
- nut
- wheel
- adjusting
- narrow space
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- 238000009434 installation Methods 0.000 title claims description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 210000003811 finger Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides an auxiliary tool for installing a nut in a narrow space, which comprises a handle body; the mounting end is arranged at the front end of the handle body and is provided with a nut sleeve; the driving end is arranged at the middle end or the rear end of the handle body; the driving belt is in transmission connection with the mounting end and the driving end so as to drive the mounting end to synchronously rotate under the rotation action of the driving end; the distance adjuster is arranged on the handle body and is used for adjusting the distance between the driving end and the mounting end so as to adjust the tightness of the transmission belt; compared with the prior art, the driving end is driven to synchronously rotate by the driving belt under the rotation action of the driving end, so that a nut on the nut sleeve can be screwed into a bolt head; and the tightness of the transmission belt can be adjusted by the distance adjuster, so that the condition that nuts are difficult to screw due to labor consumption or too loose caused by too tight transmission belt is avoided.
Description
Technical Field
The utility model relates to the technical field of nut installation, in particular to an auxiliary nut installation tool for a narrow space.
Background
In product assembly, some products (such as IZ water pump produced by applicant company) have compact structure, a part of nuts have small installation space, and although the corner space of the corresponding wrench is considered in product design, the difficulty of screwing the nuts to the bolt heads in practical operation is still great, workers need to slowly screw the nuts to the bolt heads by using a single finger, and finally screw the nuts by using a ratchet wrench, and the installation mode seriously influences the assembly work efficiency.
Disclosure of Invention
The utility model aims to provide an auxiliary nut installation tool for a narrow space, and aims to solve the technical problem that nuts in the narrow space are difficult to install in the background technology.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the present utility model provides a nut installation auxiliary tool for a narrow space, comprising:
a handle body;
the mounting end is arranged at the front end of the handle body and is provided with a nut sleeve;
the driving end is arranged at the middle end or the rear end of the handle body;
the driving belt is in transmission connection with the mounting end and the driving end so as to drive the mounting end to synchronously rotate under the rotation action of the driving end;
and the distance adjuster is arranged on the handle body and is used for adjusting the distance between the driving end and the mounting end so as to adjust the tightness of the transmission belt.
Compared with the prior art, the driving end is driven to synchronously rotate by the driving belt under the rotation action of the driving end, so that a nut on the nut sleeve can be screwed into a bolt head; and the tightness of the transmission belt can be adjusted by the distance adjuster, so that the condition that nuts are difficult to screw due to labor consumption or too loose caused by too tight transmission belt is avoided.
In one embodiment, the mounting end includes a driven wheel detachably connected to the nut sleeve.
In one embodiment, the driven wheel and the nut sleeve are fixed by magnetic attraction or snap.
In one embodiment, the driving end comprises a driving wheel and a driving knob detachably connected with the driving wheel, wherein the driving knob is arranged on the same side or the different side of the nut sleeve.
In one embodiment, the distance adjuster comprises:
the connecting piece is provided with a mounting groove at one side of the connecting piece, which is away from the mounting end, and the driving wheel is arranged in the mounting groove; a threaded column is arranged on one side of the connecting piece, which faces the mounting end;
and the adjusting spline is in threaded connection with the threaded column so as to adjust the distance between the driving end and the mounting end under the action of adjusting spline.
In one embodiment, the mounting groove is a U-shaped groove, and the notch direction of the U-shaped groove is opposite to the mounting end;
the driving wheel is arranged in the U-shaped groove and contacts with the U-shaped groove in a pasting way under the elastic action of the driving belt.
In one embodiment, the distance adjuster further comprises a locking spline which is in threaded connection with the threaded post and located on one side of the adjusting spline.
In one embodiment, the handle body is provided with an adjusting notch, and the adjusting notch is arranged corresponding to the adjusting flower wheel, or the adjusting notch is arranged corresponding to the adjusting flower wheel and the locking flower wheel.
In one embodiment, the mounting end includes a driven wheel having a pitch diameter that is less than a pitch diameter of the drive wheel.
