CN2237772Y

CN2237772Y - Pipe sleeve clamp

Info

Publication number: CN2237772Y
Application number: CN95228087U
Authority: CN
Inventors: 陈旺松
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-01
Filing date: 1995-12-01
Publication date: 1996-10-16
Anticipated expiration: 2005-12-01

Abstract

The utility model relates to a pipe sleeve clamp, comprising two corresponding clamp pieces, the pivot joint end of the clamp pieces is in pivot connection by two connecting pieces, the other one is a movable end which is matched with a supporting bolt rod and a locking element, and the movable end can be closed and locked; both sides of the pivot joint end are respectively formed with a concave part, the connecting pieces are arranged in the concave parts, and the good clamping function can be achieved, one side of each concave part is provided with an arch-shaped guide face, when the two clamp pieces are rotated correspondingly, the guide faces can provide the smooth operating performance, and the riveted operation is easy.

Description

Pipe sleeve clamp

The utility model relates to a kind of pipe connector, particularly relates to a kind of simply constructed Pipe sleeve clamp.

Employed pipe fitting must be taken cleaning often apart in the normal food machinery, so, a Pipe sleeve clamp can be in the pre-position be set, and the mat Pipe sleeve clamp can close joint with relative two pipe fittings end in good time, or Pipe sleeve clamp unclamped and make the two pipe fittings separation of butt joint.

As shown in Figure 1, Pipe sleeve clamp in the past comprises two intermediate plates 1, two connecting plate 2, a tightening latch 3 and a lock member 4.Intermediate plate 1 curved strip, its inner ring surface is provided with the groove 11 ' of a tool appropriate depth and width; And the one end is provided with a pin-and-hole 13 ', and the other end is then for being provided with the U type end of opening notch 18 ' outwardly.Connecting plate 2 two ends respectively utilize a rivet 5 to be riveted in the pin-and-hole 13 ' of two intermediate plates 1, and two intermediate plates 1 can rotate for the center by rivet 5.One end of tightening latch 3 is provided with the spindle nose 31 ' of a tool one horizontal axis hole, and this spindle nose 31 ' is hubbed in the notch 18 ' of an intermediate plate 1 wherein, and the other end side face of this tightening latch 3 is provided with screw thread 32 '.Lock member 4 just is arranged on the screw thread 32 '.

As shown in Figure 2, packing ring 7 of installing between the two pipe fittings 6.When pipe fitting 6 ends, can be set in the groove 11 ' of two intermediate plates 1 mutually during butt joint along the flange that extends radially outwardly 61.And tightening latch 3 is provided with an end span of screw thread 32 ' and is located in the notch 18 ' of another intermediate plate 1, and utilizes lock member 4 to screw tight in the notch 18 ' outside, and the flange 61 of this two pipe fittings 6 will be tightened by cramping, reaches the joint purpose.On the contrary, when unscrewing lock member 4, and tightening latch 3 is broken away from from notch 18 ', two intermediate plates 1 can relatively outwards rotate for center of rotation by rivet 5, just can successfully dismantle two pipe fittings 6.Though this Pipe sleeve clamp is convenient in the use, has following shortcoming:

One, intermediate plate 1 is to shake polishing processing again lost wax casting Hou.To add man-hour bigger by the thickness wearing and tearing of what vibrations processing polishing, make the thickness uniformity at each position, intermediate plate 1 side wayward, if error is arranged slightly, the variable thickness of two intermediate plates, 1 opposite end is caused, when articulating with connecting plate 2, can make and produce the blocking phenomenon between connecting plate 2 and the intermediate plate 1, the action when operation intermediate plate 1 also can be affected and have some setbacks.

Two, be convexly equipped with in the outside of intermediate plate 1 bi-side by what connecting plate 2, when rivet 5 when riveting, the thickness of connecting plate 2 can influence the assembly work of connecting plate 2 and intermediate plate 1.

When three, intermediate plate 1 relatively rotates with connecting plate 2, not have the position of guiding between the two, the act of operation that intermediate plate 1 is rotated is wayward and have some setbacks.

