JP3222436B2 - Tightening temporary lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a temporary fastening device for restraining two tightened members such as a box body and a lid in a closed state.

[0002]

2. Description of the Related Art A conventional fastening temporary lock device is connected to a base fixed to one of the tightened members, a base fixed to the other tightened member, and a base bearing plate by a pivot. An operation handle having a U-shaped cross section and a latch inserted into a shaft hole at the base end of the operation handle, the distal shaft portion being engaged with and disengaged from the receiving groove of the receiving handle. In this tightening temporary locking device, after one tightened body is closed and rotated with respect to the other tightened body, the tip shaft portion of the latch is engaged with the receiving groove portion of the catch, and the operating handle is centered on the pivot. Push down and rotate. When the base shaft of the latch crosses the position on the straight line connecting the pivot and the receiving groove, that is, the dead center position to the other tightened body side,
The direction of action of the rotational force due to the elasticity inherent in the latch is reversed, and the operation handle is urged to rotate in the falling direction. As a result, the two clamped bodies are clamped in the closed state.

[0003] Since the driving force for fastening and retaining depends on the elasticity of the latch itself, the larger the weight of the tightened body and the larger the weight, the larger the latch is designed, and the external force acting on the catch and the operating handle via the latch. Is increased, which causes distortion of the operation handle and the like. In the conventional tightening temporary lock device, the operating handle is formed by pressing a metal plate into a U-shaped cross section, and the concave portion on the back surface of the operating handle remains open. Had limitations. Further, in order to release the tightening temporary lock, the operating handle must be raised and rotated against the large rotational urging force, but the edge portion of the parallel side wall of the operating handle is placed on the palm of the hand holding the operating handle. , The operator often feels considerable pain.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an operation handle that is strengthened against distortion and deformation, does not give a pain to the palm of the operator, and has a definite lock position. The purpose of the present invention is to provide a fastening temporary locking device that can be provided.

[0005]

Means for Solving the Problems Hereinafter, a description will be given using reference symbols in the accompanying drawings. The fastening temporary locking device of the present invention includes a receiving metal 8 fixed to one tightened body 10A, and the other A base 3 fixed to the tightening body 10B, an operation handle 1 having a U-shaped cross section connected to a bearing plate 3a of the base 3 by a pivot 4, and fitted into a rear recess 1c of the operation handle 1 for operation. A back cover-2 having a U-shaped cross section fixed to the handle 1 and a tip shaft portion 5a is formed in a receiving groove 12 of the receiving metal 8.
And a latch 5 inserted into the shaft hole 13 at the base end of the operation handle 1. And back
A pair of left and right parallel walls 2a and 2b of the bar 2 are operating handles.
1 and a pair of left and right parallel walls 1a and 1b overlap each other so that the composite cross section of the back cover 2 and the operation handle 1 forms a box shape.
The flat main portion between the parallel walls 2a and 2b of the back cover 2
The body plate portion is the edge of the parallel walls 1a, 1b of the operation handle 1.
Operation hand so that it protrudes from the
It fitted the rear cover 2 to the rear recess 1c of Le 1, wherein the flat
Fixing penetrating the row walls 1a, 1b and the parallel walls 2a, 2b
The rear cover 2 is fixed to the operation handle 1 by the tool 6.
Then , rising walls 3c, 3d are formed at the bases of the bearing plates 3a, 3b of the base 3, and the base shaft 5b of the latch 5 connects a straight line L connecting the pivot 4 and the receiving groove 12 to the tightened body 10B. When the locking position is reached, the base shaft 5b is brought into contact with the rising wall 3b.

[0006] In the fastening temporary locking device thus constructed, one of the clamped bodies 10A is closed and rotated with respect to the other clamped body 10B, and then the tip shaft 5a of the latch 5 is received by the catch 8. The groove 12 is engaged. When the operating handle 1 is pushed down and rotated about the pivot 4, the base shaft 5b of the latch 5 moves in a direction approaching the tightened body 10B. The base shaft 5b of the latch 5 crosses a straight line L connecting the distal shaft 5a of the latch 5 and the pivot 4 toward the tightened body 10B, and the base 3
When it comes into contact with the rising wall portions 3c and 3d, the rotational force due to the inherent elasticity of the latch 5 acts in a direction for further moving the operation handle 1 toward the tightened body 10B. Thereby, the two tightened bodies 10A and 10B are tightened and locked in a closed state.

In order to release the tightening / locking, the user inserts his hand into the space left between the operating handle 1 and the tightened body 10B, grasps the operating handle 1 together with the back cover 2, and pivots around the pivot 4. The operation handle 1 may be raised and rotated. As the operating handle 1 rotates, the base shaft 5b of the latch 5 moves away from the tightened body 10B. When the base shaft 5b crosses the straight line L to the opposite side of the tightened body 10B, the latch 5 The rotational force due to the inherent elasticity is reversed, and the operation handle 1 is urged to rotate further away from the tightened body 10B. Thereafter, by removing the tip shaft 5a of the latch 5 from the receiving groove 12 of
The two clamped bodies 10A and 10B can be separated and opened.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The temporary fastening device according to the embodiment shown in FIGS. 1 to 3 is of a flat mounting type in which a base 3 and a receiver 8 are used on the same plane. Base bent portions 8c, 8 of a pair of left and right parallel wall portions 8a, 8b of the receiver 8
d is provided with four fixing through-holes 11, and the receiving metal 8 is fixed by a fixing tool 9 such as a bolt passing through the through-hole 11.
A is fixed to A. Two fixing through holes 16 are formed in the central main plate portion of the base 3, and the base 3 is fixed to the tightened body 10 </ b> B by fixing members 17 such as bolts passing through the through holes 16.

