JP2001239092A - Sandwiching tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sandwiching tool capable of surely sandwiching and fixing a sandwiching object with one hand in response to the thickness of the sandwiching object. SOLUTION: This sandwiching tool is composed of a body part 7 having a body spring part 9, a pair of arm parts 8 integrally formed in a part of the body part, a pair of sandwiching parts 11a, 11b mutually oppositely arranged in end parts of the arm parts, an engaging piece part 12 extended from the vicinity of at least one end part of the arm parts and an operation member 19 rotatably supported by a part of the body part, and is constituted so as to be capable of fixing a mutual interval of a pair of arm parts against spring force of the body spring part 9 by engagement of the operation member and the engaging piece part 12, so that objects of various thickness can be sandwiched and fixed with one hand. The sandwiching object can be inserted up to a deep part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a holding device for holding an object,
In particular, the present invention relates to a holding device capable of securely holding objects in response to objects having various thicknesses.

[0002]

2. Description of the Related Art Generally, a conventional holding device is a device in which a holding member made of synthetic resin, metal, wood, or the like is urged in a holding direction by a metal spring, such as a clothespin. Has been proposed. In such a type of holding device, the holding force for holding the object depends only on the urging force of the spring. Also,
In another conventional example, a plate-like elastic body having a substantially U-shaped cross section is deformed in a direction in which an opening becomes narrower, and the plate-like elastic body is used by being expanded when sandwiched.

[0003]

However, the above-mentioned holding device has the following problems. For example, in a pinching tool such as a clothespin, the pinching force for pinching an object depends only on the biasing force of the spring itself.If the elasticity of the spring deteriorates, the pinching force also decreases, and the object is not pinched securely. There was a drawback of getting out. Further, the conventional holding device disclosed here has a large number of components and a complicated manufacturing process. Further, when the thickness of the object to be sandwiched changes, the object cannot be reliably sandwiched, and when the object is thicker or thinner than a predetermined thickness, there is a possibility that the object may come off the holding tool.

[0004] It is an object of the present invention to provide a holding tool which can be securely held in accordance with the thickness of the holding object in order to improve the above-mentioned conventional disadvantages. It is still another object of the present invention to provide a general-purpose clamp having a small number of parts and a small number of failures. Another object of the present invention is to provide a general-purpose holding device that can be operated with one hand.

[0005]

In order to solve the above-mentioned problems, the present invention basically employs the following configuration. That is, the holding device according to the present invention includes a body portion having a body spring portion, a pair of arms included in the body portion and integrally formed, and an end portion of the arm portion facing each other. A pair of holding portions provided, an engagement piece portion extending from at least one end portion vicinity of the arm portion, and an operation member rotatably supported by a part of the main body portion. The engagement between the operating member and the engagement piece enables the mutual interval between the pair of arms to be fixed at a predetermined interval including abutment against the spring force of the main body spring portion. It is characterized by having.

[0006] Further, an engaging groove for engaging with the movable tip of the operating member is arranged on a partial surface of the engaging piece. Furthermore, a plurality of engagement grooves for engaging with the movable tip of the operation member are arranged on a partial surface of the engagement piece. An engaging projection for engaging with the engaging groove is provided on a movable tip portion of the operating member. Further, the engagement piece portion performs a deformation operation different from the deformation operation of the arm portion when the operation member is engaged with the engagement groove of the engagement piece portion. Further, the engaging piece is provided in an opening provided in the main body. The operation member is rotatably supported by a part of the main body, and is engaged with or disengaged from the engagement piece by rotating about the pivot. It is.

