CN115681639A - Narrow groove clamp welt and strenghthened type clamp thereof - Google Patents
Narrow groove clamp welt and strenghthened type clamp thereof Download PDFInfo
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- CN115681639A CN115681639A CN202211387315.7A CN202211387315A CN115681639A CN 115681639 A CN115681639 A CN 115681639A CN 202211387315 A CN202211387315 A CN 202211387315A CN 115681639 A CN115681639 A CN 115681639A
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- welt
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Abstract
The invention discloses a narrow groove hoop lining plate and a reinforced hoop thereof, wherein the narrow groove hoop lining plate is an arc-shaped groove plate and comprises a bottom wall and two symmetrical side walls, one side of each side wall is connected with the bottom wall, a V-shaped groove is formed between each two side walls and the bottom wall, a plurality of welding bosses are arranged on the outer side of the bottom wall, and the size of the contact surface between each welding boss and the hoop is larger than the width of the bottom wall. Strenghthened type clamp includes above-mentioned narrow groove clamp welt of strap and a plurality of, and fastening components fastening connection is passed through at the both ends of strap, and the diapire of narrow groove clamp welt passes through the inner wall welding of welding boss and strap, and the interval sets up between a plurality of narrow groove clamp welt. This application is through setting up the spot welding position of a plurality of welding boss conduct welt in the diapire department of welt, and the size of welding boss is greater than the width of diapire, and then increases the area of contact of solder joint to firm nature when guaranteeing welt and strap welding still is difficult to appear the mars phenomenon of splashing when welding simultaneously, still effectively improves the sealed effect of clamp welt when guaranteeing welding quality.
Description
Technical Field
The invention relates to the technical field of hoops, in particular to a narrow-groove hoop lining plate and a reinforced hoop thereof.
Background
The V-shaped clamp is used for connecting a flange and generally comprises a clamp belt and a plurality of V-shaped lining plates, the V-shaped lining plates are welded on the inner wall of the clamp belt, and after the two ends of the clamp belt are locked, the flanges are clamped by the V-shaped lining plates finally to achieve a sealing effect.
The V-shaped liner is typically formed from sheet metal by hydraulic or cold-bending, and all cross-sections of the V-shaped liner are identical. When welding, the bottom wall of the V-shaped lining plate and the belt are welded by electric welding, but when welding, a sufficient contact area between two parts is required, namely, the width of the bottom wall of the V-shaped lining plate is sufficiently wide. However, the width of the bottom wall of the V-shaped liner plate is generally determined according to the size of the flange to be connected, and with the competition of cost, a host factory will adopt the form of flanging of the steel pipe to replace the flange structure under the condition of low requirement, so that the bottom wall of the V-shaped liner plate of the matched V-shaped hoop becomes narrow. Once the diapire of V type welt is narrower, for example when the diapire width is less than 4mm, it can lead to the solder joint area of contact not enough, and the welding is drawn and is taken off power too little, and then leads to when the clamp atress, the easy desoldering of solder joint between strap and the V type welt.
In addition, in the direct welding of the narrow groove V-shaped liner, since the welding area is too small and the narrow groove V-shaped liner is in arc contact, poor contact is easily caused during welding, and there is a spark splash phenomenon, which causes a build-up or a splash burr at the welding point of the V-shaped liner, and the splash burr is a splash liquid metal attached to the surface of the plate material and solidified to form a burr, which affects the sealing performance of the V-shaped liner.
Therefore, in combination with the above-mentioned technical problems, a new technical solution is needed.
Disclosure of Invention
The invention aims to provide a narrow-groove hoop lining plate and a reinforced hoop thereof.
In order to achieve the purpose, the invention provides a narrow-groove hoop lining plate which is an arc-shaped groove-shaped plate, the narrow-groove hoop lining plate comprises a bottom wall and two symmetrically arranged side walls, one side of each side wall is connected with the bottom wall, a V-shaped groove is formed between each side wall and the bottom wall, a plurality of welding bosses are arranged on the outer side of the bottom wall, and the size of each welding boss is larger than the width of the bottom wall.
Further, the cross-sectional shape of the welding boss is circular or polygonal.
Furthermore, a plurality of welding lug boss is along the length direction interval distribution of narrow groove clamp welt.
Furthermore, an extension wall extends outwards from one side of the side wall, which is far away from the bottom wall.
Further, the side wall and the bottom wall are in smooth transition; and/or a smooth transition between the extension wall and the side wall.
Further, the width of the bottom wall is less than 4mm.
Furthermore, narrow groove clamp welt is integrated into one piece.
The invention also provides a hoop which comprises a hoop and a plurality of narrow groove hoop lining plates, wherein two ends of the hoop can be fastened and connected through fastening components, the bottom wall of each narrow groove hoop lining plate is welded with the inner wall of the hoop through the welding boss, and the narrow groove hoop lining plates are arranged at intervals.
