JPH082886A - Simplified jack - Google Patents

Abstract

PURPOSE:To provide a simplified jack, by which, a jack main body can be set or removed on and from a designated position. of a car body or the like without making the clothes of a worker dirty. CONSTITUTION:A simplified jack is so constructed that a removable bar-like handle is connected to a jack main body 1 and the bar-like handle is operated to conduct elevating operation. A cylinder 8 in which the end part of the bar- like handle can be inserted and removed is disposed on the side part of the jack main body 1, and a notch groove 9 comprising a longitudinal groove 9a and a lateral groove 9b is formed on the cylinder 8. Thus, a projection which can be locked in the notch groove 9 is formed on the end part of the bar-like handle, the end part of the bar-like handle is inserted in the cylinder 8 disposed on the side of the jack main body 1, and the notch groove 9 formed on the cylinder 8 and the projection formed on the end part of the bar-like handle are locked, whereby the jack main body 1 is suitably moved to a desired position by the bar-like handle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple jack, and more particularly to a simple jack which is connected to a jack body with a rod-shaped handle of a predetermined length and which is operated to move up and down. is there.

[0002]

2. Description of the Related Art Hitherto, various kinds of so-called portable jacks have been used for exchanging tires of automobiles and mounting chains. These simple jacks usually consist of a jack body and a rod-shaped handle.The jack body is set at a predetermined position on the vehicle body, the rod-shaped handle is connected to this jack body, and the rod-shaped handle is operated appropriately. Move up and down.

[0003]

However, as described above, in the conventional simple jack, when setting or removing the jack body at a predetermined position of the vehicle body or the like, the jack body is set directly by hand. In order to remove or remove the clothes, the worker's clothes may come into contact with the vehicle body and the clothes may be soiled.

In particular, when mounting a chain on a light vehicle, it is necessary to insert the main body of the jack up to the vicinity of the center of the vehicle body, and when this is carried out outdoors, the ground is often in a snowy state. However, the worker had to do the work with his knees or the like attached to the ground, even though he was concerned about the dirt, which was a very troublesome work.

Therefore, the present invention has been made in order to solve such a problem, and it is easy to set or remove the jack main body at a predetermined position of the vehicle body or the like without soiling the worker's clothes or the like. It is an object to provide a type jack.

[0006]

A simple jack according to the invention of claim 1 is a simple jack in which a detachable rod-shaped handle is connected to a jack body, and the rod-shaped handle is operated to perform a lifting operation. A cylindrical body into which the end of the rod-shaped handle can be inserted and removed is arranged on a side portion of the jack body, and a cutout groove having a predetermined shape is formed in the cylindrical body, and an end of the rod-shaped handle is formed. A protrusion capable of engaging with the cutout groove is formed. Here, the jack main body includes, for example, a so-called pantograph-type jack and a dharma jack, and the cutout groove of the cylindrical body includes a vertical groove and a horizontal groove.

According to a second aspect of the present invention, there is provided a simple jack in which a detachable rod-like handle is connected to a connecting cylinder portion of the jack body, and the rod-like handle is operated to perform an elevating operation. The connecting tubular portion is formed with a cutout groove having a predetermined shape, and the end portion of the rod-shaped handle is formed with a projection capable of engaging with the cutout groove. Here, the jack main body is, for example, a hydraulic type jack, and the notch groove of the connecting cylinder portion includes a vertical groove and a horizontal groove.

[0008]

According to the simple jack of the invention of claim 1, the end portion of the rod-shaped handle is inserted into the tubular body provided on the side of the jack body, and the notch groove of a predetermined shape is formed in the tubular body. And the protrusion formed on the end of the rod-shaped handle can be locked, and the jack main body can be appropriately moved to a desired position by the rod-shaped handle.

According to the simple jack of the invention of claim 2, the rod-like handle is inserted into the connecting cylinder portion of the jack body,
The jack groove can be moved to a desired position by the rod-shaped handle by engaging the notch groove of the predetermined shape formed in the connecting cylinder and the protrusion formed on the end of the rod-shaped handle.

[0010]

Embodiments of the present invention will be described below.

<First Embodiment> FIG. 1 is a side view showing a jack body of a simple jack according to a first embodiment of the present invention, and FIG. 2 is a plan view showing a jack body of the simple jack of FIG. FIG. 7 is a side view showing a rod-shaped handle of the simple jack according to the first embodiment of the present invention.

