CN208153902U - A kind of novel clip - Google Patents

Abstract

The utility model proposes a new clamp, which solves the problem in the prior art that when the clamp is used, the bolt slides from the U-shaped clamping groove and affects the assembly efficiency and safety. The hoop includes a semicircular upper hoop and a lower hoop, one end of the upper hoop and the lower hoop are connected by a first hinge shaft, the other ends of the upper hoop and the lower hoop are fixed with U-shaped hoops, The opening of the U-shaped clamping groove faces away from the direction of the upper clamp and the lower clamp; it also includes bolts passing through the two U-shaped clamping grooves, and the U-shaped clamping groove of the lower clamp is provided with a second hinge shaft. The extension direction of the hinge shaft is perpendicular to the extension direction of the bolt. The second hinge shaft runs through one end of the bolt and is hingedly connected with it. The bolt can use the second hinge shaft as the rotation axis to rotate in the plane where the lower clamp is located. The other end of the bolt is threaded Cooperate with the nut, the U-shaped groove of the upper clamp is provided with a groove for accommodating the nut, the radial dimension of the nut is larger than the opening of the U-shaped groove, and the nut leans against the bottom surface of the groove.

Description

A new type of clamp

technical field

The utility model relates to the technical field of hoops, in particular to a novel hoop with simple structure and convenient use.

Background technique

The clamp is a connection device for grooved pipe fittings, valves and pipeline fittings, and is used as a clamp between quick-fit joints. Clamps generally include upper clamps, lower clamps, bolts, nuts and other components. One end of the bolt is fixed on the lower hoop, and a U-shaped slot is set on the upper hoop to allow the bolt to pass through, and the nut is tightened so that the upper and lower hoops gradually move closer together, and the quick-fit joint is tightened. During the actual clamp assembly and disassembly process, especially during the nut tightening and loosening process, the bolts often slip out from the U-shaped groove of the upper clamp, which makes the assembly parts drop and the assembly process is cumbersome, which seriously affects the assembly work efficiency and safety.

Utility model content

The utility model proposes a new type of clip, which solves the problem in the prior art that the bolts slip from the U-shaped clip groove when the clip is used, which affects the assembly efficiency and safety.

The technical scheme of the utility model is achieved in the following way: a new type of hoop, including a semicircular upper hoop and a lower hoop, the upper hoop and the lower hoop are arranged opposite to form a circular channel, and the upper hoop One end of the hoop and the lower hoop is connected by a first hinge shaft, and the upper hoop and the lower hoop can be opened and closed with the first articulation shaft as the rotation axis, and the other ends of the upper hoop and the lower hoop are fixed There is a U-shaped clamping groove, and the opening of the U-shaped clamping groove faces away from the upper clamp and the lower clamp;

It also includes bolts passing through the two U-shaped slots, the U-shaped slot of the lower clamp is provided with a second hinge shaft, and the extension direction of the second hinge shaft is perpendicular to the extension direction of the bolts , the second hinge shaft passes through one end of the bolt and is hingedly connected with it, the bolt can rotate in the plane where the lower clamp is located with the second hinge shaft as the rotation axis, and the other end of the bolt is threaded to fit the nut, so The U-shaped groove of the above clamp is provided with a groove for accommodating the nut, the radial dimension of the nut is larger than the opening of the U-shaped groove, and the nut abuts against the bottom surface of the groove to realize the fast connection between the upper clamp and the lower clamp.

As a preferred embodiment, in the plane where the upper clamp and the lower clamp are located, the linear distance between the second hinge axis and the farthest end of the bolt is greater than the distance between the second hinge axis and the opening of the U-shaped slot of the upper clamp. Farther straight-line distance.

As a preferred embodiment, the groove is located at a position where the upper clamp is away from the U-shaped groove of the lower clamp, the groove is cylindrical, and the outer peripheral surface of the nut is also cylindrical. The radial dimension of the groove is 1 mm larger than the radial dimension of the nut.

As a preferred implementation manner, the depth of the groove is 1/2 of the thickness of the U-shaped slot.

As a preferred embodiment, the end of the nut is also fixed with a screwing part, and a through screwing hole is opened on the screwing part, and the central axis of the screwing hole is aligned with the central axis of the bolt. Intersect perpendicularly.

