CN213212667U

CN213212667U - Block terminal with firm wiring hole

Info

Publication number: CN213212667U
Application number: CN202021655413.0U
Authority: CN
Inventors: 陈俊
Original assignee: Haikou Jiayuantai Electrical Equipment Co ltd
Current assignee: Haikou Jiayuantai Electrical Equipment Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-14
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a block terminal with firm wiring hole, include: the distribution box comprises a distribution box body, wherein a plurality of wiring ports are arranged at the bottom end of the distribution box body at intervals, and a fixing unit is connected to each wiring port; the fixing unit comprises a fixing sleeve connected to the top end of the wiring port and a clamping piece arranged in the fixing sleeve and detachably connected with the fixing sleeve, an electric wire penetrating hole coaxial with the wiring port is axially arranged in the fixing sleeve in a penetrating mode, and the diameter of the electric wire penetrating hole is gradually reduced from bottom to top; the clamping piece comprises a clamping end arranged at the top end of the clamping piece and a connecting end arranged at the bottom end of the clamping end, the clamping end is formed by circumferentially arranging a plurality of clamping strips at intervals, and an electric wire penetrating hole coaxial with the electric wire penetrating hole is axially arranged at the bottom of the connecting end in a penetrating mode. The utility model discloses make the electric wire can stabilize fix on the wiring hole, difficult not hard up can avoid circuit contact failure or the condition such as electric wire disconnection to appear.

Description

Block terminal with firm wiring hole

Technical Field

The utility model relates to a block terminal technical field, concretely relates to block terminal with firm wiring hole.

Background

The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. The circuit can be switched on or off by a manual or automatic switch in normal operation, and can be switched off or give an alarm by a protective electrical appliance in fault or abnormal operation, various parameters in operation can be displayed by a measuring instrument, some electrical parameters can be adjusted, and the deviation from the normal working state can be prompted or signaled, and the circuit is commonly used in various distribution, distribution and transformation substations.

In the current distribution box, in order to prevent that the electric wire goes out trouble easy maintenance in the future, bottom at the block terminal is provided with a plurality of wiring holes, every wiring hole corresponds an electric wire, easy maintenance later on not only, and also do not influence work each other under the condition that high pressure is burnt out appears in other electric wires, however, because the electric wire is to pass the wiring hole, consequently, there is certain gap between wiring hole and the electric wire, thereby lead to the unstability of electric wire and wiring jogged joint, when exposing the electric wire part in the block terminal bottom is dragged to the time, make the circuit receive the influence easily, can cause contact failure when light, can lead to the electric wire to break from electronic component when serious.

Disclosure of Invention

The utility model aims at providing a block terminal with firm wiring hole to prior art's is not enough for what the electric wire can be firm fixes on the wiring hole, is difficult not hard up.

In order to accomplish the above object, the utility model adopts the following technical scheme:

the utility model provides a block terminal with firm wiring hole, includes: the distribution box comprises a distribution box body, wherein a plurality of wiring ports are transversely arranged at the bottom end of the distribution box body, and a fixing unit is connected to the wiring ports;

the fixing unit comprises a fixing sleeve connected to the top end of the wiring port and a clamping piece arranged in the fixing sleeve and detachably connected with the fixing sleeve, an electric wire penetrating hole coaxial with the wiring port is axially arranged in the fixing sleeve in a penetrating mode, and the diameter of the electric wire penetrating hole is gradually reduced from bottom to top;

the clamping piece comprises a clamping end arranged at the top end of the clamping piece and a connecting end arranged at the bottom end of the clamping end, the clamping end is formed by circumferentially arranging a plurality of clamping strips at intervals, and an electric wire penetrating hole coaxial with the electric wire penetrating hole is axially arranged at the bottom of the connecting end in a penetrating mode.

Preferably, the inside of the top of the clamping strip is provided with three toothed lugs from top to bottom.

Preferably, the inner wall of the wiring port is provided with an internal thread, the connecting end of the clamping piece is provided with an external thread matched with the internal thread, and the clamping piece is detachably connected with the fixed sleeve through the internal thread.

Preferably, the connection end is hollow.

Preferably, the bottom of the connecting end is a limiting block with an area larger than that of the connecting end.

Preferably, the limiting block comprises a fixed block and a sliding block, the fixed block and the sliding block are located on the same horizontal plane, and the sliding block is connected with the fixed block in a sliding mode through a sliding mechanism.

Preferably, the fixed block is close to set up half on the side of sliding block the electric wire through hole, the sliding block is close to correspond on the side of fixed block and sets up half the electric wire through hole.

Preferably, the fixed block and the sliding block are respectively connected with magnets with opposite magnetism on the side surfaces close to each other.

