CN2934828Y - Plastic chape with barb at outside of chape leg - Google Patents
Plastic chape with barb at outside of chape leg Download PDFInfo
- Publication number
- CN2934828Y CN2934828Y CN 200620119044 CN200620119044U CN2934828Y CN 2934828 Y CN2934828 Y CN 2934828Y CN 200620119044 CN200620119044 CN 200620119044 CN 200620119044 U CN200620119044 U CN 200620119044U CN 2934828 Y CN2934828 Y CN 2934828Y
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- CN
- China
- Prior art keywords
- nail
- leg
- hangnail
- bail
- outer side
- 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 - Fee Related
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Abstract
A plastic clamping nail with an agnail outside the nail leg is a U-shaped component; the upper part is a semi-circular top ring clamping part with a certain thickness, which matches the outline of the cross-section of the pipe; the two ends of the ring clamping part is provided with two nail legs extending downward; the lower end of each nail leg is provided with a nail tip extending downward; the nail tip or the part extending outward of the nail tip and the nail leg is provided with an agnail extending from the upper to the lower. The plastic clamping nail eliminates the inner agnail on the nail leg of the existing clamping nail, reducing the resistance in penetrating into the insulation layer; when crossing the pipe, the nail leg closely clings to the outside wall of the pipe and can vertically penetrate into the insulation layer to achieve the largest effective penetration depth and to improve the capability against the missing and pulling. Because the fixing force is improved in timed compared with the existing clamping nails, the use of the plastic clamping nail can reduce the installation density of the clamping nails; the plastic clamping nail not only reduces the construction cost, but also lowers the labor intensity and reduces the damage to the insulation layer. In addition, the clamping nail has no ear part, which can further lower the cost and facilitate the manufacture.
Description
Technical field
The utility model provides the accessory in a kind of floor heating field, especially a kind of plastics bail.
Background technique
In the laying of floor heating system, use the plastics bail that plastic tube is fixed on the compound heat-insulation layer at a certain distance, fixedly the plastics bail 01 of tubing is generally down " U " shape part (as shown in Figure 1), its top has certain thickness semicircular ring shape top card ring portion 02 for the cross section gabarit with tubing is complementary, the two ends of snap ring portion extend two nail shanks 03 downwards, extended nail tip 04 in the lower end of each nail shank, to the bottom-up at least two pairs of hangnails 05 that extend in its both sides, respectively be provided with a clamp lug portion 06 in this nail tip 04 in the outside of two nail legs.In use, this bail nail tip is down placed above the plastic tube on the thermal insulation layer, then, push two clamp lugs of being located at the nail leg outer side with hand, perhaps with palm or foot to the downward application of force in the upper end of bail, make the nail tip of bail pierce through thermal insulation layer, the snap ring portion by bail is fixed on tubing on the thermal-protective coating.
There are following defectives in plastics bail of the prior art:
Nail tip on two nails of existing plastics bail leg extends hangnail to inside and outside both sides, such bail, when pushing with hand or use other instrument beating bail top that bail is imposed downward active force, the resistance that hangnail makes the nail tip enter thermal insulation layer becomes big, is pressed into bail and relatively requires great effort; Simultaneously, pat bail with hand or instrument and enter thermal insulation layer, can make the snap ring portion distortion of bail, causing the tubing of laying to be easy to generate rocks, and bigger resistance also can make the thermal insulation layer that penetrates that the nail point of bail can not be vertical, but thrusting of tilting laterally cause following closely the effective length that leg penetrates thermal insulation layer thus and reduce, and makes the anti-ability of pulling out of taking off of bail reduce.
Spacing between the width of the snap ring portion of plastics bail and two the nail leg is that the diameter with tubing is complementary, so can carry out good constraint to tubing, it can not be out of shape and displacement in process of deployment, thereby avoid between the pipe spacing to become big and diminish, but, when existing bail strides across tubing before thrusting thermal insulation layer, its inboard hangnail makes the nail leg of bail outwards cast aside, the big factor of above-mentioned in addition resistance, make that the outward-dipping tendency of the nail leg of bail is more serious, it is shorter that bail penetrates the effective length of thermal insulation layer, and the anti-ability of pulling out of taking off is lower.
