CN214839128U - High-strength plastic safety clamp - Google Patents

High-strength plastic safety clamp Download PDF

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Publication number
CN214839128U
CN214839128U CN202121555895.7U CN202121555895U CN214839128U CN 214839128 U CN214839128 U CN 214839128U CN 202121555895 U CN202121555895 U CN 202121555895U CN 214839128 U CN214839128 U CN 214839128U
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China
Prior art keywords
hole
bolt
high strength
strength plastic
fastener
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Application number
CN202121555895.7U
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Chinese (zh)
Inventor
陆玮清
朱阳铭
包玉杰
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SHANGHAI SHENGJIANG MECHANICAL EQUIPMENT CO Ltd
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SHANGHAI SHENGJIANG MECHANICAL EQUIPMENT CO Ltd
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Priority to CN202121555895.7U priority Critical patent/CN214839128U/en
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Abstract

The utility model relates to a plastics safety clamp of high strength relates to the field of pipe connection spare, and it includes the semi-circular staple bolt that two symmetries set up and connects the fastener of two staple bolts, and the equal an organic whole in both ends of staple bolt circumference is provided with the flange board, sets up the mounting hole of installation fastener on the flange board, is fixed with metal gasket on the butt face of flange board and fastener, and metal gasket is pre-buried in the flange board. This application has that plastics safety clip structural strength is higher, firm in connection is reliable's effect.

