CN211530372U - Self-adaptive labor-saving wire crimping pliers - Google Patents

Abstract

The utility model relates to a laborsaving type wire crimper of self-adaptation, including long handle, movable handle, set up the binding clip that one was served with movable handle at long handle, the one end of long handle have the branching and be formed with linking arm, elastic support arm respectively, the linking arm rotate to set up on the binding clip and constitute the linkage cooperation of long handle and binding clip, movable handle's one end have the branching and be formed with respectively and move linking arm, elastic drive arm, movable linking arm rotate to set up on the binding clip and constitute the linkage cooperation of movable handle and binding clip, elastic drive arm rotate to set up on elastic support arm and constitute the rotation connection cooperation of movable handle and long handle, elastic support arm on have spacing portion, spacing portion and movable handle between be provided with the extension spring. The pin shaft is provided with a shaft sleeve matched with the pressing teeth. The utility model has the advantages of simple structure, stable and reliable performance and convenient operation.

Description

Self-adaptive labor-saving wire crimping pliers

Technical Field

The utility model relates to a crimping pliers, concretely relates to laborsaving type crimping pliers of self-adaptation.

Background

The crimping pliers are tools for crimping the terminal and the electric wire, and different crimping pliers are selected according to different terminals for crimping. The existing crimping pliers for crimping tubular terminals generally do not have a self-adaptive function, can be crimped only after the size of the terminal is adjusted, and have the disadvantages of complex operation, narrow application range and no universality. The manual crimping pliers comprise a pliers head used for crimping a terminal by the pliers head, a long handle, a movable handle and a transmission mechanism arranged between the long handle and the movable handle, the transmission mechanism of the pliers head of the conventional crimping pliers is unreasonable in structural design, the structure of the transmission mechanism is complex, the size of the whole crimping pliers is large, an operator is labor-consuming when the crimping pliers are used, and the labor intensity of the operator is increased. And the crimping pliers also have the defects of complex structure, unreliable performance and convenient operation.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, the laborsaving type crimping pliers of self-adaptation of simple operation.

In order to realize the above-mentioned purpose, the utility model discloses a laborsaving type wire crimper of self-adaptation, including long handle, movable handle, set up at long handle and movable handle's one serving binding clip, the one end of long handle have the branching and be formed with linking arm, elastic support arm respectively, the linking arm rotate to set up on the binding clip and constitute the linkage cooperation of long handle and binding clip, movable handle's one end have the branching and be formed with respectively and move linking arm, elastic drive arm, movable linking arm rotate to set up on the binding clip and constitute the linkage cooperation of movable handle and binding clip, elastic drive arm rotate to set up on elastic support arm and constitute the rotation connection cooperation of movable handle and long handle, elastic support arm on have spacing portion, spacing portion and movable handle between be provided with the extension spring.

The beneficial effect of above-mentioned structure is: the movable handle and the long handle drive the binding clip to be pressed when in use, so that the pressing action stroke of the movable handle and the long handle is favorably reduced, the volume of the crimping pliers is smaller, and the use of the crimping pliers is more convenient for users; and when the clamp head is used for crimping the terminals with different diameters, the clamp head is contacted with the terminals. Can feed back elastic support arm, elasticity actuating arm with the crimping power on, elastic support arm, elasticity actuating arm can play the cushioning effect, under the circumstances of guaranteeing the crimping power, elastic support arm, elasticity actuating arm take place deformation and then make the crimping action of actuating handle, long handle can accomplish to reach self-adaptation's purpose, the crimping is more laborsaving, can effectively alleviate user's intensity of labour. The elastic support arm and the long handle, the elastic driving arm and the movable handle are integrated, the movable handle and the long handle are connected through a double-elastic-arm structure, compression joint is easier, and the service life is longer. Therefore, the crimping pliers have the advantages of simple structure, stable and reliable performance and convenience in operation.

Particularly, the fork of the movable handle is provided with a limiting shaft, the limiting part is provided with a positioning shaft, and two ends of the tension spring are respectively connected to the limiting shaft and the positioning shaft. The tension spring is connected to the limiting shaft of the movable handle and the positioning shaft of the long handle respectively, so that the tension spring, the movable handle and the long handle are convenient to assemble, the tension spring, the movable handle and the long handle are more compactly connected, and the working reliability of the crimping pliers is improved.

