CN201277400Y - Hose clamping apparatus - Google Patents
Hose clamping apparatus Download PDFInfo
- Publication number
- CN201277400Y CN201277400Y CNU2008200136938U CN200820013693U CN201277400Y CN 201277400 Y CN201277400 Y CN 201277400Y CN U2008200136938 U CNU2008200136938 U CN U2008200136938U CN 200820013693 U CN200820013693 U CN 200820013693U CN 201277400 Y CN201277400 Y CN 201277400Y
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- CN
- China
- Prior art keywords
- clamping device
- hose
- flexible pipe
- diameter
- pipe bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model relates to a flexible pipe clamping device, which comprises a flexible pipe joint. The flexible pipe clamping device is characterized in that the flexible pipe clamping device also comprises an inner conical nut and a pipe screw bolt which are mutually matched, wherein an end of the inner conical nut with big bore diameter is a screw-in end, the end with small bore diameter corresponding to the end with big bore diameter is a terminal end of the inner conical nut, an inner screw thread of the inner conical nut is a conical screw thread, the small diameter A of the screw thread on the terminal end of the inner conical nut is slightly bigger than the outer diameter of the flexible pipe, more than two long-striped ports which are in parallel with a central shaft are evenly distributed on the screw thread end of the pipe screw bolt along the pipe wall circumference direction, and the inner diameter C of the central hole is slightly bigger than the outer diameter of the flexible pipe. The flexible pipe clamping device is safe and practical, and has simple structure, good using performance, good economic benefits and wide application. The flexible pipe clamping device not only can be made of metal materials, but also can be made of non-metal materials, and can be widely used in various aspects of production, living, industry and agriculture, and good economic benefits and social benefits can be generated.
Description
Technical field
The utility model relates to hose clip, relates in particular to a kind of hose clamping device.
Background technique
As everyone knows, no matter vehicle, equipment still are in the daily life, no matter are used to carry liquid or gas, no matter be normal pressure user mode or high pressure user mode, the use of hose clamping device can be found everywhere, and its use amount is big, using scope is wide, is self-evident.And existing hose clamping device, the simple and crude connection as town gas pipe joint place of structure is tightened with wire, and for example factory is on-the-spot purges the shower nozzle of usefulness or shoots high compression gas delivery hose such as spray gun with U type folder screw-clamped, all exist in varying degrees that loading and unloading are inconvenient, the sealingly secure performance is bad, the easy scratch personnel of wedge angle corner angle or damage flexible pipe or the like problem; Complex structure.(publication number CN1605005A) is disclosed as PCT patent application 02825291.8, see Fig. 1, Fig. 2, application number 01802897.7 (publication number CN1420975A and for example, notice of authorization CN1187550C) described, see Fig. 3, Fig. 4, on the one hand its complex structure, usually must be with full-metallic manufacturing, processing cost height, need use special tool during its installation or removal on the other hand, dismounting bothers, not attractive in appearance, when if flexible pipe is hard, then be difficult to install; Simultaneously, above-mentioned two kinds of structures also all exist the problem to the high high-voltage tube insufficient clamping force of pipe internal pressure.Easily scrape the people when being used for such as on the nozzle of gas station or construction site.
Summary of the invention
In view of the above-mentioned deficiency of existing in prior technology, the utility model be intended to propose a kind of safe and practical, simple in structure, usability is good, economic benefit is good, widely applicable, especially can use the hose clamping device of nonmetal manufacturing.
Technical solution of the present utility model is achieved like this:
A kind of hose clamping device comprises hose coupling, it is characterized in that also comprising the interior flare nut and the pipe bolt that cooperatively interact, and the large aperture end of described interior flare nut is for being screwed into end, and the small aperture end corresponding with it is the end of interior flare nut; The internal thread of flare nut is a tapered thread in described, and the screw thread path A of described interior flare nut end is slightly larger than hose outside diameter; The threaded end of described pipe bolt is along uniform rectangular mouthful of paralleling with central shaft more than 2 of tube wall circumferencial direction, and its center hole internal diameter C is slightly larger than hose outside diameter.