A pair of left and right parallel walls 1 of the operation handle 1
A shaft hole 15 is formed in the a and 1b in the transverse direction, and a shaft hole 14 is formed in the pair of left and right bearing plate portions 3a and 3b of the base 3 in the transverse direction. The distal end of the pivot 4 inserted into these shaft holes is fixed by swaging via a washer 7 so that it cannot be pulled out. A pair of left and right parallel wall portions 2a of the back cover 2,
2b is fitted into the rear recess 1c of the operation handle 1 so as to overlap with the parallel wall portions 1a and 1b of the operation handle 1,
It is fixed to the operation handle 1 by a fixing tool 6 such as a rivet penetrating these parallel wall portions.

The latch 5 is formed by bending a metal rod into a rectangular shape, and is compressed and deformed inward so that the base shaft 5b does not come off from the shaft holes 13 of the parallel walls 1a and 1b of the operation handle 1. ing. The back cover 2 is made of various materials such as metal and plastic, is appropriately coated with a surface covering material such as rubber, and the back cover 2 is appropriately replaced according to a user's selection.

The fastening temporary locking device of the embodiment shown in FIGS. 4 and 5 is of a right-angle mounting type in which the base 3 and the receiving metal 8 are used by being arranged on surfaces perpendicular to each other.

[0012]

As described above, in the temporary fastening device according to the present invention, the pair of right and left parallel walls 2a and 2b of the back cover 2 are formed.
The pair of left and right parallel walls 1a and 1b of the operation handle 1
Thus, the back of the operation handle 1 having a U-shaped cross section is formed so that the composite cross section of the back cover 2 and the operation handle 1 forms a box shape.
The rear cover 2 having a U-shaped cross section is fitted into the surface recess 1c ,
Penetrates the parallel wall portions 1a, 1b and the parallel wall portions 2a, 2b
The rear cover 2 is attached to the operation handle 1 by the fixing tool 6
Since the latch 7 is fixed , the latch 7 is strengthened against distortion due to tensile force, and the robustness is greatly improved.

The parallel walls 2a, 2b of the back cover 2
A flat main plate portion between the parallel wall portions 1 of the operation handle 1
protrude from the edges of a and 1b by the thickness
The back cover 2 is fitted into the back recess 1c of the operation handle 1.
Since the flat main plate portion of the back cover 2 is in contact with the palm of the operator, and only the edge portion of the parallel wall plate portion of the operation handle 1 does not directly hit, the latch 5
Even becomes large operating force at the pulling rotation of the operating handle 1 strongly reduction, with no giving pain on the palm of the operator, on request of the operator, the flat main
The material and surface cover of the back cover 2 where the palm touches the body plate
By changing the cover, operation handle with different tactile sensation
Can be easily provided.

Further, when the base shaft 5b of the latch 5 comes to the locking position beyond the straight line L connecting the pivot 9 and the receiving groove 12 to the tightened body 10B, the base shaft 5b is moved to the base 3 position. Abutting against the rising wall portions 3c, 3d, the locking position is given a certainty, and an extra space for inserting an operator's hand between the operation handle 1 and the tightened body 10B is always secured. And the operability is good.

[Brief description of the drawings]

FIG. 1 is a front view in a locked state of a flat mounting type temporary fastening device according to an embodiment of the present invention.

FIG. 2 is a bottom view of the temporary fastening device of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a bottom view in a locked state of a right-angle mounting type temporary fastening device according to another embodiment of the present invention.

FIG. 5 is a central longitudinal sectional view of the temporary fastening device of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Operation handle 2 Back cover 3 Base 4 Axis 5 Latch 6 Fixture 7 Washer 8 Receipt 9 Fixture 10A Tightened body 10B Tightened body

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05C 19/14 F16B 2/10

Claims (1)

(57) [Claims] 1. A receiving member 8 fixed to one tightened body 10A, and a base 3 fixed to the other tightened body 10B.
An operating handle 1 having a U-shaped cross section connected to a bearing plate 3a of the base 3 by a pivot 4; a U-shaped cross section fitted into the rear recess 1c of the operating handle 1 and fixed to the operating handle 1. Back cover-2, and the front end shaft 5a is engaged with and disengaged from the receiving groove 12 of the receiving member 8, and the base end shaft 5b is engaged with the latch 5 inserted into the shaft hole 13 at the base end of the operation handle 1. back
The pair of left and right parallel walls 2a and 2b of the cover 2 is an operation hand.
When the composite cross section of the back cover 2 and the operation handle 1 forms a box shape by overlapping with the pair of left and right parallel walls 1a and 1b of the
In both cases, a flat surface between the parallel wall portions 2a and 2b of the back cover 2 is provided.
The main plate portion is formed by the parallel wall portions 1a and 1b of the operation handle 1.
Operation handle so that it protrudes from the
The rear cover 2 fitted into the rear recess 1c of $ 1, wherein
The solid through the parallel walls 1a, 1b and the parallel walls 2a, 2b
The back cover 2 is fixed to the operation handle 1 by the attachment 6.
Then , rising walls 3c, 3d are formed at the bases of the bearing plates 3a, 3b of the base 3, and the base shaft 5b of the latch 5 connects a straight line L connecting the pivot 4 and the receiving groove 12 to the tightened body 10B. A temporary locking device in which the base shaft portion 5b comes into contact with the rising wall portion 3b when the locking position is reached.