CN215579336U - Electric connector socket with small insertion force or zero insertion force - Google Patents

Abstract

The utility model discloses an electric connector socket with small or zero insertion force, which comprises an insulated socket body, a conductive jack post, a clamping sleeve base body, a pressure spring, a pressure plate and a control screw, wherein a jack piece is arranged at the insertion end of the jack post, the jack post penetrates through a socket through hole of the socket body, the pressure plate is arranged in a pressure plate inner cavity of the socket body, the control screw penetrates through a socket screw hole and can be arranged in the pressure plate inner cavity, the clamping sleeve base body is arranged in the socket body and generates upward stress through the pressure spring, the clamping sleeve is arranged in a base body through hole of the clamping sleeve base body, a section of conical hole of the clamping sleeve is arranged at the lower section of a clamping sleeve through hole of the clamping sleeve, and the jack piece penetrates through the corresponding base body through hole and the clamping sleeve through hole. The utility model realizes the function of small insertion force or zero insertion force on the premise of not influencing the good conductive performance of the jack post and the contact pin, obviously improves the electric connection reliability of the electric connector, reduces the contact heating of the connector and prolongs the service life of the electric connector.

Description

Electric connector socket with small insertion force or zero insertion force

Technical Field

The present invention relates to an electrical connector socket with multiple cores, and more particularly, to an electrical connector socket with small or zero insertion force.

Background

The electric connector comprises a plug and a socket, wherein generally, a contact pin is arranged in the plug, a jack column is arranged in the socket, and the plug is inserted into a jack of the jack column to realize the electric connection between the plug and the socket. In order to realize good conductive connection between the contact pin and the jack post and facilitate the insertion and extraction operation of the contact pin, the insertion end of the jack post is provided with a plurality of jack pieces with arc-shaped radial sections formed by notches, through the closing processing, the two or more jack pieces are mutually folded to form stress, the end part between the two or more jack pieces is provided with a bell mouth to realize the insertion guidance of the contact pin, when the contact pin is inserted from the bell mouth between two or more jack sheets, the jack sheets tightly buckle the surface of the contact pin rod by the elasticity of the material to form positive pressure, the positive pressure provided by the elasticity of the material can realize good electric connection between the contact pin and the jack post on one hand and form plug-pull force on the other hand, i.e., the frictional forces with the receptacle wafers that need to be overcome during both insertion and removal of the pins, insertion and removal with insertion and removal forces is a fundamental attribute of electrical connectors.

Since insertion and extraction with a plugging force is a basic norm of an electrical connector, users generally do not think of improvement. However, in practice, when a user uses an electrical connector, especially a multi-core electrical connector (i.e. an electrical connector having a plurality of pins and posts), the insertion force is often too large to insert or remove the electrical connector. However, in order to avoid poor contact, the elasticity of the jack piece cannot be simply reduced, so that the good electrical conductivity and easy plugging operation of the multi-core electrical connector are a pair of spears.

In addition, even if the problem of the insertion force is not considered, it is very difficult to maintain good electrical conductivity of the electrical connector for a long time by using the elasticity of the insertion hole piece itself. According to statistics, the failure of the electrical connector accounts for about 40% to 50% of the total failure cases of the electronic components in the system, and the decrease of the conductivity of the electrical connector is one of the main causes of the failure of most electronic devices. Generally, there are three normal failure modes of an electrical connector: open circuit (probability of 61%), loose contact (instantaneous open circuit, probability of 23%), short circuit (probability of 16%), open circuit generally refers to instantaneous open circuit, both of which are associated with unstable positive contact pressure, wherein the connection point or contact interface between the pin and the post of the jack generally fails due to insufficient or unstable positive contact pressure provided solely by the elasticity of the material, resulting in a short life of the electrical connector.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing an electrical connector socket with a small or zero insertion force, which is easy to insert and remove, has good electrical conductivity, and has a long life.