Description

High-strength plastic safety clamp
Technical Field
The application relates to the field of pipe connectors, in particular to a high-strength plastic safety clamp.
Background
In the installation and use of the pipe joint, after the pipe joint is connected with the rubber pipe, in order to ensure the connection strength of the pipe joint and the rubber pipe, a safety clamp is additionally arranged outside to improve the connection strength between the pipe joint and the rubber pipe.
In the correlation technique, the safety clamp is mostly the metal staple bolt of two semicircle formulas, and two metal staple bolts pass through the bolt and the nut is connected fixedly, and the safety clamp is adorned and is pressed from both sides the back on coupling box rubber tube, and is fixed with coupling and rubber tube crimping from the outside, and then improves joint strength between coupling and the rubber tube. The existing safety clamps are mostly made of metal materials, and the metal safety clamps have high structural strength and wide application range; part safety clamp adopts the plastics material, and the safety clamp of plastics material is lower because material reason intensity, and it consolidates the effect unreliable, takes place to become flexible and damage along with the time easily.
In view of the above-mentioned related art, the inventors provide a high-strength plastic safety clip.
SUMMERY OF THE UTILITY MODEL
In order to improve the intensity of plastics safety clamp, this application provides a plastics safety clamp of high strength, has the effect that the intensity of plastics safety clamp is high, not fragile.
The application provides a plastics safety clamp of high strength adopts following technical scheme:
the utility model provides a plastics safety clamp of high strength, includes the fastener of the semi-circular staple bolt of two symmetry settings and two staple bolts of connection, the equal an organic whole in both ends of staple bolt circumference is provided with the flange board, has seted up the installation on the flange board the mounting hole of fastener, the flange board with be fixed with the metal gasket on the butt face of fastener, the metal gasket is pre-buried in the flange board.
Through adopting above-mentioned technical scheme, when less use metal material, effectively improve the surface strength of plastics safety clamp, the flange board of plastics safety clamp is difficult for causing the deformation because of the centre gripping of fastener is fixed. Compared with a metal safety clamp, the plastic safety clamp has the defect that the material is soft, and the metal gasket is fixed on the abutting surface of the flange plate and the fastening piece, so that on one hand, the bolt and the nut are not directly contacted with the flange plate, and the physical damage is reduced; on the other hand, because metal gasket is pre-buried in the flange board, the actual profile of gasket will be greater than the actual butt area of fastener and flange board, has increased area of contact in other words, has reduced the intensity requirement to the safety clamp material.
Optionally, the fastener includes a bolt and a nut, the mounting hole is a countersunk hole, the countersunk part of the mounting hole is divided into a polygonal contour hole corresponding to an outer contour of the nut and a cylindrical contour hole corresponding to a head contour of the bolt, the through hole part of the mounting hole is a mounting through hole matched with the bolt in size, and the metal gasket is arranged between the countersunk part and the through hole part of the countersunk hole.
Through adopting above-mentioned technical scheme, make things convenient for the installation of fastener. When the fastener is installed, the nut can be embedded into the corresponding polygonal contour hole, the nut is preliminarily fixed, the nut does not need to be manually fixed, and the installation is more convenient. The safety clamp is made of plastic, the machining precision requirement of the holes in the flange plate is low, the polygonal contour holes can be in interference fit with the corresponding nuts, the holes made of the plastic are easily expanded, and the safety clamp made of the plastic is convenient to produce.
Optionally, a plurality of mounting holes are formed in the flange plate along the axial direction of the hoop, only one metal gasket is mounted on a single flange plate, and a plurality of bolt through holes are formed in the metal gasket in a coaxial penetrating manner corresponding to the mounting holes.
By adopting the technical scheme, a plurality of fasteners are arranged between the pair of flange plates so as to improve the connection strength; only set up a metal gasket on a flange board, can increase the effective lifting surface area between metal gasket and the flange board as far as to optimize metal gasket and strengthen the effect to the framework of flange board.
Optionally, the aperture of the bolt through hole is smaller than or equal to the aperture of the mounting through hole.
By adopting the technical scheme, the metal gasket can completely cover the hole wall structure of the mounting hole, and the stress of the plastic body around the mounting through hole is optimized.
