CN212542758U - Elastic sheet contact connection structure - Google Patents

Abstract

The utility model discloses a shell fragment contact connection structure, including shell fragment contact, shell fragment contact PCB, shell fragment contact casing, contact PCB, contact casing, shell fragment contact links to each other with shell fragment contact PCB, contact links to each other with contact PCB, shell fragment contact casing, contact casing all makes sealed processing, the shell fragment contact has first contact site, contact has the second contact site, first contact site sets up with the second contact site relatively, first contact site can with second contact site butt, shell fragment contact and contact are made by stainless steel material. The elastic sheet contact and the contact are connected through the butt joint of the first contact part and the second contact part, the problem that a splicing connection structure is prone to shaking in the prior art is solved, the elastic sheet contact shell and the contact shell are both subjected to sealing treatment, the elastic sheet contact and the contact are made of stainless steel, the soaking use condition is met, and the service life of the elastic sheet contact and the service life of the contact are prolonged.

Description

Elastic sheet contact connection structure

Technical Field

The utility model relates to a signal connection equipment and peripheral supporting facility technical field especially relate to a shell fragment contact connection structure.

Background

Because the laryngeal position is deep, the physiological structure is complex, direct peeping cannot be realized, and special examination methods such as indirect laryngoscope, direct laryngoscope, fiber laryngoscope, electronic laryngoscope, stroboscopic laryngoscope, ultra-high speed cinematography, sonogram or glottigram are needed for laryngeal examination.

In the field of medical laryngoscopes, signal connection is mostly connected by adopting a standard aerial plug structure at present, and an aerial plug is one of connectors, originates from the military industry, and is named as aerial plug for short. An aviation plug is an electromechanical element that connects electrical lines, and therefore its own electrical parameters are the first issues to consider in selecting an aviation plug. Proper selection and use of the aviation plug is an important aspect of ensuring circuit reliability. Aviation plugs are widely used in various electrical lines and play a role in connecting or disconnecting circuits.

However, the aerial plug structure connection has the following problems 1. the connection of the aerial plug male head and the aerial plug female head can shake; 2. the connecting structure of the contact can be used for less plugging times; 3. the aerial plug connection structure needs a longer space, and has certain limitation on the structural design; 4. most of the core contacts of the aviation plug are copper or copper-plated gold and the like which cannot be soaked.

Therefore, how to change the current situation that the aviation plug adopted for the signal connection of the medical laryngoscope in the prior art has many limitations becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shell fragment contact connection structure to solve the problem that above-mentioned prior art exists, prolong contact connection structure's life, improve connection structure stability.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a shell fragment contact connection structure, including shell fragment contact, shell fragment contact PCB, shell fragment contact casing, contact, contact PCB, contact casing, the shell fragment contact with the shell fragment contact PCB links to each other, the shell fragment contact PCB all sets up in the shell fragment contact casing, the contact is with the contact PCB links to each other, the contact is with the contact PCB all sets up in the contact casing, shell fragment contact casing, all set up insulating element in the contact casing, shell fragment contact casing, the contact casing all carries out sealing treatment, the shell fragment contact has first contact site, the contact has second contact site, first contact site and the second contact site set up relatively, first contact site can with the second contact site butt, the spring plate contact and the contact are both made of stainless steel.

Preferably, the spring contact further includes a connecting portion, the connecting portion can be connected to a connecting cable, the connecting portion is connected to the first contact portion, the first contact portion is of a plate-shaped structure having a plurality of bends, the first contact portion can deform, and a contact surface between the second contact portion and the first contact portion is a plane.

Preferably, the shell fragment contact casing includes shell fragment contact insulation cover plate and shell fragment contact base, the shell fragment contact cover plate with the connection can be dismantled to the shell fragment contact insulation cover plate, the shell fragment contact insulation cover plate with set up shell fragment contact insulation between the shell fragment contact base and fill up, shell fragment contact insulation is filled up and is located the outside of shell fragment contact, the shell fragment contact with shell fragment contact base inlays the dress and links to each other.

Preferably, the contact casing includes contact base and contact insulating cover, the contact base with the contact insulating cover can be dismantled and be connected, the contact cover is equipped with the contact insulating pad, the contact with the contact base is pegged graft and is linked to each other, the contact base is close to shell fragment contact base one end sets up, shell fragment contact base can with contact base looks butt.

Preferably, one end of the contact extending out of the contact base is connected with a fastening nut, and a fastening nut insulating pad is arranged between the contact and the fastening nut.