According to another aspect of the present invention, the operating member has a concave portion similar to the concave portion of the main body spring portion, and when the holding portion is fixed, the both form substantially the same concave portion. Is what you do. Further, the operation member is configured to be insertable into an opening provided in the main body. Further, an engagement protrusion is formed inside the concave portion and an operation piece portion is formed outside the concave portion at a movable tip portion of the operation member. An engagement protrusion is formed at an inner end of the concave portion at a movable distal end portion of the operation member, and an operation piece portion is formed at an outer end of the concave portion wider than the operation member. Further, the operating piece does not contact a part of the main body when operating the operating member. Further, the operation piece portion comes into contact with a part of the main body portion when operating the operation member, and the engagement projection and the engagement groove come into contact with each other from the middle. The operation piece portion contacts a part of the main body portion when operating the operation member, and also contacts the engagement protrusion and the engagement groove. Also,
The operation member is a member made of a rigid material and hardly deformed. The engagement groove,
It is characterized in that the engaging pieces are arranged at predetermined intervals in the longitudinal direction. The engaging piece has a fixed end at an end of the arm, the side surface is separated from the arm by a slit, and the movable tip is disposed in an opening formed in the main body. It is characterized by having been done. Further, the holding portion is formed integrally with the engagement piece portion,
When the engaging piece is engaged with the operating member, the holding portion is substantially parallel to another holding portion disposed to face. Still further, the main body, the holding portion, the arm, and the operating member are made of engineering plastic.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to solve the above-mentioned problems in the prior art, a holding device of the present invention is, for example, integrated with a main body having a main body spring and a part of the main body. And a pair of holding portions provided at the ends of the arms so as to face each other, and an engagement extending from at least one of the ends of the arms near the end thereof. And an operating member rotatably supported by a part of the main body. The engagement between the operating member and the engaging piece allows the mutual interval between the pair of arms to be reduced by the main body spring. Since it is configured to be able to be fixed against the spring force of the above, objects of various thicknesses can be pinched and fixed.
In addition, a sandwiching object can be inserted deeply.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a holding device according to an embodiment of the present invention. FIG. 1 is an exploded perspective view for explaining an embodiment of the holding device according to the present invention. Here, the holding tool 1 includes a main body 7 having a main body spring 9, a pair of arms 8 (8 a, 8 b) included in the main body 7 and integrally formed, and the arms 8. A pair of holding portions 11 provided opposite to each other at the movable tip portion
a, 11b, an engagement piece 12 extending from at least one end of the arm 8, and an operation member 19 rotatably supported by a part of the main body 7. By the engagement between the operation member 19 and the engagement piece 12, the mutual interval between the pair of arms 8a and 8b is brought into contact with each other against the spring force of the main body spring portion 9 or fixed at a desired interval. It is configured to be able to.

The main body 7 has, for example, a substantially U shape.
The holding portions 11a and 11b are always urged by the main body spring portion 9 so as to have a predetermined interval. The main body 7 is not limited to a U-shape, but may have a moderately curved shape or a U-shaped cross section. Body spring part 9
The arm 8 functions exclusively as a spring member.
What is necessary is just to be able to generate a biasing force so that the tip portions of a and 8b are always at a predetermined interval, and the shape and material thereof are not particularly limited.

The arm 8 may be formed, for example, symmetrically with the arms 8a and 8b, and has a base end 8a having a thickness that is difficult to deform.
The deformable moving end 8 b may be integrated with and extend from the main body spring 9. Further, a protruding member may be arranged inside the front end of the holding portion 11a to form a slip stopper 15 for preventing slip. Further, a member having a high coefficient of friction may be separately attached. Furthermore,
The slip stopper 16 may be formed at a corresponding position inside the distal end of the holding portion 11b. By fixing the operating member 19 to the main body spring 9 or the arm portion 11 at the engagement position, the holding member 11 is formed at the tip of the moving arm 8b and the tip of the arm 8a in the holding tool 1. The distance between the holding portion 11a and the holding portion 11a can be reduced, or can be brought into contact with each other. Further, by changing the engagement position between the main body spring portion 9 or the arm portion 8 and the operation member 19, that is, by changing the engagement between the plurality of engagement grooves 13 and the engagement protrusions 22, a pair of pinching is performed. The space between the portions 11a and 11b or the pressing force between the pair of sandwiching portions can be arbitrarily adjusted in a plurality of stages. Further, an engagement protrusion 22 that engages with the engagement groove 13 is provided at a movable distal end portion of the operation member 19.

