CN210433478U

CN210433478U - Binding post for electrocardiosignal simulator and electrocardiosignal simulator

Info

Publication number: CN210433478U
Application number: CN201920707080.2U
Authority: CN
Inventors: 邓振进; 刘阳; 吴碧涛; 姚健; 彭再明
Original assignee: Changsha Alcan Electronic Co ltd; Hunan Testing Institute For Medical Devices
Current assignee: Changsha Alcan Electronic Co ltd; Hunan Testing Institute For Medical Devices
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-05-01
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a binding post for an electrocardiosignal simulator and the electrocardiosignal simulator, wherein the binding post comprises a post body, a through hole is arranged on the post body, and the axis of the through hole is vertical to the axis of the post body; the sliding cylinder and the spring are sleeved outside the cylinder body, the sliding cylinder is in clearance fit with the cylinder body, the outer wall of the cylinder body is provided with a limiting ring corresponding to the through hole, the top end of the sliding cylinder can be contacted with the limiting ring, and the bottom end of the sliding cylinder is abutted against the top of the spring; the top of the column body is provided with a convex part used for being connected with the button electrode; the bottom of the sliding cylinder is provided with an accommodating groove for accommodating the top of the spring; the outer wall of the top of the sliding cylinder is a conical surface, and the large end of the conical surface is far away from the limiting ring compared with the small end of the conical surface. The utility model discloses not only the commonality is good, convenient to use is applicable to the banana head of multiple specification, still is applicable to button electrode, can the wide application in any occasion that needs connect the heart electric lead line, and easy operation is convenient, and the card straining contacts reliably.

Description

Binding post for electrocardiosignal simulator and electrocardiosignal simulator

Technical Field

The utility model particularly relates to a terminal and electrocardiosignal analog instrument for electrocardiosignal analog instrument.

Background

On devices such as an electrocardiosignal simulator and an electrocardiograph test, an electrocardiolead wire is required to be connected into the test device, and because the electrode end of the tested device has various structures, the binding post of the test device is generally required to be connected into a common lead wire with the following three binding posts: first, banana heads with a diameter of 4 mm; second, banana heads with a diameter of 3 mm; and the third, button electrode.

The binding post for the existing electrocardiosignal simulator can only be connected with one of the three lead wires generally, and has poor universality and inconvenient use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a good, convenient to use's terminal and electrocardiosignal analog instrument for electrocardiosignal analog instrument to the not enough of above-mentioned prior art of commonality.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a binding post for an electrocardiosignal simulator comprises a column body, wherein the column body is provided with a through hole, and the structure is characterized in that the axis of the through hole is vertical to the axis of the column body; the cylinder overcoat is established a sliding cylinder and spring, sliding cylinder and cylinder clearance fit, is equipped with the spacing ring that corresponds with the through-hole position on the cylinder outer wall, and the sliding cylinder top can contact with the spacing ring, and the sliding cylinder bottom and spring top butt.

Borrow by above-mentioned structure, the utility model discloses but banana head of multiple specification of adaptation. When the terminal was connected with the line of leading of taking the banana head, pushed down the sliding barrel, in the banana head that will lead on the line inserted the through-hole, the elastic force of spring can compress tightly the banana head through the sliding barrel, realizes the reliable contact of banana head and cylinder. The limiting ring is used for limiting the stroke of the sliding cylinder.

Furthermore, the top of the column body is provided with a convex part used for being connected with the button electrode.

Borrow by above-mentioned structure, the utility model discloses both be applicable to the banana head of multiple specification, still be applicable to button electrode.

Preferably, the bottom of the sliding cylinder is provided with a receiving groove for receiving the top of the spring.

In the holding tank was located at the spring top, realized reliable stable butt.

Preferably, the outer wall of the top of the sliding cylinder is a conical surface, and the large end of the conical surface is farther from the limiting ring than the small end of the conical surface.

Borrow by above-mentioned structure, the utility model discloses when linking to each other with the banana head, aim at the through-hole with the banana head toward the interpolation, in the banana head can be in the same direction as conical surface down remove and finally insert the through-hole, the operation is very simple and convenient, can realize one-hand operation.

As a preferred mode, the bottom of the column body is provided with a screw rod part, and the screw rod part is in threaded connection with a nut.

The utility model discloses a screw rod portion and nut realize with being connected of circuit board on the electrocardiosignal analog appearance.

Based on the same invention concept, the utility model also provides an electrocardiosignal simulator, including the circuit board, its structural feature still includes electrocardiosignal simulator for the terminal, the cylinder links to each other with the circuit board, and the cylinder is connected with the circuit board electricity.

As a preferred mode, be equipped with the mounting hole on the circuit board, the mounting hole has the internal thread with screw rod portion matched with, and the cylinder bottom links to each other with the circuit board through the mating reaction of screw rod portion and nut.

Compared with the prior art, the utility model discloses not only the commonality is good, convenient to use is applicable to the banana head of multiple specification, still is applicable to button electrode, can wide application in any occasion that needs connect the heart electric lead line, and easy operation is convenient, and the card straining contacts reliably.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the binding post of the present invention.