After adopting the above technical scheme, the beneficial effect of the utility model is: the utility model is provided with a groove for accommodating the nut on the U-shaped groove of the upper clamp, and the radial dimension of the nut is larger than the U-shaped groove. The opening of the U-shaped card slot, so that when the nut is screwed on the bolt, the nut will gradually sink into the groove, and at the same time, as the screwing continues, the nut will not come out from the opening of the U-shaped card slot, that is, It is ensured that the bolt will not disengage from the opening of the U-shaped clamping groove. When the nut is screwed to the bottom surface of the groove, the upper clamp and the lower clamp can be firmly connected together. When it needs to be disassembled, it is only necessary to screw out the nut from the groove, and the bolt can be swung out from the U-shaped clamping groove, and the upper clamp and the lower clamp are separated.

In the plane where the upper clamp and the lower clamp are located, the linear distance between the second hinge axis and the farthest end of the bolt is greater than the linear distance between the second hinge axis and the farthest point at the opening of the U-shaped clamping groove. This structure can be used in When the nut is not unscrewed, the bolt is removed from the U-shaped slot, and the U-shaped slot will not hinder the movement of the nut.

Setting the radial dimension of the groove to be 1mm larger than the radial dimension of the nut can ensure that the nut has a certain rotation space and can be screwed onto the bolt smoothly.

The screwing part is fixed at the end of the nut, and a through screwing hole is opened on the screwing part at the same time. The central axis of the screwing hole is perpendicular to the central axis of the bolt, so that when the nut is screwed, the A long shaft is penetrated, and the nut can be screwed by applying a small rotational force to the long shaft.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the schematic sectional view of state one of this embodiment;

Fig. 3 is the schematic cross-sectional view of state two of this embodiment;

Fig. 4 is the sectional schematic diagram of state three of this embodiment;

In the figure: 1-upper clamp; 2-lower clamp; 3-round channel; 4-first hinge shaft; 5-upper U-shaped slot; 6-lower U-shaped slot; 7-bolt; 8- The second hinge shaft; 9-nut; 10-groove; 11-screw part; 12-screw hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one:

As shown in Figures 1 to 4, it is an embodiment of the new clamp of the present invention, which has an upper clamp 1, a lower clamp 2, a first hinge shaft 4, and an upper clamp with the same structure as the ordinary clamp. 1 and the lower clamp 2 are both semicircular, and they are arranged opposite to each other, and one end is connected with the first hinge shaft 4. In this way, the upper clamp 1 and the lower clamp 2 form a circular channel 3, and the two can be connected by the first hinge shaft 4. A hinged shaft 4 realizes opening and closing as a rotating shaft. When in use, pass the pipes to be connected through the circular passage 3, and use the clamping action of the upper clamp 1 and the lower clamp 2 to realize the connection of the pipelines.

The other ends of the upper clamp 1 and the lower clamp 2 are fixed with U-shaped clamping grooves, that is, the upper U-shaped clamping groove 5 and the lower U-shaped clamping groove 6, and the upper U-shaped clamping groove 5 and the lower U-shaped clamping groove 6. The openings all face a direction away from the upper clamp 1 and the lower clamp 2 . This embodiment also includes a bolt 7 passing through the upper U-shaped slot 5 and the lower U-shaped slot 6, the lower U-shaped slot 6 is provided with a second hinge shaft 8, and the second hinge shaft 8 The extension direction is perpendicular to the extension direction of the bolt 7, and the second hinge shaft 8 passes through one end of the bolt 7 and is hingedly connected with it, so that the bolt 7 can be rotated on the lower clamp 2 with the second hinge shaft 8 as the rotation axis. The other end of the bolt 7 is threaded with a nut 9 for rotation in the same plane. A groove 10 for accommodating the nut 9 is provided on the upper U-shaped groove 5, the radial dimension of the nut 9 is larger than the opening of the upper U-shaped groove 5, and the nut 9 abuts against the groove 10. On the bottom surface, the fastening connection between the upper clamp 1 and the lower clamp 2 is realized.

And the groove 10 is positioned away from the position of the lower U-shaped draw-in groove 6, the groove 10 is cylindrical, and the outer peripheral surface of the nut 9 is also cylindrical, and the radial dimension of the groove 10 is larger than that of the nut 9 The radial dimension of 1mm can ensure that the nut 9 has a certain rotation space, and it can be screwed onto the bolt 7 smoothly. In addition, the depth of the groove 10 is 1/2 of the thickness of the upper U-shaped groove 5, that is, B=2A in FIG. 2 .

