JP3000096B2 - Attachment / detachment equipment for installation equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention enables the installation equipment to be attached and detached with a single touch, thereby simplifying the installation work and improving the workability thereof, and obtaining the flexibility of the installation according to the situation of the installation equipment or the installation side. In addition, the present invention relates to a mounting / detaching apparatus for mounting equipment, which is promptly removed when the mounting equipment is not used, so that effective use of space and safety of traffic can be achieved.

[0002]

2. Description of the Related Art For example, handrails for houses are disclosed in JP-A-6-21.
In Japanese Patent No. 2761, a support bracket is attached to an interior plate, and the lower end of an extension shaft is screwed into the end of the bracket.
The mounting height of the handrail member can be adjusted by inserting the upper part of the shaft into the handrail member and adjusting the screwing amount of the shaft.

However, when the handrail is mounted, a handrail member is inserted into the extension / retraction shaft, and a screwing operation of a stopper for fixing the handrail member is required. This screwing work is cumbersome. As a result, the workability is poor, and the insertion hole for inserting the shaft must be accurately formed to match the mounting pitch of the shaft. If it is missed, the handrail member cannot be mounted, and there is a problem that the flexibility of mounting is lacking. Further, since the conventional device is troublesome and complicated to remove, it is generally mounted semi-permanently, and has problems such as obstructing traffic and hindering effective use of space.

[0004] By the way, not only the above handrails but also the installation and removal of indoor air conditioners, shelf supports, door handles, furniture hardware, and the like provided in houses are troublesome and troublesome, and improvement thereof has been desired in advance.

[0005]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and allows one-touch attachment and detachment of the installation equipment, thereby simplifying the installation work and improving the workability thereof, and further improving the workability of the installation equipment or the fixed body. To provide a mounting / detaching device for mounting equipment that can be installed quickly according to the situation described above, and can be quickly removed when the mounting equipment is not in use to ensure effective use of space and safety of traffic. Aim.

[0006]

According to a first aspect of the present invention, there is provided a dog having an engagement groove, a dog insertion groove through which the dog can be inserted and withdrawn, and a communication with the insertion groove. A lock housing provided with a through-hole for slidably receiving a lock piece engageable with the groove, wherein the lock piece is urged toward the dog insertion groove and the lock housing is immovable. , The dog is integrally attached to the installation equipment, and the dog is pushed into the dog insertion groove, whereby the installation equipment can be installed with one touch, thereby simplifying the installation work and improving the workability thereof.

According to a second aspect of the present invention, a support piece is mounted on the outer peripheral surface of the mounting equipment, a dog is projected from an outer surface of the support piece, and a lock surface is provided on the lock housing so as to engage with the support piece. An engaging groove that can be engaged with each other is formed in the engaging surface between the hooking surface and the support piece to prevent displacement of the hooking surface and the support piece, and the mounting equipment can be firmly attached. According to the third aspect of the present invention, a locking groove is formed on the peripheral surface of the mounting equipment, and a convex portion engageable with the locking groove is provided on the inner surface of the support piece, and the support piece is provided at a predetermined position on the peripheral surface of the mounting equipment. Is easily and accurately and firmly mounted.

According to a fourth aspect of the present invention, an opening window communicating with the through hole is formed on the peripheral surface of the lock housing, and the unlocking means can be inserted into the opening window, and the peripheral portion of the lock piece facing the opening window. On the surface, an engagement hole into which the lock release means can be inserted is formed, the lock piece can be retracted from the engagement groove via the lock release means, and the engagement between the lock piece and the engagement groove is released, Mounting equipment can be removed with one touch. Therefore, when the installation equipment is not used, it is promptly removed, and effective use of space and safety of traffic can be achieved.

According to a fifth aspect of the present invention, an opening window communicating with the through-hole is formed on the peripheral surface of the lock housing, and a knob is protruded on the peripheral surface of the lock piece facing the opening window, and lock release means is used. The installation equipment can be removed with one touch without any finger. According to a sixth aspect of the present invention, the base end portion of the lock housing is configured to be able to be turned up and down or left and right, so that the space after removing the mounting equipment is effectively used and the safety of traffic is enhanced.