The utility model realizes the purpose through the following technical scheme:

an electric connector socket with small insertion force or zero insertion force comprises an insulating socket body and a conductive jack post, wherein the insertion end of the jack post is provided with a notch to form a plurality of jack pieces with arc-shaped radial sections, a plurality of socket through holes are arranged in the socket body, the axial direction of the socket through holes is vertical, the plurality of vertical jack posts respectively penetrate through the plurality of socket through holes and are provided with the jack pieces at the lower ends, the electric connector socket with small insertion force or zero insertion force further comprises a clamping sleeve, a clamping sleeve base body, a pressure spring, a pressure plate and a control screw, a pressure plate inner cavity is arranged in the socket body, all the socket through holes penetrate through the pressure plate inner cavity, the transverse pressure plate is arranged in the pressure plate inner cavity, the vertical height of the pressure plate is smaller than that of the pressure plate inner cavity, a plurality of vertical socket screw holes are arranged at the position above the pressure plate inner cavity on the socket body, a plurality of screw rod lower extreme of control screw passes the socket screw respectively from top to bottom and can arrange in the clamp plate inner chamber, lie in the socket through-hole one section middle part of clamp plate inner chamber top is equipped with the bulge loop of outside circumferencial direction increase, the position that corresponds with the bulge loop on the jack post is equipped with the bellied bulge loop of outside circumferencial direction, the bulge loop is arranged in the bulge loop, be equipped with on the clamp plate a plurality ofly and correspond and vertical clamp plate through-hole with the socket through-hole, the jack post passes corresponding the clamp plate through-hole, lie in the socket through-hole one section aperture increase of clamp plate inner chamber below forms socket major diameter hole, the lower extreme aperture reduction in socket major diameter hole forms socket minor diameter hole, column and vertical the clamping sleeve base member is equipped with vertical base member through-hole, the hypomere outer wall attenuate of clamping sleeve base member forms base member thin wall section, the clamping sleeve comprises a plurality of clamping sleeve base bodies, a pressing plate, a plurality of base body thin-wall sections, a plurality of base body large-diameter holes, a plurality of compression springs, a plurality of clamping sleeve through holes and a plurality of clamping sleeve through holes, wherein the clamping sleeve base bodies are respectively arranged in the plurality of socket large-diameter holes in one-to-one correspondence, the upper ends of the clamping sleeve base bodies are arranged in the pressing plate inner cavities, the lower ends of the clamping sleeve base bodies penetrate through the socket small-diameter holes in one-to-one correspondence, the compression springs are respectively sleeved outside the base body thin-wall sections in one-to-one correspondence and are positioned in the plurality of socket large-diameter holes in one-to-one correspondence, the upper ends of the compression springs are contacted with base body annular outer steps at the upper ends of the base body thin-wall sections in one-to-one correspondence, the clamping sleeve is respectively provided with a vertical clamping sleeve through hole, the aperture of the clamping sleeve through hole is larger than the outer diameter of the inserting hole column, and the clamping sleeve through hole is provided with a section with a conical sleeve hole with a section with a large-diameter hole, the aperture of the lower end of the conical hole of the clamping sleeve is smaller than the outer diameter of a cylinder formed by surrounding a plurality of jack pieces on one jack column, and the plurality of jack pieces on one jack column penetrate through the corresponding base through hole and the corresponding clamping sleeve through hole. The jack piece can close up or not close up, if close up, then the jack piece has the stress of inboard direction, and traditional jack piece stress can be compared to this stress to it is littleer to realize little plug power effect, if not close up, then the jack piece does not have the stress to inboard direction, thereby realizes zero plug power effect.

Preferably, in order to facilitate the installation of the clamping sleeve in the clamping sleeve base body and achieve vertical positioning, a notch is formed in the upper section of the clamping sleeve to form a plurality of clamping pieces, the upper end of each clamping piece protrudes towards the periphery to form an outward protruding step, the aperture of the lower section of the base body through hole is reduced to form a base body small-diameter hole, the clamping sleeve is arranged in the corresponding base body small-diameter hole, and the outward protruding step is arranged on the base body annular inner step at the upper end of the corresponding base body small-diameter hole.

Preferably, in order to achieve better vertical positioning and maintain the attractive appearance of the clamping sleeve, a sleeve cap with a larger outer diameter is arranged at the lower end of the clamping sleeve, the outer diameter of the sleeve cap is larger than the aperture of the small-diameter base body hole and smaller than the aperture of the small-diameter socket hole, and the sleeve cap is arranged outside the corresponding small-diameter base body hole and in the corresponding small-diameter socket hole.

