CN218039842U

CN218039842U - Stable in structure type binding post row

Info

Publication number: CN218039842U
Application number: CN202221277180.4U
Authority: CN
Inventors: 赵典奖; 赵典鹏; 徐勇平
Original assignee: Zhejiang Simson Electric Technology Co ltd
Current assignee: Zhejiang Simson Electric Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-12-13
Anticipated expiration: 2032-05-23

Abstract

The application relates to the technical field of wiring terminals, and discloses a stable-structure type wiring terminal strip which comprises a plurality of terminal bodies, wherein wiring holes for wires to penetrate are formed in the terminal bodies, fastening screws are connected to the hole walls of the wiring holes in a threaded manner, positioning assemblies for pressing the wires are arranged in the wiring holes, each positioning assembly comprises an installation block detachably arranged on the terminal body and an elastic sheet with one end connected to the installation block, and the elastic sheet can be bent and deformed around the connection end of the elastic sheet and the installation block; when the wire penetrates through the wiring hole, the elastic sheet can enable the wire to be tightly abutted to the hole wall of the wiring hole, wherein the fastening screw is screwed in the hole wall. This application has the effect that can improve wire and wear to locate stability when wiring the hole.

Description

Stable in structure type binding post row

Technical Field

The application relates to the technical field of wiring terminals, in particular to a stable structure type wiring terminal strip.

Background

The wiring terminal strip is an electrical appliance accessory which is used for connecting equipment in a screen cabinet with equipment outside the screen cabinet so as to transmit signals, and is widely applied to the fields of electric power, traffic, buildings, industrial automation and the like.

In the related art, chinese patent No. CN203503805U discloses a terminal block, which includes a terminal body, a plurality of insulating spacers are uniformly distributed on the terminal body along a length direction thereof, a plurality of wiring holes are formed between the insulating spacers, a fastening screw is disposed on a side surface of the terminal body, and a wire is inserted into the wiring hole and pressed by the fastening screw when in use.

In the process of implementing the present application, the inventors found that the technology has at least the following problems: when connecting the wire in the wiring terminal row, the wire is in a loose state and poor in stability after penetrating through the wiring hole and before rotating the fastening screw, and an operator can easily pull the wire out of the wiring hole by mistake and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Stability when wearing to locate the wiring hole in order to improve the wire, this application provides a stable in structure type binding post row.

The application provides a stable in structure type binding post row adopts following technical scheme:

a wiring terminal block with stable structure comprises a plurality of terminal bodies, wherein wiring holes for wires to penetrate are formed in the terminal bodies, fastening screws are connected to the hole walls of the wiring holes in a threaded mode, positioning assemblies for pressing the wires are arranged in the wiring holes, each positioning assembly comprises an installation block detachably arranged on the terminal body and a spring piece, one end of each spring piece is connected to the corresponding installation block, and the spring pieces can be bent and deformed around the connecting ends of the spring pieces and the installation blocks; when the wire penetrates through the wiring hole, the elastic sheet can enable the wire to be tightly abutted to the hole wall of the wiring hole, wherein the fastening screw is screwed in the hole wall.

Through adopting above-mentioned technical scheme, lie in when the wire wears to locate the wiring hole between shell fragment and the pore wall that the wiring hole was equipped with fastening screw soon, the shell fragment can support the wire tightly on the pore wall in wiring hole under self spring action to improve the stability when the wire wears to locate the wiring hole. When operating personnel rotated fastening screw in order to further compress tightly the wire or carry out other actions, the wire is difficult to be pulled out the wiring hole by the mistake, is favorable to improving the electrically conductive stability of binding post row.

Optionally, one end of the elastic sheet close to the opening of the wiring hole is a fixed end fixed on the mounting block, the other end of the elastic sheet is a free end extending to one side close to the fastening screw, and the distance between the elastic sheet and the mounting block gradually increases from the fixed end to the free end.

Through adopting above-mentioned technical scheme, the stiff end of shell fragment is located the free end and is close to wiring hole open-ended one side to shell fragment stiff end is equipped with fastening screw's pore wall interval soon to the wiring hole and is greater than the pore wall interval that fastening screw was equipped with soon to the wiring hole in free end, makes the wire penetrate the wiring hole more easily, and it is efficient to work a telephone switchboard.