Optionally, plate body reinforcing ribs are integrally arranged on the flange plate on the periphery of each mounting hole.
Through adopting above-mentioned technical scheme, the structural strength of reinforcing flange board prevents that flange board overall structure from taking place to warp.
Optionally, edge reinforcing ribs are integrally arranged between the two ends of the flange plate and the hoop.
Through adopting above-mentioned technical scheme, improve the joint strength between flange board and the staple bolt, the prevention flange board takes place to warp with the junction of staple bolt.
Optionally, the two ends of the hoop are coaxially and integrally provided with arc-shaped reinforcing rings, and the reinforcing rings are connected and fixed with the edge reinforcing ribs.
By adopting the technical scheme, the structural strength of the arc contour at the edge of the hoop is improved, and the shape of the hoop is prevented from deforming; the edge reinforcing rib is of a stress structure and is convexly connected with the reinforcing ring with higher structural strength, the overall structural strength of the plastic safety clamp can be effectively enhanced, and the joint of the flange plate and the hoop is prevented from deforming.
Optionally, the one end of staple bolt is coaxial integrative to be provided with the joint ring of coupling joint protruding and the grip ring of centre gripping rubber tube protruding, the protruding setting of joint ring is in the one end of staple bolt, the grip ring is protruding to be kept away from the protruding setting of joint ring.
Through adopting above-mentioned technical scheme, the protruding structure joint on the pipe connection spare such as joint ring and pipe connector, the protruding centre gripping rubber tube of grip ring, and then connect fixed coupling and rubber tube, the protruding mutual distancing of joint ring and grip ring is protruding to correspond coupling and rubber tube respectively.
Optionally, the grip ring is protruding to be that the cross-sectional profile is triangular's profile of tooth ring, the grip ring is protruding to be followed the axial of staple bolt is provided with the multichannel.
Through adopting above-mentioned technical scheme, the protruding inner circle of grip ring can be impressed in the rubber tube, better fixed rubber tube, and a plurality of grip ring are protruding can more reliable fixed rubber tube.
Optionally, a central angle of the hoop is less than 180 degrees.
Through adopting above-mentioned technical scheme, when two staple bolts encircle on coupling and rubber tube, two staple bolts can't form a whole circle, can leave certain space between the flange board on two staple bolts, can ensure to screw the fastener after, the fixed rubber tube of the reliable centre gripping of staple bolt.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the metal gasket is embedded in the abutting surface of the flange plate and the fastener, so that the bearing capacity of the flange plate is improved, the damage of the fastener to the flange plate is reduced, the requirement on the material of the flange plate is lowered, the strength of the plastic safety clamp is effectively improved, and the plastic safety clamp can more reliably fix the pipe joint and the rubber pipe;
2. the flange plate is provided with the plate body reinforcing ribs, so that the structural strength of the flange plate is enhanced, the safety clamp made of plastic is generally manufactured through a casting process, demolding is needed in the later period, the flange plate is provided with the mounting hole structure, the mounting hole is not too deep for facilitating demolding, the depth of the mounting hole is related to the thickness of the flange plate, and the strength of the flange plate is enhanced while the demolding difficulty is not increased by additionally arranging the plate body reinforcing ribs on the flange plate;
3. the edge of being connected the position through at flange board and staple bolt sets up marginal strengthening rib, improves the joint strength of flange board and staple bolt to the prevention flange board is whole to be buckled, and it is protruding through setting up the beaded finish on the staple bolt simultaneously, has improved the intensity of staple bolt profile structure, and the prevention staple bolt is whole to be out of shape.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
fig. 3 is a schematic sectional structure view of B-B of fig. 1.
Reference numerals: 1. hooping; 11. a flange plate; 121. a polygonal outline hole; 122. a cylindrical contour hole; 123. mounting a through hole; 13. plate body reinforcing ribs; 14. edge reinforcing ribs; 15. the reinforcing ring is convex; 16. the clamping ring is convex; 17. the clamping ring is convex; 2. a metal gasket; 21. a bolt through hole; 3. a fastener; 31. a bolt; 32. and a nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses plastics safety clamp of high strength, refer to fig. 1, including two semicircular staple bolts 1 and fastener 3, staple bolt 1 is whole to be the plastics material, and the equal an organic whole in both ends of staple bolt 1's circumferencial direction is provided with rectangular plate-like flange plate 11, and fastener 3 is connected two staple bolts 1 with two staple bolt 1's flange plate 11 and fixes and then connect two fixed staple bolts 1. The central angle of staple bolt 1 should be less than 180 degrees, and two staple bolts 1 encircle and connect when fixed on coupling and rubber tube and with fastener 3, the flange board 11 contactless on two staple bolts 1 to ensure fastener 3 back of screwing, staple bolt 1 can hold the rubber tube tightly, with guarantee joint strength.
