Connecting mechanism of electrocardio-electrode slice

Abstract

The utility model relates to the technical field of medical instruments, in particular to an electrocardio electrode slice connecting mechanism which comprises an electrode slice, a connecting contact and a connecting piece body, a square groove is formed in the top of the connecting piece body, and a fixing block matched with the square groove in shape is fixed in the square groove. The bottom of the square groove is provided with a copper plate sliding groove used for sliding of the connecting copper plate, and the middle of the right end of the connecting copper plate is connected with a wire. The bottom of the copper plate sliding groove is provided with a round hole used for insertion of a connecting contact, the top of the connecting contact makes contact with the lower surface of the connecting copper plate, and the side wall of the connecting contact is clamped through clamping mechanisms arranged on the two sides of the lower portion of the inner wall of the round hole. The connecting contact is inserted into the round hole in the bottom of the connecting piece body, the top of the connecting contact makes contact with the bottom of the connecting copper plate to supply power to the electrode slice, the two sides of the bottom of the connecting contact are clamped through the clamping mechanisms on the two sides of the inner wall of the round hole, and rapid connection between the electrode slice and the connecting piece body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a kind of connecting mechanism of electrocardio electrode piece. BACKGROUND

[0002] Electrocardiogram (ECG) is the technique using electrocardiograph to record the electrical activity variation graph of each cardiac cycle generated by heart. In order to obtain medical signals, electrocardiogram electrode pieces are applied to various parts of the patient's skin. After the electrodes are placed on the patient's skin, the electrodes are connected to the electrocardiograph monitor through a set of wires to receive medical signals from the human body. Electrocardiogram examination is the most basic examination, and medical staff need to examine more patients every day. The electrode pieces used for electrocardiogram examination are usually disposable, and the medical staff need to immediately disassemble and replace the electrode connecting piece and the electrode piece after examining a patient. Therefore, the quick installation and quick disassembly of the electrode connecting piece and the electrode piece can greatly reduce the labor intensity of medical staff and improve work efficiency.

[0003] Based on the above problems, the utility model provides a kind of connecting mechanism of electrocardio electrode piece. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiencies of prior art, providing a kind of connecting mechanism of electrocardio electrode piece, by connecting contact head insertion connecting piece body bottom round hole, the top of connecting contact head and the bottom of connecting copper plate contact give electrode piece power supply, the bottom of connecting contact head is clamped by the clamping mechanism of the two sides of round hole inner wall two sides, realizes the quick connection of electrode piece and connecting piece body.

[0005] In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

[0006] The utility model discloses a kind of connecting mechanism of electrocardio electrode piece, including electrode piece, connecting contact head, connecting piece body, the electrode piece is circular structure, its top middle and the bottom of connecting contact head are connected;The top of the connecting piece body is equipped with square groove, the square groove is fixed with the fixed block that shape is matched therewith, the bottom of the square groove is equipped with copper plate sliding groove for connecting copper plate sliding, the right end middle part of the connecting copper plate is connected with wire;The bottom of the copper plate sliding groove is equipped with round hole for connecting contact head insertion, the top of connecting contact head and the lower surface of the connecting copper plate contact, the connecting contact head side wall is clamped by the clamping mechanism of the two sides of the round hole inner wall lower side setting.

[0007] The clamping mechanism comprises a limiting block, a thin rod, a thick rod and a first compression spring, the inner wall of the round hole is provided with thick rod sliding grooves on both sides below the round hole for the thick rod to slide, the outer end of the thick rod sliding groove is provided with a thin rod sliding groove in the middle for the thin rod to slide, the outer end of the thick rod is connected with the inner end of the thin rod, the outer end of the thin rod is connected with the inner wall of the limiting block, the first compression spring is sleeved on the outside of the thin rod, and the outer diameter of the limiting block is larger than the outer diameter of the thin rod; the connecting contact comprises a contact, a first connecting rod and a second connecting rod, the contact is in a semispherical structure with a flat bottom, the outer diameter of the contact is equal to the inner diameter of the round hole, the top of the first connecting rod is connected with the middle of the bottom of the contact, the outer diameter of the first connecting rod is smaller than the outer diameter of the contact, the outer diameter of the second connecting rod is larger than the outer diameter of the first connecting rod, and the top end and the bottom end of the second connecting rod are connected with the bottom of the first connecting rod and the top center of the electrode sheet respectively; when the top of the contact is in contact with the bottom of the connecting copper plate, the inner end top of the thick rod is clamped with both sides of the bottom of the contact.