Screwing force in order to reduce to install and improve sealability, rectangular mouthful of answering folding reason quantity, and guarantee rectangular mouthful of width satisfy under the situation of grip both hose as far as possible little.
The external peripheral surface of described pipe bolt is along its smooth department that axially comprises the screw section and do not have screw thread, and described screw section is away from the pipe bolt head, and described smooth department is near the pipe bolt head, and the diameter of described smooth department is less than the screw thread path of described screw section.
In order to reduce screwing force, when described interior flare nut cooperated with the pipe bolt under the user mode, according to the size of required clamping force, interior flare nut not exclusively was screwed into, the pipe bolt keeps one section screw thread, and the diameter of remaining not threaded part is also thin as far as possible less than the external diameter of pipe bolt.The screw thread of pipe bolt and the thread pitch of interior flare nut are slightly larger.
In order to increase clamping force, it is reliable that it is connected, or when being used for the bigger occasion of working pressure, the inboard, two ends of described pipe bolt has a flange respectively, and described flange internal diameter is slightly larger than the external diameter of flexible pipe; Away from the described flange of pipe bolt head and the cooperation place of flexible pipe is that clamped position is an arc.
The end of described hose coupling has more than one Drop-proof convex edge, and the external diameter of described convex edge matches with inner diameter.
Along the end of the described hose coupling end direction to joint, the external diameter of described Drop-proof convex edge increases successively.
The boss platform that the pipeline section of no Drop-proof convex edge forms in that level and smooth the increasing of an external diameter arranged near inner portion on the described hose coupling, the external diameter end and the described flexible pipe of described boss platform closely cooperate, and described boss platform is the pipeline section of hose coupling and the connected portion of tube head.
The pipeline section of described no Drop-proof convex edge is longer than described pipe bolt, and its length difference is 0.1 δ～2 δ, and δ is a thickness of soft tube, and the thin end external diameter of described no Drop-proof convex edge pipeline section is less than the convex edge external diameter of minimum.
Described hose coupling is the joint that connects the symmetric shape that is connected as a single entity of the direction more than 2, is used for the connection between the flexible pipe more than 2.
Flare nut has annular knurl with the external peripheral surface of pipe bolt head in described.
The position mounting hole that is provided with perpendicular to axial direction of the radial outside of flare nut and pipe bolt head in described.
The radially-outer surface of flare nut and pipe bolt head can be circular in described, and the frictional force when increasing hand-tight make-up is convenient to manual clamping, described in the radially outer round surface of flare nut and pipe bolt head can be on lathe annular knurl.When diameter is big, can be in described the position mounting hole of offering perpendicular to axial direction of flare nut and the radial outside of pipe bolt head so that the rotation degree of tightness when in this hole, filling in auxiliary such as rod and being used for the two loading and unloading.External diameter hour, the radially-outer surface of interior flare nut and pipe bolt head can be a hexagonal shaped.
Clamping principle of the present utility model is: in the pipe bolt is screwed into during flare nut, the diameter of inlet end that enters the inner cone nut on the pipe bolt is along with the increase that is screwed into the degree of depth diminishes gradually, thereby realizes grip both hose.
The rectangular mouthful following calculating of width: the thickness of looking the hardness of flexible pipe and flexible pipe is considered radially to depress the degree of depth of flexible pipe can calculate rectangular mouthful width easily according to the degree of depth of depressing with after opening rectangular mouthful quantity and considering to leave suitable clamping surplus.Obviously, the pressure angle of screw thread is little, need not very big strength get final product grip both hose.
