JPH0415919Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a telescoping gate consisting of a plurality of vertical bars that are connected via links so that they can be spaced from and approached each other.

Conventional technology Gates in which a plurality of vertical bars connected by links are relatively spaced apart or brought close to each other to extend or contract are conventionally known, and when the gate is contracted, adjacent vertical bars is what comes into contact with. These types of gates are packed and put on the market in a deflated state, but in order to prevent damage to the vertical bars caused by adjacent vertical bars colliding with each other due to vibration during transportation, the vertical bars are An elastic spacer material was inserted in between.

Problems that the invention aims to solve Conventional telescoping gates like the ones mentioned above use spacer materials between the vertical bars, so when they are retracted and closed, adjacent vertical bars collide with each other.
There was a risk of making an unpleasant collision sound, pinching the user's fingers, and damaging the vertical beam.

An object of the present invention is to provide a telescoping gate that can be contracted to a state with a predetermined interval between vertical bars and that does not rattle in the inner and outer directions of the gate when contracted.

Means for Solving the Problems In order to solve the above problems, the telescopic gate according to the present invention includes a first set collar having a width smaller than the width of the vertical bars and links, and a first set collar having a width larger than the width of the vertical bars and links. a second set color having
The first set collars are arranged alternately in the direction of expansion and contraction of the gate, and the first set collar forms a recess together with the vertical bars and links provided opposite to each other, and the second set collar protrudes into the recess when the gate is contracted and It comes into contact with the first set collar and is surface-engaged with the opposed vertical bars and links.

Embodiments Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.

FIG. 1 shows a telescopic gate 1 according to the present invention in an extended state, and the telescopic gate 1 is connected in parallel by links 4 of a link mechanism 3, and is made up of a plurality of vertical bars 2 that can be separated from and approached each other. It is attached to the gatepost via a hinge 6.

The link mechanism 3 includes a long link mechanism 3a in which each link 4 connects four vertical bars 2 adjacent in the gate expansion/contraction direction, and a long link mechanism 3a in which each link 4 connects two vertical bars 2 adjacent in the gate expansion/contraction direction. It consists of a short link mechanism 3b. Link 4 of long link mechanism 3a
The vertical beams 2 are connected via first and second movable support shafts 7 and 8, a third movable support shaft 9, and a first fixed support shaft 10. The link 4 of the short link mechanism 3b is the fourth
The vertical beams 2 are connected via a movable support shaft 11 and a second fixed support shaft 12. The links 4, 4 of the long link mechanism 3a and the short link mechanism 3b intersect with the floating support shaft 1 below the vertical beam 2.
Connected by 3. The second movable support shaft 8 and the fourth movable support shaft 11 are attached to the lower part of every other vertical bar 2 and are located at the same height. Each link 4 of the long and short link mechanisms 3a and 3b
is supported by each support shaft. Each link 4 is clamped and fixed on its respective support shaft by a set collar made of synthetic resin so that the pivot position of the link 4 is not displaced.

A cap 14 is provided at the upper end of each vertical bar 2, which also functions as a spacer for separating the vertical bars 2 by a predetermined distance when the gate is retracted. Furthermore, casters 19 are attached to the lower ends of the vertical beams 2 located at the most extreme end in the gate extension direction and at the center in the direction.

As shown in FIG. 2, each vertical beam 2 is made of a hollow member having a substantially rectangular cross section, and has a link side wall portion 2a with a space portion 15 at the center in the width direction. Flat chamfered portions 2b are formed at the four corners of each vertical bar 2. The chamfered portion 2b extends along the entire length of the vertical bar 2 in the longitudinal direction. Each link 4 installed opposite to the vertical beam 2 is
It is made of a hollow member having a substantially rectangular cross section with the same width as the vertical bar 2, and has a vertical bar side wall portion 4a. A flat chamfered portion 4b extending along the entire length of the link 4 in the longitudinal direction is formed at the four corners of each link 4.

The telescoping gate 1 consists of a pair of vertical bars 2, 2 which are provided perpendicularly to the gate expansion/contraction direction, that is, facing inward and outward directions of the gate, with space portions 15, 15 facing each other. The pair of vertical bars 2, 2 are connected by two link mechanisms 3, 3 provided apart from each other in the inside and outside directions of the gate.

In the figure, reference numerals 16 and 17 indicate first and second ring-shaped set collars having a rectangular cross section, and the first and second set collars 16 and 17 are made of synthetic resin. , are arranged between the vertical bars 2 and links 4 that are arranged opposite to each other. 1st set color 1
6 is fitted to both ends of the second movable support shaft 8 through its center shaft hole, and the second set collar 17 is fitted to both ends of the fourth movable support shaft 11 through its center shaft hole. has been done. In this way, the first set collars 16 and the second set collars 17 are arranged alternately in the gate extension/contraction direction.

Each first set collar 16 has a width smaller than the width of the vertical bar 2 and the link 4, and a portion thereof protrudes into the corresponding vertical bar 2, and has a circumferential pore 16a formed at a predetermined location. It is in sliding contact with the link side wall portion 2a of the vertical beam 2 through the link. The pore 16a partially accommodates the link side wall portion 2a of the corresponding vertical bar 2. Reference numeral 16b indicates the link side wall portion 2a of the vertical beam 2 and the link 4 which are arranged in parallel.
It is an abutting body part that forms a recessed part that opens in the gate contraction direction together with the vertical beam side wall part 4a.

