CN219823505U - Hand winch - Google Patents
Hand winch Download PDFInfo
- Publication number
- CN219823505U CN219823505U CN202320732312.6U CN202320732312U CN219823505U CN 219823505 U CN219823505 U CN 219823505U CN 202320732312 U CN202320732312 U CN 202320732312U CN 219823505 U CN219823505 U CN 219823505U
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- gear
- connecting gear
- rotating shaft
- handle
- main handle
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000002633 protecting effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a hand winch, which comprises: a base comprising two side plates; the transmission mechanism comprises a first rotating shaft, a second rotating shaft, a driving gear and a driven gear, wherein the first transmission shaft and the second rotating shaft are arranged at intervals and connected between the two side plates, the driving gear and the driven gear are respectively arranged on the first rotating shaft and the second rotating shaft, and the driving gear is in meshed connection with the transmission gear; and the operating mechanism is arranged on the outer side of one side plate and comprises a main handle, an auxiliary handle, a first connecting gear and a second connecting gear, the first connecting gear is fixedly connected to the driving gear, the main handle is detachably connected to the driving gear, and the auxiliary handle and the second connecting gear are connected to the outer side wall of the side plate. The utility model is provided with the main handle and the auxiliary handle, the main handle is used for conventional use, and the auxiliary handle is applied to a narrow field so as to meet the use requirements of multiple scenes, thereby greatly improving the practicability.
Description
Technical Field
The utility model relates to the technical field of winches, in particular to a hand winch.
Background
The winch is a machine tool which rotates a vertically arranged winding drum by manpower or mechanical power and horizontally winds a flexible member (a steel wire rope and a chain) to complete traction. Winches are divided into manual winches and electric winches, and are commonly used for carrying work and ship terminals.
Taking manual capstan as an example, the existing manual capstan generally comprises a U-shaped base, a driving shaft and a driven shaft which are arranged between the U-shaped bases in a penetrating way at intervals, two ends of the driving shaft and two ends of the driven shaft are respectively arranged on ears of the U-shaped base through bearings, one end of the driving shaft is fixedly provided with a driving gear, the other end of the driven shaft is fixedly provided with a driven gear, the driving gear is meshed with the driven gear in an assembling state, and any end of the driving shaft is further provided with a handle.
Whereas existing manual winches are often equipped with a large handle, when the winch is placed on an application site such as a table, it is often necessary to reserve sufficient space for the handle, so that a relatively small site cannot meet the use requirements.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the hand winch which is provided with the main handle and the auxiliary handle, wherein the main handle is used for conventional use, and the auxiliary handle is applied to a narrow field so as to meet the use requirements of multiple scenes, and the practicability is greatly improved.
To achieve the above object, the present utility model provides a hand winch comprising: a base comprising two side plates; the transmission mechanism comprises a first rotating shaft, a second rotating shaft, a driving gear and a driven gear, wherein the first rotating shaft and the second rotating shaft are arranged at intervals and are connected between the two side plates, the driving gear and the driven gear are respectively arranged on the first rotating shaft and the second rotating shaft, and the driving gear is meshed with the driven gear; and the operating mechanism is arranged on the outer side of the side plate and comprises a main handle, an auxiliary handle, a first connecting gear and a second connecting gear, the first connecting gear is fixedly connected to the driving gear, the main handle is detachably connected to the driving gear, the auxiliary handle and the second connecting gear are connected to the outer side wall of the side plate, when the main handle is connected to the driving gear, the first connecting gear is separated from the second connecting gear, and when the main handle is detached, the first connecting gear is meshed with the second connecting gear.
Compared with the prior art, the utility model has the beneficial effects that: the main handle and the auxiliary handle are jointly installed on the side plate, under the normal state, the main handle rotates and can drive the driving gear to rotate through the first rotating shaft, so that the winch is operated, when the winch is applied to a narrow scene, the winch cannot be applicable in a narrow space due to the large rotating radius of the main handle, the main handle is required to be detached, after the main handle is detached, the first connecting gear is meshed with the second connecting gear, and at the moment, the operation of the winch is realized through rotating the auxiliary handle, so that the winch can be normally used in places with different sizes, and the practicability is improved.