[0008] The outer part of the first connecting rod is sleeved with a dismounting piece, the dismounting piece is in an annular structure, the dismounting piece comprises an upper dismounting piece and a lower dismounting piece, the side wall section of the upper dismounting piece and the side wall section of the lower dismounting piece form an isosceles triangle structure with the outer part being convex, the bottom of the contact is provided with an upper dismounting piece groove matched with the shape of the upper dismounting piece; the inner end face of the thick rod forms an inclined surface, the bottom end of the inclined surface is inclined outward, when the limiting block is in contact with the outer wall of the connecting piece body, the inner end top of the thick rod can be in contact with the side wall inclined surface of the lower dismounting piece; the right end of the connecting copper plate is connected with the right side inner wall of the copper plate sliding groove through a second compression spring, the left side of the connecting copper plate is provided with a through hole matched with the cross section shape of the round hole, and the left end of the copper plate sliding groove is provided with a push plate sliding groove for the push plate to slide; the lower surface of the fixed block is provided with a temporary groove coaxial with and equal in diameter to the round hole.

[0009] The outer end face of the push plate is connected with a push assisting block, the width of the push assisting block is greater than the width of the push plate; the width of the push plate sliding groove is smaller than the width of the copper plate sliding groove, and when the inner wall of the push assisting block is in contact with the outer wall of the connecting piece body, the through hole is coincided with the round hole.

[0010] The utility model discloses beneficial effect lies in:

[0011] (1) the utility model discloses through connecting contact inserts the round hole in the bottom of connecting piece body, the top of connecting contact is in contact with the bottom of connecting copper plate and gives electrode sheet power supply, and the bottom of connecting contact is clamped through the clamping mechanism of both sides of the inner wall of round hole, realizes the quick connection of electrode sheet and connecting piece body.

[0012] (2) When the user needs to separate the connecting piece body from the connecting contact, the user first slides the connecting copper plate along the copper plate sliding groove by pushing the push plate, so that the through hole, the temporary groove and the circular hole axially coincide, at this time, the top end of the connecting piece body is pressed downward, the thick rod moves downward along with the connecting piece body, the end inclined surface of the thick rod contacts the inclined surface of the side wall of the upper disassembling piece to make it retract into the thick rod sliding groove, at this time, the first compression spring is in a compressed state, when the thick rod completely passes through the upper disassembling piece, the thick rod pops out due to the reset action of the first compression spring, the thick rod finally extends to the lower side of the inclined surface of the side wall of the lower disassembling piece, at this time, the user can take out the connecting piece body upward, the end inclined surface of the thick rod first drives the disassembling piece to move upward along the first connecting rod, when the upper disassembling piece is clamped in the upper disassembling piece groove at the bottom of the contact, the disassembling piece no longer moves, the force of the lower inclined surface of the lower disassembling piece acts on the end inclined surface of the thick rod to drive it to retract into the thick rod sliding groove, at this time, the connecting piece body can be completely separated from the connecting contact to complete disassembly, so that the quick disassembly of the connecting piece body and the connecting contact is realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is an exploded schematic diagram of the fixed block and the connecting piece body in the utility model;

[0015] Figure 3 It is a top view of the utility model;

[0016] Figure 4 It is Figure 3 It is a partial structural section view along A-A in the utility model;

[0017] Figure 5 It is Figure 3 It is a partial structural section view along B-B in the utility model.

[0018] In the drawing: 1 electrode sheet, 2 connecting contact, 3 connecting piece body, 4 square groove, 5 fixed block, 6 connecting copper plate, 7 copper plate sliding groove, 8 circular hole, 9 clamping mechanism, 10 wire, 11 second compression spring, 12 through hole, 13 push plate, 14 push plate sliding groove, 15 temporary groove, 16 booster block, 21 contact, 211 upper disassembling groove, 22 first connecting rod, 23 second connecting rod, 24 disassembling piece, 241 upper disassembling piece, 242 lower disassembling piece, 91 limiting block, 92 thin rod, 93 thick rod, 931 inclined surface, 94 first compression spring, 95 thick rod sliding groove, 96 thin rod sliding groove. DETAILED DESCRIPTION