An opening 17 extending to the arm 8b may be formed in the main body 7 at the center in the width direction. For example, an operation member 19 is rotatably supported in the opening 17 by a pin 18. Opening 1 extending to arm 8b
An engagement piece 12 that engages with the operation member 19 may be formed in the inside 7. The engagement piece 12 has a base end integrally formed near the movable distal end of the arm 8b and a pair of slits 14a provided in the width direction of the arm 8b.
By separating the side surface from the arm portion 8b at 14b, the side surface is formed so as to be integral with the arm portion and to perform an operation different from that of the arm portion.

The operation member 19 is rotatably supported by a pin 18 at a base end 8a which is a part of the main body 7, and rotates about the pin 18. Furthermore, the pin 18
It can be attached by inserting it from the side. Further, the operating member 19 is engaged with or released from the engaging piece 12 by rotating about the pivot portion. In the present invention, apart from FIG. 1, the operating member 19 is formed in, for example, a curved shape or a U-shape, one end of which is slidably attached to the main body spring portion 9 or the arm portion, and the other end thereof. May be provided with an engagement protrusion 22.

That is, as a specific example of the present invention, the holding portion 11
b, the arm 8b extends from the vicinity of the end of the arm 8b in the direction of the main body spring 9 and the operating member 19
Is provided with an engagement piece 12 that performs a deformation operation different from the deformation operation of the arm 8b when the engagement piece 12 is engaged with the engagement piece 12. More specifically, the holding section 11b is It may be formed integrally with the engaging piece 12, and when the engaging piece 12 is engaged with the operating member 19, the holding section 11 b is substantially parallel to the other holding section 11 a disposed to face. Becomes If this configuration example is described in more detail, the engagement piece 12
Has a plurality of engagement grooves 13 on the outer surface, and is supported in a cantilever state near the tip of the holding portion 11b. Therefore, when pressed from above, even if the arm portion 8b is inclined, the engagement piece portion 12 maintains a state substantially parallel to the arm portion 8a. In other words, the engagement piece 12 is erected from the vicinity of the tip of the arm 8b in the direction of the main body spring 9 and shows a movement different from the movement of the arm 8b when engaging with the operating member 19. Specifically, it may be located below the position of the arm 8b when viewed in the drawing. The operation of the engagement piece portion 12 is an extremely important operation, and a function of ensuring the engagement between the engagement groove 13 and the engagement protrusion 22 and generating a larger gripping force or a holding force with a small force. . Further, the operation piece 23 can be pressed with a small force enough to push the operation piece 23 along the roundness of the main body spring.

The operating member 19 includes a concave portion 21 of the main body spring portion 9.
A concave portion 20 which is substantially equal to
At the time of joining 1b, the two become curved concave portions which are almost coincident. An engagement protrusion 22 that engages with the engagement groove 13 of the engagement piece 12 is formed on an inner side of the operation member 19 at an end opposite to the axially supported end. The engagement projection 22 has a pointed projection shape and is formed continuously in the width direction. Furthermore,
At the end opposite to the pivotally supported end of the operation member 19, an operation piece 23 (23) slightly curved in the opposite direction to the recess 20 is provided outside.
a), (23b) and (23c) are formed. The operation piece 23 is easy to press from above when fixing the holding tool,
Further, in order to release the lock, a shape in which a finger is easily hooked is preferable.

The operating member 19 may be a rigid material or a material having spring characteristics. Further, the main body 7, the holding portion 11, the arms 8a and 8b, and the operation member 19 may be made of engineering plastic or the like.