Rectangular mouthful width calculates and is exemplified below:
As shown in figure 14,
D
1The initial inside diameter (being slightly larger than inner diameter) of-pipe bolt center hole
D
2The internal diameter of pipe bolt center hole after the-grip both hose
The width that W-is rectangular mouthful
The number that n-is rectangular mouthful
Δ i-girth is poor
If the initial inside diameter of pipe thread pinching end is D
1, the internal diameter after the grip both hose is D
2, then the girth difference after the grip both hose is Δ i=(D1-D2) π, and this girth difference is evenly distributed on each rectangular mouthful, and then each width of rectangular mouthful is
Consider the negative deviation of machining error and flexible pipe and should leave a little surplus, actual (tube) length Tiaokou width should be greater than W.In order to guarantee sealing, rectangular mouthful of width after the grip both hose is the smaller the better, so rectangular mouthful width should not be big more too many than result of calculation, to be advisable more greatly.
If the degree of depth of radially depressing is big, the entry end aperture of flare nut increases in needing, and at this moment, the diameter of bore of pipe bolt is constant, and the Major Diam of pipe bolt increases.
When being used for clamping simultaneously identical and the flexible pipe that wall thickness is different of several internal diameters, described in the size constancy of flare nut, as long as joining the pipe bolt of several different inner diameters can meet the demands, the diameter of bore of interior flare nut designs by the flexible pipe of thickest.
Compared with prior art, effect of the present utility model is conspicuous:
(1) simple in structure, easy to use: installing/dismounting is convenient, and clamping force is regulated in visual specific requirement, even can fully manually load and unload;
(2) usability is good, safe and reliable: only need less screwing force, it is firm to connect, and good airproof performance;
(3) beautiful shape practicality is not hurted sb.'s feelings, and does not damage flexible pipe;
(4) cost is low: the utility model both can adopt metallic material to make, and can also adopt nonmetallic material to make, as plastics, and not fragile, thereby can realize recycling; Because the utility model is the coupled flexible pipe of easy damaged not, greatly reduce the loss of material, saved a large amount of manpower and materials and financial resources, have good overall economic efficiency.
(5) applicability is good, demand is huge, market prospects are good, economic benefit is very considerable: the utility model can be widely used in the every aspect of productive life, industry agricultural, especially comprise that at current various natural resourcess material energy etc. faces under the overall background of exhaustive exploitation, use of the present utility model will produce good economic benefit and social benefit.
Description of drawings
Fig. 1, Fig. 2 are the schematic representation of existing hose clamping device;
Fig. 3, Fig. 4 are the another kind of schematic representation of existing hose clamping device;
Fig. 5 is embodiment 1 a structural representation;
Fig. 6 is the schematic representation of interior flare nut;
Fig. 7 is the plan view of pipe bolt;
Fig. 8 is the left view of pipe bolt;
Fig. 9 is embodiment 2 a structural representation;
Figure 10 is the structural representation of embodiment 3 pipe bolt;
Figure 11 and 12 is used for the schematic representation that connects between two flexible pipes;
Figure 13 is used for two hose coupling schematic representation to connect between the top hose;
Figure 14 is the variation schematic representation about center bore before and after the pipe bolt grip both hose.
Embodiment
Now in conjunction with the accompanying drawings the utility model is described further:
Embodiment 1
A kind of hose clamping device, as shown in Figure 5, comprise the hose coupling 4 coaxial, interior flare nut 1 and pipe bolt 2 with flexible pipe 3, the external diameter of described hose coupling 4 matches with the endoporus aperture of flexible pipe 3, flare nut 1 in described, as shown in Figure 6, its large aperture end is for being screwed into end, and the small aperture end corresponding with it is the end of interior flare nut 1; The internal thread of flare nut 1 is a tapered thread in described, and the screw thread path A of described interior flare nut 1 end is slightly larger than hose outside diameter; Described pipe bolt 2, as Fig. 7, shown in Figure 8, its threaded end is along uniform rectangular mouthful of paralleling with central shaft more than 2 of tube wall circumferencial direction, and its center hole internal diameter C is slightly larger than hose outside diameter.When using this hose clamping device grip both hose, at first hose coupling 4 is inserted flexible pipe 3, screw on the pipe bolt 2 after, again interior flare nut is screwed into end from it and tightens the pipe bolt gradually, the diameter of managing the inlet end that enters inner cone nut 1 on the bolt 2 is along with the increase that is screwed into the degree of depth diminishes gradually, thus realization grip both hose 3.
