Crimping head replacement mechanism of electric crimping pliers

Abstract

The utility model discloses a crimping head replacement mechanism of an electric crimping clamp, which belongs to the technical field of electric power engineering and comprises a handle A and a handle B. The handle A and the handle B are rotatably connected with each other through a rotating shaft, the head of the handle A is integrally provided with an upper clamp seat, the middle of the handle A is slidably connected with a lower clamp seat through a slide rail, and the lower clamp seat is opposite to the upper clamp seat. According to the utility model, through the replacement mechanism, by screwing the fastening bolt, the limiting plate horizontally moves to be far away from the clamping block, so that the clamping block smoothly moves out of the cavity, the lower pressing joint and the upper pressing joint smoothly move out of the groove, and then the lower pressing joint and the upper pressing joint are replaced, so that the pressing joints are more convenient to replace; a worker holds the handle A and the handle B by hands, the annular tail enables the worker to control the crimping pliers more easily, when the handle A and the handle B are separated, the operation can be completed by one hand, assistance of two hands is not needed, and use is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power engineering, in particular to a crimping head replacement mechanism of electric crimping pliers. Background Art

[0002] In the process of power construction, various auxiliary tools are needed, and crimping pliers are one of the auxiliary tools. Crimping pliers are necessary tools for the power industry to crimp wires during line infrastructure construction and line maintenance. If crimping pliers are used for a long time, the crimping joints may be deformed. Therefore, a replacement mechanism is needed to replace the crimping joints.

[0003] Among them, after searching, it was found that there is an application number CN202221455337.8, which discloses a cable crimping pliers with replaceable crimping molds, including a pliers body, the top and bottom of one end of the pliers body are fixedly connected to a pliers head, and the pliers body has a fixed disk, a spring, and a rectangular groove. When the cable is crimped, the limit pin is first pulled out, and the corresponding crimping mold is inserted into the slot, and then the limit pin is inserted to fix it, and then the cable and the connector are passed through the threading groove so that the cable and the connector are located between the two crimping dies. When the cable and the connector are inserted into the threading groove, the connecting rod is pulled to open the two fixed disks. At this time, the installation groove is compressed. After the cable passes through the threading groove, the connecting rod is released, the installation groove rebounds, and the two fixed disks wrap the cable, and the cable is pressed and fixed under the elastic force of the installation groove, so that the cable is more stable during crimping and prevents the cable from sliding during crimping. The second hydraulic push rod and the first hydraulic push rod are slidably connected and spring two is provided to prevent the hydraulic push rod from pushing the pressure-increasing rod downward and damaging the crimping die, thereby improving the service life of the crimping die.

[0004] However, after research, it was found that the handles of the crimping pliers are straight, which makes it easy to pinch the handles to bring them closer together, but not easy to separate the handles. When separating the two handles, two hands are needed to assist, which is not convenient to use. In addition, the crimping head is not convenient for replacing the crimping mold. The crimping pliers are not easy to control the amount of manual force, and excessive or insufficient force is prone to occur. Utility Model Content

[0005] The purpose of the utility model is to provide a crimping head replacement mechanism for electric crimping pliers in order to solve the above-mentioned problems of inconvenient use, inconvenient replacement of crimping dies, and inconvenient control of manual force.

[0006] The technical solution adopted by the utility model is as follows: a crimping head replacement mechanism of an electric crimping pliers, comprising a handle A and a handle B, wherein the handle A and the handle B are rotatably connected to each other through a rotating shaft, an upper clamp seat is integrally provided at the head of the handle A, a lower clamp seat is slidably connected to the middle of the handle A through a slide rail, and the lower clamp seat is opposite to the upper clamp seat;

[0007] A replacement mechanism for facilitating replacement of the crimping heads is provided below the upper clamp seat and above the lower clamp seat.

[0008] The lockhole that is formed on the upper and lower surfaces of the lower jaw is formed by a toothed structure, and the toothed structure is connected with the toothed structure on the upper and lower jaw by a toothed structure.

[0009] The tails of the handle A and the handle B are both ring-shaped, a gear is fixedly installed on the head of the handle B, and a rack is fixedly installed on the side of the lower clamp seat close to the handle B, and the rack is meshed with the gear.

[0010] Among them, a pressure switch is embedded and installed inside the lower clamp seat, and a protrusion is provided in the middle below the lower pressure joint to contact the pressure switch, and an indicator light is embedded and installed above the upper clamp seat.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. In the utility model, by replacing the mechanism and screwing the fastening bolts, the limit plate is moved horizontally away from the block, so that the block is smoothly moved out of the cavity, and then the lower pressure joint and the upper pressure joint are smoothly moved out of the groove, and then the lower pressure joint and the upper pressure joint are replaced, which is more convenient for replacing the pressure joint.

[0013] 2. In the utility model, the staff holds handle A and handle B, and the ring-shaped tail makes it easier for the staff to control the crimping pliers. When handle A and handle B are separated, it can be completed with one hand without the assistance of two hands, which is more convenient to use.

[0014] 3. In the utility model, the pressure switch detects the pressure it is subjected to. When the pressure on the pressure switch reaches a critical value, the pressure switch control indicator light lights up, and the staff stops applying pressure to the cable connector. The staff's force can be controlled to avoid the staff from applying too much force or insufficient force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall side section structure of the utility model;

[0017] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0018] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure at point B.