In order to improve the fixing soundness of tubing, adopt often in the prior art and improve the measure that fixes density.Such result is the consumption that has increased bail, has also increased labor intensity.Have, the bail that existing both sides nail leg all has hangnail is also bigger for the destructiveness of thermal insulation layer again.And the multiple-use card nail is just more serious to the destruction of thermal insulation layer.
In actual use, bail often all is that the top by the snap ring portion of patting bail hammers in the thermal insulation layer bail, two clamp lug portions that existing bail is provided with, because its corresponding size is less, push relatively effort, in the bail of a lot of specifications uses, there has not been its original having acted on.And the clamp lug portion that existing bail has has performed practically no function.And make the bail that has clamp lug portion, no matter the improved necessity of needs is all arranged from the complexity and the consumption raw material aspect of mould manufacturing.
Summary of the invention
The purpose of this utility model is to address the above problem, provide that a kind of to thrust the thermal insulation layer resistance little, can substantially vertically insert thermal insulation layer, reliable to tubing constraint, the destructiveness of thermal insulation layer is reduced and cost-saved, the convenient nail leg outer side of making that has only has the plastics bail of hangnail greatly.
The purpose of this utility model is achieved in that
The nail leg outer side that the utility model provides has the plastics bail of hangnail for falling " U " shape part, its top has certain thickness half-circle-arc shape top card ring portion for the cross section gabarit with tubing is complementary, the two ends of snap ring portion extend two nail shanks downwards, lower end at each nail shank has extended the nail tip, it is characterized in that: in this nail tip or nail tip and nail shank bottom-up hangnail that extended outside it.
The number of described hangnail can be 1-6, preferred 2-3.
Can be provided with the stiffening rib of evagination in the outside of described nail leg, this stiffening rib is arranged on the nail leg between topmost the described hangnail.Also can be provided with the rib shape stiffening rib of projection in the inboard of described nail leg, the width of this stiffening rib is less than the width of nail inboard leg.
The cross section of described nail leg can be leg-of-mutton, and its base is as the outer side surface of nail leg, and the drift angle in two triangle staple leg cross sections is oppositely arranged, and it can play the effect of inboard stiffening rib.
The cross section of described nail leg also can be circular or rectangle.
The seamed edge of described snap ring portion preferably all is the round-corner transition structure.
The sharp-pointed nail tip of former and later two laterally inclined formations, described nail tip, this inclined ramp is the arc plane of inclination.Described nail tip about also tilt on two sides, converge to the tip and pool a most advanced and sophisticated point.
One of them can be in same longitudinal plane for the front and back sides of described bail.If the trailing flank of bail is a longitudinal plane, then described nail tip leading flank recedes and constitutes sharp-pointed nail tip.Slope inwardly on the outer side surface of described nail tip, described nail tip leading flank and outer side surface tilt to converge to the most advanced and sophisticated most advanced and sophisticated point that constitutes.The inclined ramp in this front side and the outside is good with the arc plane of inclination.This arc plane of inclination, the radius of curvature of its arc preferably reduces to nail gradually Zi following closely leg top.The cross section of described snap ring portion, nail shank and nail tip is trapezoidal.The leading flank of the gabarit of described nail shank, snap ring portion and nail tip and about the arris of two sides be arc transition, and the trailing flank arris is the corner angle intermediate shape.
Whole front and back sides from described top card ring portion to bottom point upward 0.1-42mm is provided with concavo-convex ripple.
The head portion of described snap ring portion can extend forwards, backwards, makes the width of the horizontal width of this head portion greater than snap ring portion other parts.The length of this broadening section is that the vertical symmetry axis of bail respectively extends the 2.0-7.5 millimeter to the left and right, and preferable length is for respectively to extend 5 millimeters from about longitudinal shaft.
