CN211118163U - Movable joint fastening device - Google Patents
Movable joint fastening device Download PDFInfo
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- CN211118163U CN211118163U CN201921977485.4U CN201921977485U CN211118163U CN 211118163 U CN211118163 U CN 211118163U CN 201921977485 U CN201921977485 U CN 201921977485U CN 211118163 U CN211118163 U CN 211118163U
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- wire coil
- steel wire
- nut
- fastening device
- arc
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Abstract
The utility model relates to a fastening device, in particular to a movable joint fastening device for connecting a hose and a hard pipe, which comprises a clamp and a fastener, wherein the clamp consists of a steel wire coil and a nut, the steel wire coil is bent into a structure with a semicircular middle part and parallel straight lines at the end part, the nut is fixedly connected at the straight line end part of the steel wire coil, and the plane of the steel wire coil is mutually vertical to the hole surface of the nut; the fastener is a bolt matched with the nut, and the bolt extends into the steel wire coil; still include the arc gasket, the arc gasket is located wire coil and is close to nut one side. The movable joint fastening device of the utility model consists of a steel wire coil, a bolt, a nut and an arc gasket, the raw materials have wide sources, can be obtained from local sources, can select proper raw materials according to the diameter size, the connection requirements and the like of an actual hose and a hard pipe, has simple preparation method and wide application range; and the clamp does not need to be purchased independently or a specific joint is selected, and the joint fastening cost is reduced.
Description
Technical Field
The utility model relates to a fastener especially relates to a movable joint fastener that is used for hose and hard tube to be connected.
Background
In industrial production, the connection of a hose and a hard tube is a common and common connection mode, and common applicable sizes can be as small as 10mm and as large as 200 mm. The joint needs to be able to withstand the pressure difference of the connection section so as not to cause the connection between the hose and the hard tube to be disconnected. The common connection mode is connection of a hoop and an anchor ear, the connection mode is compact and attractive, but the connection mode is only applicable to the connection positions of some closed pressure pipelines with low pressure, and special threaded joint hoses are required to be used for pipelines with high pressure. For an open system pipeline, the pressure borne by a joint is much smaller, except for connection by using a hoop/hoop, one or more steel wires are usually twisted into one piece for fastening and can bear certain tensile force, but the connection has the weakest fastening effect, and the steel wire sections are easy to scratch and the like.
Although the need for connecting the hose and the hard pipe is common in industrial production, the number of hoops for connection is not large, or the required size range is too large and too large, so that problems are difficult to achieve or spare parts are used when extra requirements are needed, and the hoops are often fastened by tightening steel wires. Hose joint damage often can appear in this kind of mode, and the fastening effect is still not good condition, causes the condition of frequently taking off pipe, water or material splash, brings huge potential safety hazard, water or material waste.
The placement of equipment is often preferred in new houses or installations of equipment, which also results in a wider range of hose connections in production. The hose connection with the threaded joint has the advantages that the cost of the joint is greatly increased, and the application range is limited.
SUMMERY OF THE UTILITY MODEL
To above technical problem, the utility model provides a loose joint fastener for hose and hard tube coupling has both overcome the little problem of staple bolt fastening pressure, has realized the preparation of using materials on the spot again, has solved the problem of fastener purchase alone, spare part stock uniformity difficulty.
The utility model adopts the following technical scheme:
a movable joint fastening device comprises a hoop and a fastener, wherein the hoop is composed of a steel wire coil and a nut, the steel wire coil is bent into a structure with the middle part in a semicircular shape and the end parts in a mutually parallel straight line shape, the nut is fixedly connected to the straight line end parts of the steel wire coil, and the plane of the steel wire coil is mutually vertical to the opening surface of the nut; the fastener is a bolt matched with the nut, and the bolt extends into the steel wire coil; still include the arc gasket, the arc gasket is located wire coil and is close to nut one side.
Further, the fastening device comprises at least one arc-shaped gasket, and a plurality of arc-shaped gaskets are in a concentric structure and are uniformly distributed around a fastening object.
Further, the arc gasket surface has smooth punching structure.
Furthermore, the surface of one side of the arc gasket close to the fastening object is provided with a pit protruding structure.
Furthermore, the surface of one side of the arc gasket close to the fastening object is provided with a convex or concave texture structure.
Furthermore, the thickness of the arc gasket is 2-5mm, and the arc gasket is made of rigid metal.