According to a seventh aspect of the present invention, a dog having an engagement groove, a dog insertion groove into which the dog can be inserted, and a lock piece communicating with the insertion groove and engageable with the engagement groove are slid. A lock housing having a through hole movably accommodated therein, wherein the lock piece is urged in the direction of the dog insertion groove, and the lock housing is integrally attached to mounting equipment to fix the dog immovably. By attaching to the body and pushing the dog insertion groove into the dog, the attachment equipment can be attached with one touch, and the attachment work is simplified and the workability is improved.

According to the invention of claim 8, an opening window communicating with the through hole is formed on the peripheral surface of the lock housing, and a lock releasing means can be inserted into the opening window, and the lock piece is connected to the lock piece via the unlocking means. The locking piece can be retracted from the mating groove to release the engagement between the lock piece and the engaging groove, and the mounting equipment can be removed with a single touch. Therefore, when the installation equipment is not used, it is promptly removed, and effective use of space and safety of traffic can be achieved.

According to a ninth aspect of the present invention, the engagement groove has an inclined engagement surface which can be engaged with an edge of the lock piece, and when the engagement surface is engaged with the lock piece, the insertion is inserted into the dog. A pressing force acting in the direction can be formed, the lock piece is securely locked, and the mounting equipment can be securely and safely mounted. Further, a wide engagement area of the lock piece is secured on the engagement surface, and a slight assembly error between the lock piece and the dog is allowed.

According to a tenth aspect of the present invention, the dog is movably accommodated along the dog insertion groove, the relative position of the lock housing or the mounting equipment can be changed, and the mounting can be performed according to the situation on the mounting equipment side or the fixed body side. Flexibility is obtained. Therefore, dimensional control at each mounting position is eased. According to the eleventh aspect of the present invention, the mounting equipment is a handrail member, and the handrail member can be attached and detached with a single touch, thereby simplifying the mounting operation and improving the workability.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a housing according to a first embodiment of the present invention; FIG. A fixed housing made of wood or wall, and a lock housing 2 is attached to the fixed body 1 obliquely upward through a suitable means such as a wood screw 3 or a bolt.

The lock housing 2 is made of a substantially rectangular square pillar made of a zinc alloy die-cast, and has a fixed body 1 at its base end.
A flange portion 4 that can be seated is provided protruding therefrom, and a quadrangular prism-shaped dog receiver 5 is integrally formed at a tip portion thereof, and the dog receiver 5 is arranged in parallel with the fixed body 1.

A through hole 6 is formed inside the lock housing 2, and the through hole 6 is formed in a concave hole 7 formed in an end face of the flange portion 4.
The cap 8 is inserted into the lower side of the through hole 6, the flange 9 of the cap 8 is fitted into the concave hole 7 and screwed, and the portion is plugged. In the figure, 10
Is a screw for fixing the flange portion 9, and 11 is a screw hole formed in the flange portion 4 so that the wood screw 3 can be inserted.

A lock spring 12 and a lock piece 13 are accommodated in the through-hole 6, and the lock piece 13 is urged upward through the spring 12, and a tip portion of the lock piece 13 is formed on the upper opening edge of the through-hole 6. It is engaged with the protruding stopper 14.

In the drawing, reference numeral 15 denotes an opening window formed on the lower peripheral surface of the lock housing 2 and communicates with the through hole 6.
Reference numeral 6 denotes an engagement hole formed in the peripheral surface of the lock piece 13 and arranged so as to communicate with the opening window 15. The unlocking tool 17, in this embodiment, a shaft end of a driver can be inserted into the hole 16.

An engaging surface 5a of a concave curved surface is formed at the upper end of the dog receiver 5, and a plurality of engaging grooves 18 are formed on the surface 5a. A dog insertion groove 19 is formed inside the dog receiver 5, and the groove 19 communicates with the through hole 6, and an upper end thereof is open to the engaging surface 5 a of the dog receiver 5. The dog 20 is accommodated so that it can be inserted and removed.

