CN219354309U - Bedside traction frame for department of bone fracture - Google Patents

Abstract

The utility model discloses a bedside traction frame for a bone fracture department, which comprises a U-shaped support (1), wherein hooks (2) are arranged at two ends of the U-shaped support (1), a bottom rod (3) which is obliquely arranged is arranged in the middle of the U-shaped support (1), a connecting rod (4) which is rotationally connected is arranged on the bottom rod (3), a traction pulley block (5) which is rotationally connected is arranged at the end part of the connecting rod (4), locking mechanisms (6) are arranged at the joint of the bottom rod (3) and the connecting rod (4) and the joint of the connecting rod (4) and the traction pulley block (5), the locking mechanisms (6) comprise elastic locking plates (7) which are symmetrically arranged at the side parts of the traction pulley block (5) and the end parts of the connecting rod (4), and inner plates (8) which are positioned between the corresponding elastic locking plates (7) are arranged at the end parts of the connecting rod (4); the utility model realizes the limit fixation of two-sided occlusion through the rotation of the cam, and has the characteristics of convenient use and good reliability.

Description

Bedside traction frame for department of bone fracture

Technical Field

The utility model relates to the field of medical appliances, in particular to a bedside traction frame for orthopedics.

Background

The utility model provides a head of a bed traction frame is medical instrument that orthopedics clinical is commonly used, help the patient to carry out joint reposition through producing traction force, for example, chinese patent of publication No. CN217138384U discloses a diversified angle adjustable head of a bed traction frame, including parts such as "U" shape frame, hollow couple and assembly pulley, utilize hollow couple to be fixed in the head of a bed, then utilize assembly pulley to connect the heavy object and by the traction position, realize the effect of pulling, and when carrying out angle modulation in the use, need twist the area ear nut and make and form the spacing fixed of interlock between mount pad and upper end collar and the lower extreme collar, and carry out the mode of fixing through twisting the nut comparatively loaded down with trivial details, be unfavorable for frequent regulation in clinic, and the spacing of interlock of unilateral can form great extrusion in the interlock department because the contact surface is little, use easily takes place to warp for a long time, the reliability is poor.

Disclosure of Invention

The utility model aims to provide a bedside traction frame for orthopedics. The utility model realizes the limit fixation of two-sided occlusion through the rotation of the cam, and has the characteristics of convenient use and good reliability.

The technical scheme of the utility model is as follows: the utility model provides a head of a bed traction frame for department of orthopedics, includes the U-shaped support, and the both ends of U-shaped support all are equipped with the couple, and the middle part of U-shaped support is equipped with the sill bar that the slope set up, is equipped with the connecting rod that rotates on the sill bar, and the tip of connecting rod is equipped with the traction pulley group that rotates to be connected, junction and connecting rod and traction pulley group's junction all are equipped with locking mechanical system, and locking mechanical system is including the elastic locking plate that the symmetry set up in traction pulley group lateral part and connecting rod tip, and the tip of connecting rod is equipped with the inner panel that is located between the corresponding elastic locking plate, and the both sides of inner panel all are equipped with annular distribution's interior interlock tooth, be equipped with the outer interlock tooth that agrees with interior interlock tooth on the medial surface of elastic locking plate, be equipped with sliding connection's spliced pole jointly on inner panel and the two elastic locking plates that correspond, the both ends of spliced pole are equipped with the extrusion plate and rotates the extrusion cam that is connected respectively, extrusion cam and extrusion plate are all laminated with the elastic locking plate lateral surface of corresponding side.

In the head traction frame for orthopedics, the distance between the elastic locking plates is larger than the width of the inner plate.

In the head traction frame for orthopedics, the end part of the hook is provided with a rotating sleeve which is horizontally connected in a rotating way, the side part of the rotating sleeve is provided with a closing plate, and the closing plate is provided with a clamping groove which is matched with the U-shaped bracket.

In the head traction frame for orthopedics, the end part of the hook is vertically arranged, and the side part of the U-shaped bracket is parallel to the end part of the hook.