Preferably, the elastic sheet contact base is connected with an elastic buckle switch, the elastic buckle switch is hinged to the elastic sheet contact base through a pin, a torsion spring is arranged between the pin and the elastic sheet contact base, a connecting column is arranged on one side, facing the elastic sheet contact base, of the contact base, and the elastic buckle switch can be connected with the connecting column.

Preferably, the elastic buckle switch is provided with a groove, the connecting column is provided with a bulge matched with the groove, and when the elastic buckle switch is connected with the connecting column, the bulge is connected with the groove in a clamping mode.

Preferably, the contact base is provided with a limiting block, the spring plate contact base is provided with a limiting groove matched with the limiting block, and when the spring plate contact base abuts against the contact base, the limiting block is located in the limiting groove.

Preferably, the limit groove and the snap switch are respectively positioned at two opposite ends of the elastic sheet contact base; the side elevation of the limiting block is an arc surface.

The utility model discloses for prior art gain following technological effect: the utility model discloses a shell fragment contact connection structure, including the shell fragment contact, shell fragment contact PCB, shell fragment contact casing, contact, contact PCB, contact casing, the shell fragment contact links to each other with shell fragment contact PCB, the shell fragment contact, shell fragment contact PCB all sets up in shell fragment contact casing, contact links to each other with contact PCB, contact and contact PCB all set up in contact casing, shell fragment contact casing, all set up insulating element in the contact casing, shell fragment contact casing, contact casing all makes sealed the processing, the shell fragment contact has first contact site, contact has the second contact site, first contact site sets up with the second contact site relatively, first contact site can with second contact site butt, the shell fragment contact is made by stainless steel with contact. The utility model discloses a shell fragment contact connection structure, shell fragment contact and contact are connected through first contact site and second contact site butt, the problem of grafting continuous connection structure easily rocking among the prior art has been avoided, connection structure axial installation space has been practiced thrift, sealed processing is all done to shell fragment contact casing and contact casing, and shell fragment contact and contact are made by stainless steel, satisfy the condition of soaking the use, and simultaneously, the life of shell fragment contact and contact has been prolonged, connection structure's overall reliability has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of the disassembled structure of the spring contact connection structure of the present invention;

fig. 2 is a schematic structural view of the spring contact connecting structure of the present invention;

fig. 3 is a schematic structural view of a contact point of the spring contact connection structure of the present invention;

wherein, 1 is the shell fragment contact, 2 is shell fragment contact PCB, 3 is the contact, 4 is the contact PCB, 5 is the insulating apron of shell fragment contact, 6 is the shell fragment contact base, 7 is the insulating pad of shell fragment contact, 8 is the contact base, 9 is the insulating lid of contact, 10 is the insulating pad of contact, 11 is fastening nut, 12 is the insulating pad of fastening nut, 13 is the switch of buckleing, 14 is the torsional spring, 15 is the spliced pole, 16 is the stopper, 17 is the spacing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a shell fragment contact connection structure to solve the problem that above-mentioned prior art exists, prolong contact connection structure's life, improve connection structure stability.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Please refer to fig. 1-3, wherein fig. 1 is a schematic view of a disassembly structure of the spring contact connection structure of the present invention, fig. 2 is a schematic view of a spring contact of the spring contact connection structure of the present invention, and fig. 3 is a schematic view of a contact of the spring contact connection structure of the present invention.

The utility model provides a shell fragment contact connection structure, including shell fragment contact 1, shell fragment contact PCB2, shell fragment contact casing, contact 3, contact PCB4, contact casing, shell fragment contact 1 links to each other with shell fragment contact PCB2, shell fragment contact 1, shell fragment contact PCB2 all sets up in the shell fragment contact casing, contact 3 links to each other with contact PCB4, contact 3 all sets up in contact casing with contact PCB4, shell fragment contact casing, all set up insulating element in the contact casing, shell fragment contact casing, the sealed processing is all done to the contact casing, shell fragment contact 1 has first contact site, contact 3 has the second contact site, first contact site sets up with the second contact site relatively, first contact site can be with second contact site butt, shell fragment contact 1 makes by stainless steel with contact 3.

