CN113258368A

CN113258368A - Branch generating line contact seat assembly structure

Info

Publication number: CN113258368A
Application number: CN202110526463.1A
Authority: CN
Inventors: 赵海波; 张建成; 李科峰
Original assignee: Hunan Changgao Electric Co ltd
Current assignee: Hunan Changgao Electric Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-08-13
Anticipated expiration: 2041-05-14
Also published as: CN113258368B

Abstract

The invention discloses a branch bus contact seat assembly structure, which comprises: the contact finger mounting seat is tubular, a plug-in pipeline is arranged on the contact finger mounting seat, the outer wall of the contact finger mounting seat is arc-shaped and arched from two ends to the middle, an annular first spring contact finger mounting groove is formed in the plug-in pipeline, a first spring contact finger is arranged in the first spring contact finger mounting groove, and the inner diameter of the first spring contact finger is smaller than that of the plug-in pipeline; the contact seat, the contact seat has the pilot hole, the one end of pilot hole is equipped with the inserted hole, and the other end is equipped with the baffle, be equipped with in the pilot hole with touch the arc wall that indicates the mount pad outer wall and match, the tank bottom of arc wall is equipped with annular second spring and touches and indicates the mounting groove, the second spring touches and indicates that it touches to be equipped with the second spring in the mounting groove and indicates, touch and indicate the mount pad to install in the arc wall, just touch the outer wall that indicates the mount pad with the second spring touches and indicates to touch and connect.

Description

Branch generating line contact seat assembly structure

Technical Field

The invention relates to an electrical equipment connecting part, in particular to a branched bus contact seat assembling structure.

Background

In a conventional contact seat, a spring contact finger is fixed, and when a conductor is inserted, the conductor is stressed eccentrically due to too heavy weight or too large pushing force, so that the spring contact finger is deformed, and the conductivity is damaged.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an assembly structure of a contact seat of a branch bus, which can solve the problem that a spring contact finger is damaged when a conductor is inserted into the contact seat.

The invention discloses a branch bus contact block assembly structure, which comprises:

the contact finger mounting seat is tubular, a plug-in pipeline is arranged on the contact finger mounting seat, the outer wall of the contact finger mounting seat is arc-shaped and arched from two ends to the middle, an annular first spring contact finger mounting groove is formed in the plug-in pipeline, a first spring contact finger is arranged in the first spring contact finger mounting groove, and the inner diameter of the first spring contact finger is smaller than that of the plug-in pipeline;

the contact seat, the contact seat has the pilot hole, the one end of pilot hole is equipped with the inserted hole, and the other end is equipped with the baffle, be equipped with in the pilot hole with touch the arc wall that indicates the mount pad outer wall and match, the tank bottom of arc wall is equipped with annular second spring and touches and indicates the mounting groove, the second spring touches and indicates that it touches to be equipped with the second spring in the mounting groove and indicates, touch and indicate the mount pad to install in the arc wall, just touch the outer wall that indicates the mount pad with the second spring touches and indicates to touch and connect.

The branch bus contact block assembly structure provided by the embodiment of the invention at least has the following beneficial effects: through be equipped with in the pilot hole with touch the arc wall that the finger mount pad outer wall matches, and touch the outer wall that indicates the mount pad and be the corresponding arc form with it, cartridge pipeline in-process when the conductor inserts, when the conductor inserts first spring and touches when pointing, first spring touches and presss from both sides tight male conductor, the conductor continues to insert the in-process, can drive and touch and indicate the mount pad and slide on the arc wall along inserting the direction, thereby alleviate first spring and touch and indicate gravity and the thrust effect that comes from the conductor, alleviate the pressure that first spring touched and indicates, avoid first spring to touch and indicate to take place the deformation, and then guarantee that first spring touches the contact electric conductive property that indicates.