Particularly, the binding clip including rotate the ring gear that sets up on moving the linking arm, two set up respectively on the both sides of ring gear and rotate the ring gear apron that sets up on the linking arm, a plurality of pressure tooth that are the annular array and distribute, ring gear and two ring gear apron between be formed with the holding chamber, a plurality of pressure teeth rotate respectively and set up in the holding chamber, each press tooth and ring gear linkage cooperation, each press the tooth along with the ring gear action and can realize each and press mutual interlock between the tooth. The gear ring and the gear ring cover plate of the binding clip are respectively connected with the movable connecting arm and the connecting arm, when in compression joint, the movable handle and the long handle respectively drive the gear ring and the gear ring cover plate to move, the gear ring and the gear ring cover plate oppositely rotate, and the gear ring drives each compression tooth to move, so that the compression joint of the crimping pliers to a terminal can be realized. The movable handle and the long handle respectively drive the gear ring and the gear ring cover plate to move relatively, so that the rotating radian of a single part can be effectively reduced, the compression joint action stroke of the movable handle and the long handle is favorably reduced, and the compression joint of the crimping pliers is easier and more labor-saving.

In particular, each of the teeth has a stopper portion at one end thereof, a tooth groove is formed in the ring gear at a position corresponding to the stopper portion of each tooth, the stopper portion engages in the tooth groove and forms a cooperating engagement between each tooth and the ring gear, the other end of each tooth has a pressure contact portion, a pressure line space is formed between the pressure contact portions of the teeth, and each tooth is rotatably provided on the rotating shaft between the two tooth cover plates. Each presses the tooth rotation to set up in the pivot, and the pivot setting has increased the length of the power arm of each pressure tooth in the one end that is closer to the portion of pressing of each pressure tooth, and when the crimping, more laborsaving, and move the handle and press the tooth linkage cooperation setting to each presses the mutual interlock of tooth follow-up handle action and each pressure tooth, thereby realizes the crimping of this crimping pliers.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an internal structure diagram of the embodiment of the present invention.

Fig. 3 is an assembly view of the movable handle and the long handle according to the embodiment of the present invention.

Fig. 4 is a perspective view of the long handle according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1-4, the embodiment of the present invention is a self-adaptive labor-saving wire crimper, which comprises a long handle 10, a movable handle 11, a binding clip 20 disposed on one end of the long handle 10 and the movable handle 11, one end of the long handle 10 is provided with a fork and is respectively provided with a connecting arm 101 and an elastic supporting arm 102, the connecting arm 101 is rotatably arranged on the forceps head 20 and forms linkage fit of the long handle 10 and the forceps head 20, one end of the movable handle 11 is provided with a branch and is respectively provided with a movable connecting arm 111 and an elastic driving arm 112, the movable connecting arm 111 is rotatably arranged on the forceps head 20 and forms linkage fit of the movable handle 11 and the forceps head 20, the elastic driving arm 112 is rotatably arranged on the elastic supporting arm 102 and forms the rotating connection and matching of the movable handle 11 and the long handle 10, the elastic supporting arm 102 is provided with a limiting part 103, and a tension spring 12 is arranged between the limiting part 103 and the movable handle 11. The long handle 10 and the movable handle 11 are both wrapped with handle sleeves 13, the long handle 10 is formed by riveting 100 long handle plates, and the movable handle 11 is formed by riveting 110 movable handle plates. The fork of the movable handle 11 is provided with a limit shaft 14, the limit part 103 is provided with a positioning shaft 15, and two ends of the tension spring 12 are respectively connected to the limit shaft 14 and the positioning shaft 15. The tension spring is connected to the limiting shaft of the movable handle and the positioning shaft of the long handle respectively, so that the tension spring, the movable handle and the long handle are convenient to assemble, the tension spring, the movable handle and the long handle are more compactly connected, and the working reliability of the crimping pliers is improved.