Further, let the outer diameter of the bolt be d0The width of the arc gasket is d1The width of the arc gasket satisfies d0≤d1＜2d0。
Further, let the radius of the circle into which the wire coil is bent be R1The radius of the fastening object is R, and the radius of the arc gasket is R2The radius of the arc gasket satisfies that R is less than or equal to R2＜R1。
Furthermore, the coil diameter of the steel wire coil is 2-5 mm.
The utility model discloses a movable joint fastener has following beneficial effect:
(1) the movable joint fastening device of the utility model consists of a steel wire coil, a bolt, a nut and an arc gasket, the raw materials have wide sources, can be obtained from local sources, can select proper raw materials according to the diameter size, the connection requirements and the like of an actual hose and a hard pipe, has simple preparation method and wide application range; and the clamp does not need to be purchased independently or a specific joint is selected, and the joint fastening cost is reduced.
(2) The utility model discloses a movable joint fastener is provided with the arc gasket near nut one side in wire coil, and the arc gasket supports and leans on the hose for the bolt twists the fastening force of applying the hose and disperses through the arc gasket, avoids appearing the hose nipple damage but the still not good phenomenon of fastening effect, helps protecting the hose and improves the withstand voltage scope of hose.
(3) The utility model discloses a movable joint fastener sets up level and smooth structure of punching a hole or protruding or sunken line structure on arc gasket surface, helps increasing arc gasket and fastening object's contact friction, increases the fastening effect.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of a movable joint fastening device of the present invention;
FIG. 2 is a perspective view of another embodiment of the movable joint fastening device of the present invention;
fig. 3 is a schematic size structural diagram of an embodiment of the movable joint fastening device of the present invention;
FIG. 4 is a schematic structural view of an arc-shaped gasket according to an embodiment of the fastening device for a movable joint of the present invention;
in the figure: 1-steel wire coil, 2-nut, 3-bolt and 4-arc gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A movable joint fastening device comprises a clamp and a fastening piece, as shown in figures 1-2, the clamp is composed of a steel wire coil 1 and a nut 2, the steel wire coil 1 is bent into a structure with a semicircular middle part and parallel straight lines at the end part, the nut 2 is fixedly connected to the straight line end part of the steel wire coil 1, and the plane of the steel wire coil 1 is vertical to the opening surface of the nut 2; the fastener is a bolt 3 matched with the nut 2, and the bolt 3 extends into the steel wire coil 1; still include arc gasket 4, arc gasket 4 is located wire coil 1 and is close to nut 2 one side.
The utility model discloses a movable joint fastener comprises steel wire coil 1, nut 2, bolt 3, arc gasket 4, and above-mentioned raw materials source is extensive, can use materials on the spot, can select suitable raw materials according to the diameter size and the connection requirement of actual hose and hard tube, and preparation method is simple, and application scope is wide; and the clamp does not need to be purchased independently or a specific joint is selected, and the joint fastening cost is reduced.
Preferably, in some embodiments of the present invention, the straight ends of the bent wire coil are welded to two mutually parallel faces of the outer side of the nut, and the wire coil is entirely on a horizontal plane. In the use process, the welded steel wire coil with the nut is sleeved on the hose, the hose is connected with the hard pipe, the arc-shaped gasket is padded on one side, close to the nut hole, of the hose, the bolt is screwed, and the hose and the hard pipe are fastened. Through leaning on the arc gasket on the hose for the fastening force accessible arc gasket that the bolt was applyed to the hose after the twist disperses, avoids appearing the hose nipple damage but the still not good phenomenon of fastening effect, helps protecting the hose and improves the withstand voltage scope of hose.
Specifically, in some embodiments of the present invention, including at least one arc gasket 4, the plurality of arc gaskets 4 are concentric structures and are uniformly distributed around the fastening object. As shown in fig. 2, as another embodiment of the present invention, two arc-shaped washers 4 are provided, which are respectively located at one side close to the hole of the nut 2 and the opposite side. Set up multiunit arc gasket 4, more help applying the dispersion of the fastening force on the hose to bolt 3, also increase the lifting surface area of hose, improve the holding capacity of hose to avoid appearing the hose nipple damage.
More specifically, as shown in fig. 1 and 3, the outer diameter of the bolt 3 is d0The width of the arc-shaped gasket 4 is d1The width of the arc-shaped gasket 4 satisfies d0≤d1＜2d0. The width of the arc-shaped gasket 4 is set to ensure that the fastening force applied to the hose by screwing the bolt 33 can be completely acted on the arc-shaped gasket 4 and then transmitted to the hose through the arc-shaped gasket 4; and the cost increase and resource waste caused by the excessively wide width of the arc gasket 4 are avoided.