The dog 20 is made of a vertically elongated rectangular metal plate having a width smaller than that of the engagement groove 21 and has a lower peripheral surface capable of engaging with the lock piece 13. A mating groove 21 is formed. The engaging groove 21 is formed by cutting the peripheral surface of the dog 20 at a substantially right angle, and an upper engaging surface 21a inclined downward and a lower engaging surface 21b inclined upward are positioned at upper and lower positions. Wide lower engagement surface 2
The upper edge of the lock piece 13 can be engaged with 1b.

The lower engaging surface 21b faces the upper opening edge of the through hole 6 and is disposed so as to intersect with the lower peripheral surface of the through hole 6. That is, the inclination angle of the lower engaging surface 21b is 6, the inclination angle of the lower engagement surface 21b is formed to be steeper than the inclination of the through hole 6 in the embodiment.

A screw hole 22 is provided at the upper end of the dog 20, and a screw 24 is screwed into the hole 22 from above the supporting piece 23. The support piece 23 is formed of a gutter-shaped metal plate, and has a plurality of engagement grooves 2 which can be engaged with the engagement grooves 18 on the outer peripheral surface thereof.
5 is formed, and a concave hole 26 capable of accommodating the upper end of the dog 20 is formed in the center thereof.

In the drawing, reference numeral 27 denotes a screw hole formed at the bottom of the concave hole 26 so that the screw 24 can be inserted thereinto. Reference numeral 28 denotes screw holes provided at four corners of the support piece 23. Screw 29 is inserted.

On the concave curved inner surface of the support piece 23, a handrail member 30 as an installation facility is accommodated, and a screw hole (not shown) is formed at a predetermined position of the member 30, and the screw 29 is formed in the hole.
Are screwed from below the support piece 23. In the embodiment, an aluminum tube is used as the handrail member 30, but another metal tube or a wooden tube may be used.

The attachment / detachment device for the attachment equipment thus constructed is roughly divided into an assembly of the lock housing 2 and a handrail member 30 as the attachment equipment. When assembling the lock housing 2, the lock piece 13 and the lock spring 12 are accommodated in the through hole 6, and the engagement hole 16 of the lock piece 13 is arranged toward the opening window 15.

Then, the cap 8 is inserted into the through hole 6 from the base end side of the lock housing 2, the flange portion 9 is fitted into the concave hole 7, and the screw 10 is screwed into this to fix the cap 8. In this way, the base end of the through hole 6 is plugged with the cap 8, while the elasticity of the lock spring 12 urges the lock piece 13 in the direction of the dog insertion groove 19, and the distal end of the lock piece 13 contacts the stopper 14. Touching and stationary.

When the handrail member 30 is assembled,
The handrail member 30 is cut into a predetermined length, and a screw hole (not shown) is formed in the axial direction of the peripheral surface at the same pitch as the mounting pitch of the lock housing 2. Further, the upper end of the dog 20 is pressed against the concave hole 26 of the support piece 23, a screw 24 is inserted into the screw hole 27 from the inside of the support piece 23, and this is screwed into the screw hole 22, so that the dog 20 is attached to the support piece 23. Projecting on the outer periphery of

Then, the inner surface of the support piece 23 is pressed against the peripheral surface of the handrail member 30 to align a screw hole (not shown) of the handrail member 30 with a screw hole 28 of the support piece 23, and a screw 29 is formed on these. Screwing the support piece 23 into the handrail member 30
Attach to the circumference of. Hereinafter, another support piece 23 is similarly attached to the peripheral surface of the handrail member 30.

After assembling the lock housing 2 and the handrail member 30 in this manner, when assembling them, first, screw holes are formed at predetermined positions of the fixed body 1 at predetermined intervals, and the flange portion 4 is positioned at the positions. The screw holes 11 are aligned with the screw holes, the screws 3 are inserted into these holes, and the screws 3 are screwed in to fix the lock housing 2 to the fixed body 1.

