KR20080110373A

KR20080110373A - A jack base

Info

Publication number: KR20080110373A
Application number: KR1020070059038A
Authority: KR
Inventors: 김구해
Original assignee: 김구해
Priority date: 2007-06-15
Filing date: 2007-06-15
Publication date: 2008-12-18

Abstract

A jack base for keeping a vertical member horizontally and perpendicularly is provided to have a supporter separation prevention device for preventing the separation of a supporter, to improve workability and work efficiency by reinforcing a structure, to prevent the safety of a worker by preventing the separation of a supporter when moving a jack base, and to maximize the stability and efficiency of construction work by preventing the movement of a supporter. A jack base(10) comprises a feed screw(11) projected to the top of a support and formed long in the longitudinal direction, a supporter backing member(16) inserted to the outer circumference of the feed screw and supporting a supporter, and a vertical reciprocating member(12) fastened to the outer circumference of the feed screw, and reciprocating the supporter and the supporter backing member vertically by rotating forward or backward selectively.

Description

Jack Base {A Jack Base}

1 is a configuration diagram using a conventional jack base.

Figure 2 is a perspective view showing a jack base applied to the present invention.

Figure 3 is a front view showing a jack base applied to the present invention.

Figure 4 is a cross-sectional view of the use state of the jack base applied to the present invention.

Figure 5 is a perspective view of the holding post installed on the jack base of the present invention.

Figure 6 is a state of use of the jack base applied to the present invention.

10: Jack Base 11: Feed Screw

12: lifting and lowering operation member 14: locking jaw

15: strut prevention means 16: strut support member

18: protrusion 20: prop

The present invention relates to a jack base to be installed in the lower part of the system to maintain the vertical and horizontal of the vertical member, and more specifically, to improve the workability and work efficiency by greatly reinforcing the structure of the jack base, This prevents the holder from easily falling off when the jack base is moved so that the safety of the worker can be improved. This can greatly improve the quality and reliability of the product and provide high-efficiency products to consumers. .

As it is well known, the system copper bar is installed by componentizing and assembling the strut because it is difficult and dangerous to install in places with high working load or high floor height such as hardwood, pipe support, or steel frame scaffolding. Refers to a hypothetical structure that makes it simple and safe to transmit acting loads.

At this time, the bottom of the system club is provided with a jack base (Jack Base) to perform the function of the adjustable base to maintain the vertical and horizontal of the vertical member.

The prior art of the jack base is configured and used as shown in FIG.

That is, the pedestal 3 positioned on the ground and the feed screw 2 protruding in the longitudinal direction at the upper end of the pedestal and the elevating operation member 4 which is fastened up and down selectively by being fastened to the feed screw It is composed of a), the upper end of the elevating operation member (4) is to be installed a support base (5) supporting the formwork or the euroform.

The jack base of the prior art is first lowered by rotating the elevating operation member (4), and then installs the support stand (5) on the upper portion thereof, and then raises the elevating operation member (4) by forward rotation Let's do it. Then the props (5) is raised and eventually the upper end of the support is to firmly support the formwork or euroform.

However, the above-described prior art has many problems as follows.

In other words, if the worker grabs the holding post 5 to move to another place after the use of the jack base, the holding post 5 is released from the jack base.

To explain this in more detail, the worker generally grasps the support stand 5 for the efficiency and convenience of the work, since there is no configuration for interconnecting the support stand 5 and the jack base, the support stand 5 is provided at the jack base. As a result, there was a big problem that the workability and efficiency decreased.

In addition, when the jack base is separated from the holding stand (5) falls off the worker's feet or body parts to cause a big injury.

In addition, the above-described prior art has a problem that the props 5 are flowed by a slight play.

That is, since the diameter of the support base 5 fitted to the outer circumferential surface thereof is larger than the diameter of the feed screw 2, a play occurs, and the support stand 5 moves slightly back, front, left, and right by the gap of the play. , As a result, as a result of the weakening of the supporting force for the formwork or the Euroform, it causes the sub-construction, and if a mistake, the holding stand 5 is inclined or collapsed.

In addition, the above-described prior art has been a problem that is discontinued by the consumer, especially the workman, and is no longer used.