The nut comprises a cylindrical body 1, a through hole 101, a limiting ring 102, a convex part 103, a screw part 104, a sliding cylinder 3, a containing groove 301, a conical surface 302, a spring 4 and a nut 5.

Detailed Description

As shown in fig. 1, the binding post for the electrocardiosignal simulator comprises a column body 1, wherein a through hole 101 is formed in the column body 1, and the axis of the through hole 101 is vertical to the axis of the column body 1; the cylinder 1 is sleeved with a sliding cylinder 3 and a spring 4, the sliding cylinder 3 is in clearance fit with the cylinder 1, and the outer wall of the cylinder 1 is provided with a limiting ring 102 corresponding to the through hole 101 for preventing the sliding cylinder 3 from sliding upwards. The top end of the sliding cylinder 3 can contact with the limit ring 102, and the bottom end of the sliding cylinder 3 is abutted against the top of the spring 4. The top of the column 1 is provided with a convex part 103 for connecting with a button electrode. The convex portion 103 has an ellipsoidal shape. The outer wall of the top of the sliding cylinder 3 is a conical surface 302, and the large end of the conical surface 302 is far away from the limit ring 102 than the small end of the conical surface 302.

The terminal both had been applicable to the banana head of multiple specification, still was applicable to button electrode.

When the wiring terminal is connected with the lead wire with the banana head, the banana head is aligned with the through hole 101 and inserted inwards, the banana head presses the sliding barrel 3 downwards, and the banana head can move downwards along the conical surface 302 and is finally inserted into the through hole 101.

The clearance between the sliding cylinder 3 and the column body 1 is subject to the sliding cylinder 3 being able to slide freely.

The bottom of the sliding cylinder 3 is provided with a containing groove 301 for containing the top of the spring 4. The top of the spring 4 is arranged in the accommodating groove 301, so that reliable and stable butt joint is realized.

The bottom of the column body 1 is provided with a screw rod part 104, and the screw rod part 104 is in threaded connection with the nut 5. The binding post is connected with a circuit board on the electrocardiosignal simulator through the screw part 104 and the nut 5.

One specific construction of the binding post is shown in fig. 1, and the through hole 101 is 4.2mm in diameter, which is suitable for 3mm and 4mm banana head, button electrodes. The free height of the spring 4 is about 12mm, and the diameter is about 8 mm.

The utility model also provides an electrocardiosignal analog instrument, reach including the circuit board electrocardiosignal analog instrument terminal for, cylinder 1 links to each other with the circuit board, and cylinder 1 is connected with the circuit board electricity. The circuit board is provided with a mounting hole, the mounting hole is provided with an internal thread matched with the screw rod part 104, and the bottom of the column body 1 is connected with the circuit board through the matching action of the screw rod part 104 and the nut 5.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.

Claims

1. A binding post for an electrocardiosignal simulator comprises a post body (1), wherein a through hole (101) is formed in the post body (1), and is characterized in that the axis of the through hole (101) is vertical to the axis of the post body (1); the cylinder (1) is sleeved with a sliding cylinder (3) and a spring (4), the sliding cylinder (3) is in clearance fit with the cylinder (1), the outer wall of the cylinder (1) is provided with a limiting ring (102) corresponding to the through hole (101), the top end of the sliding cylinder (3) can be in contact with the limiting ring (102), and the bottom end of the sliding cylinder (3) is abutted to the top of the spring (4).

2. The binding post for electrocardiosignal simulator according to claim 1, wherein the top of the post body (1) is provided with a convex part (103) for connecting with a button electrode.

3. The binding post for the electrocardiograph according to claim 1, wherein the bottom of the sliding barrel (3) is provided with a receiving groove (301) for receiving the top of the spring (4).

4. The binding post for the electrocardiograph signal simulator according to any one of claims 1 to 3, wherein the outer wall of the top of the sliding barrel (3) is a conical surface (302), and the large end of the conical surface (302) is farther from the retainer ring (102) than the small end of the conical surface (302).

5. The binding post for the electrocardiosignal simulator according to any one of claims 1 to 3, wherein a screw part (104) is arranged at the bottom of the column body (1), and the screw part (104) is in threaded connection with the nut (5).

6. An electrocardiosignal simulator comprises a circuit board and is characterized by further comprising the wiring terminal for the electrocardiosignal simulator as claimed in any one of claims 1 to 5, wherein the column body (1) is connected with the circuit board, and the column body (1) is electrically connected with the circuit board.

7. The electrocardiosignal simulator according to claim 6, wherein a screw part (104) is arranged at the bottom of the column body (1), and the screw part (104) is in threaded connection with the nut (5); the circuit board is provided with a mounting hole, the mounting hole is provided with an internal thread matched with the screw rod part (104), and the bottom of the column body (1) is connected with the circuit board through the matching action of the screw rod part (104) and the nut (5).