Further, the clamping device comprises three narrow-groove hoop lining plates.
Furthermore, the fastening assembly comprises a T-shaped bolt, a T-shaped sleeve and a nut, the T-shaped bolt comprises a cross rod part and a screw rod part, a rolling head at one end of the belt is sleeved on the cross rod part, a first notch is formed in the position, corresponding to the screw rod part, of the belt, and the screw rod part penetrates through the first notch; the T-shaped sleeve comprises a transverse branch part and a main pipe part, a winding head at the other end of the hoop is sleeved on the transverse branch part, a second notch is formed in the position, corresponding to the main pipe part, of the hoop, and the main pipe part penetrates through the second notch; when the clamping hoop is locked, the screw rod portion penetrates through the main pipe portion, and the nut is sleeved on the screw rod portion and locks the screw rod portion and the main pipe portion.
Compared with the prior art, narrow groove clamp welt and strenghthened type clamp of this application have following one or more beneficial effect at least:
the application discloses narrow groove clamp welt and strenghthened type clamp thereof, it sets up outside convex welding boss through the diapire outside at narrow groove clamp welt, when the welding, can carry out spot welding in welding boss department, and the welding boss will be directly in the same place with the strap butt fusion after through the heavy current. In addition, the welding lug boss is directly contacted with the strap during welding, so that the contact between other parts of the edge and the strap can be effectively avoided, the shunt of welding current is reduced, and the welding quality is effectively improved; simultaneously the welding boss has still increaseed the area of contact of narrow groove clamp welt and strap to increased and welded the nuclear diameter, improved the welding and pulled the power of taking off, when the clamp atress, the solder joint between strap and the narrow groove clamp welt is difficult to the desolder. In addition, because welding area increases, the welding boss contact is reliable, consequently is difficult to appear the spark phenomenon of splashing when the welding to be difficult to the accumulational or the burr that splashes appear in the solder joint department of narrow groove type clamp welt, and then guarantee the leakproofness of narrow groove clamp welt. In addition, because the current density is concentrated at the welding boss and is high, the welding can be carried out by using smaller current during welding, smaller nuggets can be reliably formed, and the size of a welding heat influence area is reduced, so that the deformation of the narrow-groove clamp lining plate caused by welding heat is reduced, and the reliability and the attractiveness of a product are improved. The welding bosses are accurate in position and consistent in size, and the strength of each welding part can be guaranteed to be uniform. In addition, compare traditional lateral wall and not extended the clamp welt that has the extension wall, when hydroforming, the lateral wall of this embodiment narrow groove clamp welt has certain thickness because extended the extension wall on the lateral wall, and the deformation that consequently the lateral wall takes place is littleer, has better sealed effect. Smooth transition between lateral wall and the diapire or extend smooth transition between wall and the lateral wall, can guarantee that narrow groove clamp welt can be better with the outer wall laminating of locking part to further improve sealed effect.
Drawings
Fig. 1 is a schematic structural view of a reinforced clamp according to an embodiment of the present disclosure;
fig. 2 is an exploded view of a reinforced clamp according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a narrow groove clamp liner provided in accordance with an embodiment of the present application;
FIG. 4 is a cross-sectional view of a narrow groove clamp liner plate at a non-welded boss according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of a narrow groove clamp liner plate at a weld boss according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of the welding between the strap lining and the band.
The welding fixture comprises a narrow groove clamp lining plate 1, a bottom wall 11, a welding boss 111, a side wall 12, an extension wall 13, a hoop 2, a fastening component 3, a T-shaped bolt 31, a cross rod part 311, a screw rod part 312, a T-shaped sleeve 32, a cross branch part 321, a main pipe part 322, a nut 33 and a welding core 4.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, characteristics and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Examples
The embodiment provides a strenghthened type clamp, and it mainly comprises strap 2 and a plurality of narrow groove clamp welt 1. The both ends of strap 2 can be through fastening components 3 fastening connection, narrow groove clamp welt 1 with weld between the inner wall of strap 2, and a plurality of interval sets up between the narrow groove clamp welt 1.