As shown in FIGS. 1 and 2, the jack body 1 of this simple type jack is a so-called pantograph type jack, and the arm members 3 assembled to the pedestal 2 respectively.
By appropriately rotating the shaft 5 mounted between the fulcrum shafts 4a, 4b of a, 3b, 3c, 3d, the arm members 3a, 3b, 3c, 3d are moved, and the support portion 6 is moved up and down. .

A connecting portion 7 for connecting the rod-shaped handle 10 shown in FIG. 7 is arranged at the end of the shaft 5. A connecting groove 7a and a connecting hole 7b are formed in the connecting portion 7, and projections 12a and 12b formed on the tip of the rod body 11 of the rod-shaped handle 10 are formed in the connecting groove 7a and the connecting hole 7b.
The rod-shaped handle 10 is connected to the jack body 1 by locking the. Then, in this connected state, the crank portion 13 at the other end of the rod-shaped handle 10 is rotated to axially rotate the rod body 11, thereby axially rotating the shaft 5. Since a screw is engraved around the shaft 5 and this screw is screwed to the fulcrum shaft 4b, the distance between the fulcrum shafts 4a and 4b changes due to the rotation of the shaft 5, and the screw is supported. The height position of the part 6 changes. In this way, the jack main body 1 moves up and down as shown by the chain double-dashed line in FIG.

Further, a tubular body 8 made of a steel pipe or the like is disposed on the side portion of the jack body 1 at an angle as shown in FIG. 1 by welding or the like, and a cutout groove 9 is formed in the tubular body 8. Has been done. The notch groove 9 includes a vertical groove 9a and a horizontal groove 9b, the vertical groove 9a is formed along the length direction of the cylindrical body 8, and the horizontal groove 9b is formed along the circumferential direction of the cylindrical body 8. The notch groove 9 is wider than the protrusions 12a and 12b of the rod-shaped handle 10, and the protrusions 12a and 12b at the ends of the rod 11 are inserted along the vertical groove 9a of the tubular body 8 to allow the rod-shaped handle 10 to move. The tip can be inserted into the cylindrical body 8. When the protrusions 12a and 12b are inserted all the way into the vertical groove 9a,
By pivoting the rod-shaped handle 10, the protrusions 12a and 12b of the rod-shaped handle 10 move along the lateral groove 9b, and the rod-shaped handle 10 can be locked to the tubular body 8. On the other hand, in order to release this locked state, the rod-shaped handle 10 may be rotated in the reverse order of the above and then pulled out.

Here, using this simple jack,
A case where tires are replaced or a tire chain is attached and detached will be described. FIG. 10 is an explanatory diagram showing a usage state of the simple jack according to the first embodiment of the present invention.

As shown in FIG. 10, first, the tip of the rod body 11 of the rod-shaped handle 10 is inserted into the tubular body 8 of the jack body 1, and the notch groove 9 and the projections 12a and 12b are engaged with each other, and the rod-shaped handle 10 is inserted. Hold the jack body 1 and push it into a predetermined position on the vehicle body. Next, the rod-shaped handle 10 is pulled out from the tubular body 8, and this time, the protrusions 12a, 12 of the rod-shaped handle 10 are removed.
b in the connecting groove 7a and the connecting hole 7b of the connecting portion 7,
By rotating the rod-shaped handle 10 and raising the support portion 6, the vehicle body can be pushed upward. In this state, tires are replaced and tire chains are attached and detached. After that, the rod-shaped handle 10 is pivoted in the opposite direction and the support portion 6 is lowered, whereby the vehicle body can be returned to the original state. Then, the protrusions 12a, 1 of the rod-shaped handle 10
2b and the connection state between the connection groove 7a and the connection hole 7b of the connection portion 7 are released, the tip of the rod body 11 of the rod-shaped handle 10 is again inserted into the cylinder body 8 of the jack body 1, and the cutout groove 9 and the projection are formed. 1
The jack main body 1 is pulled out from the bottom of the vehicle body by holding the rod-shaped handle 10 by engaging with 2a and 12b. That is, the operator can set and remove the jack body 1 in a squatting state as shown in FIG. 10, and does not need to slip under the vehicle body.