Preferably, the electric wire is penetrated into the hole and is pasted with a rubber pad.

Preferably, the end of the sliding block is provided with a hand push block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses utilize the effect of fixed cover and clamping piece, through wearing the electric wire in the space that tight strip encloses, then will press from both sides tight strip and insert the electric wire of fixed cover again and wear out downtheholely, because the electric wire is worn out the hole and is the convergent form from bottom to top, press from both sides tight strip more up and will slowly gather together, press from both sides tight strip at last and press from both sides the electric wire in the tight strip and will be restricted in certain space, press from both sides tight strip from this and can fix the electric wire interlock, then become integrative with clamping piece and fixed cover fixed connection again, thereby the electric wire in clamping piece and the fixed cover will be worn and fix, make it be difficult for not hard up, also be easily pulled when receiving the effect of external force, effectively avoid the emergence of phenomenons such as contact failure or disconnection of circuit.

Drawings

Fig. 1 is a schematic structural view of a front view of a distribution box with a stable wiring hole provided by the present invention;

fig. 2 is a schematic structural view of the fixing sleeve and the wiring hole of the distribution box with the stable wiring hole provided by the present invention;

FIG. 3 is a schematic structural view of a clamping member with a stable wiring hole distribution box according to the present invention;

fig. 4 is a schematic structural view of an inner side wall of a clamping strip of the distribution box with a stable wiring hole provided by the present invention;

fig. 5 is a schematic structural view of a limiting block with a stable wiring hole distribution box provided by the present invention;

FIG. 6 is a partial cross-sectional view taken along line A-A of FIG. 5;

wherein the reference numerals are:

1. a distribution box body; 2. fixing a sleeve; 21. the electric wire penetrates through the hole; 3. a wiring port; 4. a clamping member; 41. A clamping bar; 42. a toothed projection; 43. a connecting end; 44. a limiting block; 441. a slider; 442. a fixed block; 45. the electric wire penetrates into the hole; 46. an adsorption tank; 47. a connection bump; 48. a hand push block; 49. a connecting plate; 5. a pulley.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

For easy understanding, please refer to fig. 1 and fig. 2, the present embodiment provides a distribution box with a stable wiring hole, including: the distribution box comprises a distribution box body 1, wherein a plurality of wiring ports 3 are transversely arranged at intervals at the bottom end of the distribution box body 1, electric wires penetrate into the distribution box body 1 from the wiring ports 3, the wiring ports 3 are circular and have a certain thickness, the wiring ports 3 are all located on the same straight line, and fixing units are connected to the wiring ports 3; the fixing unit can fix the electric wire, the fixing unit comprises a fixing sleeve 2 connected to the top end of the wiring port 3 and a clamping piece 4 arranged in the fixing sleeve 2 and detachably connected with the fixing sleeve 2, an electric wire passing hole 21 coaxial with the wiring port 3 is axially arranged through the fixing sleeve 2, and the diameter of the electric wire passing hole 21 is gradually reduced from bottom to top; the fixing sleeve 2 is used for limiting the clamping piece 4 within a certain range, so that the electric wire in the clamping piece 4 can be fixed, specifically, the truncated cone-shaped fixing sleeve 2 is connected right above the wiring port 3, the electric wire passing hole 21 coaxial with the wiring port 3 is axially arranged through the fixing sleeve 2, the electric wire passing hole 21 is tapered from bottom to top, namely, the bottom of the electric wire passing hole 21 is consistent with the wiring port 3, the diameter of the electric wire passing hole is smaller as the diameter of the electric wire passing hole is larger as the diameter of the electric wire passing hole is smaller as the diameter of the electric wire passing hole, until the electric wire is, and the clamping strips 41 are circumferentially distributed around the top end of the connecting end 43, that is, the clamping end is a cylindrical body surrounded by the clamping strips 41, the central axis of the cylindrical body is superposed with the central axis of the wire through hole 45, and the maximum distance between the clamping strips 41 is slightly smaller than the maximum diameter of the wire connecting port 3, so that the clamping strips 41 can be conveniently inserted into the fixing sleeve from the wire connecting port 3.

In the embodiment, the electric wire is inserted into the space surrounded by the clamping strips 41, then the clamping strips 41 are inserted into the electric wire outlet hole 21 of the fixing sleeve 2, the electric wire outlet hole 21 is tapered from bottom to top, the clamping strips 41 gradually gather together from top to top, and finally the clamping strips 41 and the electric wire in the clamping strips 41 are limited in a certain space, so that the electric wire can be occluded and fixed by the clamping strips 41, and then the clamping piece 4 and the fixing sleeve 2 are fixedly connected into a whole, so that the electric wire penetrated into the clamping piece 4 and the fixing sleeve 2 is fixed, the electric wire is not easy to loosen, and is not easy to pull under the action of external force, the phenomena of poor contact or disconnection of the circuit and the like are effectively avoided, and the safety of the circuit is improved.