In one embodiment, the handle body is provided with a clearance hole, and the clearance hole is located between the mounting end and the driving end.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a perspective view of a nut installation aid for a narrow space according to the present utility model;
FIG. 2 is an exploded view of the nut installation aid for confined spaces of the present utility model;
FIG. 3 is a cross-sectional view of the nut installation aid for confined spaces of the present utility model;
FIG. 4 is a schematic view of the omitted parts of the nut installation aid for confined spaces of the present utility model;
FIG. 5 is one of the usage state views of the nut installation aid for narrow spaces of the present utility model;
fig. 6 is a second view showing a state of use of the nut installation aid for a narrow space according to the present utility model.
Reference numerals illustrate:
10 handle body, 110 adjusting notch, 120 clearance hole, 210 driven wheel, 220 nut sleeve, 310 driving wheel, 320 driving knob, 40 driving belt, 510 connecting piece, 511 mounting groove, 512 screw thread post, 520 adjusting flower wheel, 530 locking flower wheel.
Detailed Description
In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are intended to be within the scope of the embodiments of the present utility model.
The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model as detailed in the accompanying claims. In the description of the present utility model, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. 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.
Furthermore, in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
Referring to fig. 1 to 6, the present utility model provides a nut installation aid for a narrow space, comprising: a handle body 10; a mounting end provided at a front end of the shank body 10, the mounting end being provided with a nut sleeve 220; a driving end provided at a middle or rear end of the shank 10; the driving belt 40 is in driving connection with the mounting end and the driving end so as to drive the mounting end to synchronously rotate under the rotation action of the driving end; and the distance adjuster is arranged on the handle body 10 and adjusts the distance between the driving end and the mounting end so as to adjust the tightness of the transmission belt 40.
When the nut in a narrow space is required to be installed, a worker uses the nut installation auxiliary tool of the utility model to install the nut, specifically, firstly, the nut is placed on the nut sleeve 220 (wherein, a matching hole is arranged on the nut sleeve 220, the shape of the matching hole is matched with that of the nut), the nut on the nut sleeve 220 is aligned with the bolt head, and the worker operates the driving end to drive the nut sleeve 220 at the installation end to rotate by means of the driving belt 40, so that the nut is screwed on the bolt head, and finally, the ratchet wrench is used for screwing the nut, so that the nut installation is completed.
According to the utility model, a mode that a worker screws the nut onto the bolt head slowly by using a single finger in the prior art is abandoned, and the nut is innovatively screwed onto the bolt head by means of a nut installation auxiliary tool; wherein, the drive end is arranged at the middle end or the rear end of the handle body 10, the installation end is arranged at the front end of the handle body 10, when the front end of the nut installation auxiliary tool stretches into a narrow space, a worker can operate the drive end, so that the drive end is driven to synchronously rotate by the driving belt 40 under the rotation action of the drive end, and the nut on the nut sleeve 220 can be screwed into the bolt head.
Since the belt 40 is purchased in the same specification, even though it is slightly longer or shorter than the belt 40, the nut installation auxiliary tool of the present utility model has serious influence on the user experience because the belt 40 is too tight due to the slightly shorter belt 40, and the belt 40 is too loose due to the slightly longer belt 40, which makes it difficult to screw the nut into the bolt head. For this reason, the utility model is purposely provided with a distance adjuster, and the tightness of the driving belt 40 is adjusted by using the distance adjuster, so that the driving belt 40 can be in a proper tightness range after adjustment by a user, and the condition that nuts are difficult to screw due to labor consumption or over loosening caused by over tightening of the driving belt 40 is avoided.
In addition, as the number of times of use of the nut installation aid of the present utility model increases, the driving belt 40 is gradually loosened, and a worker can adjust the tightness of the driving belt 40 through the distance adjuster, so that the nut installation aid of the present utility model can maintain an optimal use state.
In one embodiment, the mounting end includes a driven wheel 210, where the driven wheel 210 is detachably connected with the nut sleeve 220, and in this embodiment, the nut sleeve 220 is detached so as to replace the nut sleeve 220 with another specification, so as to implement mounting and fixing of nuts with different specifications.
Further, the driven wheel 210 is magnetically connected or fastened to the nut sleeve 220, specifically, a hexagonal hole or a square hole matched with a hexagonal post or a square post of the nut sleeve 220 is provided on one side of the mounting end of the present utility model, and a magnet may be provided in the hexagonal hole or the square hole, so that the nut sleeve 220 is adsorbed and fixed by using the magnet.