As described above, in the simple jack of this embodiment, the detachable rod-shaped handle 10 is connected to the jack body 1, and the rod-shaped handle 10 is operated to move up and down. A cylindrical body 8 into which the end of the rod-shaped handle 10 can be inserted and removed is disposed on the side of the cylindrical body 8.
A notch groove 9 composed of a vertical groove 9a and a lateral groove 9b is formed in the end portion of the bar-shaped handle 10, and the notch groove 9 is provided at the end of the bar-shaped handle 10.
Projections 12a and 12b that can be locked with are formed.

Therefore, the end portion of the rod-shaped handle 10 is inserted into the tubular body 8 arranged on the side portion of the jack body 1, and the notch groove 9 formed in the tubular body 8 and the end portion of the rod-shaped handle 10 are formed. Since the jack body 1 can be appropriately moved to a desired position by the rod-shaped handle 10 by locking the projections 12a and 12b, the jack body 1 can be directly set and removed by hand as in the conventional case. No need.
As a result, the worker can set or remove the jack body 1 at a predetermined position on the vehicle body or the like without touching the knees or the like with the ground or touching the vehicle body or the like with clothes, so that the worker's clothes or the like are not soiled. Absent. In particular, even when the chain is attached to an automobile or the like outdoors when the ground is snowy, it is not necessary to attach a knee or the like to the ground, and the jack body 1 can be easily set or removed, which is extremely workable.

The rod-shaped handle of the simple jack of the first embodiment is not necessarily limited to the rod-shaped handle 10 shown in FIG. For example, the rod-shaped handle 10 as shown in FIG. 11 may be used. FIG. 11 is an exploded perspective view showing another rod-shaped handle of the simple jack according to the first embodiment of the present invention.

The bar-shaped handle 10 shown in FIG.
A detachable scratching portion 16 is provided at the tip of the first crank portion 13. That is, by screwing the screw 14 formed on the tip of the crank portion 13 of the rod 11 and the screw 15a formed on the handle portion 15 integrated with the scratching portion 16, the rod-shaped handle 10 is provided. The handle portion 15 and the scratching portion 16 can be assembled to the crank portion 13 of the. Further, the screw 14 formed at the tip of the crank portion 13 of the rod 11 and the screw 15a formed in the handle portion 15 integrated with the scratching portion 16 are unscrewed to remove the rod-shaped handle 1
The handle portion 15 and the scratch portion 16 can be separated from the crank portion 13 of 0.

If such a rod-shaped handle 10 is used, the handle 15 and the scratching portion 16 are assembled to the crank portion 13 of the rod-shaped handle 10, and the rod-shaped handle 10 is previously set before the jack body 1 is set. 10 protrusions 12a, 12b
By holding the tip on the side, the scratching portion 16 can make the ground at the set position of the jack body 1 flat. Therefore, the jack body 1 can be set very easily and stably.

When the simple jack is to be stored in a predetermined storage place, the handle 15 and the scratching portion 16 are separated from the crank portion 13 of the rod-shaped handle 10, and the jack body is in the state shown in FIG. 1 and the scratching portion 16 can be stored. FIG. 12 is a side view showing a state in which the jack body of the simple jack according to the first embodiment of the present invention and the scratched portion of the rod-shaped handle of FIG. 11 are stored.

Usually, such a simple jack is stored in a predetermined place such as in the trunk of the vehicle body. At this time,
The jack body 1 and the rod-shaped handle 10 are housed in different positions. However, as in the rod-shaped handle 10 in FIG. 11, the rod body 11, the handle portion 15 and the scratching portion 16 are of a split type, so that the rod-shaped handle 1 together with the jack body 1 is provided.
The scratch portion 16 and the handle portion 0 of 0 can be integrally housed. That is, as shown in FIG. 12, the jack body 1 is housed with the pedestal 2 and the supporting portion 6 fixed by the holding portions 17 and 18, and at this time, the scratching portion 16 is held with the supporting portion 6. By sandwiching it with the portion 17, the scratching portion 16 and the handle portion 15 can be housed together with the jack body 1.

Further, a rod-shaped handle 10 as shown in FIG. 13 may be used as another rod-shaped handle of this type of simple jack. FIG. 13 is a side view showing a main part of still another rod-shaped handle of the simple jack according to the first embodiment of the present invention.

The rod-shaped handle 10 shown in FIG. 13 is for raising and lowering the jack body 1 by locking the hook 19 in the connecting hole 7b of the connecting portion 7 of the jack body 1 and pivoting the rod body 11. . Moreover, this rod-shaped handle 10
Of the crank portion 13, the tip of the crank portion 13 is slightly extended as shown by the chain double-dashed line in FIG. 13, and the protrusion 20 is provided on the extended portion.