As shown in fig. 1 and 2, a reinforced clamp is schematically shown, and the fastening assembly 3 is composed of a T-bolt 31, a T-sleeve 32 and a nut 33. The strap 2 is bent into a C shape, one end of the strap 2 is rolled up and then sleeved on the cross rod portion 311 of the T-shaped bolt 31, and a first notch is formed in the position of the strap 2 corresponding to the screw portion 312 of the T-shaped bolt 31 for the screw portion 312 of the T-shaped bolt 31 to pass through; the other end of the band 2 is coiled and sleeved on the transverse branch portion 321 of the T-shaped casing 32, and a second notch is formed in a position of the band 2 corresponding to the main pipe portion 322 of the T-shaped casing 32, so that the main pipe portion 322 of the T-shaped casing 32 can pass through the second notch. And the head portion of the band 2 is fixedly connected to the main portion of the band 2, for example, by spot welding, so that the T-bolt 31 and the T-shaped sleeve 32 are fixed. When the locking clamp is implemented, the screw part 312 of the T-shaped bolt 31 passes through the main pipe part 322 of the T-shaped sleeve 32, and then the screw part 312 is sleeved with the nut 33, and the screw part 312 and the main pipe part 322 are locked by tightening the nut 33.
And the narrow-groove band liner plate 1 is arranged on the inner wall of the band 2. The strap 2 and the narrow groove hoop lining plate 1 are preferably made of stainless steel. As shown in fig. 3, the narrow groove band liner 1 is an arc-shaped groove plate, which includes a bottom wall 11 and two symmetrically disposed side walls 12. One side of the side wall 12 is connected with the bottom wall 11, and a V-shaped groove is formed between the two side walls 12 and the bottom wall 11, that is, the section of the narrow groove hoop liner plate 1 is in a flat-bottom V-shape with a narrow bottom wall 11, as shown in fig. 3 to 6. It should be noted that, the side wall 12 and the bottom wall 11 are preferably smoothly transited, so that an arc transition surface is formed outside the junction of the side wall 12 and the bottom wall 11, and the bottom wall 11 described in this application refers to only a straight portion of the bottom of the narrow groove clamp liner plate 1 and does not include the arc transition portion formed at the junction of the side wall 12 and the bottom wall 11. In the specific implementation, the bottom wall 11 of the narrow groove clamp liner plate 1 is welded, preferably by spot welding, to the inner wall of the band 2. The plurality of narrow groove hoop lining plates 1 are distributed at intervals along the circumferential direction of the hoop 2, the end parts of the adjacent narrow groove hoop lining plates 1 are opposite to each other, and then an annular structure which is the same as the axial direction of the hoop 2 and has an inward opening can be formed under the constraint of the hoop 2, as shown in fig. 1 or fig. 2. Three narrow groove hoop lining plates 1 are arranged at intervals schematically shown in the figure, and the three-section type lining plate has good sealing performance and is most widely used. However, in specific implementation, the number of the narrow groove clamp liner plates 1 is not limited to three, and may be any other number. The axial direction of the annular structure is defined as the width direction of the bottom wall 11, the circumferential direction of the annular structure is defined as the length direction of the bottom wall 11, and then the two side walls 12 are respectively arranged at two sides of the width direction of the bottom wall 11.
A plurality of welding bosses 111 are arranged on the outer side of the bottom wall 11 at intervals along the length direction of the narrow groove hoop lining plate 1. The width of the bottom wall 11 is less than 4mm, and the size of the contact surface between the welding projection 111 and the band 2 is larger than the width of the bottom wall 11, for example, if the contact surface between the bottom wall 11 and the band 2 is not provided with the welding projection 111, the size of the contact surface in the width direction of the bottom wall 11 (i.e. the width of the bottom wall 11) is d 1 (ii) a Assuming that the welding projections 111 are provided, the dimension d of the contact surface between the welding projections 111 and the band 2 in the width direction of the bottom wall 11 is 2 Then d is 2 >d 1 . The cross-sectional shape of the welding boss 111 is circular or polygonal, preferably circular. As shown in fig. 3, two welding bosses 111 with circular cross-sections are disposed on the outer side of the bottom wall 11, and in practical implementation, the specific shape and number of the welding bosses 111 may be set as required. Preferably, the welding projection 111 is formed integrally with the narrow groove clamp liner 1, for example, by stamping.
By providing the welding projections 111 protruding outward outside the bottom wall 11, spot welding can be performed at the welding projections 111 during welding, and the welding projections 111 will be welded directly to the band 2 after a large current is applied. In addition, the welding boss 111 is directly contacted with the strap 2 during welding, so that the contact of other parts at the edge with the strap 2 can be effectively avoided, the shunt of welding current is reduced, and the welding quality is effectively improved; simultaneously welding boss 111 has still increaseed narrow groove clamp welt 1 with the area of contact of strap 2 to increased and welded the 4 diameters of nuclear, as shown in fig. 6, improved the welding and pulled off the power, make when the clamp atress, the solder joint between strap 2 and the narrow groove clamp welt 1 is difficult to the desolder. In addition, because the welding area increases, welding boss 111 contact is reliable, is difficult to appear the spark phenomenon of splashing when consequently welding to be difficult to the long-pending tumour or the burr that splashes appear in the solder joint department of narrow groove clamp welt 1, and then guarantee the leakproofness of narrow groove clamp welt 1. In addition, because the current density is concentrated at the welding boss 111 and is high, the welding can be carried out by using a small current during welding, a small nugget can be reliably formed, the size of a welding heat influence area is reduced, the deformation of the narrow-groove clamp liner plate 1 caused by welding heat is reduced, and the reliability and the attractiveness of a product are improved. The welding bosses 111 are accurate in position and consistent in size, and strength of all welding positions can be guaranteed to be more uniform.