Preferably, in order to achieve better clamping effect on the jack sheet through the clamping sleeve, the included angle between the hole wall of the conical hole of the clamping sleeve and the vertical direction is 15-45 degrees.

Preferably, in order to facilitate insertion of the contact pin, a section of clamping sleeve cylindrical hole is connected below the clamping sleeve conical hole, and the diameter of the clamping sleeve cylindrical hole is the same as that of the lower end of the clamping sleeve conical hole.

Preferably, in order to improve the smoothness of the clamping and loosening operation of the clamping sleeve on the jack sheet, the conical hole of the clamping sleeve is smoothly transited with the through hole of the clamping sleeve above and the cylindrical hole of the clamping sleeve below.

Preferably, in order to further improve the smoothness of the clamping and releasing operations of the clamping sleeve on the jack sheet, a conical surface matched with the hole wall of the conical hole of the clamping sleeve is arranged on the outer wall of the lower end of the jack sheet.

As preferred, for the convenience of processing and equipment socket ontology, socket ontology includes horizontal and first socket, second socket, third socket and the fourth socket from top to bottom arrange in proper order and interconnect, the third socket is equipped with vertical central through-hole and forms the clamp plate inner chamber, be equipped with a plurality of vertical screw that correspond on the first socket with it forms a plurality ofly to be equipped with a plurality of vertical through-holes that correspond on the second socket the socket screw, first socket with it forms a plurality ofly to be equipped with a plurality of vertical through-holes that correspond on the second socket respectively the upper segment of socket through-hole, the hypomere aperture increase of the vertical through-hole of first socket forms the convex ring groove, it forms a plurality ofly to be equipped with a plurality of vertical through-holes that correspond on the fourth socket the big footpath hole of socket and a plurality of the small diameter hole of socket.

Preferably, the first, second, third and fourth socket boards are connected to each other by a plurality of vertical rivets located near the edges in order to connect the socket boards quickly and stably.

The utility model has the beneficial effects that:

according to the utility model, the large-diameter hole of the socket is arranged in the socket body, the clamping sleeve base body is installed, upward elasticity is generated on the clamping sleeve base body through the pressure spring, the clamping sleeve base body drives the clamping sleeve to keep upward stress, the hole wall of the conical hole of the clamping sleeve pushes the jack piece to the central direction, so that the jack piece realizes a clamping function, and the clamping function enables the jack piece to clamp the contact pin to keep good conductivity; the inner cavity of the pressing plate is arranged in the socket body, the pressing plate is installed, before the contact pin is inserted, the pressing plate is pushed to move downwards through the control screw, the pressing plate pushes the clamping sleeve base body and the clamping sleeve to move downwards, the tapered hole of the clamping sleeve moves downwards to enable the jack piece to recover the natural state, the contact pin is inserted at the moment, the contact pin is subjected to the small pressure (under the condition that the jack piece is closed) or the no pressure (under the condition that the jack piece is not closed) of the jack piece, the friction force is small or no friction force, the control screw is rotated reversely after the contact pin is inserted, the pressing plate moves upwards, the clamping effect of the jack piece on the contact pin is realized under the elastic force action of the pressure spring, similarly, before the contact pin is pulled out, the pressing plate is pushed to move downwards through the control screw until the jack piece recovers the natural state, the friction force of the contact pin is pulled out to be small or no friction force, and therefore, the small plugging force or zero plugging force function is realized on the premise that the good electric conductivity of the jack column and the contact pin is not influenced, the plugging and unplugging operation is convenient, the clamping function and the good conductive function of the contact pin are not realized only by the elasticity of the jack piece, and for the structure of the closing-in of the jack piece, the double contact positive pressure provided by the elasticity of the materials of the pressure spring and the jack piece obviously reduces the contact resistance and realizes the plugging or unplugging with small plugging and unplugging force; the utility model obviously improves the electric connection reliability of the electric connector, reduces the contact resistance, improves the flow guiding capability, reduces the contact heating of the connector and prolongs the service life of the electric connector.

