JP7154964B2 - shock absorber - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorber, and more particularly to a shock absorber capable of uniformly and firmly attaching an elastic material to the side surface of a wooden panel.

In educational facilities and welfare facilities, special consideration must be given to the safety of users. For this reason, it is desirable that protruding portions of furniture and walls should be rounded and have elasticity as much as possible in order to prevent injury in the event of a collision.

For the same reason, the door is also required to have a curved side surface and to be fitted with an elastic material. Especially in the case of kindergartens and nursery schools, where the main target audience is infants and toddlers, even if a part of the body such as a finger or hand gets caught in the gap between the doors when opening and closing the door, it will not lead to injury. It is required to do so. Therefore, consideration must be given to attaching a material that has elasticity and a margin for crushing to the side of the door.
The collapse margin is the difference between the normal state and the collapsed state of the elastic material, and it is necessary to secure about 7 mm or more with reference to the thickness of the finger of an infant.

By the way, in order to attach an elastic material such as elastic rubber to the side of a door made of wooden material, a groove is formed in the side, the elastic material is fitted in the groove, and then an adhesive is used. Fixing an elastic material is often performed (for example, Patent Document 1).

JP 2013-167134 A

However, in order to fit the elastic material into the groove on the side surface of the door and then fix the elastic material using an adhesive, the elastic material must be pressed into the groove from the side surface, and the force of the press-fitting is applied to the elastic material. Due to its elasticity, it does not transmit well, so it is difficult to fit it evenly without any gaps. Therefore, since the elastic material needs to have hardness enough to withstand press-fitting, it is difficult to give the elastic material a crushing margin of about 7 mm or more.

In addition, it is also possible to fix the elastic material to the side of the door using adhesive without providing grooves or protrusions, but bending and gaps are likely to occur, so it is necessary to work carefully and take time. be. In addition, relying only on the adhesive strength of the adhesive makes it easier for the elastic material to come off from areas where the adhesive has deteriorated or from gaps. had to be fixed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a shock absorber capable of uniformly and firmly attaching an elastic material to the side surface of a wooden panel.

In order to achieve the above object, the present invention provides a shock absorber having an elastic member and a fixing member to be attached to the side surface of a wooden panel, wherein the wooden panel has a concave groove formed in the side surface thereof, and the elastic member is attached to the side surface of the wooden panel. The member is formed in a long shape that can be arranged on the side surface of the wooden panel, and the fixing member has a holding portion that holds the elastic member and a fixing portion that is fitted into the groove of the wooden panel. , the holding portion and the fixing portion vertically extending downward from the center of the holding portion are configured to have a substantially T-shaped cross section.

According to the cushioning device of the present invention, elastic material can be uniformly and firmly attached to the side surface of the wooden panel. Furthermore, when the resilient material deteriorates, it can be replaced relatively easily with new resilient material.

1 is a front view showing a sliding door provided with shock absorbers of the present invention; FIG. 1 is a cross-sectional view of a cushioning device of the present invention; FIG. Shows members constituting the shock absorber of the present invention, (a-1) and (a-2) are cross-sectional and cross-sectional perspective views of the elastic member, (b-1) and (b-2) are cross-sections of the fixing member 1 and a cross-sectional perspective view, (c-1) and (c-2) are a cross-sectional view and a cross-sectional perspective view of a wooden panel. BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which shows the state which the finger was pinched by the sliding door to which the shock absorber of this invention was attached, (a) is a single sliding door type sliding door, (b) is a double sliding door type sliding door. It is explanatory drawing which shows the simple example of the attachment method of the shock absorber of this invention. It is explanatory drawing which shows the modification using the buffer of this invention, (a) is the example used for the frame material, (b) is the example used for furniture (table).

Preferred embodiments of the present invention will be described below with reference to the drawings.
The wooden panel 7 is a wooden material obtained by processing wood, and there are various kinds of materials.

FIG. 1 is a front view showing a single sliding door type sliding door 1 provided with shock absorbers 3 according to this embodiment.
The shock absorber 3 is attached over the entire side surface of the sliding door 1, as shown in FIG. In this way, the shock absorber 3 is used, for example, on the side surface of a door such as the sliding door 1 to reduce the impact when the sliding door 1 and the frame member 2 come into contact with each other, and also to reduce the gap between the sliding door 1 and the frame member 2. It is blocked.
Moreover, the shock absorber 3 is effective even when the building is tilted and the frame member 2 is tilted, and the gap between the sliding door 1 and the tilted frame member 2 can be closed in this case.
In addition, by using the shock absorber 3, even if a part of the body such as a finger or a hand is accidentally caught between the sliding door 1 and the frame member 2 during the opening/closing operation of the sliding door 1, injury can be prevented. .
In addition, as shown in FIG. 1, the shock absorber 3 may be attached not only over the entire side surface of the sliding door 1, but also, for example, only near the center where the handle of the sliding door 1 is located. , can be attached only to a part of the side surface of the sliding door 1. - 特許庁