Example 2

The present embodiment is an improvement on embodiment 1, and other structures of the present embodiment are the same as those of embodiment 1, and only the differences from embodiment 1 are described in the present embodiment.

For easy understanding, referring to fig. 4, three tooth-shaped protrusions 42 are arranged on the inner side of the top of the clamping strip 41 from top to bottom, in order to engage the wires more tightly, a protrusion with a tip may be arranged on the tooth-shaped protrusions 42, and when the clamping strip 41 clamps the wires tightly, the tooth-shaped protrusions 42 may engage the wires more tightly, so that the wires are not easy to loosen, and the stability of the wires is improved.

In order to facilitate understanding, please refer to fig. 2 and fig. 3, in this embodiment, an inner thread is disposed on an inner wall of the wire connection port 3, an external thread matched with the inner thread is disposed on a connection end of the clamping member 4, the clamping member 4 is detachably connected with the fixing sleeve 2 through the inner thread, the clamping member 4 can be simply and rapidly locked on the wire connection port 3 through interaction of the inner thread and the outer thread, so that the clamping member 4 can be fixed in the fixing sleeve 2 and can be rapidly screwed off during detachment, so that the installation and detachment processes are convenient, further, the connection end 43 is hollow, the bottom of the connection end 43 is a limiting block 44 with an area larger than that of the connection end, the limiting block 44 can be used for limiting the screwing action of the clamping member 4 and the wire connection port 3, and preventing the bottom end of the clamping member 4 from being completely screwed into the wire connection port 3, so that the detachment and the installation, the clamping piece 4 is convenient to screw in and screw out.

For easy understanding, please refer to fig. 5 and 6, in the present embodiment, the limiting block 44 is composed of a fixed block 442 and a sliding block 441, the fixed block 442 and the sliding block 441 are located on the same horizontal plane, and the sliding block 441 is slidably connected to the fixed block 442 through a sliding mechanism, specifically, the limiting block 44 is composed of a square plate-shaped fixed block 442 and a sliding block 441 having the same size as the fixed block 442, the sliding block 441 is located on the right side of the fixed block 442, two connecting plates 49 with sliding rails extend from two side surfaces of the fixed block 442 to the right side, and the sliding block 441 slides left and right through the cooperation of the sliding rail and the pulley 5, i.e., slides left and right relative to; the fixed block 442 is located at the bottom of the connecting end 43 and covers half of the area of the bottom of the connecting end 43, and the sliding block 441 covers the other half of the area of the bottom of the connecting end 43, that is, the fixed block 442 and the sliding block 441 have the same area of the bottom of the connecting end 43; a half of the wire penetrating hole 45 is formed in the side surface of the fixed block 442 close to the sliding block 441, and the other half of the wire penetrating hole 45 is correspondingly formed in the side surface of the sliding block 441 close to the fixed block 442, specifically, a groove is formed in the right side surface of the fixed block 442, a groove which is identical to the groove of the fixed block 442 is also formed in the position, corresponding to the groove formed in the fixed block 442, of the left side surface of the sliding block 441, and the two grooves are combined together to form the wire penetrating hole, as shown in fig. 5;

the sliding of the sliding block 441 can change the size of the wire insertion hole 45 to facilitate the insertion of the wire, that is, the wire insertion hole 45 is slightly smaller than the diameter of the wire, then the sliding action of the sliding block 441 is used to change the diameter of the wire insertion hole 45, the sliding block 441 is combined with the fixed block 442 after the wire is inserted, so that the wire insertion hole 45 compresses the wire to achieve the effect of stabilizing the wire again, further, in order to make the clamping effect more effective and improve the clamping effect of the wire, magnets with opposite magnetism are respectively connected on the side surfaces of the fixed block 442 and the sliding block 441 close to each other, specifically, an adsorption groove 46 with a positive magnetic magnet is respectively arranged at the upper end and the lower end of the right side surface of the fixed block 442, and a connection protrusion 47 with a negative magnetic magnet and matched with the adsorption groove 46 is arranged at the position of the left side surface of the sliding block 441 corresponding to the adsorption groove 46, the connecting convex block 47 can be mutually adsorbed with the adsorbing groove 46, the adsorbing groove 46 enables the fixed block 442 to have a trend moving towards the position direction where the sliding block 441 is located under the action of the connecting convex block 47, and the connecting convex block 47 enables the sliding block 441 to have a trend moving towards the position direction where the fixed block 442 is located under the action of the adsorbing groove 46, so that the two have a trend moving towards the mutually approaching direction, and the wire penetrating hole 45 is slightly smaller than the electric wire, so that the electric wire penetrating hole 45 can perform certain extrusion action on the electric wire, so that the electric wire penetrating hole 45 has certain clamping effect on the electric wire, and the stability of the electric wire is further improved.