The present invention has been made in order to solve the problems of the prior art as described above, the support base support member and the elevating operation member is provided on the jack base and the support stand release member to prevent the departure of the support stand The first purpose is to provide a preventive means, the second purpose is to greatly reinforce the structure of the jack base as described above to improve the workability and work efficiency, and the third purpose is to It prevented the props from being easily detached during the movement, so that the safety of the workers could be promoted. The fourth objective was to prevent the flow of the props installed on the jack base to maximize the stability of work and the efficiency of building construction. The fifth purpose is to significantly improve the quality and reliability of the product and to provide consumers with high-efficiency products. Provide a jack base for supply.

The present invention is provided with a protrusion provided on the top of the pedestal, the longitudinally formed feed screw for achieving the above object; A support stand supporting member fitted to an outer circumferential surface of the transfer screw and supporting the support stand; It is fastened to the outer circumferential surface of the feed screw, and optionally lifting and lowering operation member for raising and lowering the support base and the support base support member according to the forward and reverse rotation; provides a jack base characterized in that it is provided.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention for achieving this purpose are as follows.

The jack base applied to the present invention is configured as shown in Figs.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and their definitions should be made based on the contents throughout the specification.

First, the present invention is provided with a projecting screw 11 protruding on the upper end of the pedestal (11a) is formed long in the longitudinal direction.

In addition, the present invention is fitted to the outer circumferential surface of the transfer screw 11, is provided with a support base support member 16 for supporting the support post 20 to be described later.

And the present invention is fastened to the outer circumferential surface of the transfer screw 11, the elevating operation member 12 for raising and lowering the support base 20 and the support base support member 16 up and down as the stationary rotation is selectively It is provided.

On the other hand, in the present invention, except for the elevating operation member 12, the support stand support member 16, the support stand detachment prevention means (15) so that only the support stand 20 and the support stand support member 16 are separated. It is equipped.

In more detail, the holding stand detachment preventing means 15 applied to the present invention, the holding jaw 14 protruding from the upper outer peripheral surface of the elevating operation member 12, and the holding stand to be caught on the locking jaw 14 At least one locking protrusion 18 protruding from the outer lower portion of the supporting member 16 to the inside is provided at regular intervals.

In this case, the locking protrusion 18 may be fixed to the outside of the support base support member 16 in a variety of ways, it is preferable to fix it by welding or the like.

In addition, a hole 16a is formed at the inner center of the support base support member 16 applied to the present invention so as to be fitted to the outer circumferential surface of the transfer screw 11, and at the same time, as shown in FIG. Protruding portion 17 is formed to be fitted while in close contact with the reinforcing rib 21 formed in the interior of the.

At this time, the present invention can be configured to move up and down while rotating with the support stand separation prevention means 15 by forming the hole (16a) as a screw hole.

In addition, the present invention is a screw hole (12a) is formed in the inner center of the elevating operation member 12 to be fastened with the transfer screw 11 at the same time so that the elevating operation member 12 can be smoothly forward and reverse rotation on the outside At least one or more handles 13 protrude outwardly.

The present invention is also in close contact with the reinforcing ribs 21 formed inside the support stand 20 at the upper end of the transfer screw 11 to support the support stand flow to prevent the flow of the support stand 20 formed long in the longitudinal direction The prevention piece 11b is provided.

In addition, the reference numeral 19 applied to the present invention is a bolt, and when the bolt 19 is fastened through the protrusion 17 of the support base 20 and the support base support member 16 as shown in FIG. The support stand 20 can be fixedly installed on the top of the support stand support member 16.

On the other hand, the present invention may be variously modified and may take various forms in applying the above configuration.

And it is to be understood that the invention is not limited to the specific forms referred to in the above description, but rather includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood that.

Referring to the effect of the jack base of the present invention configured as described above are as follows.

First, the support base support member 16 and the elevating operation member 12 are sufficiently extended to the lower portion of the feed screw 11 so that the support base 20 formed long in the longitudinal direction may be installed on the upper portion of the jack base 10. Lower

In the above state, the support post 20 is to be installed on the support post support member 16, and at this time, as shown in FIG. 4, a plurality of reinforcement ribs are formed at regular intervals in the interior of the support post 20. (21) is inserted while abutting the outer circumferential surface of the support stand flow prevention piece (11b) and the projection 17, so that the support stand 20 is prevented from moving slightly back and forth, left and right when the stand is vertically stabilized And the construction efficiency can be maximized.

And at this time, the present invention is to fasten to the protrusion 17 by inserting at least one bolt 19 in the lower portion of the support stand 20, which is a holding post when the worker carrying the support stand 20 after the end of work 20 is to be separated from the jack base 10 is separated from each other.