Therefore, when the jack main body 1 is installed using the rod-shaped handle 10, the tip of the rod 11 of the rod-shaped handle 10 on the crank portion 13 side is inserted into the tubular body 8 of the jack main body 1, The notch groove 9 and the protrusion 20 are engaged with each other, and the jack body 1 is pushed to a predetermined position on the vehicle body by the hook 19 side of the bar-shaped handle 10 and set.
When the jack body 1 is pulled out from the bottom of the vehicle body, the projection 20 of the rod-shaped handle 10 is similarly locked in the notch groove 9 of the tubular body 8 of the jack body 1 and the hook 19 of the rod-shaped handle 10 is pulled.
The jack body 1 can be pulled out by holding the side. When the jack main body 1 is moved up and down, the hook 19 of the rod-shaped handle 10 is locked in the connecting hole 7b of the connecting portion 7, the crank portion 13 of the rod-shaped handle 10 is held, and the rod 11 is rotated. Thus, the support part 6 is moved up and down.
Therefore, even if the rod-shaped handle 10 as shown in FIG. 13 is used,
It is possible to obtain the same operational effect as when the rod-shaped handle 10 of FIG. 7 is used.

<Second Embodiment> FIG. 3 is a side view showing a jack body of a simple jack according to a second embodiment of the present invention, and FIG. 4 is a plan view showing the jack body of the simple jack of FIG. FIG. 8 is a perspective view showing a rod-shaped handle of a simple jack according to a second embodiment of the present invention.

As shown in FIGS. 3 and 4, the jack body 21 of this simple jack is a so-called hydraulic jack, and the connecting cylinder portion 27 arranged on the base 2 is moved up and down as shown by a chain double-dashed line. By moving the hydraulic mechanism 23 up and down, the lifting portion 24 of the hydraulic mechanism 23 is raised, and the lifted body such as the vehicle body is raised by the support portion 25 to a desired height.

A rod-shaped handle 30 shown in FIG. 8 can be connected to the connecting cylinder portion 27, and a cutout groove 28 is formed in the connecting cylinder portion 27. This notch groove 28 is a vertical groove 28.
a and a horizontal groove 28b, and the vertical groove 28a is a connecting tubular portion 27.
Is formed along the length direction of the connecting groove 2b.
It is formed along the circumferential direction of 7. This notch groove 28 is wider than the protrusion 32 of the rod-shaped handle 30,
By inserting the protrusion 32 at the one end along the vertical groove 28 a of the connecting cylinder portion 27, the tip of the rod-shaped handle 30 can be inserted into the connecting cylinder portion 27. In this way, the other end of the rod-shaped handle 30 connected to the connecting cylinder portion 27 is vertically moved to move the connecting cylinder portion 27, whereby the elevating portion 24 and the support portion 25 of the hydraulic mechanism 23 are raised, and the jack main body. 21 performs a lifting operation as indicated by the chain double-dashed line in FIG.
On the other hand, in order to lower the elevating part 24 and the supporting part 25 of the hydraulic mechanism 23, the notch 34 formed at the tip of the pipe 31 of the rod-shaped handle 30 is locked to the air extraction 26, and the rod-shaped handle 30 is rotated. The air extraction 26 may be rotated.

Further, since the vertical groove 28a is continuously formed at the end of the vertical groove 28a of the connecting cylinder portion 27, when the projection 32 of the pipe 31 is inserted into the vertical groove 28a, the rod-shaped handle is formed. By pivoting the shaft 30, the protrusion 32 of the rod-shaped handle 30 moves along the lateral groove 28b, and the rod-shaped handle 30 can be locked to the connecting tubular portion 27. On the other hand, in order to release the locked state, the rod-shaped handle 30 may be rotated in the reverse order of the above and then pulled out.

Here, using this simple jack,
A case where tires are replaced or a tire chain is attached and detached will be described. In this case as well, the jack body 21 is set in the vehicle body or removed in the same manner as in FIG. 10 described above.