FIG. 2 is a cross-sectional view of the shock absorber 3 of the present invention, and the shock absorber 3 is composed of an elastic member 5 and a fixing member 6. As shown in FIG.
As shown in FIG. 2, the shock absorber 3 is fixed by fitting it into a recessed groove 7a formed in the side surface of the wooden panel 7 (for example, the side surface of the sliding door 1 made of a wooden material). and an elastic member 5 held by being sandwiched between the fixing member 6 and the side surface of the wooden panel 7, and the elastic member 5 reduces impact.
Since the fixing member 6 has a flat shape along the side surface of the wooden panel 7 , the cushioning device 3 is attached to the side surface of the wooden panel 7 while maintaining the cavity inside the elastic member 5 .

Next, referring to FIG. 3, the elastic member 5 and the fixing member 6, which are members constituting the shock absorber 3, will be specifically described. FIG. 3 shows the members constituting the cushioning device 3 of this embodiment, and is a cross-sectional view and a cross-sectional perspective view of the elastic member 5, the fixing member 6, and the wooden panel 7, respectively.

[Elastic member]
As shown in FIGS. 3(a-1) and 3(a-2), the elastic member 5 is formed in a long cylindrical shape, and has a surface portion 5a made of a soft material and a bottom portion 5b made of a hard material. Consists of The surface portion 5a of the elastic member 5 has a substantially semicircular cross section, and a part of the bottom surface portion 5b has an opening 5c that is larger than the bottom surface 60a of the concave portion 60 of the fixing member 6, which will be described later. formed. That is, the elastic member 5 is composed of a surface portion 5a having a hollow semicircular shape, and a bottom portion 5b, which is partially opened 5c and held on the side surface of the sliding door 1. As shown in FIG.
As the material of the elastic member 5, for example, a rubber material such as EPDM rubber, which is excellent in impact resilience, water resistance, and weather resistance, can be used.
In this manner, by forming the surface portion 5a of the elastic member 5 in a semicircular shape and using a rubber material such as EPDM rubber for the elastic member 5, the impact can be reduced.

The cross-sectional shape of the surface portion 5a of the elastic member 5 is not limited to a semicircular shape, and may be, for example, a rectangular shape, a concave shape, or a convex shape. It may have a shape with a dent for attaching metal fittings or the like to be attached more firmly.
Next, the surface portion 5a and the bottom portion 5b that constitute the elastic member 5 will be described.

The surface portion 5a is a portion that appears on the front side of the side surface of the wooden panel 7 when the elastic member 5 is attached to the wooden panel 7, and corresponds to a semicircular curved portion.
A sponge material such as EPDM sponge, for example, can be used as the soft material for the surface portion 5a.
As described above, the surface portion 5a is made of a soft material and is formed in a rounded curved shape, so that when the door is opened and closed, a part of the body such as a finger or hand may be caught in the gap of the door. Even so, the elasticity of the surface portion 5a can reduce the impact and prevent injuries.

The bottom portion 5b is a portion that abuts on the side surface of the wooden panel 7 and is sandwiched by the fixing members 6, and corresponds to straight portions positioned on both sides of the lower end of the semicircular curved portion.
Further, the bottom surface portion 5b is formed so as to enter the internal cavity symmetrically about the opening 5c when the elastic member 5 is not attached to the wooden panel 7. As shown in FIG.
By making the bottom surface portion 5b inclined so as to enter the cavity inside the elastic member 5, when the elastic member 5 is attached to the wooden panel 7, the elastic member 5b tends to return to the original position of the bottom surface portion 5b. Using the force, the gap between the bottom surface portion 5b of the elastic member 5 and the side surface of the wooden panel 7 can be filled. Furthermore, since the bottom surface portion 5b of the elastic member 5 and the side surface of the wooden panel 7 are in close contact with each other, the surface portion 5a projects to the front side by the amount of this inclination, and a crushing margin can be secured.

Further, since the bottom portion 5b needs to have increased rigidity so as not to expand outward when held by the side surface of the wooden panel 7 and the fixing member 6, a solid material such as EPDM solid is used.
In this way, the portion held by the side surface of the wooden panel 7 and the fixing member 6 is the bottom surface portion 5b, so that the elastic member 5 with the soft surface portion 5a touched by fingers or hands can be used as the wooden panel. 7 can be firmly attached.