[0019] The utility model is further explained as follows:

[0020] Please refer to Figures 1-5 ,

[0021] The utility model discloses a kind of connecting mechanisms of electrocardio electrode piece, including electrode piece 1, connecting contact 2, connecting piece body 3, the electrode piece 1 is circular structure, its top middle and the bottom of connecting contact 2 are connected;The top of connecting piece body 3 is equipped with square groove 4, square groove 4 is fixed with the fixed block 5 of shape matching, the bottom of square groove 4 is equipped with copper plate sliding slot 7 for connecting copper plate 6 sliding, the right end middle part of connecting copper plate 6 is connected with wire 10;The bottom of copper plate sliding slot 7 is equipped with round hole 8 for the insertion of connecting contact 2, the top of connecting contact 2 and the lower surface of connecting copper plate 6 contact, the sidewall of connecting contact 2 is clamped by the clamping mechanism 9 of being set in the lower surface of the two sides of round hole 8, by connecting contact 2 insertion round hole 8 in the bottom of connecting piece body 3, the top of connecting contact 2 and the bottom of connecting copper plate 6 contact give electrode piece power supply, the bottom of connecting contact 2 is clamped by the clamping mechanism 9 of the two sides of round hole 8 inner wall, the quick connection of electrode piece 1 and connecting piece body 3 is realized;By setting square groove 4, the installation of connecting copper plate 6 is facilitated, the right end of connecting copper plate 6 is electrically connected with electrocardio monitor by wire 10, and wire 10 in copper plate sliding slot 7 has enough length to meet following connecting copper plate 6 movement;By fixing fixed block 5 in square groove 4, the top of copper plate sliding slot 7 can be limited, ensure that connecting copper plate 6 can stably slide along copper plate sliding slot 7.

[0022] Further, the clamping mechanism 9 comprises a limiting block 91, a thin rod 92, a thick rod 93 and a first compression spring 94, the inner wall of the circular hole 8 is provided with a thick rod sliding groove 95 on both sides below for the sliding of the thick rod 93, the outer end of the thick rod sliding groove 95 is provided with a thin rod sliding groove 96 in the middle for the sliding of the thin rod 92, the outer end of the thick rod 93 is connected with the inner end of the thin rod 92, the outer end of the thin rod 92 is connected with the inner wall of the limiting block 91, the first compression spring 94 is sleeved on the outside of the thin rod 92, and the outer diameter of the limiting block 91 is greater than the outer diameter of the thin rod 92; the connecting contact 2 comprises a contact 21, a first connecting rod 22 and a second connecting rod 23, the contact 21 is a hemispherical structure with a flat bottom, the outer diameter of the contact 21 is equal to the inner diameter of the circular hole 8, the top of the first connecting rod 22 is connected with the middle of the bottom of the contact 21, the outer diameter of the first connecting rod 22 is smaller than the outer diameter of the contact 21, the outer diameter of the second connecting rod 23 is greater than the outer diameter of the first connecting rod 22, and the top end and the bottom end of the second connecting rod 23 are connected with the bottom of the first connecting rod 22 and the top center of the electrode sheet 1 respectively; when the top of the contact 21 is in contact with the bottom of the connecting copper plate 6, the inner end top of the thick rod 92 is clamped on both sides of the bottom of the contact 21, when the clamping mechanism 9 is installed, the outer end of the thin rod 92 is first connected with the inner wall of the limiting block 91, then the inner end of the first connecting rod 22 is inserted into the thick rod sliding groove 95 along the thin rod sliding groove 96, then the first compression spring 94 is inserted into the outside of the thin rod 92 from the inner end of the thick rod sliding groove 95, and finally the thick rod 93 is inserted into the thick rod sliding groove 95 from the inner end of the thick rod sliding groove 95, and the outer end of the thick rod 93 is fixedly connected with the inner end of the thin rod 92, which can be achieved by gluing and the like.