In a further embodiment, the side walls 12 of the slot clip liner 1 are extended outwardly from the bottom wall 11 by extension walls 13, as shown in fig. 3 to 6, which allow a better grip of the slot clip liner 1 on the outer wall of the component to be locked. In addition, compared with the conventional band liner plate with the side wall 12 not extending with the extension wall 13, during the hydraulic forming, the side wall 12 of the narrow-groove band liner plate 1 of the embodiment has a certain thickness because the extension wall 13 extends from the side wall 12, so that the deformation of the side wall 12 during the hydraulic forming is smaller, and the better sealing effect is achieved.
Furthermore, the extension wall 13 and the side wall 12 are smoothly transited. Therefore, the narrow-groove hoop lining plate 1 can be better attached to the outer wall of a part to be locked, and the sealing effect is further improved.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a narrow groove clamp welt, it can weld on strap (2), its characterized in that, narrow groove clamp welt (1) is the channel plate that is the arcuation, and it includes lateral wall (12) that diapire (11) and two symmetries set up, one side of lateral wall (12) with diapire (11) are connected, two lateral wall (12) with form V type groove between diapire (11), the outside of diapire (11) is provided with a plurality of welding boss (111), welding boss (111) with the size of contact surface is greater than between strap (2) the width of diapire (11).
2. A slot clamp liner plate according to claim 1, characterised in that the cross-sectional shape of the welding boss (111) is circular or polygonal.
3. The slot clamp liner plate according to claim 1, wherein a plurality of said welding bosses (111) are spaced apart along the length of said slot clamp liner plate (1).
4. A slot clamp liner according to claim 1, wherein an extension wall (13) extends outwardly from the side of the side wall (12) remote from the base wall (11).
5. A slot clamp liner according to claim 1, characterized in that there is a smooth transition between the side wall (12) and the bottom wall (11); and/or
The extension wall (13) and the side wall (12) are in smooth transition.
6. A narrow groove clamp liner according to claim 1, wherein the width of the bottom wall (11) is less than 4mm.
7. A slot clamp liner according to claim 1, characterized in that the slot clamp liner (1) is formed in one piece.
8. A reinforced clamp, characterized in that it comprises a strap (2) and a plurality of narrow groove clamp liners (1) according to any one of claims 1-7, the two ends of the strap (2) can be fastened and connected by fastening components (3), the bottom wall (11) of the narrow groove clamp liners (1) is welded with the inner wall of the strap (2) through the welding boss (111), and a plurality of the narrow groove clamp liners (1) are arranged at intervals.
9. A reinforced clamp according to claim 8, comprising three of the narrow groove clamp liners (1).
10. A reinforced clamp according to claim 8, wherein the fastening assembly (3) comprises a T-bolt (31), a T-sleeve (32) and a nut (33),
the T-shaped bolt (31) comprises a cross rod part (311) and a screw rod part (312), one end of the hoop (2) is sleeved on the cross rod part (311), a first notch is formed in the position, corresponding to the screw rod part (312), of the hoop (2), and the screw rod part (312) penetrates through the first notch;
the T-shaped sleeve (32) comprises a transverse branch part (321) and a main pipe part (322), the other end of the hoop (2) is coiled and sleeved on the transverse branch part (321), a second notch is formed in the position, corresponding to the main pipe part (322), of the hoop (2), and the main pipe part (322) penetrates through the second notch;
wherein, when locking the clamp, screw rod portion (312) pass main pipe portion (322), nut (33) cover is established will on screw rod portion (312) with main pipe portion (322) are locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211387315.7A CN115681639A (en) | 2022-11-07 | 2022-11-07 | Narrow groove clamp welt and strenghthened type clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211387315.7A CN115681639A (en) | 2022-11-07 | 2022-11-07 | Narrow groove clamp welt and strenghthened type clamp thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115681639A true CN115681639A (en) | 2023-02-03 |
Family
ID=85050976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211387315.7A Pending CN115681639A (en) | 2022-11-07 | 2022-11-07 | Narrow groove clamp welt and strenghthened type clamp thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115681639A (en) |
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2022
- 2022-11-07 CN CN202211387315.7A patent/CN115681639A/en active Pending
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