In one embodiment, the driving end includes a driving wheel 310 and a driving knob 320 detachably connected to the driving wheel 310, and the driving knob 320 is disposed on the same side or on the different side as the nut sleeve 220. The worker rotates the driving wheel 310 by rotating the driving knob 320, so as to drive the mounting end (the driven wheel 210) to synchronously rotate by means of the driving belt 40, thereby enabling the nut sleeve 220 to screw the nut onto the bolt head. In order to facilitate the worker to perform the one-hand operation, the driving knob 320 is disposed at the same side as the nut sleeve 220, and the worker can rotate the driving knob 320 only by using a thumb of one hand; in order to cope with the installation of nuts in other specific positions, the driving knob 320 is disposed at the opposite side of the nut sleeve 220, and a worker can grasp the handle body 10 with one hand and rotate the driving knob 320 with the other hand. Through the design, the embodiment realizes various operation modes and handles different use scenes.
Further, a hexagonal hole or a square hole is formed on one side of the driving wheel 310, and a hexagonal post or a square post of the driving knob 320 is inserted into the hexagonal hole or the square hole and then fixed by a clip, so that the driving wheel 310 is connected with the driving knob 320. And the handle body is provided with a notch at the position corresponding to the driving end so as to guide and limit the connecting piece part of the distance adjuster.
Further, the driving belt 40 is an elastic synchronous belt, the driven wheel 210 and the driving wheel 310 are synchronous pulleys, and the pitch diameter of the driven wheel 210 is smaller than that of the driving wheel 310, so that the rotation speed of the driven wheel 210 is higher than that of the driving wheel 310, and the nut installation efficiency is improved.
In one embodiment, the distance adjuster comprises: a connecting member 510, wherein a mounting groove 511 is formed on a side of the connecting member facing away from the mounting end, and the driving wheel 310 is disposed in the mounting groove 511; a threaded column 512 is arranged on one side of the connecting piece 510 facing the mounting end; the adjusting flower wheel 520 is provided with a central hole, and the adjusting flower wheel 520 is in threaded connection with the threaded column 512 so as to adjust the distance between the driving end and the mounting end under the rotation action of the adjusting flower wheel 520. In this embodiment, the inner side of the central hole of the adjusting flower wheel 520 is provided with an internal thread, and by rotating the adjusting flower wheel 520, since the position of the adjusting flower wheel 520 is unchanged relative to the handle body 10, the connecting piece 510 moves in a direction approaching to the mounting end or in a direction moving away from the mounting end under the rotation action of the adjusting flower wheel 520, and the specific requirement depends on the rotation direction of the adjusting flower wheel 520.
Specifically, the driving wheel 310 is disposed in the mounting groove 511, and when the tightness of the transmission member is loose, the connection member 510 drives the driving wheel 310 to be away from the driven wheel 210, so as to increase the distance between the driving wheel 310 and the driven wheel 210, thereby adjusting the tightness of the transmission member to a suitable tightness; when the tightness of the transmission member is tight, the connection member 510 drives the driving wheel 310 to approach the driven wheel 210, so as to reduce the distance between the driving wheel 310 and the driven wheel 210, and thereby adjust the tightness of the transmission member to a suitable tightness.
Further, the mounting groove 511 is a U-shaped groove, and a notch direction of the U-shaped groove is opposite to the mounting end; the driving wheel 310 is disposed in the U-shaped groove and contacts with the U-shaped groove under the elastic action of the driving belt 40. In this embodiment, when the tightness of the transmission member is tight, the connection member 510 moves in a direction approaching the driven wheel 210, the distance between the driving wheel 310 and the driven wheel 210 becomes smaller, and the driving wheel 310 moves in a direction of the driven wheel 210 under the elastic action of the transmission belt 40 until the driving wheel 310 contacts the U-shaped groove.
Further, the handle body 10 is provided with an adjusting notch 110, the adjusting notch 110 is disposed corresponding to the adjusting spline 520, so as to ensure that the position of the adjusting spline 520 is unchanged relative to the handle body 10, so as to realize the movement distance adjustment of the connecting piece 510 under the action of screw rotation.
In one embodiment, the distance adjuster further comprises a locking spline 530, which has the same structure as the adjusting spline, and is connected to the threaded post 512 and located at one side of the adjusting spline 520. The embodiment realizes the limit locking of the adjusting flower wheel 520 by arranging the locking flower wheel 530.