In addition to the EPDM rubber, the elastic member 5 may be made of other rubber or resin materials such as natural rubber, chloroprene rubber, silicone resin, vinyl chloride resin, ABS resin, polypropylene resin, and the like. But it is possible.
Depending on the material selected from these materials, the surface portion 5a may be a sponge material, but in the case of vinyl chloride resin, the surface portion 5a and the bottom portion 5b may be made of the same material by simply changing the hardness. can be formed. When materials having the same hardness are used, a thinner material is used for the surface portion 5a, and a thicker material is used for the bottom surface portion 5b. and the bottom portion 5b.

[Fixing member]
As shown in FIGS. 3(b-1) and 3(b-2), the fixing member 6 is composed of a holding portion 6a and a fixing portion 6b. It is designed to withstand the The fixing member 6 is formed integrally with a holding portion 6a and a fixing portion 6b vertically extending downward from the center of the holding portion 6a so as to have a substantially T-shaped cross section.
Thus, by forming the fixing member 6 to have a substantially T-shaped cross section, the elastic member 5 can be easily inserted between the fixing member 6 and the wooden panel 7, and the rigidity of the fixing member 6 can be utilized. By doing so, the elastic member 5 can be firmly attached.
As the material of the fixing member 6, for example, a synthetic resin such as hard vinyl chloride resin (PVC) can be used in order to withstand impacts during fixing and to improve durability and impact resistance.

The holding portion 6 a is composed of a concave portion 60 and a curved portion 61 and holds the elastic member 5 .
Since the holding portion 6a has a flat shape, it is possible to hold the elastic member 5 to the wooden panel 7 while securing the crushing margin of the elastic member 5 .

The recess 60 is formed at a position where the holding portion 6a and the fixing portion 6b intersect, and the bottom surface 60a is formed in a concave shape with a width wider than the width of the groove 7a of the wooden panel 7, and the bottom surface 60a is fixed to the wooden panel 7. face.
By providing the recessed portion 60 in the fixing member 6 , the bottom surface 60 a of the recessed portion 60 and the side surface of the wooden panel 7 abut in parallel, so that the fixing member 6 can be uniformly fixed to the side surface of the wooden panel 7 . As a result, the fixing member 6 can uniformly hold the elastic member 5 as a whole.
In addition, by providing the recess 60 in the fixing member 6, the fixing member 6 is evenly abutted against the side surface of the wooden panel 7. Therefore, when the fixing member 6 is fixed inside the recess 60 using a screw or a tacker, it can be accurately fixed. There is an advantage that the fixed position can be grasped and the positioning is easy.

The curved portions 61 are formed on both sides of the concave portion 60 so as to curve outward while being depressed at the center. This makes it easier to secure a gap between the holding portion 6a of the fixing member 6 and the side surface of the wooden panel 7. As shown in FIG.
Specifically, when the fixing member 6 is fixed to the wooden panel 7 , the curved portion 61 has a gap between the recessed portion of the curved portion 61 and the side surface of the wooden panel 7 . is formed to be narrower than the thickness of As a result, the recessed portion of the curved portion 61 serves as a holding surface for holding the bottom surface portion 5b of the elastic member 5 between the side surface of the wooden panel 7 and the wooden panel 7. As shown in FIG.
As shown in FIGS. 3(b-1) and 3(b-2), the holding portion 6a has a shape in which the entire curved portion 61 is gently curved. It may have a recessed shape, or may have a plurality of recesses.
When forming a plurality of dents, the curved portion 61 is extended further outward, and by providing a plurality of dents in the extended curved portion 61, the elastic member 5 matching the size of the side surface of the wooden panel 7 is formed. can be installed.

The fixing portion 6b is fixed to the wooden panel 7 by being fitted into the groove 7a of the wooden panel 7. As shown in FIG.
A plurality of serrated projections are formed in the width direction of the groove 7a so as to bite into the wall surface of the groove 7a when the fixing member 6 is fixed to the wooden panel 7 on the fixing portion 6b.
The saw-toothed protrusions are arranged at regular intervals, and the slopes of the saw-toothed protrusions are formed so as to face the bottom surface of the grooves 7 a of the wooden panel 7 .
By providing such a saw-toothed projection on the fixed portion 6b, the elastic force of the projection makes it easier to fit the fixed portion 6b into the groove 7a. , making it difficult for the fixing member 6 to come off from the wooden panel 7.例文帳に追加Further, even if there is a slight difference between the width of the fixing portion 6b and the groove width of the wooden panel 7, the difference can be adjusted by forming a saw-toothed protrusion.