The utility model discloses in, in order to make the tight effect of clamp better, it has the rubber pad to cover at 45 inner wall subsides of electric wire break-in hole, makes it be difficult for sliding.

The utility model discloses in, for the convenience slip slider 441, be provided with the hand push piece 48 at the end of slider 441.

The utility model discloses a theory of operation does:

firstly, the cabinet door of the distribution box body 1 is opened, then the clamping piece 4 is unscrewed from the wiring port 3, then the sliding block 441 is moved outwards through the pushing block 48, the electric wire is inserted into the electric wire insertion hole 45 at the bottom of the clamping piece 4 until the electric wire passes through the clamping end enclosed by the clamping strips 41, then the electric wire is inserted from the top end of the electric wire insertion hole 21 in the fixing sleeve 2 and is connected with the electronic element in the distribution box, after the connection is finished, the clamping strips 41 are inserted into the fixing sleeve 2 and are pushed upwards, because the electric wire insertion hole 21 is gradually reduced from bottom to top, the clamping strips 41 are gradually gathered together to carry out occlusion fixation on the electric wire, then the connecting end 43 is screwed on the wiring port 3, so that the clamping piece 4 is fixed in the range limited by the fixing sleeve 2, therefore, the electric wire is clamped, the electric wire is not easy to be pulled, after the clamping piece 4 is screwed, the sliding block 441 is pushed towards the fixing, under the mutual adsorption of the adsorption groove 46 with the positive magnetic magnet and the connection lug 47 with the negative magnetic magnet, the sliding block 441 is tightly combined with the fixed block 442, so that the electric wire is compressed again, and the stability of the electric wire is further improved.

To sum up, the utility model discloses a clamp strip that can gather together is provided with at the clamping end of clamping piece and set up in fixed cover and have the electric wire of convergent shape and wear the hole, when pressing from both sides the strip and pushing away to the electric wire wear the hole, press from both sides the strip and just gather together more upward more, thereby give the interlock with the electric wire and fix, make it difficult for being pulled, improved the stability of circuit, avoid the electric wire to be pulled and cause phenomenons such as contact failure or circuit disconnection, and through the mutual adsorption of the fixed block that sets up the recess of positive pole magnetism magnet and the sliding block that has negative pole magnetism magnet connecting lug in the bottom of clamping piece link, make both combine tighter and still have the trend towards the direction motion of mutual place, consequently will make the electric wire that encloses between the two wear the hole more and more littleer, corresponding also causes certain clamping action to the electric wire in it, under dual clamping action, the electric wire can be more firm be connected with the wiring mouth, is difficult for receiving the effect of external force and is pulled, has improved the security of circuit.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The utility model provides a block terminal with firm wiring hole which characterized in that includes:

the distribution box comprises a distribution box body, wherein a plurality of wiring ports are arranged at the bottom end of the distribution box body at intervals, and a fixing unit is connected to each wiring port;

2. The distribution box with the stable wiring hole as claimed in claim 1, wherein the top inner side of the clamping strip is provided with three toothed projections from top to bottom.

3. The distribution box with stable wiring holes as claimed in claim 1, wherein the inner wall of the wiring port is provided with an internal thread, the connecting end of the clamping member is provided with an external thread matching with the internal thread, and the clamping member is detachably connected with the fixing sleeve through the internal thread.

4. The electrical box with secured wire holes of claim 1, wherein said attachment end is hollow.

5. The distribution box with the stable wiring hole as claimed in claim 1 or 4, wherein the bottom of the connecting end is a limiting block with an area larger than that of the connecting end.

6. The distribution box with the stable wiring hole as claimed in claim 5, wherein the limiting block is composed of a fixed block and a sliding block, the fixed block and the sliding block are located on the same horizontal plane, and the sliding block is connected with the fixed block in a sliding mode through a sliding mechanism.

7. The distribution box with the stable wiring hole as claimed in claim 6, wherein one half of the wire through holes are formed on the side surface of the fixed block close to the sliding block, and the other half of the wire through holes are correspondingly formed on the side surface of the sliding block close to the fixed block.

8. The distribution box with the stable wiring hole as claimed in claim 6 or 7, wherein the fixed block and the sliding block are connected with magnets with opposite magnetism on the sides close to each other.

9. The electrical box with secured wire holes of claim 7, wherein said wire feed-through holes are rubber-covered.

10. The distribution box with the stable wiring hole as claimed in claim 7, wherein the sliding block is provided with a pushing block at the end.