The plastics bail that the nail leg outer side that the utility model provides has hangnail has removed the inboard hangnail of following closely on the leg compared with the prior art.Thus, the resistance in the time of can reducing to thrust thermal insulation layer is when striding across tubing, the nail leg can be close to outer pipe wall, can flare, when going into thermal insulation layer in nail Jianzha County, outside hangnail enters thermal insulation layer, can introversion be limited so that the introversion of nail leg is close to tubing and follow closely inboard leg this moment, therefore, this bail can substantially vertically thrust in the thermal insulation layer, thereby can obtain the maximum degree of depth of effectively thrusting, and improves its anti-ability of pulling out of taking off greatly.Make this plastics bail,, can economize in raw materials, reduce cost owing to removed inboard hangnail.Use this plastics bail,, can reduce the packing density of bail, both can reduce construction cost, also can reduce labor intensity, can also reduce destruction thermal insulation layer because its retention force significantly improves than existing bail.In addition, the bail that the utility model provides has been cancelled clamp lug portion, and this can be so that this bail can further be saved cost, also convenient manufacturing.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further elaborated.
Fig. 1 is the structural representation of plastics bail of the prior art;
The structural representation of a kind of plastics bail that Fig. 2 provides for the utility model;
Fig. 3 is provided with the structural representation of the plastics bail of stiffening rib for the nail inboard leg;
Fig. 4 is the side-looking structural representation of plastics bail shown in Figure 2;
Fig. 5 is the main TV structure schematic representation of the plastics bail of another kind of structure;
Fig. 5 a is the left TV structure schematic representation of Fig. 5;
Fig. 5 b is the plan structure schematic representation of Fig. 5;
Fig. 5 c is the A-A cross-sectional view of Fig. 5;
The plan structure schematic representation of the plastics bail that Fig. 6 provides for the utility model;
Fig. 7 has the structural representation of these plastics bail of concave-convex grain for front-back.
Embodiment
As shown in Figure 2, the nail leg outer side that the utility model provides has the plastics bail 1 of hangnail for falling " U " shape part, its top has certain thickness half-circle-arc shape top card ring portion 2 for the cross section gabarit with tubing is complementary, the two ends of snap ring portion extend two nail shanks 3 downwards, extended nail tip 5 in lower end of each nail shank, in this nail tip outside it bottom-up hangnail 6 that extended.The number of hangnail is 2.Also can be 3 or 4, can be 6 at most, minimum be 1.If more hangnail is set, this hangnail is distributed on nail tip and the nail shank.
Can also be provided with the stiffening rib 31 of evagination in the outside of nail leg 3, this stiffening rib 31 is arranged on one section nail leg 3 on the hangnail topmost.
Also can on inside and outside two sides of nail leg, be equipped with stiffening rib simultaneously.
As shown in Figure 3, also can be provided with the rib shape stiffening rib 32 of projection in the inboard of nail leg 3, this stiffening rib is less than the width of nail inboard leg.
The cross section of described nail leg can be leg-of-mutton, and its base is as the outer side surface of nail leg, and the drift angle in two triangle staple leg cross sections is oppositely arranged, and it can play the effect of inboard stiffening rib.The cross section of described nail leg also can be circular or rectangle.
The seamed edge of snap ring portion 2 is preferably the round-corner transition structure.
As shown in Figure 4, the nail sharp-pointed nail tip of 5 former and later two laterally inclined formations, tip, this inclined ramp is arc plane of inclination 51.Nail tip 5 about also tilt on two sides, converge to the tip and pool a most advanced and sophisticated point.
In order in foam cement, to use, can provide a kind of its front and back sides one of them be bail in same longitudinal plane, as shown in Figure 5.If the trailing flank of bail 101 108 is a longitudinal plane, shown in Fig. 5 a, 5b, then follows closely tip 105 leading flanks 107 and (see that Fig. 5 a) recedes and constitutes sharp-pointed nail tip.Slope inwardly (as shown in Figure 5) on the outer side surface of nail tip, nail tip leading flank and outer side surface tilt to converge to the most advanced and sophisticated most advanced and sophisticated point that constitutes.The inclined ramp in this front side and the outside tilts with arc and is good.This arc plane of inclination, the radius of curvature of its arc preferably reduces to nail gradually Zi following closely leg top.Shown in Fig. 5 c, the cross section of snap ring portion 102, nail shank 103 and nail tip 105 is trapezoidal.The leading flank of the gabarit of nail shank 103, snap ring portion 102 and nail tip 105 and about the arris of two sides be arc transition, and trailing flank 108 arris are the corner angle intermediate shape.The clamp lug 104 of this bail 101 and the 103 relative vertical settings of nail shank.