In addition, in the plane where the upper clamp 1 and the lower clamp 2 are located, the linear distance between the second hinge shaft 8 and the farthest end of the bolt 7 is greater than the farthest point between the second hinge shaft 8 and the opening of the upper U-shaped clamping groove 5 The straight-line distance, that is, C>D in Figure 3, this structure can move the bolt 7 out of the upper U-shaped slot 5 without completely unscrewing the nut 9, and at the same time can ensure that the upper U-shaped card The slot 5 will not hinder the movement of the nut 9 (as shown in FIG. 4 ), thus greatly improving the efficiency of installation and disassembly of workers.

Finally, a screwing portion 11 is fixed at the end of the nut 9, and a through screwing hole 12 is opened on the screwing portion 11, and the central axis of the screwing hole 12 is perpendicular to the central axis of the bolt 7 Intersect, so that when the nut 9 is screwed, a long shaft can be inserted in the screw hole 12, and the nut 9 can be screwed by applying a small rotational force to the long shaft.

When the utility model is assembled, it comprises the following sequential steps

S1. Remove the nut from the bolt, the bolt is rotated out of the U-shaped groove of the upper clamp, and the gap between the upper clamp and the lower clamp is opened;

S2. Sleeve the upper clamp and the lower clamp on the pipeline to be connected, and merge the upper clamp and the lower clamp;

S3. Rotate the bolt around the second hinge shaft until it is rotated into the U-shaped slot of the upper clamp;

S4. Screw the nut on the bolt so that the nut is embedded in the groove of the U-shaped groove of the upper clamp;

S5. Continue to screw the nut until it rests on the bottom surface of the groove.

In the above step S5, the screwing shaft can be inserted into the screwing hole, and the screwing shaft can be rotated to realize the screwing of the nut.

The new hoop of the utility model has a simple structure and is easy to use, and can prevent the bolt from slipping from the U-shaped slot to affect the assembly efficiency and safety, and has good practicability.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (5)

1. A novel hoop, characterized in that: it comprises a semicircular upper hoop and a lower hoop, the upper hoop and the lower hoop are relatively arranged to form a circular passage, and the upper hoop and the lower hoop One end is connected by the first hinge shaft, the upper clamp and the lower clamp can be opened and closed with the first hinge shaft as the rotation axis, and the other ends of the upper clamp and the lower clamp are fixed with U-shaped clamping grooves , the opening of the U-shaped clamping groove faces a direction away from the upper clamp and the lower clamp; It also includes bolts passing through the two U-shaped slots, the U-shaped slot of the lower clamp is provided with a second hinge shaft, and the extension direction of the second hinge shaft is perpendicular to the extension direction of the bolts , the second hinge shaft passes through one end of the bolt and is hingedly connected with it, the bolt can rotate in the plane where the lower clamp is located with the second hinge shaft as the rotation axis, and the other end of the bolt is threaded to fit the nut, so The U-shaped groove of the above clamp is provided with a groove for accommodating the nut, the radial dimension of the nut is larger than the opening of the U-shaped groove, and the nut abuts against the bottom surface of the groove to realize the fast connection between the upper clamp and the lower clamp. 2. The new clamp according to claim 1, characterized in that: in the plane where the upper clamp and the lower clamp are located, the linear distance between the second hinge axis and the farthest end of the bolt is greater than the distance between the second hinge axis and the upper end of the bolt. The straight-line distance of the furthest point at the opening of the U-shaped slot of the clamp. 3. The novel clamp as claimed in claim 1, wherein the groove is located at a position where the upper clamp is away from the U-shaped groove of the lower clamp, the groove is cylindrical, and the nut is The outer peripheral surface is also cylindrical, and the radial dimension of the groove is 1 mm larger than the radial dimension of the nut. 4. The new clip according to claim 1, characterized in that: the depth of the groove is 1/2 of the thickness of the U-shaped clip groove. 5. The new clamp according to claim 1, characterized in that: the end of the nut is also fixed with a screwing part, and a through screwing hole is opened on the screwing part, and the screwing hole is The central axis perpendicularly intersects the central axis of the bolt.