The purpose of this utility model is providing a kind of Pipe sleeve clamp, and the assembly precision of may command intermediate plate and connecting plate makes the operation of intermediate plate quite smooth and easy, and the processing ease of riveted joint.

For achieving the above object, the utility model provides a kind of Pipe sleeve clamp, it comprises the intermediate plate of two arc plate bulks, two connecting plate that are located between this intermediate plate, a tightening latch and a lock member, the interior side ring surface of two intermediate plates is concaved with a draw-in groove, one end of intermediate plate is for articulating the pivot end of this two connecting plate, the other end is a movable end, movable end is provided with a unidirectional opening of tool and opening notch outwardly, each is articulated in the pivot end of two intermediate plates rotationally two connecting plate two ends with a joint element, this tightening latch is elongated rod shape, the one end is the spindle nose of a tool one horizontal axis hole, spindle nose is articulated in the notch of an intermediate plate wherein rotationally, its the other end is crossed in the notch of another intermediate plate, this lock member is arranged in the end of this spindle nose, and the both sides of the pivot end of this two intermediate plate respectively are formed with a depressed part, is formed with a guiding face that is arc surfaced between this depressed part and intermediate plate bi-side, this two connecting plate is located in this depressed part, and this guiding face place of symmetry what, two ends respectively is formed with a circular arc part.

Structure by this, this depressed part be through special processing control accuracy at an easy rate, and easy with the connecting plate assembly, and the action that intermediate plate is rotated is smooth and easy.This guiding face can make two intermediate plates form guide function when relatively rotating, and makes rotation quite smooth and easy.

Below by Cui embodiment and accompanying drawing Pipe sleeve clamp of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the perspective exploded view of Pipe sleeve clamp in the past.

Fig. 2 be in the past Pipe sleeve clamp be used in combination cross-sectional schematic.

Fig. 3 is the exploded perspective view of the utility model than Cui embodiment.

Fig. 4 is the be used in combination sectional view of the utility model than Cui embodiment.

Fig. 5 is the end view of the utility model than Cui embodiment.

Fig. 6 is the unlatching schematic representation of the utility model than Cui embodiment.

As shown in Figure 3, the utility model embodiment's Pipe sleeve clamp is roughly identical with above-mentioned Pipe sleeve clamp in the past, comprises two intermediate plates 10, two connecting plate 20, a tightening latch 30 and a lock member 40.

Two intermediate plates 10 are roughly curved plate-like, and side ring surface is concaved with a draw-in groove 11 with appropriate depth and width along length direction in it.Intermediate plate 10 wherein on the pivot end 12 pipe fitting 50 (as Fig. 4) along want cartridge clip axially be equipped with a pin-and-hole 13, and respectively be formed with a depressed part 15 that inwardly concaves in the both sides of intermediate plate 10 bi-side 14 and pivot end 12, pin-and-hole 13 is located in the

depressed part

15,14 guiding faces 16 that form an arc surfaced in depressed part 15 and side.The other end of intermediate plate 10 forms the movable end 17 of a kink shape, then laterally is provided with one on this movable end 17 and has unidirectional opening and opening notch 18 outwardly.

Connecting plate 20 is curved tabular, two ends respectively are provided with a hole 21, and joint element 22 a rivetings knot of mat such as rivet connecting plate 20 is located in the depressed part 15 rotationally, and two ends also respectively forms the circular arc part 23 of this guiding face 16 of corresponding what in the pin-and-hole 13 of hole 21 and intermediate plate 10.

Tightening latch 30 is elongated rod shape of tool predetermined length, and the one end is the spindle nose 31 of a tool one horizontal axis hole, and this spindle nose 31 is articulated in the notch 18 of an intermediate plate 10 wherein rotationally; The other end side face of tightening latch 30 is provided with the screw thread 32 of tool suitable length, can be crossed in the notch 18 of another intermediate plate 10, and be screwed into for lock member 40.The adjustment of this lock member 40 of mat makes two intermediate plates 10 tighten or open.