Next, the dog 20 is turned downward and the handrail member 30 is turned on.
Is held, and the dog 20 is pushed into the dog insertion groove 19. This situation is as shown in FIG. By doing so, the lower end of the dog 20 abuts on the upper end of the lock piece 13, the piece 13 is pushed down against the elasticity of the lock spring 12, and the dog 20 enters the deep part of the dog insertion groove 19. .

When the engaging groove 21 of the dog 20 moves to the communicating portion of the through hole 6, the lock piece 13 is pushed up by the elasticity of the lock spring 12, and the upper edge of the piece 13 is moved to the lower engaging surface 21b. Engages.

This situation is shown in FIGS. 6 and 9, in which the lock piece 13 is engaged with the lower engagement surface 21b by the elasticity of the lock spring 12, and the pressing force f due to the engagement force F.
Acts downward at right angles to the lower engagement surface 21b. As a result, pulling out of the dog 20 is prevented, that is, the dog 20 is restrained and locked, and the handrail member 30 can be used.

In this case, since the lower engaging surface 21b and the lock piece 13 are arranged so as to intersect with each other so as to intersect with each other, a wide engaging position of the engaging surface 21b can be secured, and the lock piece 13 and the dog can be secured. Some assembling error with 20 can be tolerated. Further, since the engaging surface 5a of the dog receiver 5 and the outer surface of the support piece 23 are brought into close contact with each other by engaging the engaging grooves 18, 25, displacement of the two in the axial direction and generation of play are prevented. Promotes strong and stable installation.

As described above, according to the present invention, by pushing the dog 20 into the dog insertion groove 19, the handrail member 30 can be attached to the mounting bracket 2 with one touch, and the conventional complicated screwing operation of screws is not required. In addition, an unnatural working posture cannot be forced.

At this time, the width of the dog insertion groove 19 is
Since the dog 20 is formed wider than the groove 19 and allows the dog 20 to move in the length direction of the groove 19, that is, in the axial direction of the handrail member 30, the position of the lock housing 2 with respect to the fixed body 1 and the handrail member 30 Even if the mounting position of the support piece 23 lacks accuracy, by moving the dog 20 in the length direction of the groove 19, variation and fluctuation of the dimensions are allowed,
The strict dimensional control can be relaxed and rational mounting can be performed.

On the other hand, when the handrail member 30 is replaced or not used, or when the support piece 30 and the lock housing 2 are removed, the unlocking tool 17, in the embodiment, the driver 17 is used.
Is inserted into the engaging hole 16 from the opening window 15 and is pushed down against the elasticity of the lock spring 12.

In this manner, the lock piece 13 moves downward through the through hole 6 so that the upper end of the lock piece 13 is
b, the engagement with the dog 20 is released. This situation is as shown in FIG. 8. When the handrail member 30 is subsequently pulled up, the dog 20 is pulled out from the dog insertion groove 19, and the handrail member 30 can be removed.

As described above, according to the present invention, the handrail member 30 can be removed by a simple operation, so that the handrail member 30 can be easily replaced or not used, or the handrail member 30 and the lock housing 2 can be easily removed.

In this case, the base end portion of the lock housing 2 and the flange portion 4 are separately provided, and these are rotatably connected in the up-down direction or the left-right direction, so that the housing 2 can be turned up and down in the above-mentioned direction. If this is not the case, it is possible to respond quickly when not in use. In particular, when not in use, the space occupied by the lock housing 2 is opened, so that the space can be effectively used and traffic can be secured.

FIGS. 10 to 18 show another embodiment of the present invention, and the same reference numerals are used for portions corresponding to the configuration of the above embodiment. Among them, FIGS. 10 and 11
Shows a second embodiment of the present invention. In this embodiment, the locking groove 3 is formed on the outer peripheral surface of the handrail member 30 along the axial direction.
1 is formed, and the convex portion 32 engageable with the groove 31 is
3 projecting in a bead shape on the inner surface. The support piece 23 is integrally formed with the dog 20 and has the engaging groove 25 formed on an outer surface thereof.