The utility model discloses a shell fragment contact connection structure, shell fragment contact 1 and contact 3 connect through first contact site and second contact site butt, the problem of grafting continuous connection structure easily rocking among the prior art has been avoided, connection structure axial occupation space has been practiced thrift, the connection structure volume has been reduced, sealed processing is all done to shell fragment contact casing and contact casing, and shell fragment contact 1 and contact 3 make by stainless steel, satisfy the condition of soaking the use, and simultaneously, the life of shell fragment contact 1 and contact 3 has been prolonged, connection structure's whole reliability has been improved.

The elastic sheet contact 1 further comprises a connecting wire portion, the connecting wire portion can be connected with a connecting cable, the connecting wire portion is connected with the first contact portion, the first contact portion is of a plate-shaped structure with a plurality of bends, the first contact portion can deform, and the abutting surfaces of the second contact portion and the first contact portion are planes. When connection structure links to each other, shell fragment contact 1 is pressed, the buckling of first contact site produces deformation, first contact site and second contact site butt, thereby realize shell fragment contact 1 and contact 3 looks butt, the face of second contact site and first contact site butt is the plane, ensure that first contact site takes place the deformation back the two still can the butt, ensure that shell fragment contact 1 links to each other with contact 3 crimping, the crimping links to each other and has avoided connection structure grafting among the prior art to link to each other and can produce the problem of rocking.

Specifically, shell fragment contact casing includes shell fragment contact insulation cover plate 5 and shell fragment contact base 6, and shell fragment contact 1 apron can be dismantled with shell fragment contact insulation cover plate 5 and be connected, sets up shell fragment contact insulation pad 7 between shell fragment contact insulation cover plate 5 and the shell fragment contact base 6, and shell fragment contact insulation pad 7 covers locates the outside of shell fragment contact 1, and shell fragment contact 1 inlays the dress with shell fragment contact base 6 and links to each other. The elastic sheet contact 1 is embedded into the elastic sheet contact base 6, the elastic sheet contact 1 is arranged into the elastic sheet contact insulating pad 7, then the elastic sheet contact insulating cover plate 5 is pressed on the elastic sheet contact 1 and fixed with the elastic sheet contact base 6 through screws, and the elastic sheet contact PCB2 and the elastic sheet contact 1 are welded together through tin soldering to facilitate the welding of subsequent signal wires.

Similarly, the contact point casing includes contact point base 8 and contact point insulating cover 9, and contact point base 8 can dismantle with contact point insulating cover 9 and be connected, and contact point 3 covers is equipped with contact point insulating pad 10, and contact point 3 links to each other with contact point base 8 grafting, and contact point base 8 is close to the setting of shell fragment contact base 6 one end, and shell fragment contact base 6 can with contact point base 8 looks butt. One end of the contact point 3 extending out of the contact point base 8 is connected with a fastening nut 11, and a fastening nut insulating pad 12 is arranged between the contact point 3 and the fastening nut 11. The contact insulating pad 10 is embedded into the contact base 8, the contact 3 is arranged in the contact insulating pad 10, then the fastening nut insulating pad 12 is sleeved into the tail of the contact 3, the fastening nut 11 of the contact 3 is sleeved on the fastening nut to lock the contact 3, the contact insulating cover 9 is sleeved with the contact base 8, and the contact PCB4 covers the contact insulating cover 9 and is welded with the contact 3 through tin soldering to facilitate the welding of subsequent signal wires.

More specifically, shell fragment contact base 6 is connected with bullet knot switch 13, and bullet knot switch 13 links to each other through the pin is articulated with shell fragment contact base 6, sets up torsional spring 14 between pin and the shell fragment contact base 6, and contact base 8 has spliced pole 15 towards one side of shell fragment contact base 6, and bullet knot switch 13 can link to each other with spliced pole 15. Set up spring buckle switch 13 and spliced pole 15, make connection structure connect more firmly, can effectively avoid rocking, improve the device reliability.

In this embodiment, the elastic buckle switch 13 has a groove, the connecting column 15 has a protrusion matched with the groove, when the elastic buckle switch 13 is connected with the connecting column 15, the protrusion is clamped with the groove, the clamping connection is convenient and fast, and meanwhile, the torsion spring 14 is arranged between the pin and the elastic contact base 6, so that the connection reliability is improved.

Further, the contact base 8 is provided with a limiting block 16, the spring contact base 6 is provided with a limiting groove 17 matched with the limiting block 16, and when the spring contact base 6 abuts against the contact base 8, the limiting block 16 is located in the limiting groove 17. Set up spacing groove 17 and stopper 16 and can restrict the relative position of shell fragment contact base 6 and contact base 8, and stopper 16 and spacing groove 17 area of contact are great, can further avoid rocking the problem, improve connection structure stability.