In addition, in the process that the contact finger mounting seat slides on the arc-shaped groove along the insertion direction, the second spring contact finger mounted in the second spring contact finger mounting groove cannot deform due to sliding of the contact finger mounting seat, the second spring contact finger is basically maintained in an initial state, and the contact conductivity of the second spring contact finger is ensured.

According to some embodiments of the present invention, two installation seats are fixedly arranged in the assembly hole, each installation seat has an annular structure, one end of an inner wall of each installation seat is a thin end, the other end of the inner wall of each installation seat is a thick end, the inner walls of the installation seats are arc-shaped from the thin end to the thick end, the thin ends of the two installation seats are arranged oppositely, the inner walls of the two installation seats jointly form the arc-shaped groove, and the second spring contact finger installation groove is arranged between the two installation seats.

According to some embodiments of the invention, a limit stop is arranged in the assembly hole, the limit stop is arranged close to the insertion opening, the mounting seat close to the baffle abuts against the baffle, and the mounting seat close to the limit stop abuts against the limit stop.

According to some embodiments of the invention, the limit stop is of a snap ring structure, a limit stop mounting groove is arranged in the assembly hole, and the limit stop is clamped in the limit stop mounting groove.

According to some embodiments of the invention, two insulating rings are arranged in the insertion pipe, the two insulating rings are arranged on two sides of the first spring contact finger, and the inner diameter of each insulating ring is not smaller than that of the first spring contact finger.

According to some embodiments of the present invention, two insulation ring installation grooves are formed in the insertion pipe, the two insulation ring installation grooves are disposed on two sides of the first spring finger installation groove, and the two insulation rings are respectively installed in the corresponding insulation ring installation grooves.

According to some embodiments of the invention, the insulating ring is a ring body having elasticity, and the insulating ring is provided with an opening.

According to some embodiments of the invention, the baffle plate is provided with a plurality of through holes communicating with the assembly holes.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a contact block assembly structure of a branch bus according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a contact block assembly structure of a branch bus according to an embodiment of the present invention;

FIG. 3 is an exploded view of an assembly structure of a branch bus contact block according to an embodiment of the present invention;

figure 4 is a schematic view of a conductor being inserted into a contact block.

Reference numerals:

a contact finger mounting seat 100 and an insertion pipeline 110; a first spring finger 200; the contact seat 300, the assembly hole 310, the baffle 320 and the through hole 321; a second spring finger 400; a mount 500; a limit stop 600; an insulating ring 700; a conductor 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, the branch bus bar contact block assembly structure according to the embodiment of the present invention includes:

the contact finger mounting seat 100 is tubular, the contact finger mounting seat 100 is provided with an insertion pipeline 110, the outer wall of the contact finger mounting seat 100 is arc-shaped and arched from two ends to the middle, an annular first spring contact finger mounting groove is formed in the insertion pipeline 110, a first spring contact finger 200 is arranged in the first spring contact finger mounting groove, and the inner diameter of the first spring contact finger 200 is smaller than that of the insertion pipeline 110;

contact seat 300, contact seat 300 have assembly hole 310, and the one end of assembly hole 310 is equipped with the inserted hole, and the other end is equipped with baffle 320, is equipped with in the assembly hole 310 and touches the arc wall that finger mount pad 100 outer wall matches, and the tank bottom of arc wall is equipped with annular second spring and touches and indicates the mounting groove, and the second spring touches and indicates that the mounting inslot is equipped with the second spring and touches and indicate 400, touches and indicates that mount pad 100 installs in the arc wall, and the outer wall that touches finger mount pad 100 touches with the second spring and indicates 400 to touch and connect.

As shown in fig. 4, during insertion of conduit 110 when conductors 800 are inserted, first spring finger 200 grips conductors 800 inserted therein when conductors 800 are inserted into first spring finger 200. In the process that the conductor 800 is continuously inserted, the conductor 800 drives the contact finger mounting base 100 to slide on the arc-shaped groove of the contact base 300 along the insertion direction, and part of gravity and thrust action from the conductor 800 are shared, so that the pressure of the first spring contact finger 200 is relieved, the first spring contact finger 200 is prevented from being deformed, and the contact conductivity of the first spring contact finger 200 is ensured.