Further, since the support piece 23 is formed integrally with the dog 20, there is no trouble in assembling them, and when the support piece 23 is attached to the handrail member 30, the handrail member 3 is used.
It is necessary to drill a screw hole (not shown) at a predetermined position of 0,
This drilling can be performed easily and accurately because the locking groove 31 can be used as a guide. Further, since the projections 32 of the support pieces 23 are engaged with the locking grooves 31, the dog 20 can be prevented from being displaced, and can be accurately and firmly attached.

Then, the convex portion 32 is engaged with the locking groove 31, and the inner surface of the support piece 23 is engaged with the peripheral surface of the handrail member 30, and is moved to a predetermined screw hole position. Is screwed into the handrail member 30 through the screw hole 28. The case where the handrail member 30 is attached to the lock housing 2 is the same as described above.

Since the support pieces 23 thus mounted are arranged in the axial direction of the handrail member 30, the load acting on the handrail member 30 uniformly acts on each support piece 23 or the lock housing 2, and the load on them is reduced. To reduce

FIG. 12 shows a third embodiment of the present invention. This embodiment has a knob 33 on one side of the lock piece 13.
Is mounted with screws or the like, and is projected outside from the opening window 15 to enable operation by the fingers 34. That is, in this embodiment, the lock piece 13 is pushed and moved by the finger 34 in place of the operation of the lock piece 13 by the lock release tool 17, so that the lock piece 13 can be easily operated.

FIGS. 13 to 18 show a fourth embodiment of the present invention. In this embodiment, the dog 20 is connected to the handrail member 30.
Instead of being mounted on the side, it is mounted on the mounting body 1 side, while the mounting bracket 2 is mounted on the handrail member 30 side. That is, the lower end of the dog 20 is pressed into the pedestal 35, and the pedestal 35 is fixed to the fixed body 1 via screws 36 such as wood screws.

The lock housing 2 is formed in a box shape, and the box 2a and the lid 2b are connected via screws 37, and a dog insertion groove 19 and a through hole 6 are formed therein. A dog 20 is inserted into the dog insertion groove 19 so as to be movable in a direction perpendicular to the paper surface of FIG. 17, so that the lock housing 2 or the connecting piece 40 can be moved in the axial direction of the handrail member 30. Lock spring 12 and lock piece 1 in through hole 6
3, and the lower end of the lock piece 13 is urged via the spring 12 so as to be able to contact the stopper 14.

In the figure, reference numeral 38 denotes a partition wall for partitioning the dog insertion groove 19, the through hole 6 and the opening window 15, and the stopper 14 having the bent partition wall 38 is disposed at the intersection of the through hole 6 and the opening window 15. A through hole 39 is formed in the upper part of the wall 38, and communicates the intersection of the through hole 6 and the opening window 15.

The lock housing 2 is accommodated in a connecting piece 40, which is formed in a box shape, and a screw 42 is inserted into a screw hole 41 of the lock
Into the screw hole 43 to fix the lock housing 2 and the connecting piece 40 together.

In the figure, reference numeral 44 denotes a lateral hole formed in the peripheral surface of the connecting piece 40, which communicates with the opening window 15. Reference numeral 45 denotes a hollow cylindrical connecting flange projecting from the peripheral surface of the connecting piece 40. A handrail member 30 is fitted into the inside, and is screwed (not shown). In this embodiment, connecting pieces 40 are arranged at both ends of the handrail member 30 so that the handrail member 30
However, it is also possible to project connecting flanges 45 on both sides of the connecting piece 40, insert the handrail member 30 into these, and connect the intermediate part of the member 30.

When attaching the handrail member 30 in this embodiment, first, the lock housing 2 is inserted into the connecting piece 40, and the lock housing 2 is fixed with the screw 42, and then the handrail member 30 is inserted into the connection flange 45. Screw 30 in. Next, screw holes (not shown) are opened at predetermined positions of the fixed body 1, pedestals 35 to which the dogs 20 are fixed in advance are arranged at the screw hole positions, and screws 36 are screwed into those screw holes to fix the pedestals 35. I do.