In the head traction frame for orthopedics, the side surfaces of the extrusion cams are provided with the poking sheets.

In the head traction frame for orthopedics, the side surfaces of the extrusion cams are provided with the poking sheets.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model discloses a locking mechanism which comprises elastic locking plates symmetrically arranged at the side part of a traction pulley block and the end part of a connecting rod, wherein the end part of the connecting rod is provided with an inner plate positioned between the corresponding elastic locking plates, both sides of the inner plate are provided with inner engaging teeth in annular distribution, the inner side surface of the elastic locking plate is provided with outer engaging teeth matched with the inner engaging teeth, the inner plate and the corresponding two elastic locking plates are jointly provided with connecting columns in sliding connection, both ends of each connecting column are respectively provided with an extrusion plate and an extrusion cam in rotating connection, and the extrusion cams and the extrusion plates are respectively attached to the outer side surfaces of the elastic locking plates at the corresponding sides; when the device needs to be subjected to angle adjustment after the bed head is fixed, the connecting rod or the traction pulley block is rotated, the inner plate is enabled to rotate relatively between the two elastic locking plates at the corresponding sides, the extrusion cam at the end part of the connecting column is rotated after the inner plate is rotated to a proper angle, the elastic locking plates are extruded by the extrusion cam along with the extrusion of the elastic locking plates by the extrusion cam, the elastic locking plates at the other side are extruded by the extrusion plate at the corresponding sides under the driving of the connecting column, so that the external engaging teeth of the elastic locking plates at the two sides are engaged with the internal engaging teeth at the corresponding sides, limiting and fixing are realized, the engaging surface is effectively increased, the reliability is high, the service life is long, and meanwhile, the mode of fixing by the extrusion cam is convenient and rapid, and frequent adjustment is convenient.

2. The end part of the hook is provided with the rotating sleeve which is horizontally and rotatably connected, the side part of the rotating sleeve is provided with the closing plate, the closing plate is provided with the clamping groove which is matched with the U-shaped bracket, and after the hook is hung on a bed head, the closing plate is rotated by snapping the hook, so that the U-shaped bracket is embedded into the clamping groove to form a closure, the U-shaped bracket is prevented from being pulled upwards to be accidentally separated from the bed body, and the use safety is further improved.

3. The side surfaces of the extrusion cams are provided with the poking sheets, so that the cams are conveniently driven to rotate, and the convenience of use is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the structure of the locking mechanism of the present utility model.

The marks in the drawings are: a 1-U-shaped bracket; 2-hooking; 3-a bottom bar; 4-connecting rods; 5-traction pulley block; 6-a locking mechanism; 7-an elastic locking plate; 8-an inner plate; 9-inner biting teeth; 10-external biting teeth; 11-connecting columns; 12-extruding a plate; 13-pressing the cam; 14-rotating the sleeve; 15-a closure plate; 16-clamping grooves; 17-plectrum.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: the utility model provides a head of a bed traction frame for department of orthopedics, as shown in fig. 1, including U-shaped support 1, the both ends of U-shaped support 1 all are equipped with couple 2, the middle part of U-shaped support 1 is equipped with the sill bar 3 that inclines set up, be equipped with the connecting rod 4 of swivelling joint on the sill bar 3, the tip of connecting rod 4 is equipped with the traction pulley block 5 of swivelling joint, as shown in fig. 2, junction of sill bar 3 and connecting rod 4 and traction pulley block 5 all is equipped with locking mechanism 6, locking mechanism 6 includes the elastic locking plate 7 that sets up in traction pulley block 5 lateral part and connecting rod 4 tip symmetrically, the tip of connecting rod 4 is equipped with the inner panel 8 that is located between corresponding elastic locking plate 7, the both sides of inner panel 8 all are equipped with annular distribution's inner interlock tooth 9, be equipped with the outer interlock tooth 10 that agrees with inner interlock tooth 9 on the medial surface of elastic locking plate 7, be equipped with sliding connection's spliced pole 11 on inner panel 8 and the two corresponding elastic locking plate 7 jointly, the both ends of spliced pole 11 are equipped with extrusion plate 12 and swivelling joint extrusion cam 13 respectively, the lateral side of traction pulley block is the shell of extrusion plate 13 and extrusion cam 13 of extrusion plate side respectively; the distance between the elastic locking plates 7 is larger than the width of the inner plate 8, so that the outer engaging teeth of the elastic locking plates can be completely separated from the inner engaging teeth; the end part of the hook 2 is provided with a rotating sleeve 14 which is horizontally and rotatably connected, the side part of the rotating sleeve 14 is provided with a closing plate 15, and the closing plate 15 is provided with a clamping groove 16 which is matched with the U-shaped bracket 1; the end part of the hook 2 is vertically arranged, and the side part of the U-shaped bracket 1 is parallel to the end part of the hook 2, so that the U-shaped bracket can be conveniently embedded; the side surfaces of the extrusion cams 13 are respectively provided with a poking piece 17; the ends of the two elastic locking plates 7 at the side part of the traction pulley block 5 are connected.