Next, a specific example of the holding device of the present invention configured as described above will be described with reference to FIGS. The present invention is not limited to these, and as described above, a single engagement groove may be used. FIG. 2 is a perspective view showing a state where the holding tool is opened. In this state, the holding tool 1 has the maximum degree of opening, and can hold an object in the opening. After sandwiching things,
The operation piece 23 of the operation member 19 is pressed in the direction of arrow A with a fingertip while supporting the entire holding device.

FIG. 3 is a perspective view showing an operation in the course of closing the clamp 1. When the operation piece 23 is pressed in the direction of arrow A, the engagement groove 13 of the engagement piece 12 and the engagement protrusion 22 of the operation member 19 are engaged. Since a plurality of engagement grooves 13 are formed, the spacing or the pressing force can be adjusted arbitrarily, so that even if the opening portion of the holding member 11 has various thicknesses, it can be held and fixed at each position. I can do it. Here, since the engagement piece 12 bends differently from the arm 8b,
Engagement of the engagement protrusion 22 of the operation member 19 with the engagement groove 13 is ensured, and there is no loosening.

FIG. 4 shows a state in which the operating member 19 of the holding device 1 is further pressed to fix the opening portions of the holding portions 11a and 11b in contact with each other. Thus, the holding device 1 of the present invention can be held and fixed at various thickness positions by the plurality of engagement grooves 13.

FIGS. 5 to 7 are cross-sectional views of the holding device 1 from the opened state to the locked state, which are cut at the center of the holding device. FIG. 5 is a cross-sectional view showing a state where the holding device 1 is opened to the maximum extent. FIG. 6 is a cross-sectional view showing a state in which the holding tool is being closed. When the operation piece 23 is pressed with a fingertip or the like, the engagement protrusion 22 moves along the surface of the engagement piece 12 and sequentially engages with the plurality of engagement grooves 13. At this time, the engagement piece portion 12 shows an operation different from the changing operation of the arm portion 8b. In this example, the engagement piece portion 12 is displaced more downward than the arm portion 8b.
Since they are parallel to each other, the engagement groove 13 and the engagement protrusion 22 are securely engaged and do not come off.

FIG. 7 is a cross-sectional view showing a state where the holding portions 11a and 11b are further closed and fixed until the openings come into contact with each other. In this state, the concave portion 20 of the operating member 19 and the holding member 1
The first recess 21 substantially coincides with the first recess 21. Therefore, the object T can be inserted deeply.

FIG. 8 is an explanatory view showing the relationship between the operating piece 23a of the operating member 19 and the arm 8, and FIG. 9 is a sectional view showing the relationship between the operating piece 23a of the operating member 19 and the arm 8. It is.
In this embodiment, the operation piece 23 a is equal to the width H of the operation member 19 and can be freely inserted into the opening 17. Therefore, when the operation member 19 is operated, the engagement protrusion 22
Only the abutting piece 12 comes into contact with the engaging piece 12 and does not come into contact with the arm 8. For this reason, the holding parts 11a and 11b are
It will be pinched via 2.

FIGS. 10 and 11 are explanatory diagrams showing the relationship between the operation piece 23b of the operation member 19 and the arm 8 in the second embodiment of the present invention, and FIG. 12 is an operation diagram in the second embodiment. It is sectional drawing which shows the relationship between the operation piece part 23b of a member and the arm part 8. In this embodiment, the operation piece 23b is formed wider than the width of the operation member 19. The width of the opening 17 formed in the main body 7 is wider than that of the opening 17. Therefore, when the operating member 19 is operated to narrow the arm 8, the both ends B and C of the operating piece 23b first contact only a part of the arm 8 as shown in FIGS. Bend. At this time, the engagement protrusion 22 is not in contact with the engagement piece 12. Further, when the operation piece 23b is pressed, the engagement protrusion 22 and the engagement piece 12 also come into contact with each other, and both are engaged.
As described above, in the present embodiment, initially, only the arms 8 come into contact with both sides of the operation piece 23b, and then the engagement projections 22 and the engagement pieces 12 also come into contact.