However, even when the support base support member 16 and the support base 20 are fastened by using the bolt 19, the bolt 19 is cut when it is used for a long time or an impact or an imbalance of any force occurs at the construction site. There may be a problem that the support stand support member 16 and the support stand 20 are separated from each other.

In addition, the present invention, as will be described later, without the support stand detachment prevention means 15, the support stand support member 16 and the support stand 20 are separated from the jack base 10 together by the impact, but the present invention The stand restraining means 15 prevents the support stand supporting member 16 and the support stand 20 from being separated.

That is, the present invention can solve the above problems with the holding stand departure prevention means (15).

In more detail, even if the bolt 19 is damaged as described above, the plurality of locking projections 18 bent to the outer lower end of the support base support member 16 is the lower locking jaw of the elevating operation member 12 ( 14, so that even if the bolt 19 is damaged, the support stand detachment prevention means 15 can hold the elevating operation member 12 and the support stand support member 16 firmly to each other as a result, When the base 10 is moved, the support stand 20 is prevented from being easily detached, thereby enabling the safety of the worker.

On the other hand, the elevating operation member 12 applied to the present invention is a screw hole 12a is formed therein to move up and down along the transfer screw 11, the support base support member 16 therein The hole 16a is formed to be passively moved up and down by the vertical operation of the elevating operation member 12 without being fastened to the feed screw 11.

Although not shown in the drawings, the present invention forms a screw hole instead of a hole formed in the support base support member 16 so that the lifting operation can be performed up and down along the feed screw 11 like a lifting operation member. Of course. In this way, it is possible to obtain an effect of preventing the support base support member 16 fixedly installed from the support base 20 from being separated from the jet base 10.

In the present invention, as shown in FIG. 6, when the elevating operation member 12 is rotated forward and ascended, the support stand 20 perpendicular to the upper end of the support stand support member 16 raises the formwork or euroform of the ceiling. After the construction is completed, the elevating operation member 12 is reversely rotated by using the handle 13 to move up and down the operation member 12, the support base support member 16, and the support base 20. It is moved and disassembled by lowering together to the lower part of the feed screw (11).

As described in detail above, the present invention is provided with a support base support member and a lifting operation member at the jack base, and the support base support member is provided with a support stand detachment prevention means for preventing the detachment of the support stand.

The present invention is to reinforce the structure of the jack base as described above to improve the workability and work efficiency.

In another aspect, the present invention is to prevent the holding stand is easily separated during the movement of the jack base to facilitate the safety of the operator.

In addition, the present invention is intended to maximize the stability of the work and construction efficiency by preventing the flow of the strut installed on the jack base.

The present invention is a very useful invention that can significantly improve the quality and reliability of the product due to the above-described effects and to supply a high-efficiency excellent product to the consumer.

Claims

A protruding screw 11 protruding from an upper end of the pedestal and formed to extend in the longitudinal direction;

A support stand supporting member (16) inserted into an outer circumferential surface of the transfer screw and supporting the support stand;

The jack base is fastened to the outer circumferential surface of the transfer screw, and selectively lifting and lowering operation member (12) for lifting up and down the support stand and the support stand support member according to the forward and reverse rotation.

According to claim 1,

Jack base, characterized in that the support base support member is further provided with a support stand detachment preventing means (15) so that only the support stand and the support stand support member is separated except the lifting and lowering operation member.

According to claim 2,

The holding stand separation prevention means 15,

A catching jaw 14 protruding from the upper outer circumferential surface of the elevating operation member;

Jack base, characterized in that provided with a locking projection (18) protruding from the outer bottom of the support base support member to be caught by the locking jaw.

The method according to any one of claims 1 to 3,

A hole 16a is formed at the inner center of the support base support member to be fitted to the outer circumferential surface of the transfer screw, and a protrusion 17 is formed at the upper end to be in close contact with the reinforcing rib formed in the support post.

The jack base, characterized in that the screw hole (12a) is formed in the inner center of the elevating operation member and the handle 13 is formed to smoothly forward and backward rotation of the elevating operation member on the outside at the same time.

The method of claim 4 wherein

Jack base, characterized in that the top of the transfer screw is further provided with a support stand flow prevention piece (11b) in close contact with the reinforcing rib formed in the support stand to prevent the flow of the support stand formed long in the longitudinal direction.