As an improvement, the operating mechanism further comprises a spring, a baffle plate and a locking nut, wherein one side of the baffle plate is abutted against the first connecting gear, and the other side of the baffle plate is connected with the side plate through the spring; the first connecting gear is connected to the first rotating shaft through a spline, the end part of the main handle is fixed on the first connecting gear through the lock nut, the first connecting gear is separated from the second connecting gear through compression springs, through the improvement, the first connecting gear is connected to the first rotating shaft through the spline, namely, the first connecting gear can slide on the first rotating shaft and is matched with the baffle and the springs, when the main handle is installed on the first rotating shaft through the lock nut compression springs, the first connecting gear is connected and separated from the second connecting gear, and when the main handle is detached, the first connecting gear is automatically connected with the second connecting gear under the action of the springs, so that the auxiliary handle is connected, and the operation of the winch can be realized through the auxiliary handle.
As an improvement, the operating mechanism further comprises a protective cover and a connecting sleeve, the protective cover covers the first connecting gear, a notch is formed in the protective cover, and the first connecting gear is meshed with the second connecting gear through the notch; the connecting sleeve is slidably connected to the first rotating shaft, the connecting sleeve is arranged between the protecting cover and the end part of the handle, the protecting cover can protect the first connecting gear from being influenced by the outside through the improvement, the first connecting gear can be effectively protected, the first connecting gear can be meshed with the second connecting gear through the notch, the connection of the first connecting gear and the second connecting gear is guaranteed on the premise that the protecting effect of the protecting cover is not influenced by the notch, the connecting sleeve can serve as a connecting piece to realize connection of the handle and the first connecting gear, and real-time force transmission is realized.
As an improvement, the main handle comprises a connecting part, a through hole for the first rotating shaft to pass through is formed in the connecting part, the lock nut is suitable for being screwed, the connecting sleeve is in tight fit with the cover body through the connecting part, through the improvement, the connecting part not only can facilitate the handle to be connected with the first rotating shaft in a matched manner with the lock nut, but also can realize a better assembly effect with the cover body in a matched manner, so that the protection effect of the protection cover body is achieved.
As an improvement, the operating mechanism further comprises a base fixed on the side plate, wherein the base is suitable for accommodating the spring and the baffle; the limiting groove is formed in the base, the protective cover is suitable for being inserted into the limiting groove and wrapping the first connecting gear, the base limits the first connecting gear to move towards the side plate direction, through the improvement, the limiting groove in the base can limit the moving direction of the protective cover to play a role in positioning, on the other hand, the base can accommodate the spring and the baffle to be hidden, a modification effect of appearance is achieved, and meanwhile the spring and the baffle can be prevented from being exposed and damaged easily.
By the improvement, when the winch can be placed smoothly, the auxiliary handle can be used normally, so that normal operation of the winch is realized in a narrow space.
As an improvement, the holding parts of the main handle and the auxiliary handle are composed of two round tables with the bottoms overlapped, and by the improvement, the holding part of the palm is provided with two holding stress points, so that the palm is not easy to slip.
The improved hook also comprises a hook and a fixed shaft, wherein the fixed shaft is arranged between the two side plates, the hook is suitable for being fixed on the fixed shaft, and the improvement is convenient for fixing the hook, so that a pull rope is fixed.
Drawings
FIG. 1 is a perspective view of the overall mechanism of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1A;
FIG. 3 is a schematic view of an exploded view of the operating mechanism of the present utility model;
FIG. 4 is a schematic perspective view of a part of the operating mechanism of the present utility model;
fig. 5 is a schematic perspective view of a base and a first connecting gear in the present utility model.