Thereafter, the assembly of the connecting piece 40 and the handrail member 30 is held, and the dog insertion groove 19 is inserted into the dog 20.
Press This situation is as shown in FIG. In this manner, the upper end of the dog 20 abuts on the lower edge of the lock piece 13, the piece 13 is pushed up against the elasticity of the lock spring 12, and the dog 20 enters the deep portion of the dog insertion groove 19. .

When the engagement groove 21 of the dog 20 moves to the communicating portion of the through hole 6, the lock piece 13 is pushed down by the elasticity of the lock spring 12, and the lower edge of the piece 13 is moved to the upper engagement surface 21a. Engage.

This situation is as shown in FIGS. 15 and 18.
The lock piece 13 is engaged with the upper engagement surface 21a by the elasticity of the lock spring 12, and the pressing force f of the engagement force F acts upward on the upper engagement surface 21a at right angles. As a result, pulling out of the dog 20 is prevented, that is, the dog 20
Is locked and the handrail member 30 can be used.

As described above, in this embodiment, the dog 20 is disposed on the fixed body 1 side, the lock housing 2 is disposed on the handrail member 30, and the handrail member is inserted by a one-touch operation of inserting the dog insertion groove 19 into the dog 20. 30 attachments are possible. Therefore, compared to the above-described embodiment in which the dog 20 is inserted into the dog insertion groove 19, the restraining force of the lock piece 13 is strengthened by the addition of the gravity of the lock piece 13 to the elasticity of the lock spring 12, and the connection between the two. Becomes stronger.

On the other hand, when the handrail member 30 is replaced or not used, or when the handrail member 30 and the lock housing 2 are removed, the unlocking tool 17, in the embodiment, the driver 17 is used.
Is inserted into the opening window 15 through the lateral hole 44, and the through hole 3 is further inserted.
9 and pry.

In this manner, the lock piece 13 is pushed up against the elasticity of the lock spring 12, and its lower end is retracted from the upper engagement surface 21a, and the dog 20
Release the engagement with. This situation is as shown in FIG. 17. When the handrail member 30 is subsequently pulled up, the dog 20 is pulled out from the dog insertion groove 19, and the handrail member 30 can be removed.

As described above, in this embodiment, the handrail member 30 can be removed by a simple operation, so that the handrail member 30 can be easily replaced or not used, or the handrail member 30 and the lock housing 2 can be easily removed.

In this case, if the base of the dog 20 is configured to be rotatable in the vertical direction or the horizontal direction, it is possible to respond quickly when not in use. In particular, when not in use, the space occupied by the dog 20 is opened, and Effective use of space and safety of traffic can be achieved.

In each of the above-described embodiments, the present invention is applied to the handrail member 30 as an installation facility.
Instead of this, it is also possible to apply to indoor air conditioners and shelf supports, door handles, furniture hardware, etc. provided in houses, so that attachment and detachment can be performed easily and quickly, and when not in use, Immediately remove the installation equipment,
Effective use of the space and safety of traffic can be achieved.

[0060]

As described above, according to the first aspect of the present invention, there is provided a dog having an engagement groove, a dog insertion groove through which the dog can be inserted and withdrawn, a communication with the insertion groove, and a connection with the engagement groove. A lock housing provided with a through hole that slidably accommodates a lockable lock piece, while urging the lock piece toward the dog insertion groove side, attaching the lock housing to an immovable fixed body, Since the dog was integrally attached to the installation equipment, by pushing the dog into the dog insertion groove,
The mounting equipment can be mounted with one touch, so that the mounting work can be simplified and the workability can be improved.

According to a second aspect of the present invention, a support piece is mounted on the outer peripheral surface of the mounting equipment, a dog is projected from an outer surface of the support piece, and a lock surface which can be engaged with the support piece is provided on a lock housing, Since the engaging grooves which can be engaged with each other are formed in the engaging surfaces of the hooking surface and the support piece, the displacement between the hooking surface and the support piece is prevented, and the mounting equipment is stably provided for a long period of time. Can be fixed.