The material of the fixing member 6 may be other resin such as ABS resin, AES resin, or PP resin other than vinyl chloride resin, and may also be metal such as aluminum. be.

[wood panel]
The wooden panel 7, as shown in FIGS. 3(c-1) and 3(c-2), is a wooden material obtained by processing wood, and examples thereof include plywood, particle board, fiber board, and laminated wood.
The wooden panel 7 has a concave groove 7a extending longitudinally through its side surface, and the width of the groove 7a is slightly smaller than the width of the fixing portion 6b of the fixing member 6. As shown in FIG. Further, since the width of the groove 7 a is formed narrower than the bottom surface 60 a of the recess 60 of the fixing member 6 , the bottom surface 60 a of the recess 60 can be used as a fixing surface with the wooden panel 7 .

[How to attach shock absorbers]
A method of attaching the shock absorber 3 made of such members to the side surface of the wooden panel 7 will be described below.
When attaching the shock absorber 3 of this embodiment to the side surface of the wooden panel 7, first, as a first step, after forming the groove 7a in the side surface of the wooden panel 7, the fixing portion of the fixing member 6 is inserted into the groove 7a. 6b is fitted and fixed.
Specifically, a groove 7a having the same length as the length to which the shock absorber 3 is to be attached is formed in the side surface of the wooden panel 7. As shown in FIG. Next, the fixing portion 6b of the fixing member 6 is fitted into the groove 7a until the bottom surface 60a of the concave portion 60 of the fixing member 6 contacts the side surface of the wooden panel 7. As shown in FIG. Here, when the fixing member 6 is firmly fixed, a screw or a tacker is driven into the recess 60 toward the groove 7a. At this time, the length of the screw or tacker is longer than the depth of the groove 7a of the wooden panel 7, and the screw or tacker is used for fixing.
Alternatively, the fixing member 6 and the side surface of the wooden panel 7 may be fixed by pouring an adhesive into the groove 7a in advance without using a screw or a tacker.
Furthermore, before using a screw or a tucker, an adhesive is poured into the groove 7a, and the fixing portion 6b of the fixing member 6 is fitted into the groove 7a and fixed with the adhesive. Alternatively, screws or tackers may be used for fixing.

Next, as a second step, the elastic member 5 is sandwiched between the side surface of the wooden panel 7 and the fixing member 6 .
Specifically, the bottom portion 5b of the elastic member 5 is inserted between the side surface of the wooden panel 7 and the curved portion 61 of the fixing member 6 from the end on the opening 5c side, and sandwiched. At this time, since the gap between the curved portion 61 of the fixing member 6 and the side surface of the wooden panel 7 is formed to be narrower than the thickness of the bottom surface portion 5b of the elastic member 5, the bottom surface portion 5b of the elastic member 5 is , is inserted between the side surface of the wooden panel 7 and the curved portion 61 while pushing the curved portion 61 upward.
Thus, when the bottom surface portion 5b of the elastic member 5 is sandwiched between the side surface of the wooden panel 7 and the curved portion 61 of the fixing member 6, the curved portion 61 that has been pushed upward and elastically deformed returns to its original shape. The bottom surface portion 5b of the elastic member 5 is firmly sandwiched by the elastic force that tends to return to the inner surface and is firmly held between the side surfaces of the wooden panel 7.例文帳に追加

Finally, as a third step, if necessary, an adhesive is injected between the bottom surface portion 5b of the elastic member 5 and the side surface of the wooden panel 7 to fix the cushioning device 3 to the wooden panel 7. Finish the installation.
Specifically, an adhesive containing a volatile organic compound is injected between the bottom portion 5b of the elastic member 5 and the side surface of the wooden panel 7 to fix them. At this time, the adhesive is not used as a whole, but as a part or ancillary.
This is because the elastic force of the holding portion 6a of the fixing member 6 sandwiches the bottom portion 5b of the elastic member 5 between the side surface of the wooden panel 7 and holds the elastic member 5 uniformly and firmly. This is because there is no need to use an agent.
As a result, dissolution of the elastic member 5 due to volatile substances in the adhesive can be minimized, and deterioration of the elastic member 5 can be suppressed. Moreover, when the elastic member 5 deteriorates, it can be easily replaced with a new elastic member 5 because no adhesive is used for the whole.