Referring to fig. 1 and 2, the fastener 3 includes a bolt 31 and a nut 32, the bolt 31 being an inner hexagonal bolt, and the nut 32 being a hexagonal nut; the flange plate 11 is provided with a mounting hole for mounting the fastener 3, the mounting hole is a countersunk hole, the through hole part of the countersunk hole is a mounting through hole 123 matched with the size of the bolt 31, and the countersunk hole part of the mounting hole is a polygonal contour hole 121 arranged corresponding to the outer contour of the nut 32 and a cylindrical contour hole 122 arranged corresponding to the head contour of the bolt 31, so that the fastener 3 can be conveniently mounted.
Referring to fig. 2, a metal gasket 2 is arranged in the flange plate 11, and the metal gasket 2 is embedded in the flange plate 11 of the hoop 1 when the hoop 1 is poured; the metal gaskets 2 on the two hoops 1 are respectively positioned between the mounting through holes 123 and the polygonal contour holes 121 and between the mounting through holes 123 and the cylindrical contour holes 122, the bolt through holes 21 penetrating through the bolts 31 are formed in the metal gaskets 2 in a penetrating mode, the metal gaskets 2 on the two hoops 1 are respectively abutted to the nuts 32 and the heads of the bolts 31, the metal gaskets 2 are abutted to the bolts 31 or the nuts 32, damage to the flange plate 11 made of plastic materials can be effectively reduced, and further the strength of the flange plate 11 is improved; the aperture of the bolt through hole 21 is smaller than or equal to that of the installation through hole 123, so that the metal gasket 2 is ensured to completely cover the hole wall of the plastic body around the installation through hole 123, and the damage of the metal gasket 2 to the hole wall of the plastic body around the installation through hole 123 can be reduced.
Referring to fig. 1 and 2, two fasteners 3 are mounted on a single flange plate 11 along the axial direction of the hoop 1, that is, two mounting holes are formed in the flange plate 11 to improve the connection strength; only one metal gasket 2 is arranged on a single flange plate 11, and a plurality of bolt through holes 21 are coaxially formed in the metal gasket 2 corresponding to the positions of the mounting holes in the flange plate 11; set up the area of contact between improvement metal gasket 2 that a monoblock metal gasket 2 can the at utmost and flange board 11, better improvement flange board 11's intensity.
Referring to fig. 1, the two axial ends of the hoop 1 are coaxially and integrally provided with circular arc-shaped reinforcing ring protrusions 15, and the reinforcing ring protrusions 15 can effectively enhance the structural strength of the hoop 1, so that the profile of the hoop 1 is not easy to change; triangular edge reinforcing ribs 14 are integrally arranged between the flange plate 11 and the reinforcing ring boss 15, the edge reinforcing ribs 14 can effectively enhance the connection strength between the main body of the hoop 1 and the flange plate 11, so that the flange plate 11 is not easy to bend relative to the hoop 1, and the two edge reinforcing ribs 14 are arranged at two ends of the flange plate 11; on the flange board 11, be provided with plate body strengthening rib 13 around the mounting hole an organic whole, plate body strengthening rib 13 can further strengthen the structural strength of flange board 11, further prevents that flange board 11 from taking place to warp.
Referring to fig. 1 and 3, a clamping ring protrusion 16 and a clamping ring protrusion 17 are coaxially and integrally arranged on the inner wall of the hoop 1, the clamping ring protrusion 16 is of a circular ring structure and is used for being clamped with a structure on a pipe joint, and the clamping ring protrusion 16 is arranged at one end of the hoop 1; the clamping ring protrusions 17 are toothed ring protrusions with triangular sections, can reliably clamp the rubber pipe and limit the movement of the rubber pipe, and three clamping ring protrusions 17 are arranged in the hoop 1 at equal intervals along the axial direction of the hoop 1 to ensure the fixing effect of the rubber pipe; the axial position of the gripper ring projection 17 is remote from the snap ring projection 16.