In addition, the limiting groove 17 and the elastic buckle switch 13 are respectively positioned at two opposite ends of the elastic contact base 6, and the limiting structure is matched with the elastic buckle switch 13 to ensure the stability of the device; the side elevation of the limiting block 16 is an arc surface so that the limiting block 16 is smoothly inserted into the limiting groove 17.

The utility model discloses a shell fragment contact connection structure, shell fragment contact 1 and contact 3 connect through first contact site and second contact site butt, and set up limit structure and bullet knot switch 13 and carry on spacingly, the problem that grafting links to each other connection structure and easily rocks among the prior art has been avoided, sealed processing is all done to shell fragment contact casing and contact casing, and shell fragment contact 1 and contact 3 make by stainless steel, satisfy the condition of soaking the use, and simultaneously, the life of shell fragment contact 1 and contact 3 has been prolonged, connection structure's whole reliability has been improved. Still need explain, the utility model discloses a connection structure adopts the crimping to link to each other, has saved connection structure's axial space, and among the practical application, connection structure's gross thickness can be controlled within 12mm, can also adjust connection structure's volume according to the operating condition demand, makes things convenient for various product structural design, improves connection structure's suitability.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. The utility model provides a shell fragment contact connection structure which characterized in that: comprises a spring contact, a spring contact PCB, a spring contact shell, a contact PCB and a contact shell, the spring plate contact is connected with the spring plate contact PCB, the spring plate contact and the spring plate contact PCB are both arranged in the spring plate contact shell, the contact is connected with the contact PCB, the contact and the contact PCB are both arranged in the contact shell, the shell fragment contact shell and the contact shell are both provided with insulating elements, the shell fragment contact shell and the contact shell are both sealed, the spring contact is provided with a first contact part and a second contact part, the first contact part and the second contact part are oppositely arranged, the first contact part can be abutted against the second contact part, and the spring plate contact and the contact are both made of stainless steel.

2. The dome contact connection structure of claim 1, wherein: the spring contact is characterized by further comprising a connecting part, the connecting part can be connected with a connecting cable, the connecting part is connected with the first contact part, the first contact part is of a plate-shaped structure with a plurality of bends, the first contact part can deform, and the abutting surfaces of the second contact part and the first contact part are planes.

3. The dome contact connection structure of claim 1, wherein: the shell fragment contact casing includes shell fragment contact insulation cover plate and shell fragment contact base, the shell fragment contact cover plate with the connection can be dismantled to the shell fragment contact insulation cover plate, the shell fragment contact insulation cover plate with set up the insulating pad of shell fragment contact between the shell fragment contact base, the insulating pad of shell fragment contact is located the outside of shell fragment contact, the shell fragment contact with the shell fragment contact base inlays the dress and links to each other.

4. A dome contact connection structure, according to claim 3, characterized in that: the contact casing includes contact base and contact insulating cover, the contact base with the contact insulating cover can dismantle the connection, the contact cover is equipped with the contact insulating pad, the contact with the contact base is pegged graft and is linked to each other, the contact base is close to shell fragment contact base one end sets up, shell fragment contact base can with contact base looks butt.

5. The dome contact connection structure of claim 4, wherein: one end of the contact extending out of the contact base is connected with a fastening nut, and a fastening nut insulating pad is arranged between the contact and the fastening nut.

6. The dome contact connection structure of claim 5, wherein: the elastic piece contact base is connected with an elastic buckle switch, the elastic buckle switch is hinged and connected with the elastic piece contact base through a pin, a torsion spring is arranged between the pin and the elastic piece contact base, the contact base faces towards one side of the elastic piece contact base, a connecting column is arranged, and the elastic buckle switch can be connected with the connecting column.

7. The dome contact connection structure of claim 6, wherein: the spring buckle switch is provided with a groove, the connecting column is provided with a bulge matched with the groove, and when the spring buckle switch is connected with the connecting column, the bulge is connected with the groove in a clamping mode.

8. The dome contact connection structure of claim 6, wherein: the contact base is provided with a limiting block, the elastic sheet contact base is provided with a limiting groove matched with the limiting block, and when the elastic sheet contact base is abutted against the contact base, the limiting block is positioned in the limiting groove.

9. The dome contact connection structure of claim 8, wherein: the limiting groove and the elastic buckle switch are respectively positioned at two opposite ends of the elastic piece contact base; the side elevation of the limiting block is an arc surface.

Images