According to a third aspect of the present invention, a locking groove is formed on the peripheral surface of the mounting equipment, and a convex portion engageable with the locking groove is provided on the inner surface of the support piece. The support piece can be easily and accurately and firmly attached to the position. The invention according to claim 4 is characterized in that an opening window communicating with the through hole is formed on the peripheral surface of the lock housing, and the unlocking means can be inserted into the opening window, and on the peripheral surface of the lock piece facing the opening window, An engagement hole into which the lock release means can be inserted is formed, and the lock piece can be retracted from the engagement groove via the lock release means. Equipment can be removed with one touch. Therefore, when the installation equipment is not used, it can be quickly removed, and effective use of the space and safety of traffic can be achieved.

According to a fifth aspect of the present invention, an opening window communicating with the through-hole is formed in the peripheral surface of the lock housing, and a knob is protrudingly provided on the peripheral surface of the lock piece facing the opening window. The mounting equipment can be removed with one finger by hand without using any means. According to the sixth aspect of the present invention, since the base end of the lock housing is configured to be able to be turned up and down or left and right, it is possible to increase the effective use of the space after removing the mounting equipment and to improve the safety of traffic. it can.

According to a seventh aspect of the present invention, a dog having an engagement groove, a dog insertion groove into which the dog can be inserted, and a lock piece communicating with the insertion groove and engageable with the engagement groove are slid. A lock housing having a through hole movably accommodated therein, wherein the lock piece is urged in the direction of the dog insertion groove, and the lock housing is integrally attached to mounting equipment to fix the dog immovably. By pushing the dog insertion groove into the dog after being attached to the body, the attachment equipment can be attached with one touch, and the attachment work can be simplified and the workability can be improved.

According to the invention of claim 8, an opening window communicating with the through hole is formed on the peripheral surface of the lock housing, and the unlocking means can be inserted into the opening window, and the lock piece is connected to the lock piece via the unlocking means. Since it is possible to retreat from the mating groove, the engagement between the lock piece and the engaging groove is released, and the mounting equipment can be removed with one touch. Therefore, when the installation equipment is not used, it can be promptly removed, and effective use of space and safety of traffic can be achieved.

According to the ninth aspect of the present invention, the engagement groove is provided with a slanted engagement surface which can be engaged with the edge of the lock piece, and when the engagement surface is engaged with the lock piece, the dog is provided on the dog. Since the pressing force acting in the insertion direction can be formed, the lock piece can be firmly locked, and the mounting equipment can be securely and safely mounted. In addition, a wide engagement area of the lock piece is secured on the engagement surface, and a slight assembly error between the lock piece and the dog can be allowed.

According to the tenth aspect of the present invention, the dog is movably accommodated along the dog insertion groove, and the relative position of the lock housing or the mounting equipment can be changed. Therefore, according to the situation on the mounting equipment side or the fixed body side. There is an effect that flexibility in mounting can be obtained. Therefore, dimensional management at each mounting position is eased, and rational mounting is possible. According to the eleventh aspect of the present invention, since the attachment equipment is a handrail member, the handrail member can be attached and detached with a single touch, so that the attachment work can be simplified and the workability can be improved.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention, showing a state in which a handrail member is attached.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a side view of FIG. 3;

FIG. 4 is an exploded perspective view showing a mounting bracket, a dog, a handrail receiver, and a handrail member applied to the present invention.

FIG. 5 is a perspective view showing an outer surface of a handrail receiver applied to the present invention.

FIG. 6 is a cross-sectional view taken along the line AA of FIG. 2, which is slightly reduced.

FIG. 7 is a cross-sectional view showing a state before mounting a handrail member according to the present invention.

FIG. 8 is a sectional view showing a state immediately before the handrail member is removed according to the present invention.

FIG. 9 is an enlarged sectional view showing a lock state of a lock piece when a handrail member is attached according to the present invention.

FIG. 10 is a perspective view showing a main part of a second embodiment of the present invention.

FIG. 11 is a cross-sectional view showing how a handrail member and a dog are attached in the second embodiment.

FIG. 12 is a perspective view showing a main part of a third embodiment of the present invention.

FIG. 13 is a front view showing a fourth embodiment of the present invention, in which a handrail member is attached.