Alternatively, as shown in FIG. 5, the holding portion 6a of the fixing member 6 is inserted into the cavity inside the elastic member 5 in advance, and while maintaining that state, The fixing member 6 may be fixed by fitting the fixing portion 6b into the groove 7a.
That is, after the adhesive is poured into the groove 7a in advance, the fixing portion 6b of the fixing member 6 is temporarily arranged in the groove 7a, and the surface portion 5a of the elastic member 5 is hit from the front side with a hammer or the like to be fixed. Become.
At this time, it is preferable to interpose a backing material or the like between the elastic member 5 and the hammer so that the elastic member 5 is not damaged.
As a result, the fixing portion 6b of the fixing member 6 enters deep into the groove 7a, and the plurality of sawtooth-shaped projections formed on the fixing portion 6b are also caught on the wall surface of the groove 7a, and the adhesive strength of the adhesive is combined. Thus, the fixing member 6 is firmly fixed to the side surface of the wooden panel 7 while holding the elastic member 5 .

In this way, the cushioning device 3 can be attached to the side surface of the wooden panel 7 uniformly and firmly with the elastic member 5 by relatively simple attachment, and even when the elastic member 5 deteriorates, the elastic member 5 can be replaced. can also be done easily. Furthermore, since the cushioning device 3 of the present invention has a simple structure, it can be easily repaired and can be used anywhere.

FIG. 4(a) is a single sliding door type sliding door 1, and FIG. 4(b) is a double sliding door type sliding door 1, each of which is attached with a shock absorber 3 of the present invention, showing a state in which a finger is pinched.
In this way, the cushioning device 3 of the present invention can be applied to various sliding doors 1. Further, (a) between the sliding door 1 and the frame material 2, (b) between the sliding doors 1 and 1 Even if a finger is caught in the elastic member 5, the elastic member 5 is crushed. The elasticity can prevent the finger from hitting the fixing member 6 .
In other words, the elastic member 5 of the cushioning device 3 has elasticity and crushing margin to the extent that it does not lead to injury, so that the impact can be reduced.
Further, by using the shock absorber 3, even if the finger is pinched, the finger can be easily pulled out with a small force, and the elastic member 5 returns to its original shape due to its elastic force when the finger is pulled out.

Although preferred embodiments of the shock absorber 3 of the present invention have been described above, the shock absorber 3 according to the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the present invention.
For example, in the above-described embodiment, the cushioning device 3 of the present invention is used for the sliding door 1 such as "single sliding door" or "double sliding door (divided door)", but the two sliding doors 1 can be moved left or right. It can be used for a variety of doors, such as a "double sliding door" that can be opened and closed at the same time, and a "hinged door" that can be opened and closed back and forth.
In addition, it can be used for wooden panels 7 other than doors, and as modifications, for example, the side of a screen, the side of a counter, the side of a frame member 2 as shown in FIG. As shown, the cushioning device 3 of the present invention can also be used on the side surfaces of furniture (tables). In addition, in the case of the furniture (table) shown in FIG. 6(b), by using the cushioning device 3, the protruding part of the furniture (table) can be made into a rounded curved shape, so that it is possible to Injuries can be prevented.
In this way, when opening and closing the door, in addition to reducing the impact when a part of the body such as a finger or hand is caught in the gap of the door, the cushioning device 3 is also attached to the protruding parts such as furniture and walls. In this case, it is possible to reduce the impact when colliding with the projecting portion.

Reference Signs List 1 sliding door 2 frame member 3 buffer 5 elastic member 5a surface portion 5b bottom portion 5c opening 6 fixing member 6a holding portion 60 recess 60a bottom (fixing surface)
61 curved portion (holding surface)
6b fixing part 7 wooden panel 7a groove

Claims (3)

In a shock absorber having an elastic member and a fixing member attached to the side surface of a wooden panel,
The wooden panel has a concave groove formed on its side surface,
The elastic member is formed in a long shape that can be arranged on the side surface of the wooden panel,
The fixing member has a holding portion that holds the elastic member and a fixing portion that is fitted into the groove of the wooden panel, and is composed of the holding portion and the fixing portion that extends vertically downward from the center of the holding portion. The cross section is formed to be almost T-shaped,
The holding portion has a recess at a position that intersects with the fixing portion, and has curved portions that hold the elastic member on both sides of the recess,
The curved portion is configured such that when the fixing member is fixed to the wooden panel, the gap between the recessed elastic member holding portion of the curved portion and the side surface of the wooden panel is narrower than the thickness of the bottom portion of the elastic member. formed in
A shock absorber characterized by 2. The shock absorber according to claim 1, wherein said curved portion has a shape in which only a part thereof is recessed. 2. The shock absorber according to claim 1, wherein said curved portion has a plurality of depressions.

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