Further, an adjusting notch 110 is provided on the handle body 10, and the adjusting notch 110 is provided corresponding to the adjusting spline 520 and the locking spline 530.
Further, the handle body 10 is formed by combining two clamping plates with a plurality of screws, nuts and distance sleeves, the positions of the two clamping plates corresponding to the locking flower wheel and the adjusting flower wheel are provided with distance adjusting notches 110, and the positions of the locking flower wheel and the adjusting flower wheel are installed and positioned by utilizing the distance adjusting notches.
Because the distance between part of adjacent bolt heads is relatively short in the process of installing the nuts, in one embodiment, the handle body 10 is provided with a clearance hole 120, and the clearance hole 120 is positioned between the installation end and the driving end; when the nut is screwed into one bolt head, the clearance hole 120 is utilized to avoid clearance and abdication of the adjacent bolt head, so that interference condition is avoided.
In one embodiment, the rear side of the shank 10 is provided with a plurality of through holes so that a worker hangs the nut installation aid to a wall through the through holes.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. A nut installation aid for a confined space, comprising:
a handle body;
the mounting end is arranged at the front end of the handle body and is provided with a nut sleeve;
the driving end is arranged at the middle end or the rear end of the handle body;
the driving belt is in transmission connection with the mounting end and the driving end so as to drive the mounting end to synchronously rotate under the rotation action of the driving end;
and the distance adjuster is arranged on the handle body and is used for adjusting the distance between the driving end and the mounting end so as to adjust the tightness of the transmission belt.
2. The nut installation aid for a narrow space according to claim 1, wherein: the mounting end comprises a driven wheel which is detachably connected with the nut sleeve.
3. The nut installation aid for a narrow space according to claim 2, wherein: the driven wheel and the nut sleeve are fixed by magnetic attraction or clamping.
4. The nut installation aid for a narrow space according to claim 1, wherein: the driving end comprises a driving wheel and a driving knob detachably connected with the driving wheel, and the driving knob and the nut sleeve are arranged on the same side or different sides.
5. The nut installation aid for a narrow space according to claim 4, wherein: the distance adjuster includes:
the connecting piece is provided with a mounting groove at one side of the connecting piece, which is away from the mounting end, and the driving wheel is arranged in the mounting groove; a threaded column is arranged on one side of the connecting piece, which faces the mounting end;
and the adjusting spline is in threaded connection with the threaded column so as to adjust the distance between the driving end and the mounting end under the action of adjusting spline.
6. The nut installation aid for a narrow space according to claim 5, wherein: the mounting groove is a U-shaped groove, and the notch direction of the U-shaped groove is opposite to the mounting end;
the driving wheel is arranged in the U-shaped groove and contacts with the U-shaped groove in a pasting way under the elastic action of the driving belt.
7. The nut installation aid for a narrow space according to any one of claims 5 and 6, wherein: the distance adjuster further comprises a locking spline wheel which is in threaded connection with the threaded column and is located on one side of the adjusting spline wheel.
8. The nut installation aid for a narrow space according to claim 7, wherein: the handle body is provided with an adjusting notch, the adjusting notch corresponds to the adjusting flower wheel, or the adjusting notch corresponds to the adjusting flower wheel and the locking flower wheel.
9. The nut installation aid for a narrow space according to claim 4, wherein: the mounting end comprises a driven wheel, and the pitch diameter of the driven wheel is smaller than that of the driving wheel.
10. The nut installation aid for a narrow space according to claim 1, wherein: the handle body is provided with a clearance hole, and the clearance hole is positioned between the mounting end and the driving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366529.6U CN219768159U (en) | 2023-05-31 | 2023-05-31 | Nut installation auxiliary tool for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366529.6U CN219768159U (en) | 2023-05-31 | 2023-05-31 | Nut installation auxiliary tool for narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768159U true CN219768159U (en) | 2023-09-29 |
Family
ID=88133390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321366529.6U Active CN219768159U (en) | 2023-05-31 | 2023-05-31 | Nut installation auxiliary tool for narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768159U (en) |
-
2023
- 2023-05-31 CN CN202321366529.6U patent/CN219768159U/en active Active
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