In addition, in the process that the finger mounting seat 100 slides on the arc-shaped groove along the insertion direction, the second spring finger 400 mounted in the second spring finger mounting groove is not deformed due to the sliding of the finger mounting seat 100, and is substantially maintained in an initial state, thereby ensuring the contact conductivity of the second spring finger 400.

In some embodiments of the present invention, two installation seats 500 are fixedly disposed in the installation hole 310, each installation seat 500 is of an annular structure, one end of an inner wall of each installation seat 500 is a thin end, the other end of the inner wall of each installation seat 500 is a thick end, the inner walls of the installation seats 500 are arc-shaped from the thin end to the thick end, the thin ends of the two installation seats 500 are disposed opposite to each other, the inner walls of the two installation seats 500 together form an arc-shaped groove, and the second spring contact finger installation groove is disposed between the two installation seats 500.

In some embodiments of the present invention, the arc-shaped slot is formed by two mounting seats 500, and in particular, the assembly hole 310 only needs to be machined into a regular cylindrical hole structure during the production process, which is a simple machining method. Of course, the arc-shaped groove can be directly machined in the assembly hole 310, obviously, the machining difficulty is greatly increased, the machining cost is higher, but the reliability is better. The mounting seat 500 is only required to be additionally processed, and in the using process, the mounting seat 500 is mounted in the assembling hole 310, so that the processing and production cost is reduced.

In some embodiments of the present invention, a limit stop 600 is disposed in the mounting hole 310, the limit stop 600 is disposed near the insertion opening, the mounting seat 500 near the baffle 320 abuts against the baffle 320, and the mounting seat 500 near the limit stop 600 abuts against the limit stop 600.

In this embodiment, the stop plate 320 and the stop block 600 are used to stop the two mounting seats 500, and the thick ends of the two mounting seats 500 abut against the stop plate 320 and the stop block 600, respectively, so as to prevent the two mounting seats 500 from sliding due to the sliding of the contact finger mounting seat 100 during the insertion of the conductor 800.

In some embodiments of the present invention, the limit stop 600 is a snap ring structure, a limit stop installation groove is formed in the assembly hole 310, and the limit stop 600 is snapped in the limit stop installation groove.

By being disposed at the limit stop mounting groove, the limit stop 600 is clamped in the fitting hole 310 through the limit stop mounting groove. Specifically, after the two mounting seats 500 are mounted, the limit stop 600 is clamped in the limit stop mounting groove, and the mounting work of the mounting seats 500 is completed.

In some embodiments of the present invention, two insulation rings 700 are disposed in the insertion pipe 110, the two insulation rings 700 are disposed on two sides of the first spring contact finger 200, and the inner diameter of the insulation ring 200 is not smaller than the inner diameter of the first spring contact finger 200.

Normally, the conductor 800 is in multi-point contact with the first spring contact finger 200 to realize contact conduction, and in order to prevent the conductor 800 from being in direct contact with the inner wall of the insertion pipe 110 and short circuit due to over-deformation of the first spring contact finger 200. By providing the insulating ring 700, even if the first spring finger 200 is deformed excessively, the conductor 800 does not directly contact the inner wall of the insertion pipe 110, thereby blocking the possibility of the conductor 800 directly contacting the inner wall of the insertion pipe 110.

In some embodiments of the present invention, two insulation ring installation grooves are formed in the insertion pipe 110, the two insulation ring installation grooves are disposed at both sides of the first spring finger installation groove, and the two insulation rings 700 are respectively installed in the corresponding insulation ring installation grooves. The insulation ring 700 is installed in the insertion pipe 110 through the insulation ring installation groove, the insulation ring 700 and the contact finger installation seat 100 are independently produced, the production process is favorably reduced, the production cost is reduced, and the insulation ring 700 is clamped in the insulation ring installation groove after production is completed.