Obviously, the pressure angle of screw thread is little, and strength that need not be very big can grip both hose 3.
Screwing force in order to reduce to install and improve sealability, rectangular mouthful of answering folding reason quantity, and guarantee that rectangular mouthful of width is as far as possible little under the situation that satisfies grip both hose 3.
In order to reduce screwing force, can be screwed at the screw thread of pipe bolt 2 and hold one section screw thread of reservation, the diameter of remaining not threaded part is also thin as far as possible less than the external diameter of pipe bolt 2.The screw thread of pipe bolt 2 and the thread pitch of interior flare nut 1 are slightly larger.
If the degree of depth of radially depressing is big, the entry end aperture of flare nut 1 increases in needing, and at this moment, the diameter of bore of pipe bolt 2 is constant, and the Major Diam of pipe bolt 2 increases.
When being used for clamping simultaneously identical and the flexible pipe 3 that wall thickness is different of several internal diameters, described in the size constancy of flare nut 1, as long as joining the pipe bolt 2 of several different inner diameters can meet the demands, the diameter of bore of interior flare nut 1 designs by the flexible pipe 3 of thickest.
The radial outside of the head of flare nut 1 and pipe bolt 2 can be circular in described, described in the radially outer round surface of 2 on flare nut 1 and pipe bolt can be on lathe annular knurl, the frictional force when increasing hand-tight make-up with this.When the radial dimension of interior flare nut 1 and pipe bolt 2 is big, can be in described the position perforate 5 perpendicular to axial direction of radial outside of head of flare nut 1 and pipe bolt 2, as Fig. 6, shown in Figure 7, so that in this hole 5, fill in the rotation degree of tightness that rod is used for the two when loading and unloading.In described the radial dimension of flare nut 1 and pipe bolt 2 hour, interior flare nut 1 and pipe bolt 2 head Chengdu radially-outer surfaces can be hexagonal shapeds.
As shown in Figure 9, be another embodiment of hose clamping device.Different with 1 of embodiment be in, for the reliability that improves connection or be used for the bigger occasion of working pressure, the end of its hose coupling 4 has one group of Drop-proof convex edge 8, the external diameter of described Drop-proof convex edge 8 near or be slightly larger than flexible pipe 3 internal diameters; Along the end of described hose coupling 4 end direction to joint, the external diameter of described Drop-proof convex edge 8 increases successively; The boss platform 7 that the pipeline section of no Drop-proof convex edge forms in that level and smooth the increasing of an external diameter arranged near inner portion on the described hose coupling 4, the external diameter end and the described flexible pipe of described boss platform 7 closely cooperate, and described boss platform 7 is the pipeline section of hose coupling and the connected portion of tube head.The pipeline section of described no Drop-proof convex edge is than described pipe bolt 2 length, and the length difference of the two is about thickness of soft tube δ, and the thin end external diameter of described no Drop-proof convex edge pipeline section is less than the convex edge external diameter of minimum.