First, the tip of the pipe 31 of the rod-shaped handle 30 is inserted into the connecting cylinder portion 27 of the jack main body 21, the notch groove 28 and the projection 32 are locked, and the jack-shaped main body 21 is held by the rod-shaped handle 30. Push it in place. Next, by moving the other end of the rod-shaped handle 30 up and down and raising the support portion 25, the vehicle body can be pushed up. In this state, tires are replaced and tire chains are attached and detached. Thereafter, the rod-shaped handle 30 is pulled out from the connecting cylinder portion 27, the notch 34 at the tip of the pipe 31 of the rod-shaped handle 30 is locked to the air extraction 26, and the air extraction 2
By rotating 6 and lowering the support portion 25,
The car body can be returned to its original state. Then, the locked state between the tip of the pipe 31 of the rod-shaped handle 30 and the air extraction 26 is released, the tip of the pipe 31 of the rod-shaped handle 30 is again inserted into the connecting cylinder portion 27 of the jack body 21, and the notch groove 28 is formed. The jack main body 21 is pulled out from the bottom of the vehicle body by engaging with the projection 32 and holding the rod-shaped handle 30.

In this embodiment, since the scratching portion 33 is formed on the other end of the pipe 31 of the rod-shaped handle 30, the protrusion 32 side of the rod-shaped handle 30 is previously set before the jack body 21 is set. It is possible to make the ground at the set position of the jack body 21 flat by the scratching portion 33 by holding the tip of the.

As described above, in the simple jack of this embodiment, the removable rod-shaped handle 30 is connected to the connecting cylinder portion 27 of the jack body 21, and the rod-shaped handle 30 is operated to perform the lifting operation. , This jack body 21
The connecting tubular portion 27 has a notch groove 28 including a vertical groove 28a and a horizontal groove 28b, and the rod-shaped handle 3
A protrusion 32 that can be engaged with the notch groove 28 is formed at the end of 0.

Therefore, the end portion of the rod-shaped handle 30 is inserted into the connecting cylinder portion 27 of the jack body 21, and the connecting cylinder portion 27 is inserted.
Since the notch groove 28 formed in and the projection 32 formed at the end of the rod-shaped handle 30 can be locked and the jack main body 21 can be appropriately moved to a desired position by the rod-shaped handle 30, as in the conventional case. , It is not necessary to hold and set the jack body 21 directly by hand. As a result, the worker does not put his knees on the ground or touch the vehicle body with clothes, and the jack body 21 is placed at a predetermined position on the vehicle body.
Since the can be set and removed, the worker's clothes, etc. do not get dirty. In particular, even when the chain is attached to an automobile or the like outdoors when the ground is snowy, it is not necessary to attach a knee or the like to the ground, and the jack body 21 can be easily set or removed, which is extremely workable. Moreover, since the scratched portion 33 of the rod-shaped handle 30 can preliminarily flatten the ground at the set position of the jack body 21,
The jack body 21 can be set very easily and stably.

<Third Embodiment> In the first and second embodiments described above, the so-called pantograph type jack and the hydraulic type jack have been described. Here, the dharma jack will be described.

FIG. 5 is a side view showing the jack body of the simple jack of the third embodiment of the present invention, FIG. 6 is a plan view showing the jack body of the simple jack of FIG. 5, and FIG. 9 is the present invention. FIG. 8 is an exploded perspective view showing a rod-shaped handle of a simple jack that is a third embodiment of the present invention.

As shown in FIGS. 5 and 6, the jack body 41 of this simple jack is a so-called dharma jack, and the connecting portion 4 of the dharma-shaped body 43 arranged on the pedestal 42.
By rotating 6 as shown by the chain double-dashed line,
4 is raised, and the lifted body such as the vehicle body is raised by the support portion 45 to a desired height.

A connecting portion 46 for connecting the bar-shaped handle 50 shown in FIG. 9 is provided on the dharma-shaped main body 43. A connecting hole 46a is formed in the connecting portion 46, and the hook 52 formed at the tip of the rod body 51 of the rod-shaped handle 50 is locked in the connecting hole 46a, whereby the rod body 5 is formed.
1 is connected to the jack body 41. Then, in this connection state, the first connecting hole 56 or the first connecting hole 57 of the handle 55 is fitted to the connecting core 53 formed at the other end of the rod body 51, and the handle 55 is held by holding the grip portion 58. Is rotated to rotate the rod body 51, thereby rotating the connecting portion 46. The rotation of the connecting portion 46 changes the height positions of the elevating portion 44 and the supporting portion 45. In this way, the jack main body 41 performs the raising / lowering operation as shown by the chain double-dashed line in FIG.