Cooperate shown in Fig. 4,5, in the time will tightening pipe fitting 50, earlier two pipe fittings 50 is provided with the end butt joint of flange 51, and lining is established a packing ring 60 between two flanges 51, two intermediate plates 10 are outwards pulled open again, the movable end 17 of two intermediate plates 10 is opened, the joint Hou that makes two intermediate plates 10 aim at pipe fitting 50 is inserted in.When the movable end 17 of two intermediate plates 10 gradually near the time, flange 51 can embed in the draw-in groove 11, be the center rotation with this tightening latch 30 with pivot pin 31 earlier, and an end span that will be provided with screw thread 32 is located in the notch 18 of another intermediate plate 10.In the time that pipe fitting 50 will be tightened,, just can make the movable end 17 of locking element 40 these two intermediate plates 10 of compressing as long as screw this lock member 40.

In the time will dismantling pipe fitting 50,, tightening latch 30 is broken away from from the notch 18 of an intermediate plate 10 as long as unscrew lock member 40.As shown in Figure 6, this two intermediate plate 10 can be that center of rotation is outwards rotated with joint element 22, and the movable end 17 of two intermediate plates 10 is opened, and at this moment, can successfully dismantle two pipe fittings 50, so that the work of clearing up, keeping in repair.

Therefore, the utility model can reach the purpose of tightening butt joint two pipe fittings 50 equally, and the utility model can produce following effect:

(1) lost wax casting is finished Hou, pivot end 12 both sides of intermediate plate 10 have been formed with depressed part 15, polishing processing Hou is shaken in intermediate plate 10 bi-side 14, depressed part 15 is again through special processing, keep suitable straightness and fineness, and when connecting plate 20 is articulated in the depressed part 15, can make to keep uniform gap degree between connecting plate 20 and intermediate plate 10 both sides, so that the operation of intermediate plate 10 is smooth and easy.

(2) connecting plate 20 is installed in the depressed part 15 fully, and connecting plate 20 is flushed with intermediate plate 11 sides 14, and when carrying out riveting operation, the symmetry plane of connecting plate 20 and intermediate plate 11 can stably be flattened on the worktable, can rivet smoothly.

(3) intermediate plate 10 and connecting plate 20 are when relatively rotating, the guiding face 16 of depressed part 15 sides provides the position of intermediate plate 10 smooth and easy rotations, and when intermediate plate 10 turns to predetermined angle, as shown in Figure 6, guiding face 16 a wherein ora terminalis support to end on the circular arc part 23 of connecting plate 20 and locatees, and comparison is certain operation in.

(4) the little what of spacing of the intermediate plate 10 both sides depressed parts 15 formed spacing in intermediate plate bi-side in the past, under identical moment (Torque) condition, the force rate that the utility model two intermediate plates 10 are bestowed pipe fitting 50 is bigger, has the effect of tightening than Cui.

Claims

1. a Pipe sleeve clamp comprises that the intermediate plate, two of two arc plate bulks is located at connecting plate, a tightening latch and the lock member between intermediate plate, the interior side ring surface of two intermediate plates is concaved with a draw-in groove, one end of intermediate plate is for articulating the pivot end of this two connecting plate, the other end is a movable end, movable end is provided with unidirectional opening of a tool and opening notch outwardly, and each is articulated in the pivot end of two intermediate plates rotationally two connecting plate two ends with a joint element; Tightening latch is elongated rod shape, and the one end is the spindle nose of a tool one horizontal axis hole, and this spindle nose is articulated in the notch of an intermediate plate wherein rotationally, and its other end is crossed in the notch of another intermediate plate; Lock member is arranged in the end of spindle nose, and its feature is at what:

The both sides of the pivot end of described two intermediate plates respectively are formed with a depressed part, be formed with a guiding face that is arc surfaced between described depressed part and intermediate plate bi-side, this two connecting plate is located in this depressed part, and this guiding face place of symmetry what, two ends respectively is formed with a circular arc part.