Drawings

Fig. 1 is a front cross-sectional view of a low or zero insertion force electrical connector receptacle according to the present invention;

fig. 2 is a front cross-sectional view of the small or zero insertion force electrical connector receptacle of the present invention with the receptacle post, clamping sleeve base, and compression spring removed;

FIG. 3 is an enlarged view of "A" in FIG. 1;

FIG. 4 is a front cross-sectional view of the clamping sleeve base of the low or zero insertion force electrical connector receptacle of the present invention, shown on a scale greater than that of FIG. 1 and less than that of FIG. 3;

fig. 5 is a front cross-sectional view, on a larger scale than fig. 4, of a clamping sleeve of a low or zero insertion force electrical connector receptacle according to the present invention;

fig. 6 is a partial perspective view of a receptacle post of a low or zero insertion force electrical connector receptacle according to the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-6, the small-insertion-force or zero-insertion-force electrical connector socket of the present invention includes an insulated socket body, a conductive jack post 1, a clamping sleeve 23, a clamping sleeve base 3, a compression spring 17, a pressing plate 4 and a control screw 5, wherein a plurality of (generally two) jack pieces 21 with arc-shaped radial cross-sections are formed at the insertion end of the jack post 1, a plurality of socket through holes 13 are formed in the socket body, the axial direction of the socket through holes 13 is vertical, the plurality of vertical jack posts 1 respectively pass through the plurality of socket through holes 13, the jack pieces 21 are located at the lower end, a pressing plate cavity 8 is formed in the socket body, all the socket through holes 13 pass through the pressing plate cavity 8, a horizontal pressing plate 4 is disposed in the pressing plate cavity 8, the vertical height of the pressing plate 4 is smaller than the vertical height of the pressing plate cavity 8, a plurality of vertical socket screw holes 6 are disposed above the pressing plate cavity 8 on the socket body, the socket screw holes 6 can be screw holes in the whole section or the upper section and the lower section are through holes, the lower ends of the screw rods of a plurality of control screws 5 respectively penetrate through the socket screw holes 6 from top to bottom and can be arranged in the pressure plate inner cavity 8, a convex ring groove 14 which is increased towards the peripheral direction is arranged in the middle of one section of the socket through holes 13 which is positioned above the pressure plate inner cavity 8, a convex ring 2 which is raised towards the peripheral direction is arranged on the position, corresponding to the convex ring groove 14, on the jack post 1, the convex ring 2 is arranged in the convex ring groove 14, a plurality of vertical pressure plate through holes which are corresponding to the socket through holes 13 are arranged on the pressure plate 4, the jack post 1 penetrates through the corresponding pressure plate through holes, the section of the socket through holes 13, which is positioned below the pressure plate inner cavity 8, is increased to form socket large-diameter holes 15, the lower end of the socket large-diameter holes 15, is reduced to form socket small-diameter holes 16, and the columnar and vertical clamping sleeve base body 3 is provided with vertical base body through holes 19, the outer wall of the lower section of the clamping sleeve base body 3 is thinned to form a base body thin-wall section 18, a plurality of clamping sleeve base bodies 3 are respectively arranged in the corresponding socket large-diameter holes 15, the upper ends of the clamping sleeve base bodies 3 are arranged in the pressing plate inner cavities 8, the lower ends of the clamping sleeve base bodies penetrate through the corresponding socket small-diameter holes 16, a plurality of spiral pressure springs 17 are respectively sleeved outside the corresponding base body thin-wall sections 18 and are positioned in the corresponding socket large-diameter holes 15, the upper ends of the pressure springs 17 are in contact with the base body annular outer steps 27 at the upper ends of the corresponding base body thin-wall sections 18, the lower ends of the pressure springs 17 are in contact with the socket annular inner steps at the lower ends of the corresponding socket large-diameter holes 15, a plurality of clamping sleeves 23 are respectively arranged in the lower sections of the corresponding base body through holes 19, the clamping sleeves 23 are provided with vertical clamping sleeve through holes 30, the aperture of the clamping sleeve through holes 30 is larger than the outer diameter of the jack post 1, the lower sections of the clamping sleeve through holes 30 are provided with a section of a clamping sleeve tapered hole 31 with a large upper part and a small part, the aperture of the lower end of the conical hole 31 of the clamping sleeve is smaller than the outer diameter of a cylinder formed by surrounding a plurality of jack pieces 21 on one jack column 1, and the jack pieces 21 on one jack column 1 penetrate through the corresponding base through hole 19 and the corresponding clamping sleeve through hole 30.