Optionally, a plurality of positioning springs are arranged between the free end of the elastic sheet and the mounting block, and the stretching direction of each positioning spring is the same as the deformation direction of the elastic sheet.

Through adopting above-mentioned technical scheme, positioning spring sets up between the free end of shell fragment and installation piece, plays the elastic effect of increase shell fragment, helps further improving the location effect of shell fragment to the wire.

Optionally, a push rod penetrates through the hole wall of the wiring hole provided with the fastening screw, one end of the push rod abuts against the free end of the elastic sheet, and the other end of the push rod extends out of the terminal body.

Through adopting above-mentioned technical scheme, before demolising the wire, operating personnel accessible push rod presses the free end of moving the shell fragment, and then increases shell fragment and the hole wall interval that the wiring hole was equipped with fastening screw soon, makes things convenient for operating personnel to shift out the wiring hole with the wire. Compared with the mode of directly pulling the conducting wire, the mode of removing the stitches has less damage to the conducting wire.

Optionally, the end face of the push rod close to the elastic sheet is a convex arc face.

By adopting the technical scheme, the contact surface of the push rod and the elastic sheet is a curved surface, so that the abrasion of the push rod to the surface of the elastic sheet during working is reduced.

Optionally, a mounting groove for the mounting block to slide and extend into is formed in the hole wall, far away from the fastening screw, of the wiring hole, and the mounting block is embedded in the mounting groove.

Through adopting above-mentioned technical scheme, during positioning assembly, operating personnel only need with the installation piece by the opening immigration mounting groove of mounting groove, alright realize being connected of installation piece and terminal body, simple structure, convenient operation.

Optionally, the longitudinal sections of the mounting block and the mounting groove are both trapezoidal, and the side length of the trapezoid close to the fastening screw is smaller than the side length far away from the fastening screw.

By adopting the technical scheme, the mounting block is not easy to move to one side close to the fastening screw hole after being embedded in place, and the positioning assembly is good in stability.

Optionally, the side wall of the terminal body is rotatably connected with a limiting block through a rotating shaft, and the limiting block can rotate to abut against one side, facing the mounting groove opening, of the mounting block.

Through adopting above-mentioned technical scheme, after the installation piece moved into the mounting groove, operating personnel can rotate the stopper to the one side that is close to the installation piece for make the stopper butt at the installation piece towards mounting groove open-ended one side, thereby block that the installation piece deviates from the mounting groove, help further improving locating component's stability.

Optionally, an elastic clamping block is fixed on the side wall of the limiting block close to the mounting block, and a clamping groove matched with the clamping block in a clamping manner is formed in the side face of the mounting block close to the limiting block.

By adopting the technical scheme, the clamping block is matched with the clamping groove to position the limiting block in a state of abutting against one side of the mounting block, so that the positioning effect of the limiting block on the mounting block is improved.

Optionally, a spike portion is integrally formed at one end of the fastening screw close to the elastic sheet.

By adopting the technical scheme, when the fastening screw is screwed into the lead penetrating through the wiring hole, the sharp part can be firstly contacted with the lead and puncture the sheath on the outer side of the lead, so that the trouble of stripping the lead by an operator in advance is avoided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the wire penetrates through the wiring hole, the elastic sheet can tightly support the wire on the hole wall of the wiring hole, which is screwed with the fastening screw, so that the stability of the wire is improved, and the wire is not easy to be pulled out of the wiring hole by mistake;

2. the positioning spring can enhance the elasticity of the elastic sheet, so that the pressing effect of the elastic sheet on the lead is improved; when the lead is assembled and disassembled, an operator can press the free end of the elastic sheet by using the push rod, so that the lead can be conveniently inserted or pulled out;

3. the positioning assembly is connected with the terminal body in an inserting manner through the mounting block and the mounting groove, so that the terminal is convenient to assemble and disassemble; the stopper can block the installation piece and move out the mounting groove, helps improving locating component's assembly stability.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Description of the reference numerals:

1. a terminal body; 11. a wiring hole; 12. mounting grooves; 13. a rotating shaft; 14. a limiting block; 141. a clamping block; 2. a fastening screw; 21. a spike portion; 3. a positioning assembly; 31. mounting a block; 311. a card slot; 32. a spring plate; 321. a fixed end; 322. a free end; 4. a positioning spring; 5. a push rod; 51. a convex arc surface; 6. a metal sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses stable in structure type binding post row.