FIGS. 13 and 14 are explanatory views showing the relationship between the operation piece 23c of the operation member 19 and the arm 8 in the third embodiment of the present invention, and FIG. 15 is an operation diagram in the third embodiment. FIG. 10 is a cross-sectional view illustrating a relationship between an operation piece 23c of a member 19 and an arm 8; In this embodiment, the operation piece 23c is formed wider than the width of the operation member 19. Also, the main body 7
The opening 17 is formed wider than the width of the opening 17. Therefore, when the operating member 19 is operated to narrow the arm portion 8, as shown in FIGS.
End portions D and E of the arm 8 abut against a part of the arm 8, and the engaging projection 22 abuts on the engaging piece 12 at the same time. When the operation piece 23c is further pressed, the engagement protrusion 22 and the engagement groove 13 of the engagement piece 12 are engaged and locked.

FIG. 16 is an overall perspective view showing a fourth embodiment of the holding device of the present invention. In the present embodiment, a string hook 24 extending horizontally from the main body spring 9 is formed. The other parts are the same as those in the above-described embodiment, and the description is omitted. A hole is formed in the strap hanging portion 24,
By tying a string S or the like to this hole, the entire holding device can be fixed, and can be used for various purposes such as a hat closure, a clothespin, a mobile phone strap, and the like.

In the above-described embodiment, the hole formed in the string hanging portion 24 is shown as a square example, but may be a circle, an oval, or the like.

The present invention is not limited to the above-described embodiment, and various design changes can be made based on the technical concept of the present invention.

[0028]

According to the first effect of the present invention, it is possible to securely hold and fix the object in accordance with the thickness of the object to be sandwiched. The reason is that by changing the engagement position between the operating member and the engagement piece,
This is because the interval between the holding portions can be changed. Further, since the number of parts is only the holding member, the operating member and the shaft pin, and no spring member is required, the manufacturing process can be significantly simplified. Furthermore, it can be provided at low cost with few failures.

The second effect is that the object can be fixed while being inserted deeply. The reason is that the curved concave portion of the main body spring portion and the curved concave portion of the operation member have substantially the same curvature, and when fixed (at the time of locking), they become substantially the same. Also, it can be easily operated with one hand. Furthermore, the size can be freely changed without being limited to this.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view illustrating an embodiment of a holding device according to the present invention.

FIG. 2 is a perspective view showing an open state of the holding device.

FIG. 3 is a perspective view showing an operation during the closing of the holding device.

FIG. 4 is a perspective view showing a state in which the holding device is closed and fixed.

FIG. 5 is a cross-sectional view showing a state in which the holding device is opened and cut at the center.

FIG. 6 is a cross-sectional view showing the same partway in the course of closing.

FIG. 7 is a cross-sectional view showing a state in which the holding tool is closed and fixed.

FIG. 8 is an explanatory diagram illustrating a relationship between an operation piece and an arm of an operation member.

FIG. 9 is a cross-sectional view illustrating a relationship between an operation piece and an arm of the operation member.

FIG. 10 is an explanatory diagram illustrating a relationship between an operation piece and an arm of an operation member according to a second embodiment of the present invention.

FIG. 11 is an explanatory diagram showing a relationship between an operation piece and an arm of the operation member according to the second embodiment.

FIG. 12 is a sectional view showing a relationship between an operation piece and an arm of the operation member according to the second embodiment.

FIG. 13 is an explanatory diagram illustrating a relationship between an operation piece and an arm of an operation member according to a third embodiment of the present invention.

FIG. 14 is an explanatory diagram illustrating a relationship between an operation piece and an arm of an operation member according to a third embodiment of the present invention.

FIG. 15 is a cross-sectional view illustrating a relationship between an operation piece and an arm of the operation member according to the third embodiment.