Further, the insulating ring 700 is an elastic ring body, and the insulating ring 700 is provided with an opening. When the insulation ring 700 is clamped in the insulation ring mounting groove, the insulation ring 700 is provided with the opening, the insulation ring 700 contracts by applying pressure to the insulation ring 700, the insulation ring 700 can be placed in the insulation ring mounting groove, then the pressure is removed, the insulation ring 700 returns to the original shape, and the clamping operation is completed.

In some embodiments of the present invention, the baffle 320 is provided with a plurality of through holes 321 communicated with the mounting holes 310 for mounting other line devices.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A branch bus contact block assembly structure is characterized by comprising:

the contact finger mounting seat (100) is tubular, the contact finger mounting seat (100) is provided with an insertion pipeline (110), the outer wall of the contact finger mounting seat (100) is arc-shaped and arched from two ends to the middle, an annular first spring contact finger mounting groove is formed in the insertion pipeline (110), a first spring contact finger (200) is arranged in the first spring contact finger mounting groove, and the inner diameter of the first spring contact finger (200) is smaller than that of the insertion pipeline (110);

contact seat (300), contact seat (300) have pilot hole (310), the one end of pilot hole (310) is equipped with the inserted hole, and the other end is equipped with baffle (320), be equipped with in pilot hole (310) with touch the arc wall that matches of indicating mount pad (100) outer wall, the tank bottom of arc wall is equipped with annular second spring and touches and indicates the mounting groove, the second spring touches and indicates that to be equipped with the second spring in the mounting groove and touches and indicate (400), touch and indicate mount pad (100) to install in the arc wall, just touch the outer wall that indicates mount pad (100) with the second spring touches and indicates (400) to touch and connect.

2. The drop bus contact block assembly structure of claim 1, wherein: two mount pads (500) have set firmly in pilot hole (310), mount pad (500) are the loop configuration, the inner wall one end of mount pad (500) is thin end, and the other end is thick end, the inner wall of mount pad (500) is the arcuation by thin end to thick end, twice the thin end of mount pad (500) sets up relatively, twice the inner wall of mount pad (500) constitutes jointly the arc wall, the second spring touches and indicates that the mounting groove sets up two between mount pad (500).

3. The drop bus contact block assembly structure of claim 2, wherein: be equipped with limit stop (600) in pilot hole (310), limit stop (600) are close to the inserted hole sets up, are close to baffle (320) mount pad (500) with baffle (320) butt, be close to limit stop (600) mount pad (500) with limit stop (600) butt.

4. The drop bus contact block assembly structure of claim 3, wherein: the limiting stop (600) is of a snap ring structure, a limiting stop mounting groove is formed in the assembling hole (310), and the limiting stop (600) is clamped in the limiting stop mounting groove.

5. The drop bus contact block assembly structure of claim 1, wherein: two insulating rings (700) are arranged in the plug-in mounting pipeline (110), the two insulating rings (700) are arranged on two sides of the first spring contact finger (200), and the inner diameter of the insulating ring (200) is not smaller than that of the first spring contact finger (200).

6. The drop bus contact block assembly structure of claim 5, wherein: two insulating ring mounting grooves are formed in the insertion pipeline (110), the two insulating ring mounting grooves are formed in two sides of the first spring contact finger mounting groove, and the two insulating rings (700) are mounted in the corresponding insulating ring mounting grooves respectively.

7. The drop bus contact block assembly structure of claim 6, wherein: the insulating ring (700) is an elastic ring body, and the insulating ring (700) is provided with an opening.

8. The drop bus contact block assembly structure of claim 1, wherein: the baffle (320) is provided with a plurality of through holes (321) communicated with the assembly holes (310).