CN217607074U - Plug-in type duplex pressing plate - Google Patents

Abstract

The utility model relates to a plug-in pair clamp plate, including picture peg, shell and a plurality of wiring screw rod, the shell includes base and four sleeves, four the sleeve sets up the base upper end, and with the base is the intercommunication, and is a plurality of wiring screw rod one-to-one runs through base and sleeve, the wiring screw rod protrusion demountable installation has the line ball gasket on the telescopic front end, the rear end of wiring screw rod is provided with the blind hole, be provided with the pipe spring in the blind hole, picture peg demountable installation be in the base lower extreme, the picture peg towards base one side is provided with a plurality of plug-ins, the plug-in inserts in the pipe spring. Utilize pipe spring and plug-in components tip butt, the pipe spring has better elasticity, and is great with plug-in components tip area of contact, ensures that plug-in components and wiring screw rod electrical connection performance are good, avoids appearing contact failure wait the condition to take place, solves the not enough and little defect of bearing current of contact surface of current pair clamp plate.

Description

Plug-in type duplex pressing plate

Technical Field

The utility model relates to an electrical switch technical field especially relates to a plug-in pair clamp plate.

Background

The safe operation of the relay protection system is the most important safety guarantee of the power system, and the safe operation of the relay protection device and related accessories is particularly important. Because of the particularity of the relay protection equipment, a visible obvious disconnection point, namely a pressure plate, is required to be arranged on the tripping and closing circuit and the switching on and off of the protection function. The pressing plate is also called as a protective pressing plate, is a connecting piece of the protective device in connection with external wiring, and realizes the input and quit of equipment through the connection and disconnection of the electric connecting piece pressing plate. Operators can conveniently and intuitively judge whether the protection function of the relay protection device is put into use and whether a trip circuit is smooth, and great convenience is provided for maintenance and operation. The clamp plate that exists on the existing market, the input of electrical connection department adopts plug-in components and hexagonal copper to process out a jack contact, utilizes the processing technology of taking in the hole again after the processing of hexagonal brass becomes thin ring, because the elasticity of brass material is not good, the length of shrinkage cavity is also short, leads to clamp plate electrically conductive part not enough rather than contact length, produces phenomenons such as contact failure easily.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a plug-in duplex platen.

The utility model provides a plug-in pair clamp plate, includes the picture peg, shell and a plurality of wiring screw rod, the shell includes base and four sleeves, four the sleeve sets up the base upper end, and with the base is the intercommunication, and is a plurality of wiring screw rod one-to-one runs through base and sleeve, the wiring screw rod protrusion demountable installation has the line ball gasket on the telescopic front end, the rear end of wiring screw rod is provided with the blind hole, be provided with the pipe spring in the blind hole, picture peg demountable installation be in the base lower extreme, the picture peg towards base one side is provided with a plurality of plug-ins, the plug-in inserts in the pipe spring.

Preferably, the base upper end still is provided with inserts a section of thick bamboo, insert and install the spring part in the section of thick bamboo, correspond on the picture peg insert a section of thick bamboo department and be provided with the spliced pole, the spliced pole runs through the base is pegged graft insert in the section of thick bamboo, and with the spring part is connected.

Preferably, the base is the cross, four two liang of mirror symmetry of sleeve sets up on the convex part of base, every the side of convex part all is provided with the breach.

Preferably, a protective shell is installed on one side, away from the shell, of the insertion plate.

Preferably, a sealing plate is arranged on one side of the inserting plate connected with the shell, and the inserting piece and the connecting column penetrate through the sealing plate.

Preferably, the sealing plate is provided with a positioning protrusion, and the base is correspondingly provided with a positioning hole.

Preferably, two mirror symmetry sleeves are sleeved with plastic nuts.

The utility model discloses an useful part lies in: the blind hole of the wiring screw is internally provided with the tube spring, the tube spring is in contact with the inner peripheral surface and the outer peripheral surface of the plug-in, the tube spring has better elasticity, the contact area of the tube spring with the outer peripheral surface of the plug-in is larger, the plug-in and the wiring screw are ensured to be good in electrical connection performance, poor contact and other conditions are avoided, and the defects that the contact surface of the existing duplex pressing plate is insufficient and the bearing current is small are overcome.