FIG. 14 is an exploded perspective view showing a main part of the fourth embodiment.

FIG. 15 is a cross-sectional view showing a situation when the handrail member is attached in the fourth embodiment, and shows a situation where the lock piece is locked.

FIG. 16 is a cross-sectional view showing a state before attaching a handrail member in the fourth embodiment.

FIG. 17 is a cross-sectional view showing a state immediately before removal of a handrail member in the fourth embodiment.

FIG. 18 is an enlarged cross-sectional view showing a lock state by a lock piece when a handrail member is attached in the fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed body 2 Lock housing 5a Locking surface 6 Through hole 13 Lock piece 15 Opening window 16 Engagement hole 17 Lock release means 18, 25 Engagement groove 19 Dog insertion groove 20 Dog 21 Engagement groove 21a Upper engagement surface 21b Lower Side engaging surface 23 Supporting piece 30 Mounting equipment (handrail member) 31 Locking groove 32 Convex part 33 Pick

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-338115 (JP, A) JP-A-6-93694 (JP, A) Japanese Utility Model 63-155483 (JP, U) (58) Field (Int. Cl. ⁷ , DB name) A47G 29/00 E04F 11/18

Claims (11)

(57) [Claims] 1. A dog having an engagement groove formed therein, a dog insertion groove through which the dog can be inserted and withdrawn, and a lock piece which communicates with the insertion groove and can be engaged with the engagement groove so as to be slidably accommodated therein. And a lock housing provided with a through hole for urging the lock piece toward the dog insertion groove side, mounting the lock housing to an immovable fixed body, and integrally mounting the dog to mounting equipment. An attachment / detachment device for attachment equipment, characterized in that: 2. A support piece is attached to the outer peripheral surface of the mounting equipment, a dog is provided on the outer surface of the support piece, and a lock surface is provided on the lock housing so as to be engageable with the support piece. 2. The attachment / detachment device for attachment equipment according to claim 1, wherein an engagement groove capable of engaging with each other is formed on an engagement surface with the support piece. 3. The attachment / detachment device according to claim 2, wherein a locking groove is formed on a peripheral surface of the mounting equipment, and a convex portion engageable with the locking groove is provided on an inner surface of the support piece. 4. An opening window communicating with the through-hole is formed on a peripheral surface of the lock housing, and a lock releasing means can be inserted into the opening window, and the lock piece is provided on a peripheral surface of the lock piece facing the opening window. 2. The attachment / detachment device according to claim 1, wherein an engagement hole into which the release means can be inserted is formed, and the lock piece can be retracted from the engagement groove via the lock release means. 5. The attachment / detachment device according to claim 1, wherein an opening window communicating with the through hole is formed on a peripheral surface of the lock housing, and a knob is protrudingly provided on a peripheral surface of the lock piece facing the opening window. 6. The attachment / detachment device according to claim 1, wherein the base end of the lock housing is configured to be able to be turned up and down or left and right. 7. A dog having an engagement groove formed therein, a dog insertion groove into which the dog can be inserted, and a lock piece which communicates with the insertion groove and is engageable with the engagement groove. A lock housing provided with a through hole, the lock piece being urged in the direction of the dog insertion groove, the lock housing being integrally mounted on mounting equipment, and the dog being mounted on an immovable fixed body. An attachment / detachment device for mounting equipment. 8. An opening window communicating with the through hole is formed on a peripheral surface of the lock housing, and a lock releasing means can be inserted into the opening window, and the lock piece can be retracted from the engagement groove via the lock releasing means. The attachment / detachment device for an attachment facility according to claim 7, wherein 9. An engagement surface which is provided in the engagement groove so as to be engageable with an edge of the lock piece, and acts on the dog in the insertion direction when the engagement surface is engaged with the lock piece. The attachment / detachment device for the installation equipment according to claim 1 or 7, wherein the pressing force can be formed. 10. The attachment / detachment device according to claim 1, wherein the dog is movably accommodated along the dog insertion groove. 11. The attachment / detachment device according to claim 1, wherein the attachment facility is a handrail member.