In the figure: 1. a base; 11. a side plate; 12. fixing the shaft; 13. a hook; 2. a transmission mechanism; 21. a first rotation shaft; 22. a second rotation shaft; 23. a drive gear; 24. a driven gear; 3. an operating mechanism; 311. a main handle; 3111. a connection part; 312. an auxiliary handle; 321. a first connecting gear; 322. a second connecting gear; 33. a spring; 34. a baffle; 35. a lock nut; 36. a protective cover; 37. a base; 371. a limit groove; 38. and (5) connecting the sleeve.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., the azimuth and the positional relationship are based on the azimuth or the positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do 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 should not be construed as limiting the specific protection scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model provides a hand winch, which is shown in figures 1-5 and comprises a base 371, a transmission mechanism 2, an operating mechanism 3 and the base 371. The base 371 includes two side plates 11; the transmission mechanism 2 comprises a first rotating shaft 21, a second rotating shaft 22, a driving gear 23 and a driven gear 24, wherein the first rotating shaft 21 and the second rotating shaft 22 are arranged at intervals and connected between the two side plates 11, the driving gear 23 and the driven gear 24 are respectively arranged on the first rotating shaft 21 and the second rotating shaft 22, and the driving gear 23 is meshed with the driven gear 24. The operating mechanism 3 is arranged on the outer side of one side plate 11, the operating mechanism 3 comprises a main handle 311, an auxiliary handle 312, a first connecting gear 321 and a second connecting gear 322, the first connecting gear 321 is fixedly connected to the driving gear 23, the main handle 311 is detachably connected to the driving gear 23, the auxiliary handle 312 and the second connecting gear 322 are connected to the outer side wall of the side plate 11, when the main handle 311 is connected to the driving gear 23, the first connecting gear 321 is separated from the second connecting gear 322, and when the main handle 311 is detached, the first connecting gear 321 is in meshed connection with the second connecting gear 322.
Specifically, as shown in fig. 2 and 5, the operating mechanism 3 further includes a spring 33, a baffle 34, and a lock nut 35, one side of the baffle 34 abuts against the first connecting gear 321, and the other side is connected with the side plate 11 through the spring 33; the first connection gear 321 is spline-connected to the first rotation shaft 21, the lock nut 35 fixes the end of the main handle 311 to the first connection gear 321, and the compression spring 33 separates the first connection gear 321 from the second connection gear 322.
It should be noted that, in a normal state, that is, when the main handle 311 is normally mounted on the first rotating shaft 21, the first connecting gear 321 and the second connecting gear 322 are arranged in a staggered manner, and when the main handle 311 is detached, the first connecting gear 321 moves to be engaged with the second connecting gear 322 under the action of the spring 33. When there is a jam or the like, the engagement connection of the two can be achieved by slightly turning the sub-handle 312.
Specifically, as shown in fig. 3-4, the operating mechanism 3 further includes a protecting cover 36 and a connecting sleeve 38, the protecting cover 36 covers the first connecting gear 321, a notch is formed on the protecting cover 36, and the first connecting gear 321 is meshed with the second connecting gear 322 through the notch; the connecting sleeve 38 is slidably connected to the first transmission shaft 21, and the connecting sleeve 38 is disposed between the protecting cover 36 and the end of the handle.
Specifically, as shown in fig. 3, the main handle 311 includes a connection portion 3111, a through hole is formed in the connection portion 3111 for passing the first rotation shaft 21, the lock nut 35 is adapted to be screwed, and the connection sleeve 38 is tightly fitted with the protection cover 36 via the connection portion 3111.
In particular, as shown in fig. 4 to 5, the operating mechanism 3 further comprises a base 371 fixed to the side plate 11, the base 371 being adapted to house the spring 33 and the shutter 34; the base 371 is provided with a limit groove 371, the protective cover 36 is suitable for being inserted into the limit groove 371 and covering the first connecting gear 321, and the base 371 limits the first connecting gear 321 to move towards the side plate 11.
It should be noted that, the limiting groove 371 on the base 371 limits the sliding movement of the protection cover 36 along the axial direction, and the base 371 limits the limiting movement position of the first connecting gear 321.
Preferably, the length of the sub-handle 312 is equal to or less than the radius of the second connecting gear 322.
Preferably, the holding parts of the main handle 311 and the auxiliary handle 312 are composed of two truncated cones with coincident bottoms.
Specifically, the hanger also comprises a hanger 13 and a fixed shaft 12, wherein the fixed shaft 12 is arranged between the two side plates 11, and the hanger 13 is suitable for being fixed on the fixed shaft 12.