The embodiment of the application discloses a high strength's plastics safety clamp's implementation principle does: two staple bolts 1 connect fixed flange board 11 through fastener 3 and accomplish to connect fixedly, the hardness and the intensity of the safety clamp of plastics material are all lower, among the practical application, under the great condition of clamping-force of fastener 3, become long along with fixed time, flange board 11 can be by extrusion deformation, if staple bolt 1 is pulled and is pulled the deformation, flange board 11 is whole to be pulled and is buckled, the mounting hole on flange board 11 receives extrusion deformation, these circumstances can lead to staple bolt 1's the effect of holding tightly unreliable. By pre-burying the metal gasket 2 in the flange plate 11, the metal gasket 2 is abutted against the bolt 31 or the nut 32, and the contact area between the metal gasket 2 and the flange plate 11 is large, the pressure and physical damage to the flange plate 11 can be effectively reduced, the structural strength of the flange plate 11 is improved, and the flange plate 11 is prevented from deforming; the edge reinforcing ribs 14 are arranged, so that the connection strength between the flange plate 11 and the hoop 1 is enhanced, and the deformation of the connection part of the flange plate 11 and the hoop 1 is prevented; set up the protruding 15 of beaded finish at the both ends of staple bolt 1 to reinforcing staple bolt 1's structural strength, prevention staple bolt 1 takes place to warp. Under the condition that not too much increase material use, increase plastics safety clamp volume, through setting up structures such as metal gasket 2, marginal strengthening rib 14, reinforcing ring are protruding 15, effectively strengthened the structural strength that plastics safety clamped, plastics safety clamp can be reliable connect fixed coupling and rubber tube.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a plastics safety clamp of high strength which characterized in that: including semi-circular staple bolt (1) that two symmetries set up and fastener (3) of connecting two staple bolts (1), the equal an organic whole in both ends of staple bolt (1) circumference is provided with flange board (11), has seted up the installation on flange board (11) the mounting hole of fastener (3), flange board (11) with be fixed with metal gasket (2) on the butt face of fastener (3), metal gasket (2) are pre-buried in flange board (11).
2. A high strength plastic safety clip according to claim 1, wherein: fastener (3) are including bolt (31) and nut (32), the mounting hole is the counter bore, the counter bore part of mounting hole is divided into polygon profile hole (121) that sets up for corresponding nut (32) outline and cylinder profile hole (122) that the head profile that corresponds bolt (31) set up two kinds, the hole portion of mounting hole be with bolt (31) size matched with installation through-hole (123), metal gasket (2) set up between the counter bore part and the via hole part of counter bore.
3. A high strength plastic safety clip according to claim 2, wherein: a plurality of mounting holes are formed in the flange plate (11) along the axial direction of the hoop (1), only one metal gasket (2) is mounted on a single flange plate (11), and a plurality of bolt through holes (21) are formed in the metal gasket (2) in a coaxial penetrating mode and correspond to the mounting holes.
4. A high strength plastic safety clip according to claim 3, wherein: the aperture of the bolt through hole (21) is smaller than or equal to the aperture of the mounting through hole (123).
5. A high strength plastic safety clip according to claim 3, wherein: and plate body reinforcing ribs (13) are integrally arranged on the peripheral sides of the mounting holes on the flange plates (11).
6. A high strength plastic safety clip according to claim 1, wherein: and edge reinforcing ribs (14) are integrally arranged between the two ends of the flange plate (11) and the hoop (1).
7. A high strength plastic safety clip according to claim 6, wherein: the coaxial an organic whole in both ends of staple bolt (1) is provided with curved beaded finish (15), beaded finish protruding (15) with edge strengthening rib (14) are connected fixedly.
8. A high strength plastic safety clip according to claim 1, wherein: the coaxial integrative joint that is provided with the coupling joint of one end of staple bolt (1) encircles protruding (16) and the centre gripping ring of centre gripping rubber tube protruding (17), the protruding (16) of joint ring sets up the one end of staple bolt (1), the protruding (17) of centre gripping ring is kept away from the protruding (16) setting of joint ring.
9. A high strength plastic safety clip according to claim 8, wherein: the gripping ring is convex (17) and is triangular in cross section, the gripping ring is convex (17), and the gripping ring is convex (17) and is arranged in multiple ways along the axial direction of the hoop (1).
10. A high strength plastic safety clip according to claim 9, wherein: the central angle of the hoop (1) is smaller than 180 degrees.
CN202121555895.7U 2021-07-08 2021-07-08 High-strength plastic safety clamp Active CN214839128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121555895.7U CN214839128U (en) 2021-07-08 2021-07-08 High-strength plastic safety clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121555895.7U CN214839128U (en) 2021-07-08 2021-07-08 High-strength plastic safety clamp

Publications (1)

Publication Number Publication Date
CN214839128U true CN214839128U (en) 2021-11-23

Family

ID=78813583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121555895.7U Active CN214839128U (en) 2021-07-08 2021-07-08 High-strength plastic safety clamp

Country Status (1)

Country Link
CN (1) CN214839128U (en)

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