As shown in fig. 1-6, the present invention also discloses a plurality of more optimized specific structures, which can be combined with one or more structures in an overlapping manner to form a more optimized technical solution according to actual needs.

In order to facilitate the installation of the clamping sleeve 23 in the clamping sleeve base body 3 and realize vertical positioning, the upper section of the clamping sleeve 23 is provided with notches to form a plurality of clamping sheets 22, the upper end of each clamping sheet 22 protrudes towards the periphery to form an outer convex step 20, the aperture of the lower section of the base body through hole 19 is reduced to form a base body small-diameter hole 29, the clamping sleeve 23 is arranged in the corresponding base body small-diameter hole 29, and the outer convex step 20 is arranged on the base body annular inner step 28 at the upper end of the corresponding base body small-diameter hole 29. During assembly, the clamping sleeve 23 is compressed and assembled in place from bottom to top through the elasticity of the material of the clamping sleeve, namely, after the outer convex step 20 passes over the annular inner step 28 of the base body, the outer convex step 20 is sprung open and hung, and the clamping sleeve base body 3 and the outer convex step 20 are assembled into a whole.

In order to achieve better vertical positioning and maintain the appearance of the clamping sleeve 23, the lower end of the clamping sleeve 23 is provided with a sleeve cap 26 with a larger outer diameter, the outer diameter of the sleeve cap 26 is larger than the aperture of the small-diameter base body hole 29 and smaller than the aperture of the small-diameter socket hole 16, and the sleeve cap 26 is arranged outside the corresponding small-diameter base body hole 29 and inside the corresponding small-diameter socket hole 16.

In order to achieve a better clamping effect of the clamping sleeve 23 on the jack piece 21, the angle between the hole wall 24 of the conical hole 31 of the clamping sleeve and the vertical direction is 15-45 degrees, preferably 30 degrees.

In order to facilitate insertion of a contact pin, a section of clamping sleeve cylindrical hole 25 is connected below the clamping sleeve conical hole 31, and the diameter of the clamping sleeve cylindrical hole 25 is the same as that of the lower end of the clamping sleeve conical hole 31.

In order to improve the smoothness of the clamping and loosening operation of the clamping sleeve 23 on the jack piece 21, the conical hole 31 of the clamping sleeve is smoothly transited with the through hole 30 of the upper clamping sleeve and the cylindrical hole 25 of the lower clamping sleeve.

In order to further improve the smoothness of the clamping and releasing operations of the clamping sleeve 23 on the jack sheet 21, the outer wall of the lower end of the jack sheet 21 is provided with a conical surface 32 matched with the hole wall 24 of the conical hole 31 of the clamping sleeve.

In order to facilitate processing and assembling the socket body, the socket body comprises a first socket board 9, a second socket board 10, a third socket board 11 and a fourth socket board 12 which are transversely arranged and connected with each other from top to bottom in sequence, the third socket board 11 is provided with a vertical central through hole and forms a pressing plate inner cavity 8, a plurality of corresponding vertical through holes are formed in the first socket board 9 and the second socket board 10 to form a plurality of socket screw holes 6, a plurality of corresponding vertical through holes are formed in the first socket board 9 and the second socket board 10 to form an upper section of a plurality of socket through holes 13, a convex ring groove 14 is formed by increasing the diameter of a lower section of the vertical through hole of the first socket board 9, and a plurality of corresponding vertical through holes are formed in the fourth socket board 12 to form a plurality of large-diameter socket holes 15 and a plurality of small-diameter socket holes 16.

In order to connect the socket boards quickly and stably, the first socket board 9, the second socket board 10, the third socket board 11 and the fourth socket board 12 are connected by a plurality of vertical rivets 7 at positions close to the edges.