Also, on the side of the jack body 41, as shown in FIG.
A tubular body 47 made of a steel pipe or the like is arranged by welding or the like at an angle as shown in FIG. 3, and a cutout groove 48 is formed in the tubular body 47. The notch groove 48 includes a vertical groove 48a and a horizontal groove 48b. The vertical groove 48a is formed along the length direction of the cylindrical body 47, and the horizontal groove 48b is formed along the circumferential direction of the cylindrical body 47. The notch groove 28 is wider than the protrusion 54 of the rod body 51 of the rod-shaped handle 50, and the protrusion 54 at the end portion of the rod body 51 is inserted along the vertical groove 48a of the cylindrical body 47 to allow the rod body 51 to be inserted. The tip of the can be inserted into the cylindrical body 47. When the protrusion 54 is inserted deep into the vertical groove 48a, by axially rotating the rod body 51, the protrusion 54 of the rod body 51 moves along the horizontal groove 48b, and the rod body 51 is moved to the cylindrical body 47.
Can be locked to. On the other hand, in order to release this locked state, rotate the rod body 51 in the reverse order of the above, and then
Just pull it out.

Now, using this simple jack,
A case where tires are replaced or a tire chain is attached and detached will be described. Also in this case, the jack body 41 is set in the vehicle body or removed in the same manner as in FIG. 10 described above.

First, the tip of the rod-shaped handle 50 on the side of the connecting core 53 of the rod body 51 is inserted into the cylindrical body 47 of the jack body 41, the notch groove 48 and the projection 54 are locked, and the hook 52 side of the rod body 51. Hold and push the jack body 41 to a predetermined position on the vehicle body. Next, the rod body 51 is pulled out from the cylinder body 47, this time, the hook 52 of the rod body 51 is locked in the connecting hole 46a of the connecting portion 46, and the first connecting of the handle 55 to the connecting core 53 of the rod body 51. Fit the hole 56 or the first connecting hole 57,
By rotating the handle 55 to rotate the rod body 51 and raise the elevating portion 44 and the supporting portion 45, the vehicle body can be pushed upward. In this state, tires are replaced and tire chains are attached and detached. After this, handle 5
The vehicle body can be returned to the original state by rotating 5 in the reverse direction, pivoting the rod body 51 in the reverse direction, and lowering the elevating part 44 and the support part 45. Then, the hook 52 of the rod body 51 of the rod-like handle 50 and the connection state of the connecting hole 46a of the connecting portion 46 are released, the handle 55 is removed, and the rod body 51 is connected to the tubular body 47 of the jack body 41 again. The tip on the side of the core 53 is inserted, the notch groove 48 and the projection 54 are locked, and the jack body 41 is pulled out from below the vehicle body while holding the hook 52 side of the rod body 51.

As described above, also in the simple type jack of this embodiment, the detachable rod-like handle 50 is connected to the jack body 41, and the rod-like handle 50 is operated to perform the lifting operation. A cylindrical body 47 into which the end of the rod body 51 of the rod-shaped handle 50 can be inserted and removed is disposed on the side of the cylindrical body 47, and a cutout groove 48 including a vertical groove 48a and a horizontal groove 48b is formed in the cylindrical body 47. A protrusion 54 that can be engaged with the notch groove 48 is formed at the end of the rod body 51 of the rod-shaped handle 50.

Therefore, the end portion of the rod body 51 of the rod-shaped handle 50 is inserted into the tubular body 47 disposed on the side of the jack body 41, and the notch groove 48 and the rod body 51 formed in the tubular body 47.
Since the projection 54 formed at the end of the jack can be locked and the jack body 41 can be appropriately moved to a desired position by the rod body 51 of the rod-shaped handle 50, the jack body can be directly moved by hand as in the conventional case. There is no need to hold and set 41. As a result, the worker can set or remove the jack main body 41 at a predetermined position of the vehicle body or the like without touching the knees or the like with the ground or touching the vehicle body or the like with clothes, so that the worker's clothing or the like is dirty. Absent. In particular, even when the chain is mounted on an automobile or the like outdoors when the ground is snowy, it is not necessary to attach a knee or the like to the ground, and the jack body 41 can be easily set or removed, which is extremely workable.

As described above, in this simple jack, if a detachable rod-like handle is connected to the jack body and the rod-like handle is operated to move up and down,
It can be applied to any type of jacks such as pantograph type jacks, dharma jacks and hydraulic type jacks. In a simple jack that does not use a rod-shaped handle, it is necessary to separately provide a rod-shaped body.