A portion of the second set collar 17 protrudes into the corresponding vertical bar 2, and is inserted through a circumferential hole 17a formed at a predetermined location and accommodating a portion of the link side wall 2a of the vertical bar 2. Link side wall part 2 of vertical beam 2
It is in sliding contact with a. The second set collar 17 is connected to the adjacent first set collar 16 when the gate is retracted.
It consists of a protruding part 17b having a width large enough to make contact with the contact body part 16b of the protruding part 17b.
has the same thickness as the abutting body portion 16b, and the link side wall portion 2a of the vertical beam 2 and the vertical beam side wall portion 4 of the link 4
It is sandwiched between a.

Further, an intermediate set collar 18 made of synthetic resin is provided between the two link mechanisms 3 and between the links 4 of each link mechanism 3.

Each second movable support shaft 8 and fourth movable support shaft 11
The ends reach into the longitudinal bars 2, 2 and are riveted to the corresponding set collars 16 or 17.

Figure 3 is a similar diagram to Figure 2, and is a telescopic gate 1.
This shows a modification example in which curved chamfered portions 2b and 4b are formed at the four corners of the vertical beam 2 and the link 4.

When the telescopic gate 1 according to the present invention is contracted as shown in FIG. 2 from the extended state shown in FIG. The section is guided by the opposing chamfered portions 2b and 4b of the vertical bar 2 and the link 4 connected via the adjacent second movable support shaft 8, and then connected to the link side wall 2a of the vertical bar 2 and the link 4.
The first set collar 16 is brought into contact with the contact body part 16b of the first set collar 16 over the entire length in the thickness direction while being in contact with the vertical bar side wall part 4a of the first set collar 16. At this time, the tip of the protrusion 17b is
On both sides thereof, the link side wall 2a of the vertical bar 2 and the vertical bar side wall 4a of the link 4 are surface-engaged, so when the gate is contracted, the vertical bar 2 wobbles in the direction of the inside and outside of the gate. is prevented.

Incidentally, contrary to the above embodiment, the first set collar 16 may be attached to the fourth movable support shaft 11, and the second set collar 17 may be attached to the second movable support shaft 8. Furthermore, the mounting positions of the first and second set collars 16 and 17 are not limited to the second and fourth movable support shafts 8 and 11, but may be on other support shafts. Furthermore, the first and second set collars 16 and 17 may be attached between the links 4 and 4 instead of between the vertical beam 2 and the link 4. Further, the first and second set collars 16 and 17 are not limited to ring-shaped ones.

Effects of the invention As mentioned above, in the telescopic gate according to the invention, the protruding part of the second set collar has a width large enough to come into contact with the adjacent first set collar before the vertical bars come into contact with each other when the gate is retracted. has. Therefore, when the gate is retracted, the first and second set collars reduce the contact noise caused by the contact between the longitudinal bars,
Prevent damage to vertical beams.

Further, since both side surfaces of the tip of the protruding portion of the second set collar are surface-engaged with the link side walls of the vertical beam and the vertical beam side walls of the link, the telescopic gate does not rattle when the gate is contracted.

[Brief explanation of drawings]

FIG. 1 is a front view of the telescopic gate according to the present invention, FIG. 2 is a sectional view taken along the line in FIG. 1 in a closed state, and FIG. 3 is a sectional view showing another embodiment of the present invention. be. 1... Telescopic gate, 2... Vertical beam, 3... Link mechanism, 4... Link, 7... First movable support shaft, 8...
Second movable support shaft, 9... Third movable support shaft, 10... First fixed support shaft, 11... Fourth movable support shaft, 12... Second fixed support shaft, 16... First set collar, 17...
...Second set collar, 18...Intermediate set collar, 2b, 4b...Chamfered portion.

Claims (1)

[Scope of claims for utility model registration] [1] A plurality of vertical bars 2 and support shafts 7, 8, 9, 1
0, 11, 12, and a link mechanism 3 having a plurality of links 4 connecting the vertical bars 2 in parallel so that they can be separated from and approached each other, and the links 4 are connected to the support shafts 7, 8, 9, 10, 11, 12
In a retractable gate door which is pivotably supported by the longitudinal bar 2 and the link 4 and has a set collar interposed between the vertical bar 2 and the link 4 that are arranged opposite to each other, the width is smaller than the width of the vertical bar 2 and the link 4. and second set collars 17 having a width larger than the width of the vertical bar 2 and the link 4 are provided alternately in the gate expansion/contraction direction, and the first set collars 16 have A recess is formed together with the vertical beam 2 and the link 4, which are arranged opposite to each other, and the second
A telescopic gate characterized in that, when the gate is contracted, the set collar 17 protrudes into the recessed portion and abuts the first set collar 16, and also engages in surface engagement with the vertical bars 2 and links 4 provided opposite to each other. [2] Chamfered portions 2b and 4b are formed at opposite corners of the vertical beams 2 and links 4, and when the gate is retracted, the chamfered portions 2
The telescopic gate according to claim 1, wherein b and 4b guide the second set collar 17 when it enters the recess.