As shown in fig. 1-5, when in use, the upper end of the jack post 1 is welded with a lead wire and is matched with a plug for use; when the socket and the plug are connected, the control screw 5 is firstly rotated to move downwards to push the pressing plate 4, the clamping sleeve base body 3 and the clamping sleeve 23 to move downwards, the conical hole 31 of the clamping sleeve moves downwards to ensure that the jack piece 21 is not stressed by the pressure of the hole wall 24 of the conical hole 31 of the clamping sleeve to recover the natural state, at the moment, a plurality of contact pins of the plug are correspondingly inserted into the jack pieces 21 of the jack columns 1, the contact pins are stressed by the jack pieces 21 with small pressure (under the condition that the jack pieces 21 close up) or without pressure (under the condition that the jack pieces 21 do not close up), the friction force is small or without friction force, after the contact pins are inserted in place, the control screw 5 is rotated reversely, under the elastic action of the pressure spring 17, the pressing plate 4 moves upwards, the conical hole 31 of the clamping sleeve moves upwards to ensure that the hole wall 24 of the clamping sleeve extrudes the jack pieces 21 inwards, the clamping effect of the jack pieces 21 on the contact pins is realized, and the clamping power is provided by the pressure spring 17, therefore, the clamping device has the characteristics of stable and durable clamping; before the contact pin is pulled out, the control screw 5 is rotated to move downwards until the jack piece 21 restores to a natural state, the friction force for pulling out the contact pin is small or no friction force is generated, so that the function of small insertion force or zero insertion force is realized on the premise of not influencing the good electric conductivity of the jack post 1 and the contact pin, the insertion and pulling operation is convenient, the clamping function and the good electric conductivity function of the contact pin are realized without only depending on the self elasticity of the jack piece 21, for the closing structure of the jack piece 21, the double contact positive pressure provided by the material elasticity of the pressure spring 17 and the jack piece 21 obviously reduces the contact resistance, the small insertion and pulling force is realized, and the electric connection reliability of the electric connector is obviously improved.

Description of the drawings: the electric connector socket with small insertion force or zero insertion force can be in an external square shape, a circular shape or other required shapes, and the number and the arrangement mode of the jack posts 1 are determined according to actual requirements. In practical application, the small-insertion-force or zero-insertion-force electric connector socket can be directly applied, and can be used in a relatively static application occasion by utilizing the stable connection between the contact pin of the plug and the jack column 1; a fixing structure for fixedly connecting with the plug may be added to the socket body so as to be reliably applied in a vibration environment, and the fixing structure is a conventional structure adopted in the prior art of the electrical connector and therefore is not specifically described in the present invention.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims (9)

1. The utility model provides an electric connector socket of little plug power or zero plug power, includes insulating socket ontology and electrically conductive jack post, the grafting end of jack post is equipped with the notch and forms a plurality of radial cross-sections and be convex jack piece, this internal a plurality of socket through-holes that are equipped with of socket just establish of socket through-hole's axial is vertical, and is a plurality of vertical the jack post passes a plurality of respectively the socket through-hole just establishes the jack piece is located the lower extreme, its characterized in that: the electric connector socket with small insertion force or zero insertion force further comprises a clamping sleeve, a clamping sleeve base body, a pressure spring, a pressure plate and control screws, wherein a pressure plate inner cavity and all socket through holes are formed in the socket body and penetrate through the pressure plate inner cavity, the pressure plate is arranged in the pressure plate inner cavity transversely, the vertical height of the pressure plate is smaller than that of the pressure plate inner cavity, a plurality of vertical socket screw holes are formed in the socket body above the pressure plate inner cavity, the lower ends of screw rods of the control screws respectively penetrate through the socket screw holes from top to bottom and can be arranged in the pressure plate inner cavity, a convex ring groove which is increased towards the outer circumferential direction is formed in one section of the socket through hole above the pressure plate inner cavity, a convex ring which is convex towards the outer circumferential direction is arranged at a position, corresponding to the convex ring groove, and is arranged in the convex ring groove, the pressing plate is provided with a plurality of vertical pressing plate through holes corresponding to the socket through holes, the jack posts penetrate through the corresponding pressing plate through holes, the diameter of one section of the socket through holes positioned below the inner cavity of the pressing plate is increased to form a large-diameter socket hole, the diameter of the lower end of the large-diameter socket hole is reduced to form a small-diameter socket hole, the columnar and vertical clamping sleeve base body is provided with a vertical base body through hole, the outer wall of the lower section of the clamping sleeve base body is thinned to form a base body thin-wall section, the clamping sleeve base bodies are respectively arranged in the corresponding large-diameter socket holes, the upper ends of the clamping sleeve base bodies are arranged in the inner cavity of the pressing plate, the lower ends of the clamping sleeve base bodies penetrate through the corresponding small-diameter socket holes, the compression springs are respectively sleeved outside the corresponding base body thin-wall sections and positioned in the corresponding large-diameter socket holes, and the upper ends of the compression springs are in contact with the corresponding annular outer steps of the base body at the upper ends of the base body sections, the lower end of the pressure spring is in contact with the corresponding socket annular inner step at the lower end of the socket large-diameter hole, a plurality of clamping sleeves are respectively installed in the lower sections of the base body through holes in one-to-one correspondence, each clamping sleeve is provided with a vertical clamping sleeve through hole, the aperture of each clamping sleeve through hole is larger than the outer diameter of each jack post, a section of clamping sleeve tapered hole which is large in top and small in bottom is arranged on the lower section of each clamping sleeve through hole, the aperture of the lower end of each clamping sleeve tapered hole is smaller than one jack piece on each jack post, the jack pieces surround to form the outer diameter of a cylinder, and one jack piece on each jack post penetrates through the corresponding base body through hole and the corresponding clamping sleeve through hole.