Further, in each of the above embodiments, the notch groove formed in the tubular body and the notch groove formed in the connecting tubular portion are made of the vertical groove and the lateral groove, but such a groove is inevitable. It is not limited to the shape,
In short, any shape may be used as long as it can be engaged with the protrusion formed on the end of the rod-shaped handle.

[0047]

As described above, the simple jack of the invention of claim 1 is formed in the tubular body by inserting the end portion of the rod-shaped handle into the tubular body arranged on the side of the jack body. Since the notch groove of a predetermined shape and the projection formed at the end of the rod-shaped handle are locked and the jack body can be appropriately moved to the desired position by the rod-shaped handle, the worker attaches his knee or the like to the ground. In addition, the jack body can be set or removed at a predetermined position of the vehicle body or the like without touching the vehicle body or the like with clothes, and the worker's clothes or the like are not soiled and the workability is extremely good.

In the simple jack according to the invention of claim 2, a rod-like handle is inserted into the connecting cylinder portion of the jack body, and a notch groove of a predetermined shape formed in the connecting cylinder portion and an end portion of the rod-like handle are formed. Since the jack body can be appropriately moved to a desired position by the rod-shaped handle by the rod-shaped handle, the operator does not have to put his knees on the ground or touch the vehicle body with clothes or the like. The jack body can be set or removed at the position, and the clothes of the worker will not get dirty, and the workability is extremely good.

[Brief description of drawings]

FIG. 1 is a side view showing a jack body of a simple jack according to a first embodiment of the present invention.

FIG. 2 is a plan view showing a jack body of the simple jack shown in FIG.

FIG. 3 is a side view showing a jack body of a simple jack according to a second embodiment of the present invention.

FIG. 4 is a plan view showing a jack body of the simple jack shown in FIG.

FIG. 5 is a side view showing a jack body of a simple jack according to a third embodiment of the present invention.

FIG. 6 is a plan view showing a jack body of the simplified jack shown in FIG.

FIG. 7 is a side view showing a rod-shaped handle of the simple jack according to the first embodiment of the present invention.

FIG. 8 is a perspective view showing a rod-shaped handle of a simple jack according to a second embodiment of the present invention.

FIG. 9 is an exploded perspective view showing a rod-shaped handle of a simple jack according to a third embodiment of the present invention.

FIG. 10 is an explanatory diagram showing a usage state of the simple jack that is the first embodiment of the present invention.

FIG. 11 is an exploded perspective view showing another rod-shaped handle of the simple jack according to the first embodiment of the present invention.

FIG. 12 is a side view showing a housed state of a jack body of a simple type jack according to a first embodiment of the present invention and a scratched portion of a rod-shaped handle of FIG. 11.

FIG. 13 is a side view showing a main part of still another rod-shaped handle of the simple jack according to the first embodiment of the present invention.

[Explanation of symbols]

 1, 21, 41 Jack main body 3a, 3b, 3c, 3d Arm member 4a, 4b Support point shaft 5 Shaft 6, 25, 45 Support portion 7, 46 Connecting portion 7a Connecting groove 7b, 46a Connecting hole 8, 47 Cylindrical body 9, 28,48 Notch groove 9a, 28a, 48a Vertical groove 9b, 28b, 48b Horizontal groove 10,30,50 Bar-shaped handle 11,51 Bar body 12a, 12b, 20,32,54 Protrusion 23 Hydraulic mechanism body 24,44 Elevating part 26 Air extraction 27 Connection cylinder 31 Pipe 43 Dharma body 55 Handle

Claims (2)

[Claims] 1. A simple jack in which a detachable rod-shaped handle is connected to a jack body, and the rod-shaped handle is operated to move up and down, wherein an end portion of the rod-shaped handle is inserted into and removed from a side portion of the jack body. And a notch groove of a predetermined shape is formed in the tube body, and a projection capable of engaging with the notch groove is formed at the end of the rod-shaped handle. A characteristic simple jack. 2. A simple jack in which a detachable rod-shaped handle is connected to a connecting cylinder portion of a jack body, and the rod-shaped handle is operated to move up and down, wherein a notch of a predetermined shape is formed in the connecting cylinder portion of the jack body. A simple jack characterized in that a groove is formed and a projection capable of engaging with the cutout groove is formed at an end of the bar-shaped handle.