CN209848141U

CN209848141U - Adjustable blocking clamp

Info

Publication number: CN209848141U
Application number: CN201920487340.XU
Authority: CN
Inventors: 尹星
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2019-12-27
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses an adjustable blocking clamp, which comprises a first clamping arm, wherein one end of the first clamping arm is hinged with the tail end of a second clamping arm, and the other end of the first clamping arm is hinged with a clamping tooth arm; an elastic pad is arranged in the middle of the side surface of the first clamping arm facing the second clamping arm; an elastic pad is arranged in the middle of the side face, facing the first clamping arm, of the second clamping arm, a clamping groove is formed in the head end of the second clamping arm, clamping bosses are arranged on two side walls of the clamping groove, and limiting bosses are arranged on the tops of the two side walls of the clamping groove; the two side surfaces of the latch arm, which are perpendicular to the rotating shaft, are symmetrically provided with a plurality of ratchets, the ratchets are matched with the clamping bosses, and the distance between the two limiting bosses is less than the width of the latch arm. The utility model discloses the multiple pipeline of adaptation prevents damage pipeline, convenient to use.

Description

Adjustable blocking clamp

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an adjustable blocks and presss from both sides.

Background

When a patient uses a tubular medical instrument to perform injection and extraction operations, such as nasal feeding, drainage, catheterization and the like, a blocking clamp and other devices are often needed to temporarily block liquid flow, the existing means for blocking the operations usually include bending a pipeline, and the blocking clamp is used, so that the existing blocking clamp is sharp in sealing, can damage the pipeline, and is not beneficial to the continuous use of the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable blocks the clamp, the multiple pipeline of adaptation prevents damage pipeline, convenient to use.

In order to achieve the purpose, the utility model adopts the following technical proposal to realize:

the utility model discloses an adjustable blocking clamp, which comprises a first clamping arm, wherein one end of the first clamping arm is hinged with the tail end of a second clamping arm, and the other end of the first clamping arm is hinged with a clamping tooth arm; an elastic pad is arranged in the middle of the side surface of the first clamping arm facing the second clamping arm; an elastic pad is arranged in the middle of the side face, facing the first clamping arm, of the second clamping arm, a clamping groove is formed in the head end of the second clamping arm, clamping bosses are arranged on two side walls of the clamping groove, and limiting bosses are arranged on the tops of the two side walls of the clamping groove; the two side surfaces of the latch arm, which are perpendicular to the rotating shaft, are symmetrically provided with a plurality of ratchets, the ratchets are matched with the clamping bosses, and the distance between the two limiting bosses is less than the width of the latch arm.

Preferably, the length of the first clamping arm is equal to that of the second clamping arm, and the latch arm is arc-shaped with the radius equal to that of the first clamping arm.

Preferably, the plurality of ratchet teeth are distributed at equal intervals along the length direction of the ratchet arm.

Preferably, the bottom of the clamping groove is in an arc shape matched with the clamping tooth arm.

Preferably, the ratchet is a right triangle with the hypotenuse facing the non-hinged end of the latch arm, and the clamping boss is a right triangle with the hypotenuse facing the first clamping arm.

Preferably, the elastic pad is made of elastic materials, and a friction structure is arranged on the abutting surface of the elastic pad.

The utility model has the advantages that:

1. the utility model discloses can not unidimensional pipeline of adaptation.

2. The utility model discloses can prevent to damage the pipeline.

3. The utility model discloses convenient to use can used repeatedly.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the second clamping arm B in FIG. 1;

FIG. 3 is a left side view of the second clamp arm;

fig. 4 is a sectional view in the direction of the latch arm a in fig. 1.

In the figure: 1-a first clamping arm, 2-a second clamping arm, 3-a clamping tooth arm, 4-a ratchet, 5-a clamping groove, 6-a clamping boss, 7-a limiting boss and 8-an elastic pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the present invention comprises a first clamping arm 1, one end of the first clamping arm 1 is hinged to the end of a second clamping arm 2, and the other end of the first clamping arm 1 is hinged to a latch arm 3; an elastic pad 8 is arranged in the middle of the side surface of the first clamping arm 1 facing the second clamping arm 2; an elastic pad 8 is arranged in the middle of the side surface of the second clamping arm 2 facing the first clamping arm 1, a clamping groove 5 is arranged at the head end of the second clamping arm 2, clamping bosses 6 are arranged on two side walls of the clamping groove 5, and limiting bosses 7 are arranged on the tops of the two side walls of the clamping groove 5; two side symmetries of 3 perpendicular to rotation axes of ratchet arms set up a plurality of ratchets 4, 4 adaptations of ratchet 4 block boss 6, two distance between the spacing boss 7 is less than the width of ratchet arm 3, 1 length of first arm lock with second arm lock 2 equals, ratchet arm 3 equals for the radius first arm lock 1's arc, and is a plurality of ratchet 4 is followed 3 length direction of ratchet arm is equidistant, 5 bottoms of block recess are the adaptation the arc of ratchet arm 3, ratchet 4 is the hypotenuse orientation the right angled triangle of 3 non-hinged ends of ratchet arm, block boss 6 is the hypotenuse orientation first arm lock 1's right angled triangle, elastic pad 8 is elastic material, elastic pad 8's binding face sets up friction structure.

During the in-service use, confirm after the clamping point, place the pipeline between first arm lock 1 and second arm lock 2, can with in the block recess 5 of block tooth arm 3 block, block boss 6 and the cooperation of ratchet 4 prevent that second arm lock 2 from outwards rotating, spacing boss 7 can block tooth arm 3, prevent that block tooth arm 3 from outwards rotating, can press from both sides tight first arm lock 1 and second arm lock 2 this moment, press from both sides the pipeline between two elastic pads 8.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides an adjustable blocks and presss from both sides which characterized in that: the clamping device comprises a first clamping arm (1), wherein one end of the first clamping arm (1) is hinged with the tail end of a second clamping arm (2), and the other end of the first clamping arm (1) is hinged with a clamping tooth arm (3);

an elastic pad (8) is arranged in the middle of the side surface of the first clamping arm (1) facing the second clamping arm (2);

an elastic pad (8) is arranged in the middle of the side surface of the second clamping arm (2) facing the first clamping arm (1), a clamping groove (5) is formed in the head end of the second clamping arm (2), clamping bosses (6) are arranged on two side walls of the clamping groove (5), and limiting bosses (7) are arranged on the tops of the two side walls of the clamping groove (5);

the ratchet arm (3) is perpendicular to two side faces of the rotating shaft and is symmetrically provided with a plurality of ratchets (4), the ratchets (4) are matched with the clamping bosses (6), and the distance between the two limiting bosses (7) is smaller than the width of the ratchet arm (3).

2. The adjustable occlusion clip of claim 1, wherein: first arm lock (1) length with second arm lock (2) equal, latch arm (3) are the radius and equal the arc of first arm lock (1).

3. The adjustable occlusion clip of claim 2, wherein: the ratchets (4) are distributed at equal intervals along the length direction of the ratchet arm (3).

4. The adjustable occlusion clip of claim 2, wherein: the bottom of the clamping groove (5) is in an arc shape matched with the clamping tooth arm (3).

5. The adjustable occlusion clip of claim 1, wherein: the ratchet (4) is a right-angled triangle with the hypotenuse facing the non-hinged end of the clamping tooth arm (3), and the clamping boss (6) is a right-angled triangle with the hypotenuse facing the first clamping arm (1).

6. The adjustable occlusion clip of claim 1, wherein: the elastic pad (8) is made of elastic materials, and a friction structure is arranged on the binding surface of the elastic pad (8).