[0023] Further, the first connecting rod 22 is externally sleeved with a disassembling piece 24, the disassembling piece 24 is in an annular structure, the disassembling piece 24 comprises an upper disassembling piece 241 and a lower disassembling piece 242, the side wall section of the upper disassembling piece 241 and the side wall section of the lower disassembling piece 242 form a middle outwardly convex isosceles triangle structure, the bottom of the contact 21 is provided with an upper disassembling piece groove 211 matched with the shape of the upper disassembling piece 241; the inner end face of the thick rod 93 forms an inclined face 931, the bottom end of the inclined face 931 is outwardly inclined, when the limiting block 91 is in contact with the outer wall of the connecting piece body 3, the inner end top of the thick rod 93 can be in contact with the side wall inclined face of the lower disassembling piece 242; the right end of the connecting copper plate 6 is connected with the right side inner wall of the copper plate sliding groove 7 through the second compression spring 11, the left side of the connecting copper plate 6 is provided with a through hole 12 same with the cross section shape of the round hole 8, the left end of the copper plate sliding groove 7 is provided with a push plate sliding groove 14 for the sliding of the push plate 13; the lower surface of the fixed block 5 is provided with a temporary groove 15 coaxial and equal in diameter with the round hole 8, the connecting piece body 3 and the connecting contact 2 can be quickly separated and disassembled through the cooperation of the through hole 12 and the temporary groove 15 and the disassembling piece 24, during installation, firstly, the top end of the first connecting rod 22 is fixedly connected with the bottom middle of the contact 21, then the disassembling piece 24 is sleeved on the outside of the first connecting rod 22, after that, the bottom of the first connecting rod 22 is connected with the top of the second connecting rod 23, finally, the bottom of the second connecting rod 23 is connected with the top of the electrode sheet 1, thus the installation is completed.

[0024] Further, the outer end face of the push plate 13 is connected with a push assisting block 16, the width of the push assisting block 16 is greater than the width of the push plate 13, the push assisting block 16 facilitates the user to push the push plate 13, the width of the push plate sliding groove 14 is less than the width of the copper plate sliding groove 7, the push assisting block 16 can play a positioning role, when the inner wall of the push assisting block 16 is in contact with the outer wall of the connecting piece body 3, the through hole 12 is coincided with the round hole 8, at this time, the contact 21 can temporarily enter the temporary groove 15 through the through hole 12.

[0025] Working principle: when the connecting piece body 3 and the connecting contact 2 need to be connected, due to the action of the second compression spring 11, the connecting copper plate 6 can shield the top of the round hole 8, the user inserts the contact 21 into the round hole 8 at the bottom of the connecting piece body 3, the inclined face 931 of the thick rod 93 of the clamping mechanism 9 contacts the spherical surface of the contact 21 and pushes it into the thick rod sliding groove 95 until the top of the contact 21 is in contact with the bottom of the connecting copper plate 6, the thick rod 93 completely passes through the contact 21, at this time, due to the reset action of the first compression spring 94, the thick rod 93 is driven to pop out and clamp the two sides of the bottom of the contact 21, thus the quick connection of the connecting piece body 3 and the connecting contact 2 is completed, and the contact 21 is electrically connected with the connecting copper plate 6;

[0026] When the connecting body 3 needs to be separated from the connecting contact 2, the user first slides the connecting copper plate 6 along the copper plate sliding groove 7 by pushing the push plate 13, so that the through hole 12, the temporary groove 15 and the round hole 8 are axially coincident, at this time, the top end of the connecting body 3 is pressed downward, the thick rod 93 moves downward with the connecting body 3, the end inclined surface 931 of the thick rod 93 is in contact with the inclined surface of the side wall of the upper disassembling piece 241, so that it is retracted into the thick rod sliding groove 95, at this time, the first compression spring 94 is in a compressed state, when the thick rod 93 completely passes through the upper disassembling piece 241, the thick rod 93 is ejected due to the reset action of the first compression spring 94, and the thick rod 93 finally extends to the lower side of the inclined surface of the side wall of the lower disassembling piece 242, at this time, the user can take out the connecting body 3 upward, the inclined surface 931 of the thick rod 93 first drives the disassembling piece 24 to move upward along the first connecting rod 22, when the upper disassembling piece 241 is clamped with the upper disassembling piece groove 211 at the bottom of the contact 21, the disassembling piece 24 no longer moves, the force of the lower inclined surface of the lower disassembling piece 242 acts on the top end of the inclined surface 931 of the thick rod 93, drives it to retract into the thick rod sliding groove 95, at this time, the connecting body 3 can be completely separated from the connecting contact 2 to complete the disassembly, so that the quick disassembly of the connecting body 3 and the connecting contact 2 is realized.