Drawings

FIG. 1 is a schematic perspective view of a pluggable duplex pressing plate according to an embodiment;

FIG. 2 is an exploded view of a plug-in dual platen;

fig. 3 is an exploded view of a plug-in duplex pressing plate from another view.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a plug-in pair clamp plate, including picture peg 1, shell 2 and a plurality of wiring screw rod 3, shell 2 includes base 21 and four sleeve 22, four sleeve 22 sets up base 21 upper end, and with base 21 is the intercommunication, and is a plurality of wiring screw rod 3 one-to-one runs through base 21 and sleeve 22, wiring screw rod 3 protrusion demountable installation has line ball gasket 31 on the front end of sleeve 22, the rear end of wiring screw rod 3 is provided with blind hole 32, be provided with tube spring 33 in the blind hole 32, picture peg 1 demountable installation in base 21 lower extreme, picture peg 1 towards base 21 one side is provided with a plurality of plug-in components 11, plug-in components 11 insert in the tube spring 33. Specifically, the inserting plate 1 and the shell 2 are both plastic parts, and the wiring screw 3 and the plug-in part 11 are both generic parts, specifically, can be made of copper, and have good conductivity. Four sleeves 22 are arranged on the base 21 for protecting the wiring screws 3, the wiring screws 3 are inserted into the housing 2 along the directions of the base 21 and the sleeves 22, and hexagonal heads at the ends of the wiring screws 3 are clamped in the base 21 to prevent the wiring screws 3 from displacing in the housing 2. Be provided with line ball gasket 31 at the top of wiring screw rod 3, be convenient for be connected with outside pencil, compress tightly the joint of pencil, guarantee that the electricity connection performance is good. A blind hole 32 is formed in a hexagonal head at the bottom end of a wiring screw rod 3, a tube spring 33 is installed by utilizing the blind hole 32, the tube spring 33 is in a circular tube shape, the diameters of two ends of the tube spring 33 are large, the diameter of the middle of the tube spring is small, the length of the tube spring is about 8.3mm, the tube spring is made of phosphor copper and has certain elasticity, when a cylindrical copper plug-in piece 11 on an insertion plate 1 is inserted into a shell 2 oppositely, namely, a pressing plate is changed into a passage state from an open circuit state, the four plug-in pieces 11 can be correspondingly inserted into the tube spring 33, the insertion depth is about 7-8mm, the plug-in piece 11 can be clamped by utilizing the design that the two ends of the tube spring are large and the middle of the tube spring is small and the elastic force of the plug-in piece 11, the plug-in piece 11 is prevented from being directly inserted into the blind hole 32, the contact area with the plug-in piece 11 is increased, and the defect that the current carrying capacity of the existing plug-in-out pressing plate is small is solved. And the plug-in components 11 are elastically clamped by the tube springs 33, when the plug board 1 is pulled back from one side of the shell 2, namely when the circuit is broken from the access state, the tube springs 33 cannot block the plug-in components 11, the plugging can be smoothly completed, the plug-in and pull-out device is very convenient and quick to use, specifically, the plug board 1 and the base 21 can be connected by using connecting components such as bolts or pin shafts, and when the plug-in and pull-out device needs to be plugged, the plug board 1 and the base 21 can be separated by loosening the bolts or other connecting components.

As shown in fig. 1 to 3, an inserting cylinder 23 is further arranged at the upper end of the base 21, a spring part 4 is installed in the inserting cylinder 23, a connecting column 12 is arranged on the inserting plate 1 corresponding to the inserting cylinder 23, and the connecting column 12 penetrates through the base 21 to be inserted in the inserting cylinder 23 and connected with the spring part 4. Specifically, in this embodiment, a section of thick bamboo 23 is inserted in the setting, be used for installing spring part 4, and spliced pole 12 is connected with spring part 4, when picture peg 1 separates with base 21, when inserting the interval increase between picture peg 1 and the base 21, this moment because spring part 4 is that the activity joint is in inserting a section of thick bamboo 23, and the 4 other pot heads of spring part establish in the spliced pole 12 outside, and be connected with it, spring part 4 is consequently compressed, exert an elastic force towards base 21 one side to picture peg 1, spacing of separating between restriction picture peg 1 and the base 21, prevent that operating personnel from passing through and drawing picture peg 1. Meanwhile, when the inserting plate 1 and the base 21 are folded by an operator, and the spring part 4 is restored to the normal state from the compressed state, the elastic force of the spring part 4 on the inserting plate 1 disappears, and the inserting part 11 can be normally inserted into the pipe spring 33.