Referring to fig. 1 and 2, the stable structure type terminal strip includes a plurality of terminal bodies 1 distributed continuously, in this embodiment, the terminal bodies 1 are provided with four schematic structures, and in other embodiments, the terminal bodies 1 may be provided in other numbers. The wiring hole 11 that supplies the wire to penetrate is seted up respectively to the both sides terminal surface that every terminal body 1 is relative, and the intercommunication is provided with can electrically conductive sheetmetal 6 between two wiring holes 11 on same terminal body 1, and sheetmetal 6 inlays to be established in terminal body 1.

Referring to fig. 2, a fastening screw 2 is connected to the wall of each wiring hole 11 through a thread, and a spine 21 is integrally formed at one end of the fastening screw 2 close to the wiring hole 11. After the wire is threaded into the wiring hole 11, the fastening screw 2 is screwed into the side close to the wire, the sharp part 21 will contact with the wire and pierce the sheath on the outer layer of the wire, so that the metal wire for conducting electricity in the wire can contact with the fastening screw 2 to transmit the current.

Referring to fig. 2, in order to improve the stability of the wire passing through the wiring holes 11, a set of positioning components 3 for pressing against the wire is disposed in each wiring hole 11, each positioning component 3 includes a mounting block 31 and a spring plate 32 made of a metal conductive material, and the spring plate 32 extends along the insertion direction of the wire. The end of the spring plate 32 close to the opening of the wire hole 11 is a fixed end 321 fixed on the mounting block 31, and the other end is a free end 322 extending to the side close to the fastening screw 2. In order to facilitate the lead wire to penetrate into the wiring hole 11, the distance between the elastic sheet 32 and the mounting block 31 is gradually increased from the fixed end 321 to the free end 322.

Referring to fig. 2 and 3, a mounting groove 12 for the mounting block 31 to slide into is further formed on the side wall of the terminal body 1 where the wiring hole 11 is formed, the mounting groove 12 is communicated with and disposed on one side of the wiring hole 11, and the extending direction of the mounting groove 12 is parallel to the extending direction of the wiring hole 11. In the present embodiment, the longitudinal sections of the mounting block 31 and the mounting groove 12 are both set to be trapezoidal, and the side length of the trapezoid close to the fastening screw 2 is smaller than the side length far from the fastening screw 2, so that the mounting block 31 is difficult to move to the side close to the fastening screw 2 after being embedded in the mounting groove 12. In other embodiments, the trapezoid may be an inverted "T" shape or other shapes. When the mounting block 31 is fitted to the mounting groove 12, the metal piece 6 abuts against the mounting block 31.

Referring to fig. 2 and 3, in order to prevent the mounting block 31 from coming off from the mounting groove 12, the side wall of the terminal body 1 is rotatably connected with a limit block 14 through the rotating shaft 13, and the maximum distance from the side surface of the limit block 14 to the central axis of the rotating shaft 13 is greater than the vertical distance from the mounting groove 12 to the central axis of the rotating shaft 13, so that the limit block 14 can rotate to abut against the mounting block 31 on one side of the mounting groove 12, which is open, and the mounting block 31 is prevented from moving to one side close to the mounting groove 12.

Referring to fig. 2 and 3, for further improving the stability of the limiting block 14, the side wall of the limiting block 14 close to the mounting block 31 is fixed with the fixture block 141 made of an elastic material, the side wall of the mounting block 31 close to the limiting block 14 is provided with a clamping groove 311 clamped and matched with the fixture block 141, the fixture block 141 and the clamping groove 311 are both hemispherical, the limiting block 14 can be positioned in a state of blocking one side of the mounting block 31 by clamping, and the limiting effect of the limiting block 14 on the mounting block 31 is improved.

Referring to fig. 2, a plurality of positioning springs 4 are disposed between the mounting block 31 and the free end 322 of the elastic sheet 32, one end of each positioning spring 4 is fixed on the mounting block 31, the other end of each positioning spring 4 is fixed on the elastic sheet 32, and the extending direction of each positioning spring 4 is parallel to the deformation direction of the elastic sheet 32 to enhance the elasticity of the elastic sheet 32.