The working principle of the utility model is as follows: normally, as shown in fig. 1, the main handle 311 and the auxiliary handle 312 are mounted on the base 371, and the second connecting gear 322 and the first connecting gear 321 are separated from the auxiliary handle 312, so that the rotating auxiliary handle 312 is ineffective, and most winch operations can be performed by rotating the main handle 311.
When the main handle 311 cannot be rotated in a narrow space in an application scene, the locking nut 35 is unscrewed by a tool, under the action force of the spring 33, the spring 33 forces the baffle 34 to drive the first connecting gear 321 to be meshed with the second connecting gear 322, and the spring 33 has weak elasticity and a protective cover to limit, so that ejection is not needed, and in this state, normal operation of the winch can be completed by rotating the auxiliary handle 312.
The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A hand winch, comprising:
a base comprising two side plates;
the transmission mechanism comprises a first rotating shaft, a second rotating shaft, a driving gear and a driven gear, wherein the first rotating shaft and the second rotating shaft are arranged at intervals and are connected between the two side plates, the driving gear and the driven gear are respectively arranged on the first rotating shaft and the second rotating shaft, and the driving gear is meshed with the driven gear; and
the operating mechanism is arranged on the outer side of the side plate and comprises a main handle, an auxiliary handle, a first connecting gear and a second connecting gear, the first connecting gear is fixedly connected to the driving gear, the main handle is detachably connected to the driving gear, the auxiliary handle and the second connecting gear are connected to the outer side wall of the side plate, when the main handle is connected to the driving gear, the first connecting gear is separated from the second connecting gear, and when the main handle is detached, the first connecting gear is meshed with the second connecting gear.
2. A hand winch according to claim 1, wherein: the operating mechanism further comprises a spring, a baffle and a lock nut, one side of the baffle is abutted against the first connecting gear, and the other side of the baffle is connected with the side plate through the spring;
the first connecting gear is connected to the first rotating shaft through a spline, the end part of the main handle is fixed on the first connecting gear through the lock nut, and the first connecting gear is separated from the second connecting gear through the compression spring.
3. A hand winch according to claim 2, wherein: the operating mechanism further comprises a protective cover and a connecting sleeve, the protective cover covers the first connecting gear, a notch is formed in the protective cover, and the first connecting gear is meshed with the second connecting gear through the notch;
the connecting sleeve is connected to the first rotating shaft in a sliding mode, and the connecting sleeve is arranged between the protecting cover and the end portion of the handle.
4. A hand winch according to claim 3, wherein: the main handle comprises a connecting part, a through hole for the first rotating shaft to pass through is formed in the connecting part, the lock nut is suitable for being screwed, and the connecting sleeve is in tight fit with the protective cover through the connecting part.
5. A hand winch according to claim 3, wherein: the operating mechanism further comprises a base fixed on the side plate, and the base is internally suitable for accommodating the spring and the baffle;
the base is provided with a limit groove, the protective cover is suitable for being inserted into the limit groove and wrapping the first connecting gear, and the base limits the first connecting gear to move towards the side plate.
6. A hand winch according to any one of claims 1-5, characterized in that: the length of the auxiliary handle is smaller than or equal to the radius of the second connecting gear.
7. A hand winch according to claim 1, wherein: the holding parts of the main handle and the auxiliary handle are composed of two round tables with overlapped bottoms.
8. A hand winch according to claim 1, wherein: the hanger also comprises a hanger and a fixed shaft, wherein the fixed shaft is arranged between the two side plates, and the hanger is suitable for being fixed on the fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320732312.6U CN219823505U (en) | 2023-04-03 | 2023-04-03 | Hand winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320732312.6U CN219823505U (en) | 2023-04-03 | 2023-04-03 | Hand winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823505U true CN219823505U (en) | 2023-10-13 |
Family
ID=88275529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320732312.6U Active CN219823505U (en) | 2023-04-03 | 2023-04-03 | Hand winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823505U (en) |
-
2023
- 2023-04-03 CN CN202320732312.6U patent/CN219823505U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |