CN219286681U

CN219286681U - Fork-shaped structure of pre-insulated terminal

Info

Publication number: CN219286681U
Application number: CN202320346593.1U
Authority: CN
Inventors: 李昭辉; 陈祥春; 赵喜贵
Original assignee: Shandong Capital Installation Engineering Co ltd
Current assignee: Shandong Ducheng Construction Engineering Group Co.,Ltd.
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-30
Anticipated expiration: 2033-02-24

Abstract

The application relates to a pre-insulation terminal fork type structure, it includes the terminal body that the head set into the fork type, terminal body tail end is equipped with a card line section of thick bamboo, card line section of thick bamboo outer wall parcel has insulating cover, insulating cover keeps away from the one end of terminal body and can dismantle the connection has the connecting seat, the connecting seat is linked together with insulating cover, the connecting hole has been seted up respectively to the both sides of connecting seat symmetry, the connecting seat is provided with a plurality of, be equipped with a plurality of connecting rods on the connecting seat, the both ends of connecting rod are connected with the connecting hole on two connecting seats respectively, the connecting seat adopts insulating rubber material to make. The present application has the effect of facilitating synchronous connection of a plurality of pre-insulated terminals.

Description

Fork-shaped structure of pre-insulated terminal

Technical Field

The present application relates to the field of pre-insulated terminal technology, and in particular, to a fork-type structure of a pre-insulated terminal.

Background

Insulated terminals, also known as cold-pressed terminals, electronic connectors, and air connectors are all attributed to cold-pressed terminals. Is an accessory product for realizing electrical connection, and is divided into the category of connectors in industry. As the degree of industrial automation becomes higher and the industrial control requirements become more stringent and precise, the amount of the terminal blocks used is gradually increased. With the development of the electronic industry, the use range of the wiring terminal is more and more, and the variety is also more and more. One of the belonging types of pre-insulated terminal fork-shaped structures is convenient to connect and meets the practical requirements, and chain bridging can be easily realized.

When in connection installation, corresponding proper cold-pressed terminals are used according to the section of the lead wires, and the corresponding specifications are required to be identical. And then stripping the insulating layer of the wire, and completely wrapping all the metal wires of the wire in the cold-pressed binding post, wherein no scattered copper wires are required. And simultaneously, the crimping pliers are used for crimping, so that the crimping positions are consistent and correct.

For the related art, the conventional fork-shaped structure of the pre-insulated terminal can only perform one-to-one connection, and if a plurality of pre-insulated terminals are to be connected synchronously, additional wiring is required, so that the pre-insulated terminal is less convenient to use.

Disclosure of Invention

In order to facilitate the synchronous connection of a plurality of pre-insulated terminals, the present application provides a pre-insulated terminal fork structure.

The application provides a pre-insulated terminal fork type structure, adopts following technical scheme:

the utility model provides a terminal fork type structure of pre-insulating terminal, sets into the terminal body of fork type including the head, and terminal body tail end is equipped with a card line section of thick bamboo, and a card line section of thick bamboo outer wall parcel has insulating cover, insulating cover keeps away from the one end of terminal body and can dismantle the connection has the connecting seat, the connecting seat is linked together with insulating cover, the connecting hole has been seted up respectively to the both sides of connecting seat symmetry, the connecting seat is provided with a plurality ofly, be equipped with a plurality of connecting rods on the connecting seat, the both ends of connecting rod are connected with the connecting hole on two connecting seats respectively, the connecting seat adopts insulating rubber material to make.

Through adopting above-mentioned technical scheme, operating personnel passes insulating cover with the naked wire line end of wire in proper order from the connecting seat and is connected with the card line section of thick bamboo inner wall of terminal body, then uses the line ball pincers crimping wire and insulating cover for wire and pre-insulation terminal zonulae occludens. When carrying out the synchronous connection of a plurality of pre-insulated terminals, operating personnel are connected the both ends of connecting rod respectively with the connecting hole that is relative on two connecting seats to be connected a plurality of connecting seats, a plurality of metal wires on the wire insert different connecting seats in proper order afterwards, use the wire clamp in proper order to carry out the crimping, realized the synchronous connection of a plurality of pre-insulated terminals, improved the convenience that the device was used. The insulating characteristic of connecting seat can be convenient for operating personnel's centre gripping and installation when using, does not influence the circuit connection between terminal body and the wire simultaneously, and the practicality is higher.

Optionally, spherical joint ball is fixed with respectively at the both ends of connecting rod, joint ball and connecting hole inner wall looks joint, the connecting hole inner wall is elastic material.

Through adopting above-mentioned technical scheme, spherical joint ball gradually extrudees elastic connecting hole downthehole wall until the joint advance in the connecting hole, is connected connecting rod and connecting seat to realize the connection setting of a plurality of connecting seats. When the spherical clamping ball is clamped into the connecting hole, an operator presses the clamping ball by force to pressurize the inner wall of the connecting hole, so that the size of the opening of the connecting hole is changed until the clamping ball slides in; the clamping ball is stably positioned in the connecting hole under the condition that the operator does not exert force; when the connecting rod is separated, an operator pulls the connecting rod with force to extrude the inner wall of the connecting hole again, so that the connecting rod is separated from the connecting seat, and the connecting rod is simple and convenient.

Optionally, the insulating sleeve is made of PVC.

Through adopting above-mentioned technical scheme, through PVC's material for insulating sheath material is lighter, and the overall structure weight of pre-insulated terminal is less, thereby the installation and the carrying of operating personnel of being convenient for. Meanwhile, the insulating sleeve is nonflammable, and has higher safety.

Optionally, a plurality of inserting pieces are fixed on the upper end of the connecting seat at equal intervals in the circumferential direction, the inserting pieces are inserted with the outer surface of the insulating sleeve, and the inserting pieces are made of elastic insulating alloy materials.

Through adopting above-mentioned technical scheme, when being connected connecting seat and insulating cover, operating personnel breaks a plurality of spliced pieces off with the fingers and thumb and folds to pegging graft in the insulating cover for both zonulae occludens, and is simple convenient. Meanwhile, the material of the elastic insulating alloy not only ensures that the elastic insulating alloy has certain hardness, but also can not influence the normal operation of a circuit.

Optionally, the inner wall of the insulating sleeve is wavy along the circumferential direction and the length direction.

Through adopting above-mentioned technical scheme, the wire passes from in the insulating sleeve and is connected with a card line section of thick bamboo, through with wavy insulating sleeve inner wall looks butt, after the crimping of wire pressing pliers again, is equivalent to the inside partial protruding position of insulating sleeve and produces the joint effect, reduces the circumstances of wire landing and skew for the connection of pre-insulated terminal and wire is more stable.

Optionally, the inner wall of the insulating sleeve is provided with a plurality of anti-skid patterns.

Through adopting above-mentioned technical scheme, increased the frictional force between insulating cover and the wire through the anti-skidding line to promote tensile ability, make the connection of pre-insulated terminal and wire more stable, effectively ensure the safety of circuit, prevent unexpected emergence.

Optionally, the connecting seat afterbody has been seted up and has been used for the intercommunication groove that the wire passed through, the fixed orifices has all been seted up to intercommunication groove both sides lateral wall, be equipped with the bolt on the connecting seat, bolt and two fixed orifices inner wall threaded connection.

Through adopting above-mentioned technical scheme, in the connection process, the wire passes from the intercommunication inslot until linking to each other with a calorie line section of thick bamboo, and then operating personnel is with in two fixed orificess until the inner wall butt of intercommunication groove both sides lateral wall respectively, realizes the joint of connecting seat on the wire to make the fixed more stable of connecting seat, ensure the connection of circuit.

Optionally, the connecting rod includes fixed part, telescopic part and inserted bar, the telescopic part slides in the fixed part, connecting hole one is worn to be equipped with on the telescopic part surface, a plurality of connecting holes second with connecting hole one looks adaptation have been seted up along fixed part length direction's lateral wall both ends on fixed part surface, connecting hole one is connected through the inserted bar with connecting hole two.

Through adopting above-mentioned technical scheme, according to the different positions of naked wire, operating personnel removes the telescopic part and slides in the fixed part and change the two corresponding positions of connecting hole one with different connecting holes, later insert the inserted bar and fix in connecting hole two and the connecting hole one to change the length of connecting bar, it is more convenient, the practicality is higher.

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

1. the plurality of pre-insulated terminals are connected in advance by the arrangement of the plurality of connecting seats and can be connected with the plurality of metal wires, so that the synchronous connection of the plurality of pre-insulated terminals is realized, and the use convenience of the device is improved;

2. through the arrangement of the anti-skid patterns, the friction force between the insulating sleeve and the metal wire is increased, so that the tensile capacity is improved, the pre-insulated terminal is more stably connected with the wire, the safety of a circuit is effectively ensured, and accidents are prevented;

3. through the setting of fixed part and telescopic part, thereby operating personnel removes the length of telescopic part in the fixed part internal sliding change connecting rod, makes the wire of different positions of its adaptation, and is more convenient, the practicality is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of a pre-insulated terminal fork structure.

Fig. 2 is a schematic view of the structure of the connection of the protruding insulating sleeve and the connection base.

Fig. 3 is an exploded view of a pre-insulated terminal fork structure.

Reference numerals illustrate: 1. a terminal body; 11. a wire clamping cylinder; 12. an insulating sleeve; 121. anti-skid lines; 2. a connecting seat; 21. a connection hole; 22. a plug-in piece; 23. a communication groove; 24. a fixing hole; 25. a bolt; 3. a connecting rod; 31. a clamping ball; 32. a fixing part; 321. a second connecting hole; 33. a telescopic part; 331. a first connecting hole; 34. and a plunger.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a pre-insulated terminal fork structure.

Referring to fig. 1 and 2, a pre-insulated terminal fork structure comprises a terminal body 1 with a fork-shaped head, wherein a wire clamping cylinder 11 is arranged at the tail end of the terminal body 1, and an insulating sleeve 12 is wrapped on the outer wall of the wire clamping cylinder 11. The exposed wire that is equipped with of wire passes insulating cover 12 and is connected with card line section of thick bamboo 11, and the back is crimped to the line ball pincers, and the fork-shaped head of terminal body 1 is pegged graft mutually with the circuit board, has saved trouble and the risk of winding the wire, safer, convenient.

Referring to fig. 2 and 3, the insulating sleeve 12 is made of PVC, and the insulating sleeve 12 made of PVC has the characteristics of good insulation, difficult corrosion by acid and alkali, strong heat resistance, stable performance, and reliable insulation protection. The inner wall of the insulating sleeve 12 is wavy along the circumferential direction and the length direction, and a plurality of anti-skid patterns 121 are arranged on the inner wall of the insulating sleeve 12. The wavy insulating sleeve 12 is abutted against the surface of the metal wire after being extruded by the wire pressing pliers, and the position which belongs to the bulge is clamped with the metal wire in a staggered manner, so that the risk of shifting and sliding of the metal wire in position is prevented, and the safety is improved. The anti-slip pattern 121 increases the friction between the wire and the insulating sleeve 12, thereby making the wire connection more stable.

Referring to fig. 1 and 2, one end of the insulating sleeve 12 far away from the terminal body 1 is detachably connected with a connecting seat 2, the connecting seat 2 is communicated with the insulating sleeve 12, a plurality of inserting pieces 22 are fixed at equal intervals in the circumferential direction of the upper end of the connecting seat 2, the inserting pieces 22 are inserted with the outer surface of the insulating sleeve 12, and the inserting pieces 22 are made of elastic insulating alloy materials. The connecting seat 2 is provided with a plurality of, and connecting hole 21 has been seted up respectively to connecting seat 2 symmetrical both sides, is equipped with a plurality of connecting rods 3 on the connecting seat 2, and connecting rod 3's both ends are connected with connecting hole 21 on two connecting seats 2 respectively, and connecting seat 2 adopts insulating rubber material to make. The connecting rod 3 both ends all insert connecting hole 21 and are connected a plurality of connecting seats 2, realize that a plurality of pre-insulation terminal fork structures are the linear arrangement for a plurality of wires can be synchronous respectively with a plurality of pre-insulation terminal be connected, have improved the convenience that the device used. The insulating characteristic of connecting seat 2 can be convenient for operating personnel's centre gripping and installation when using, does not influence the circuit connection between terminal body 1 and the wire simultaneously, and the practicality is higher.

Referring to fig. 1 and 3, spherical clamping balls 31 are respectively fixed at two ends of the connecting rod 3, the clamping balls 31 are clamped with the inner wall of the connecting hole 21, and the inner wall of the connecting hole 21 is made of elastic materials. The joint ball 31 makes in with joint ball 31 joint connecting hole 21 behind the operating personnel extrusion connecting hole 21 inner wall of exerting oneself, and operating personnel pulls joint ball 31 to keep away from connecting hole 21 inner wall of exerting oneself when the separation, and is simple convenient and stability is higher.

Referring to fig. 1 and 3, the connecting rod 3 includes a fixing portion 32, a telescopic portion 33 and a plug rod 34, the telescopic portion 33 slides in the fixing portion 32, a first connecting hole 21 is formed in the surface of the telescopic portion 33 in a penetrating manner, a plurality of second connecting holes 21 matched with the first connecting hole 21 are formed in the surface of the fixing portion 32 along two ends of the side wall in the length direction of the fixing portion 32, and the first connecting hole 21 is connected with the second connecting hole 21 through the plug rod 34. The telescopic part 33 slides in the fixed part 32 to change the length of the rod section of the connecting rod 3, thereby changing the distance between the two connecting seats 2 and the pre-insulated terminals and realizing the connection with the metal wires at different positions. The inserted link 34 sequentially passes through the connecting hole 21 two and the connecting hole 21 one which are communicated, and fixes the positions of the fixing part 32 and the telescopic part 33, thereby ensuring the connection stability of the connecting rod 3.

Referring to fig. 2 and 3, a communicating groove 23 for the passage of a wire is formed at the tail of the connecting seat 2, fixing holes 24 are formed on the side walls of two sides of the communicating groove 23, bolts 25 are arranged on the connecting seat 2, and the bolts 25 are in threaded connection with the inner walls of the two fixing holes 24. The communication groove 23 facilitates the passage of the wire. Bolts 25 are respectively screwed into the two positioning holes until the outer walls of the two positioning holes are abutted, so that the connecting seat 2 is tightly connected outside the lead in a ring manner, and the fixing of the connecting seat 2 is more stable.

The implementation principle of the pre-insulated terminal fork-shaped structure in the embodiment of the application is as follows: after the operator connects the connection base 2 with the insulating sleeve 12, all the insertion pieces 22 are bent to be inserted into the surface of the insulating sleeve 12. Depending on the number of wires, the operator selects a corresponding number of connection seats 2. According to the distance between the wires, the operator controls the telescopic part 33 to slide in the fixing part 32, then inserts the inserting rod 34 into the first connecting hole 21 and the second connecting hole 21 from the second connecting hole 21 in sequence, and finally clamps the clamping balls 31 at the two ends of the connecting rod 3 with the opposite connecting holes 21 on the two connecting seats 2 respectively. Finally, the metal wire passes through the connecting seat 2 and the insulating sleeve 12 to be connected with the wire clamping cylinder 11, and then is tightly pressed by using a wire pressing clamp to tightly connect the metal wire with the wire clamping cylinder 11. After the wire passes through the communication groove 23, an operator screws the bolts 25 into the two fixing holes 24 in sequence, and stably fixes the connecting seat 2 on the wire.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a pre-insulation terminal fork structure, sets up into terminal body (1) of fork type including the head, and terminal body (1) tail end is equipped with card line section of thick bamboo (11), and card line section of thick bamboo (11) outer wall parcel has insulating cover (12), its characterized in that: the one end that terminal body (1) was kept away from to insulating cover (12) can be dismantled and link to have connecting seat (2), connecting seat (2) are linked together with insulating cover (12), connecting hole (21) have been seted up respectively to the both sides of connecting seat (2) symmetry, connecting seat (2) are provided with a plurality of, be equipped with a plurality of connecting rods (3) on connecting seat (2), the both ends of connecting rod (3) are connected with connecting hole (21) on two connecting seats (2) respectively, connecting seat (2) adopt insulating rubber material to make.

2. A pre-insulated terminal fork structure according to claim 1, wherein: spherical clamping balls (31) are respectively fixed at two ends of the connecting rod (3), the clamping balls (31) are clamped with the inner wall of the connecting hole (21), and the inner wall of the connecting hole (21) is made of elastic materials.

3. A pre-insulated terminal fork structure according to claim 1, wherein: the insulating sleeve (12) is made of PVC.

4. A pre-insulated terminal fork structure according to claim 3, wherein: a plurality of inserting pieces (22) are circumferentially and equidistantly fixed at the upper end of the connecting seat (2), the inserting pieces (22) are inserted with the outer surface of the insulating sleeve (12), and the inserting pieces (22) are made of elastic insulating alloy materials.

5. A pre-insulated terminal fork structure according to claim 1, wherein: the inner wall of the insulating sleeve (12) is wavy along the circumferential direction and the length direction.

6. A pre-insulated terminal fork structure according to claim 1, wherein: the inner wall of the insulating sleeve (12) is provided with a plurality of anti-skid patterns (121).

7. A pre-insulated terminal fork structure according to claim 1, wherein: the connecting seat (2) afterbody has been seted up and has been used for the intercommunication groove (23) that the wire passed through, fixed orifices (24) have all been seted up to intercommunication groove (23) both sides lateral wall, be equipped with bolt (25) on connecting seat (2), bolt (25) and two fixed orifices (24) inner wall threaded connection.

8. A pre-insulated terminal fork structure according to claim 1, wherein: connecting rod (3) are including fixed part (32), telescopic part (33) and inserted bar (34), telescopic part (33) slide in fixed part (32), connecting hole (21) one is worn to be equipped with on telescopic part (33) surface, connecting hole (21) two of a plurality of looks adaptation with connecting hole (21) are seted up along fixed part (32) length direction's lateral wall both ends on fixed part (32) surface, connecting hole (21) one is connected through inserted bar (34) with connecting hole (21).