Specifically, as a preferred embodiment of the arc gasket of the present invention, as shown in fig. 4, the surface of the arc gasket 4 has a smooth punching structure. As another preferred embodiment of the arc gasket 4 of the present invention, a side surface of the arc gasket 4 close to the fastening object has a pit protruding structure or a raised or recessed texture structure (not shown in the figure). The arrangement of the punching structure or the pockmark structure and the grain structure is beneficial to increasing the contact friction force of the arc-shaped gasket 4 and a fastening object and increasing the fastening effect. More specifically, the pockmark structure or the raised or recessed texture may be regular or irregular, and the texture may be continuous or discontinuous. The utility model discloses do not specifically limit here, any other feasible designs that can realize increasing arc gasket and fastening object's contact friction's arc gasket all belong to the utility model discloses a protection scope.
Specifically, in some embodiments of the present invention, the thickness of the arc gasket 4 is 2-5mm, and the arc gasket 4 is made of a rigid metal material.
Specifically, in some embodiments of the present invention, as shown in fig. 3, the circular radius formed by bending the steel wire coil 1 is R1The radius of the fastening object is R, and the radius of the arc-shaped gasket 4 is R2The radius of the arc-shaped gasket 4 satisfies that R is less than or equal to R2＜R1. The design of the radius of the arc-shaped gasket 4 ensures that the arc-shaped gasket can be arranged in the steel wire coil 1 and can be attached and contacted with a fastening object, namely a hose to the maximum extent, so that a good fastening force dispersion effect is achieved.
Specifically, in some embodiments of the present invention, the wire coil 1 has a coil diameter of 2-5 mm.
The utility model discloses a movable joint fastener is when using, and concrete flow is: firstly, bending a steel wire into a structure with a semicircular middle part and mutually parallel straight lines at the end parts, wherein the whole structure is on a horizontal plane; welding the linear end of the bent steel wire to two mutually parallel surfaces on the outer side of the nut, so that the plane where the steel wire is located is perpendicular to the opening surface of the nut; sleeving a welded steel wire coil to be screwed on the hose, and connecting the hose with the hard pipe; and (3) the arc-shaped gasket is padded at one side of the hose close to the nut hole, and the nut is screwed down to fasten the hose and the hard tube active joint.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (9)
1. A movable joint fastening device comprises a clamp and a fastening piece, and is characterized in that the clamp is composed of a steel wire coil and a nut, the steel wire coil is bent into a structure with a semicircular middle part and parallel straight lines at the end part, the nut is fixedly connected to the straight line end part of the steel wire coil, and the plane of the steel wire coil is perpendicular to the opening surface of the nut; the fastener is a bolt matched with the nut, and the bolt extends into the steel wire coil; still include the arc gasket, the arc gasket is located in the steel wire coil is close to nut one side.
2. The movable joint fastening device of claim 1, comprising at least one arcuate shim, a plurality of said arcuate shims being in a concentric configuration and evenly distributed about the fastening object.
3. The articulating joint fastening device of claim 1, wherein the arcuate shim surface has a smooth punched configuration.
4. The articulating joint fastening device of claim 1, wherein the arcuate spacer has a pocketed protrusion on a surface thereof proximate the fastening target.
5. The movable joint fastening device according to claim 1, wherein the arcuate spacer has a convex or concave pattern on a side surface thereof adjacent to the fastening object.
6. The articulating joint fastening device of claim 1, wherein the arcuate spacer has a thickness of 2-5mm and is a rigid metal.
7. The movable joint fastening device according to claim 1, wherein the outer diameter of the bolt is set to d0The width of the arc gasket is d1The width of the arc gasket satisfies d0≤d1＜2d0。
8. The movable joint fastening device according to claim 1, wherein the wire coil is bent to have a circular radius R1Fastening objectRadius of R, radius of the arc-shaped gasket R2The radius of the arc gasket satisfies that R is less than or equal to R2＜R1。
9. The articulating joint fastening device of claim 1, wherein the wire coil has a coil diameter of 2-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977485.4U CN211118163U (en) | 2019-11-15 | 2019-11-15 | Movable joint fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977485.4U CN211118163U (en) | 2019-11-15 | 2019-11-15 | Movable joint fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118163U true CN211118163U (en) | 2020-07-28 |
Family
ID=71699398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921977485.4U Active CN211118163U (en) | 2019-11-15 | 2019-11-15 | Movable joint fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118163U (en) |
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2019
- 2019-11-15 CN CN201921977485.4U patent/CN211118163U/en active Active
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