Referring to fig. 2, in order to facilitate the removal of the wire, a push rod 5 is inserted through the hole wall of the wiring hole 11 screwed with the fastening screw 2, one end of the push rod 5 extends out of the terminal body 1, the other end of the push rod 5 abuts against the free end 322 of the elastic sheet 32, and the end surface of the push rod 5 close to the elastic sheet 32 is a convex arc surface 51. Before the wire is dismantled, after the fastening screw 2 is unscrewed, an operator can press the elastic sheet 32 through the push rod 5, so that the elastic sheet 32 loosens the wire, and the operator can pull the wire out of the wiring hole 11 conveniently.

The implementation principle of this application embodiment a stable in structure type binding post row does: when connecting a lead, the free end 322 of the elastic sheet 32 is pressed by the push rod 5, so that the distance between the elastic sheet 32 and the hole wall of the wiring hole 11 screwed with the fastening screw 2 is increased; then, the lead is inserted into the wiring hole 11, after the push rod 5 is loosened, the elastic sheet 32 can reset under the elastic force action of the elastic sheet and the positioning spring 4, and the lead is pressed against the hole wall of the wiring hole 11, which is screwed with the fastening screw 2, so that the stability of the lead is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stable in structure type binding post row, includes a plurality of terminal bodies (1), set up wiring hole (11) that supply the wire to penetrate on terminal body (1), threaded connection has fastening screw (2), its characterized in that on the pore wall in wiring hole (11): a positioning assembly (3) used for abutting against a lead is arranged in the wiring hole (11), the positioning assembly (3) comprises an installation block (31) detachably arranged on the terminal body (1) and an elastic sheet (32) with one end connected to the installation block (31), and the elastic sheet (32) can bend and deform around the connection end of the elastic sheet and the installation block (31); when the wire penetrates through the wiring hole (11), the elastic sheet (32) can tightly support the wire on the hole wall of the wiring hole (11) where the fastening screw (2) is screwed.

2. A structurally stable wire terminal block according to claim 1, wherein: the one end that shell fragment (32) are close to wiring hole (11) open-ended is for fixing stiff end (321) on installation piece (31), the other end is for being close to free end (322) that fastening screw (2) one side extended, the interval of shell fragment (32) and installation piece (31) by stiff end (321) to free end (322) increase gradually.

3. A structurally stable wire terminal block according to claim 2, wherein: a plurality of positioning springs (4) are arranged between the free ends (322) of the elastic sheets (32) and the mounting block (31), and the stretching direction of the positioning springs (4) is the same as the deformation direction of the elastic sheets (32).

4. A structurally stable wire terminal block according to claim 2, wherein: the wire connection hole (11) is provided with a push rod (5) on the hole wall of the fastening screw (2), one end of the push rod (5) is abutted on the free end (322) of the elastic sheet (32), and the other end of the push rod extends out of the terminal body (1).

5. A structurally stable wire terminal block according to claim 4, wherein: the end face of the push rod (5) close to the elastic sheet (32) is a convex cambered surface (51).

6. A structurally stable wire terminal block according to claim 1, wherein: the wiring hole (11) is far away from the hole wall of the fastening screw (2) and is provided with a mounting groove (12) for the mounting block (31) to slide and extend into, and the mounting block (31) is embedded in the mounting groove (12).

7. A structurally stable wire terminal block according to claim 6, wherein: the longitudinal sections of the mounting block (31) and the mounting groove (12) are trapezoidal, and the side length of the trapezoid close to the fastening screw (2) is smaller than the side length far away from the fastening screw (2).

8. A structurally stable wire terminal block according to claim 6, wherein: the terminal comprises a terminal body (1), and is characterized in that a limiting block (14) is rotatably connected to the side wall of the terminal body (1) through a rotating shaft (13), and the limiting block (14) can rotate to abut against one side, opened towards an installation groove (12), of an installation block (31).

9. A structurally stable wire terminal block according to claim 8, wherein: an elastic clamping block (141) is fixed on the side wall, close to the mounting block (31), of the limiting block (14), and a clamping groove (311) in clamping fit with the clamping block (141) is formed in the side face, close to the limiting block (14), of the mounting block (31).

10. A structurally stable wire terminal block according to claim 1, wherein: one end of the fastening screw (2) close to the elastic sheet (32) is integrally formed with a spike part (21).