FIG. 16 is an overall perspective view showing a fourth embodiment of the holding device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nipping tool 7 Main part 8 Arm part 8a Base end part of arm 8b Moving end part of arm 9 Main body spring part 11a, b Nipping part 12 Engagement piece 13 Engagement groove 14a, b slit 15 Slip stop 16 Slip stop 17 Opening 18 Pin 19 Operating member 20, 21 Recess 22 Engagement projection 23 Operating piece 23 a, b, c Operating piece 24 String hook

Claims (20)

[Claims] 1. A main body having a main body spring, a pair of arms included in the main body and integrally formed, and an end of the arm provided opposite to each other. A pair of holding portions, an engagement piece extending from at least one end of the arm, and an operating member rotatably supported by a part of the main body; A gripper characterized by being configured to be able to fix a mutual interval between a pair of arm portions against a spring force of a main body spring portion by engagement of a member and an engagement piece portion. 2. The holding tool according to claim 1, wherein an engaging groove for engaging with the movable tip of the operating member is arranged on at least a part of the surface of the engaging piece. 3. The holding tool according to claim 2, wherein a plurality of engaging grooves for engaging with the movable distal end of the operating member are arranged on at least a part of the surface of the engaging piece. . 4. The holding tool according to claim 1, wherein an engagement protrusion for engaging with the engagement groove is provided at a movable tip portion of the operation member. 5. The arm according to claim 5, wherein the engaging member performs a deformation operation different from the deformation operation of the arm when the operating member is engaged with the engagement groove of the engagement member. Item 5. The holding device according to any one of Items 1 to 4. 6. The holding tool according to claim 1, wherein the engaging piece is provided in an opening provided in the main body. 7. The operating member is rotatably supported by a part of a main body, and is engaged or disengaged with an engaging piece by rotating about a supporting portion. The holding device according to any one of claims 1 to 6, wherein the holding device is provided. 8. The holding device according to claim 1, wherein the operation member has a concave portion similar to a concave portion of the main body spring portion. 9. The holding tool according to claim 1, wherein the operating member is configured to be inserted into an opening provided in the main body. 10. The movable tip of the operation member, wherein an engagement protrusion is formed inside the concave portion and an operation piece portion is formed outside the concave portion. The holding device described in Crab. 11. The operating member according to claim 1, wherein an engagement protrusion is formed at an inner end of the concave portion at a movable distal end of the operation member, and an operation piece portion is formed at an outer end of the concave portion wider than the operation member. 11. The holding tool according to any one of claims 10 to 10. 12. The holding tool according to claim 11, wherein the operation piece is configured not to contact a part of the main body when operating the operation member. 13. The operation piece portion is configured such that when operating the operation member, the operation piece portion first contacts a part of the main body portion, and thereafter, the engagement protrusion and the engagement groove come into contact with each other. The holding tool according to claim 11, wherein 14. The operation member according to claim 1, wherein the operation piece contacts a part of the main body when the operation member is operated, and the engagement protrusion and the engagement groove also contact each other. Item 1
2. The holding device according to 1. 15. The holding tool according to claim 1, wherein the operation member is a member made of a rigid material that is difficult to deform or a member having a spring characteristic. 16. The holding tool according to claim 1, wherein the engagement grooves are provided at predetermined intervals in a longitudinal direction of the engagement piece. 17. The engaging piece has a fixed end near a movable tip of an arm, and a side surface is separated from the arm by a slit, and at least the movable tip is a main body. The holding device according to any one of claims 1 to 16, wherein the holding device is disposed in an opening formed in the portion. 18. The holding portion is formed integrally with the movable tip of the arm portion, and the holding portion is opposed to another holding portion when the engagement piece engages with the operating member. The holding tool according to any one of claims 1 to 17, wherein the holding tool is substantially parallel to the holding member. 19. A structure in which an interval between the pair of holding portions or a pressing force generated between the pair of holding portions is adjusted by changing an engagement position between the engagement piece and the engagement projection. The holding device according to any one of claims 1 to 18, wherein the holding device is provided. 20. The holding device according to claim 1, wherein the main body, the holding portion, the arm, and the operation member are made of engineering plastic.