As shown in fig. 1 and 2, the binding clip 20 includes a gear ring 21 rotatably disposed on the movable connecting arm 111, two gear ring cover plates 22 respectively disposed on two sides of the gear ring 21 and rotatably disposed on the connecting arm 101, and a plurality of pressing teeth 23 distributed in an annular array, a receiving cavity 200 is formed between the gear ring 21 and the two gear ring cover plates 22, the plurality of pressing teeth 23 are respectively rotatably disposed in the receiving cavity 200, the pressing teeth 23 are in linkage engagement with the gear ring 21, and the pressing teeth 23 move along with the gear ring 21 and can realize mutual engagement between the pressing teeth 23. The gear ring and the gear ring cover plate of the binding clip are respectively connected with the movable connecting arm and the connecting arm, when in compression joint, the movable handle and the long handle respectively drive the gear ring and the gear ring cover plate to move, the gear ring and the gear ring cover plate oppositely rotate, and the gear ring drives each compression tooth to move, so that the compression joint of the crimping pliers to a terminal can be realized. The movable handle and the long handle respectively drive the gear ring and the gear ring cover plate to move relatively, so that the rotating radian of a single part can be effectively reduced, the compression joint action stroke of the movable handle and the long handle is favorably reduced, and the compression joint of the crimping pliers is easier and more labor-saving. One end of each of the pressing teeth 23 is provided with a stopper 231, the ring gear 21 is provided with a tooth groove 211 corresponding to the stopper 231 of each of the pressing teeth 23, the stopper 231 is engaged with the tooth groove 211 to form a cooperating engagement between each of the pressing teeth 23 and the ring gear 21, the other end of each of the pressing teeth 23 is provided with a pressing portion 232, a pressure-line space 230 is formed between the pressure-bonding portions 232 of each of the pressing teeth 23, and each of the pressing teeth 23 is rotatably provided on the rotating shaft 24 between the two pressing tooth cover plates 22. Each presses the tooth rotation to set up in the pivot, and the pivot setting has increased the length of the power arm of each pressure tooth in the one end that is closer to the portion of pressing of each pressure tooth, and when the crimping, more laborsaving, and move the handle and press the tooth linkage cooperation setting to each presses the mutual interlock of tooth follow-up handle action and each pressure tooth, thereby realizes the crimping of this crimping pliers.

The movable handle and the long handle drive the binding clip to be pressed when in use, so that the pressing action stroke of the movable handle and the long handle is favorably reduced, the volume of the crimping pliers is smaller, and the use of the crimping pliers is more convenient for users; and when the clamp head is used for crimping the terminals with different diameters, the clamp head is contacted with the terminals. Can feed back elastic support arm, elasticity actuating arm with the crimping power on, elastic support arm, elasticity actuating arm can play the cushioning effect, under the circumstances of guaranteeing the crimping power, elastic support arm, elasticity actuating arm take place deformation and then make the crimping action of actuating handle, long handle can accomplish to reach self-adaptation's purpose, the crimping is more laborsaving, can effectively alleviate user's intensity of labour. The elastic support arm and the long handle, the elastic driving arm and the movable handle are integrated, the movable handle and the long handle are connected through a double-elastic-arm structure, compression joint is easier, and the service life is longer. Therefore, the crimping pliers have the advantages of simple structure, stable and reliable performance and convenience in operation.

Claims (4)

1. The utility model provides a laborsaving type wire crimper of self-adaptation, includes long handle, moves the handle, sets up the binding clip in one of long handle and moving the handle, its characterized in that: the one end of long handle have the branching and be formed with linking arm, elastic support arm respectively, the linking arm rotate to set up on the binding clip and constitute the linkage cooperation of long handle and binding clip, the one end of moving the handle have the branching and be formed with respectively and move linking arm, elasticity actuating arm, move the linking arm and rotate the setting on the binding clip and constitute the linkage cooperation of moving handle and binding clip, elasticity actuating arm rotate and set up on elastic support arm and constitute the rotation connection cooperation of moving handle and long handle, elastic support arm on have spacing portion, spacing portion and move and be provided with the extension spring between the handle.

2. The adaptive labor-saving crimping pliers as claimed in claim 1, wherein: the fork department of movable handle be provided with spacing axle, spacing portion on be provided with the location axle, the both ends of extension spring connect respectively on spacing axle, location axle.

3. The adaptive labor-saving crimping pliers according to claim 1 or 2, wherein: the binding clip including rotate set up ring gear on moving the linking arm, two set up respectively on the both sides of ring gear and rotate ring gear apron, a plurality of pressure tooth that are the ring array and distribute that set up on the linking arm, ring gear and two ring gear apron between be formed with the holding chamber, a plurality of pressure teeth rotate respectively and set up in the holding intracavity, each press tooth and ring gear linkage cooperation, each press the tooth along with the ring gear action and can realize each and press mutual interlock between the tooth.

4. The adaptive labor-saving crimping pliers as claimed in claim 3, wherein: one end of each pressing tooth is provided with a limiting part, a tooth groove is respectively arranged in the gear ring corresponding to the limiting part of each pressing tooth, the limiting parts are clamped in the tooth grooves and form linkage matching of each pressing tooth and the gear ring, the other end of each pressing tooth is provided with a pressing part, a pressure line space is formed between the pressing parts of each pressing tooth, and each pressing tooth is respectively arranged on a rotating shaft between two pressing tooth cover plates in a rotating mode.

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