As shown in figure 10, also be an embodiment of the present utility model, different with 2 of embodiments be in, the inboard, two ends of described pipe bolt 2 has a flange 9 and 9 ' respectively, described flange 9 and 9 ' internal diameter are slightly larger than the external diameter of flexible pipe; Away from the described flange 9 of 2 on pipe bolt and the cooperation place of flexible pipe is that clamped position is an arc.This design also is in order to increase clamping force, it to be connected reliably, or be used for the bigger occasion of working pressure.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (10)
1, a kind of hose clamping device comprises hose coupling, it is characterized in that also comprising the interior flare nut and the pipe bolt that cooperatively interact, and the large aperture end of described interior flare nut is for being screwed into end, and the small aperture end corresponding with it is the end of interior flare nut; The internal thread of flare nut is a tapered thread in described, and the screw thread path A of described interior flare nut end is slightly larger than hose outside diameter; The threaded end of described pipe bolt is along uniform rectangular mouthful of paralleling with central shaft more than 2 of tube wall circumferencial direction, and its center hole internal diameter C is slightly larger than hose outside diameter.
2, hose clamping device according to claim 1, the external peripheral surface that it is characterized in that described pipe bolt is along its screw section that axially comprises and do not have the smooth department of screw thread, described screw section is away from the pipe bolt head, described smooth department is near the pipe bolt head, and the diameter of described smooth department is less than the screw thread path of described screw section.
3, hose clamping device according to claim 2 is characterized in that the inboard, two ends of described pipe bolt has a flange respectively, and described flange internal diameter is slightly larger than the external diameter of flexible pipe; Away from the described flange of pipe bolt head and the cooperation place of flexible pipe is that clamped position is an arc.
4, hose clamping device according to claim 3 is characterized in that the end of described hose coupling has more than one Drop-proof convex edge, and the external diameter of described convex edge matches with inner diameter.
5, hose clamping device according to claim 4 is characterized in that the external diameter of described Drop-proof convex edge increases successively along the end of the described hose coupling end direction to joint.
6, hose clamping device according to claim 5, the pipeline section that it is characterized in that no Drop-proof convex edge on the described hose coupling is having an external diameter smoothly to increase and the boss platform of formation near inner portion, the external diameter end and the described flexible pipe of described boss platform closely cooperate, and described boss platform is the pipeline section of hose coupling and the connected portion of tube head.
7, hose clamping device according to claim 6, the pipeline section that it is characterized in that described no Drop-proof convex edge is longer than described pipe bolt, its length difference is 0.1 δ～2 δ, and δ is a thickness of soft tube, and the thin end external diameter of described no Drop-proof convex edge pipeline section is less than the convex edge external diameter of minimum.
8, hose clamping device according to claim 7 is characterized in that described hose coupling is that the joint that connects the symmetric shape that is connected as a single entity of the direction more than 2 is used for the connection between the flexible pipe more than 2.
9,, it is characterized in that the described interior flare nut and the external peripheral surface of pipe bolt head have annular knurl according to arbitrary described hose clamping device among the claim 1-8.
10,, it is characterized in that the position mounting hole that is provided with perpendicular to axial direction of the radial outside of described interior flare nut and pipe bolt head according to appointing described hose clamping device among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200136938U CN201277400Y (en) | 2008-06-26 | 2008-06-26 | Hose clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200136938U CN201277400Y (en) | 2008-06-26 | 2008-06-26 | Hose clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277400Y true CN201277400Y (en) | 2009-07-22 |
Family
ID=40894985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200136938U Expired - Lifetime CN201277400Y (en) | 2008-06-26 | 2008-06-26 | Hose clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201277400Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008419A (en) * | 2015-08-13 | 2018-12-18 | 郑牧之 | Round wooden bed frame strung with crisscross coir ropes bed and its manufacturing method |
| CN110360392A (en) * | 2019-07-24 | 2019-10-22 | 海盐华胜紧固件有限公司 | A kind of pipe joint tapered cup nut |
-
2008
- 2008-06-26 CN CNU2008200136938U patent/CN201277400Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008419A (en) * | 2015-08-13 | 2018-12-18 | 郑牧之 | Round wooden bed frame strung with crisscross coir ropes bed and its manufacturing method |
| CN110360392A (en) * | 2019-07-24 | 2019-10-22 | 海盐华胜紧固件有限公司 | A kind of pipe joint tapered cup nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090722 Effective date of abandoning: 20080626 |