2. The low or zero insertion force electrical connector receptacle of claim 1, wherein: the clamping sleeve is arranged in the corresponding small-diameter base body hole, and the outward convex step is arranged on the annular inner step of the base body at the upper end of the corresponding small-diameter base body hole.

3. The low or zero insertion force electrical connector receptacle of claim 2, wherein: the lower extreme of clamping sleeve is equipped with the cover cap that the external diameter is bigger, the external diameter of cover cap is greater than the aperture of base body path hole and is less than the aperture of socket path hole, the cover cap is arranged in corresponding outside the base body path hole and in being arranged in the corresponding socket path hole.

4. The low or zero insertion force electrical connector receptacle of claims 1, 2 or 3, wherein: the included angle between the hole wall of the tapered hole of the clamping sleeve and the vertical direction is 15-45 degrees.

5. The low or zero insertion force electrical connector receptacle of claim 4, wherein: and a section of clamping sleeve cylindrical hole is connected below the clamping sleeve conical hole, and the aperture of the clamping sleeve cylindrical hole is the same as that of the lower end of the clamping sleeve conical hole.

6. The low or zero insertion force electrical connector receptacle of claim 5, wherein: and the conical hole of the clamping sleeve is in smooth transition with the through hole of the clamping sleeve above and the cylindrical hole of the clamping sleeve below.

7. The low or zero insertion force electrical connector receptacle of claims 1, 2 or 3, wherein: and the outer wall of the lower end of the jack piece is provided with a conical surface matched with the hole wall of the conical hole of the clamping sleeve.

8. The low or zero insertion force electrical connector receptacle of claims 1, 2 or 3, wherein: socket ontology includes horizontal and from top to bottom arrange in proper order and interconnect's first socket, second socket, third socket and fourth socket, the third socket is equipped with vertical central through-hole and forms the clamp plate inner chamber, be equipped with a plurality of vertical screws that correspond on the first socket with be equipped with a plurality of vertical through-holes that correspond on the second socket and form a plurality ofly the socket screw, first socket with be equipped with a plurality of vertical through-holes that correspond on the second socket respectively and form a plurality of the upper segment of socket through-hole, the hypomere aperture increase of the vertical through-hole of first socket forms the protruding annular, be equipped with a plurality of vertical through-holes that correspond on the fourth socket and form a plurality of socket major diameter hole and a plurality of socket minor diameter hole.

9. The low or zero insertion force electrical connector receptacle of claim 8, wherein: the first socket board, the second socket board, the third socket board and the fourth socket board are connected through a plurality of vertical rivets at positions close to the edges.

Images