As shown in fig. 1 to 3, the base 21 is cross-shaped, four of the sleeves 22 are arranged on the convex portions 211 of the base 21 in a mirror symmetry manner, and a notch 212 is arranged on a side edge of each convex portion 211. Specifically, when drawing picture peg 1, make plug-in components 11 break away from the port department of wiring screw rod 3, when becoming the open circuit, around spliced pole 12 this moment, rotate picture peg 1, the turned angle is 45 degrees, can make four plug-in components 11 and wiring screw rod 3 misplace one by one, the complete separation, loosen picture peg 1 this moment, because for plug-in components 11 follow tube spring 33 and extract, picture peg 1 deviates from base 21 once and draws mutually, spring part 4 is in a compression state this moment, after loosening picture peg 1, spring part 4 resets, make picture peg 1 again with base 21 butt. When the passage is needed, the inserting plate 1 is pulled again, the inserting plate 1 is rotated, the inserting pieces 11 on the inserting plate 1 are aligned with the wiring screw rods 3 one by one, then the inserting pieces 11 are inserted into the tube springs 33 of the wiring screw rods 3, the passage connection is completed, and the operation is very simple and convenient. At this moment, the spring part 4 is restored to a normal state from a compression state, the elastic force is prevented from being continuously applied to the inserting plate 1, the spring part 4 is protected, and the service life of the spring part 4 is effectively prolonged. As shown in fig. 1 to 3, a protective shell 13 is installed on a side of the plug board 1 away from the shell 2, the protective shell 13 is a plastic part, the plug board 1 is protected, and insulation performance is better.

As shown in fig. 2 to 3, a sealing plate 14 is disposed on a side where the inserting plate 1 is connected to the housing 2, the inserting member 11 and the connecting column 12 both penetrate through the sealing plate 14, and the sealing plate 14 is a plastic plate and has certain elasticity, so as to improve the sealing property between the inserting plate 1 and the housing 2.

As shown in fig. 2 to 3, the sealing plate 14 is provided with a positioning protrusion 141, the base 21 is correspondingly provided with a positioning hole 213, and when the sealing plate 14 is clamped on the base 21, the positioning protrusion 141 is inserted into the positioning hole 213, thereby preventing assembly errors.

As shown in fig. 1 to 3, plastic nuts 221 are sleeved on the two mirror-symmetrical sleeves 22 to serve as marks, and the wiring screws 3 in the sleeves 22 sleeved with the plastic nuts 221 are used as main loops, and the other two plastic nuts are used as auxiliary loops to prevent wiring errors.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides a plug-in pair clamp plate which characterized in that: including picture peg, shell and a plurality of wiring screw rod, the shell includes base and four sleeves, four the sleeve sets up the base upper end, and with the base is the intercommunication, and is a plurality of wiring screw rod one-to-one runs through base and sleeve, the wiring screw rod protrusion demountable installation has the line ball gasket on the telescopic front end, the rear end of wiring screw rod is provided with the blind hole, be provided with the tube spring in the blind hole, picture peg demountable installation be in the base lower extreme, the picture peg towards base one side is provided with a plurality of plug-ins, the plug-in inserts in the tube spring.

2. The pluggable duplex platen according to claim 1, wherein: the base upper end still is provided with inserts a section of thick bamboo, insert and install the spring part in a section of thick bamboo, correspond on the picture peg insert a section of thick bamboo department and be provided with the spliced pole, the spliced pole runs through the base is pegged graft insert in the section of thick bamboo, and with the spring part is connected.

3. The pluggable duplex platen according to claim 2, wherein: the base is the cross, four two liang of mirror symmetry of sleeve sets up on the convex part of base, every the side of convex part all is provided with the breach.

4. The pluggable duplex platen according to claim 3, wherein: the protective housing is installed to the picture peg deviates from shell one side.

5. The pluggable duplex platen according to claim 4, wherein: the side of the inserting plate connected with the shell is provided with a sealing plate, and the inserting piece and the connecting column penetrate through the sealing plate.

6. The pluggable duplex platen according to claim 5, wherein: the sealing plate is provided with a positioning bulge, and the base is correspondingly provided with a positioning hole.

7. The pluggable duplex platen according to claim 1, wherein: the two mirror symmetry sleeves are sleeved with plastic nuts.

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