SU422871A1 - WEDGE CLIP - Google Patents

Description

one

The invention relates to mechanical engineering and can be used to connect parts with their sealing but the joint.

A wedge clamp is known, comprising a bolt with a working clip surface, which is movably mounted in the axial direction in the housing and which, with its front part, enters the loop that moves perpendicular to the direction of movement of the bolt.

However, due to the fact that there is no stoher mechanism in this m., And the working wedge surface serves only for the bolt to enter the loop, it cannot develop the force needed to seal the joint of parts, and therefore can only fix parts with respect to each other.

In order to make it possible to use a wedge clamp for crimping pumpkins with a sealing seal, it is equipped with a set of elastic flat split rings mounted on a crossbar, made with a shank of smaller diameter, on which a part of these rings fixing the crossbar in working position, and its working the wedge surface interacting with the loop, the bolt is turned in the direction of the latter's movement towards the closure. In addition, the clamp is equipped with a fuse, made in the form of a rotary key, which ensures the locking of the bolt in the cocked position, i.e. there is no need for the clamping of the clamp directly during the work itself.

FIG. 1 shows the proposed clamp, longitudinal section (given in the cocked state); in fig. 2 - the same (the clamp is in operation); in fig. 3 - fuse design; in fig. 4 - section aa and fng. 2; in fig. 5 - section along

Bb pa fig. 2

In the case of the clamp, mounted on one of the joined parts, there is an actuating element of the construction bolt 2 with a shank of smaller diameter and a working

wedge top on its front.

In the cocked state, the bolt is held by a fuse made in the form of a rotary key 3. To reduce the loads

Roller 4 is provided on the bolt in the lock design. The elements forming the locking mechanism 5 are unfolded and held in this state by the body of a bolt of a larger diameter than the shank. A set of resilient flat split rings, cut into the formers and hardened in a compressed state, can be used as a locking mechanism.

Loop 6 with roller 7 setting

the strand part (and FIG.

The clamp body together with the guides 8 forms a clamp groove. The guides 8 as well as the guides 9 are designed to reduce the loads imposed on the bolt and the hinge during the operation of the clamp.

When the hinge enters the clamp groove when the docking parts approach, it pivots the pivot pin 3, which at the moment when the window of the hinge 6 becomes opposite to the front part of the crossbar 2, unlocks it, and it starts moving under the action of a constant applied force F in the direction perpendicular The direction of motion of the loop, and entering into its window, seizes the loop.

Then, under the action of the same force F, the bolt continues to move and draws the loop deeper into the clamp, and reciprocal prying parts of the joint occur. The force Q, which the bolt 2 develops in the direction of movement of the petrol, is determined by the relation Q -, where

tgi

F is the angle between the working surface of the bolt and the direction of its movement. For small angles φ (on the order of 5-10 °), the developed force Q substantially exceeds the initial force F. This force Q also reduces the sealing seal between the parts to be joined.

As the bolt moves, the rings of the locking mechanism 5 fill the space formed when the bolt 2 moves relative to the clamping body. In the event that the value F or the time for its operation does not reach the required values, then the locking mechanism will not allow the bolt to return to its original position and therefore will not allow the parts to be joined to disperse. The force F may be electrical, mechanical or hydraulic. The mechanism that creates it is selected each time depending on the specific working conditions of the clamp.

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Subject matter

Claims (2)

1. A wedge clamp containing a bolt with a working wedge surface mounted movably in the axial direction in the housing and entering with its front part into a loop moving perpendicular to the direction of movement of the deadbolt, characterized in that in order to be able to use it for reduction joints with a sealing seal, it is equipped with a set of elastic flat split rings mounted on a bolt, made with a shank of smaller diameter, on which a part of these rings is located, locking the bolt in the working position, and the bolt is facing in the direction of movement with its wedge surface that interacts with the loop Sooner on the closure. 2. Clamp according to claim 1, characterized in that, in order to allow the bolt to lock in the cocked position, it is provided with a fuse, made in the form of a turn key. Pvz.5