Working principle: when the device needs to be subjected to angle adjustment after the bed head is fixed, the connecting rod or the traction pulley block is rotated, the inner plate is enabled to rotate relatively between the two elastic locking plates at the corresponding sides, the extrusion cam at the end part of the connecting column is rotated after the inner plate is rotated to a proper angle, the extrusion plate at the other side is driven by the extrusion cam to extrude the elastic locking plate along with the extrusion of the elastic locking plate, the outer occluding teeth of the elastic locking plates at the two sides are occluded with the inner occluding teeth at the corresponding sides, limiting fixation is achieved, the occluding surface is effectively increased, the reliability is high, the service life is long, the mode of fixing by the extrusion cam is convenient and quick, and frequent adjustment is facilitated.

The above examples only show embodiments of the present utility model, which are described in more detail and detail, but are not to be construed as limiting the scope of the utility model, and in the present examples, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a head of a bed traction frame for department of orthopedics, includes U-shaped support (1), and the both ends of U-shaped support (1) all are equipped with couple (2), and the middle part of U-shaped support (1) is equipped with sill bar (3) that the slope set up, is equipped with connecting rod (4) that rotate the connection on sill bar (3), and the tip of connecting rod (4) is equipped with traction pulley group (5) that rotate the connection, its characterized in that: the utility model discloses a connecting rod, including connecting rod (4), connecting rod (4) and traction pulley block (5), connecting rod (4) are equipped with inner panel (8) between connecting rod (4), inner side of inner panel (8) all is equipped with annular distribution's inner interlock tooth (9), be equipped with on the medial surface of inner interlock tooth (7) with outer interlock tooth (10) that inner interlock tooth (9) agrees with, be equipped with sliding connection's spliced pole (11) on inner panel (8) and two elastic locking plates (7) that correspond jointly, the both ends of spliced pole (11) are equipped with extrusion plate (12) respectively and rotate extrusion cam (13) of being connected, extrusion cam (13) and extrusion plate (12) all laminate with the elastic locking plate (7) lateral surface of corresponding side mutually.

2. A head of a bed traction frame for orthopedics as claimed in claim 1, wherein: the distance between the elastic locking plates (7) is larger than the width of the inner plate (8).

3. A head of a bed traction frame for orthopedics as claimed in claim 1, wherein: the end part of the hook (2) is provided with a rotating sleeve (14) which is horizontally connected in a rotating way, the side part of the rotating sleeve (14) is provided with a closing plate (15), and the closing plate (15) is provided with a clamping groove (16) which is matched with the U-shaped bracket (1).

4. A head of a bed traction frame for orthopedics as claimed in claim 3, wherein: the end part of the hook (2) is vertically arranged, and the side part of the U-shaped bracket (1) is parallel to the end part of the hook (2).

5. A head of a bed traction frame for orthopedics as claimed in claim 1, wherein: the side surfaces of the extrusion cams (13) are provided with poking sheets (17).

6. A head of a bed traction frame for orthopedics as claimed in claim 1, wherein: the ends of two elastic locking plates (7) at the side part of the traction pulley block (5) are connected.