[0027] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the present application is also included in the patent protection range of the present application.

Claims

1. A connection mechanism for electrocardiogram (ECG) electrode pads, characterized in that: The device includes an electrode sheet (1), a connecting contact head (2), and a connector body (3). The electrode sheet (1) has a circular structure, and its top center is connected to the bottom of the connecting contact head (2). The top of the connector body (3) is provided with a square groove (4), and a fixing block (5) matching its shape is fixed in the square groove (4). The bottom of the square groove (4) is provided with a copper plate slide groove (7) for sliding the connecting copper plate (6). The middle right end of the connecting copper plate (6) is connected to a wire (10). The bottom of the copper plate slide groove (7) is provided with a round hole (8) for inserting the connecting contact head (2). The top of the connecting contact head (2) is in contact with the lower surface of the connecting copper plate (6). The side wall of the connecting contact head (2) is engaged by a snap-fit ​​mechanism (9) located on both sides below the inner wall of the round hole (8).

2. The connection mechanism for ECG electrode pads according to claim 1, characterized in that: The snap-fit ​​mechanism (9) includes a limiting block (91), a thin rod (92), a thick rod (93), and a first compression spring (94). The inner walls of the circular hole (8) are provided with thick rod grooves (95) on both sides for sliding the thick rod (93). The outer end of the thick rod groove (95) is provided with a thin rod groove (96) for sliding the thin rod (92). The outer end of the thick rod (93) is connected to the inner end of the thin rod (92), and the outer end of the thin rod (92) is connected to the inner wall of the limiting block (91). The first compression spring (94) is fitted onto the outside of the thin rod (92). The outer diameter of the limiting block (91) is larger than the outer diameter of the thin rod (92). The connecting contact (2) includes a contact (21) and a first connecting rod. (22) and the second connecting rod (23), the contact (21) is a hemispherical structure with a flat bottom, and its outer diameter is equal to the inner diameter of the circular hole (8). The top of the first connecting rod (22) is connected to the middle of the bottom of the contact (21). The outer diameter of the first connecting rod (22) is smaller than the outer diameter of the contact (21). The outer diameter of the second connecting rod (23) is larger than the outer diameter of the first connecting rod (22). The top and bottom ends of the second connecting rod (23) are respectively connected to the bottom of the first connecting rod (22) and the top center of the electrode plate (1). When the top of the contact (21) contacts the bottom of the connecting copper plate (6), the top of the inner end of the thick rod (93) is engaged with the two sides of the bottom of the contact (21).

3. The connection mechanism for ECG electrode pads according to claim 2, characterized in that: The first connecting rod (22) is fitted with a disassembly piece (24), which has a ring structure and includes an upper disassembly piece (241) and a lower disassembly piece (242). The side wall cross-section of the upper disassembly piece (241) and the side wall cross-section of the lower disassembly piece (242) form an isosceles triangle structure with a central outward convexity. The bottom of the contact (21) is provided with an upper disassembly piece groove (211) that matches the shape of the upper disassembly piece (241). The inner end face of the thick rod (93) forms an inclined surface (931), and the bottom end of the inclined surface (931) is inclined outward. The limiting block (91) When in contact with the outer wall of the connector body (3), the top of the inner end of the thick rod (93) can contact the inclined side wall of the lower disassembly part (242); a second compression spring (11) is connected between the two sides of the right end of the connecting copper plate (6) and the two sides of the right inner wall of the copper plate slide groove (7); the left side of the connecting copper plate (6) is provided with a through hole (12) with the same cross-sectional shape as the round hole (8); the left end of the copper plate slide groove (7) is provided with a push plate slide groove (14) for sliding the push plate (13); the lower surface of the fixing block (5) is provided with a temporary groove (15) that is coaxial and equal in diameter to the round hole (8).

4. The connection mechanism for ECG electrode pads according to claim 3, characterized in that: The outer end face of the push plate (13) is connected to a booster block (16), the width of the booster block (16) is greater than the width of the push plate (13); the width of the push plate groove (14) is less than the width of the copper plate groove (7); when the inner wall of the booster block (16) contacts the outer wall of the connector body (3), the through hole (12) coincides with the round hole (8).

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