As shown in Figure 6, the head portion 21 of snap ring portion 2 extends forwards, backwards, makes the width of the horizontal width of this head portion 21 greater than snap ring portion 2 other parts.The length of this broadening section is that the vertical symmetry axis of bail respectively extends the 2.0-7.5 millimeter to the left and right, and the length in this example is for respectively to extend 5 millimeters from about longitudinal shaft.
On the basis of as shown in Figure 5 bail, also snap ring portion can be made the pattern that extends forwards, backwards.
Can be so that the whole front and back sides of bail from the top card ring portion to bottom point upward 0.1-40mm be provided with concavo-convex ripple 8, as shown in Figure 7.
Claims (10)
1, a kind ofly follows closely the plastics bail that leg outer side has hangnail, for falling " U " shape part, its top has certain thickness half-circle-arc shape top card ring portion for the cross section gabarit with tubing is complementary, the two ends of snap ring portion extend two nail shanks downwards, lower end at each nail shank has extended the nail tip, it is characterized in that: at this nail point or nail tip and the bottom-up hangnail that extended of nail lateral leg.
2, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: the number of described hangnail is 1-6.
3, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: former and later two are laterally inclined in described nail tip, and this inclined ramp constitutes sharp-pointed nail tip.
4, nail leg outer side according to claim 3 has the plastics bail of hangnail, it is characterized in that: two outer side surfaces also tilt about described nail tip, and converging to the tip becomes a cusp.
5 have the plastics bail of hangnail according to claim 3 or 4 described nail leg outer sides, it is characterized in that described inclined ramp is the arc plane of inclination.
6, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: described snap ring portion and nail shank corner are arc or round-corner transition structure.
7, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: the stiffening rib that is provided with evagination in the outside of described nail leg, this stiffening rib is arranged on one section nail leg on topmost the described hangnail, and/or being provided with the rib shape stiffening rib of projection in the inboard of described nail leg, the width of this stiffening rib is less than the width of nail inboard leg.
8, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: the cross section of described nail leg is leg-of-mutton, its base is as the outer side surface of nail leg, the drift angle in two triangle staple leg cross sections is oppositely arranged, or the cross section of described nail leg is circular or rectangle.
9, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: the front and back sides of described snap ring portion, nail shank is provided with concavo-convex ripple.
10, nail leg outer side according to claim 1 has the plastics bail of hangnail, it is characterized in that: the trailing flank of described bail is a longitudinal plane; Perhaps, the trailing flank of described nail leg and nail point is in a plane, and the head portion of described snap ring portion extends forwards, backwards, make the width of the horizontal width of this head portion greater than snap ring portion other parts, and its corner is arc or round-corner transition structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119044 CN2934828Y (en) | 2006-07-26 | 2006-07-26 | Plastic chape with barb at outside of chape leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119044 CN2934828Y (en) | 2006-07-26 | 2006-07-26 | Plastic chape with barb at outside of chape leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934828Y true CN2934828Y (en) | 2007-08-15 |
Family
ID=38351517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620119044 Expired - Fee Related CN2934828Y (en) | 2006-07-26 | 2006-07-26 | Plastic chape with barb at outside of chape leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934828Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392917A (en) * | 2011-08-15 | 2012-03-28 | 长虹塑料有限公司 | U-shaped cable clamp |
-
2006
- 2006-07-26 CN CN 200620119044 patent/CN2934828Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392917A (en) * | 2011-08-15 | 2012-03-28 | 长虹塑料有限公司 | U-shaped cable clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 |