[0019] Markings in the figure: 1. Handle A; 101. Handle B; 1011. Gear; 102. Lower clamp seat; 1021. Rack; 103. Lower pressure joint; 1031. Block; 104. Upper pressure joint; 105. Limit plate; 1051. Fastening bolt; 106. Pressure switch; 1061. Indicator light; 107. Upper clamp seat; 108. Connecting piece. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the utility model:

[0022] Reference Figure 1-4A crimping head replacement mechanism of an electric crimping pliers comprises a handle A1 and a handle B101, wherein the handle A1 and the handle B101 are rotatably connected to each other via a rotating shaft, an upper clamp seat 107 is integrally provided at the head of the handle A1, a lower clamp seat 102 is slidably connected to the middle of the handle A1 via a slide rail, and the lower clamp seat 102 is opposite to the upper clamp seat 107;

[0023] A replacement mechanism for facilitating replacement of the crimping heads is provided below the upper clamp seat 107 and above the lower clamp seat 102 .

[0024] Reference Figure 1-4 In this embodiment, the replacement mechanism includes a downward pressure joint 103, a block 1031, an upward pressure joint 104, a limit plate 105, a fastening bolt 1051 and a connecting piece 108. The upper part of the lower clamp seat 102 is elastically connected with a connecting piece 108 through a groove embedded therein, and the number of connecting pieces 108 is two. The upper part of the lower clamp seat 102 is movably connected with the downward pressure joint 103 through a groove embedded therein, and the two sides of the bottom of the downward pressure joint 103 are in contact with the two connecting pieces 108. The lower part of the upper clamp seat 107 is movably connected with the upward pressure joint 104 through a groove embedded therein, and the upward pressure joint 104 and the downward pressure joint 103 correspond to each other. The lower sides of the lower pressure joint 103 and the upper sides of the upper pressure joint 104 are fixedly installed with clamping blocks 1031, and the clamping blocks 1031 are set in an L shape. The lower clamp seat 102 and the upper clamp seat 107 are embedded with limit plates 105 through cavities, and the limit plates 105 are embedded with a clamping groove that matches the clamping blocks 1031 on the side facing the clamping blocks 1031. The lower sides of the lower clamp seat 102 and the upper sides of the upper clamp seat 107 are embedded with fastening bolts 1051 that are threadedly connected, and the ends of the fastening bolts 1051 extend into the cavities and are rotatably connected to the corresponding limit plates 105 through bearings.

[0025] The staff member tightens the fastening bolt 1051 to move the limit plate 105 horizontally away from the block 1031, so that the block 1031 is smoothly moved out of the cavity, and then the lower pressure joint 103 and the upper pressure joint 104 are smoothly moved out of the groove, and then the new upper pressure joint 104 is replaced and inserted into the groove below the upper clamp seat 107, and the block 1031 is inserted into the cavity. Then, the fastening bolt 1051 above the upper clamp seat 107 is reversed to push the limit plate 105 to move toward the side of the block 1031, so that the block 1031 is inserted from the groove of the limit plate 105, and the upper pressure joint 104 is fixed under the upper clamp seat 107. Continue the above work and install the new lower pressure joint 103 above the lower clamp seat 102. The two sides of the bottom of the lower pressure joint 103 are in contact with the two connecting pieces 108, and the replacement of the lower pressure joint 103 and the upper pressure joint 104 is completed.

[0026] Reference Figure 1-2In this embodiment, the handle A1 and the handle B101 are both ring-shaped at their tails, a gear 1011 is fixedly mounted on the head of the handle B101, a rack 1021 is fixedly mounted on the side of the lower clamp seat 102 close to the handle B101, and the rack 1021 is meshed with the gear 1011;

[0027] The staff holds handle A1 and handle B101, and the annular tail makes it easier for the staff to control the crimping pliers and more convenient to use. Then, when the staff brings handle A1 and handle B101 close to each other, the gear 1011 rotates clockwise, the gear 1011 engages the rack 1021 to move up, and the rack 1021 drives the lower clamp seat 102 to move up and close to the upper clamp seat 107 at the same time, so that the upper crimping joint 104 and the lower crimping joint 103 overlap. When the staff separates handle A1 and handle B101, the gear 1011 rotates counterclockwise, the engages the rack 1021 to move down, and the rack 1021 drives the lower clamp seat 102 to move down and away from the upper clamp seat 107.

[0028] Reference Figure 1-4 In this embodiment, a pressure switch 106 is embedded in the lower clamp seat 102, and a protrusion is provided in the middle of the lower pressure joint 103 to contact the pressure switch 106, and an indicator light 1061 is embedded on the upper clamp seat 107;

[0029] When the staff installs the connector on the cable interface, the staff inserts the cable end through the connector, and then inserts the cable connector through the crimping groove of the downward connector 103. The staff pinches the handle A1 and the handle B101 to bring them close to each other, and the upper connector 104 and the lower connector 103 overlap to press the cable connector. The elastically connected connecting piece 108 provides displacement space for the downward connector 103. The protrusion at the bottom of the downward connector 103 presses the pressure switch 106. The pressure switch 106 detects the pressure. When the pressure on the pressure switch 106 reaches the critical value, the pressure switch 106 controls the indicator light 1061 to light up, and the staff stops applying pressure to the cable connector. The staff's strength can be controlled to avoid excessive or insufficient force.

[0030] Reference Figure 1-4 In this embodiment, the indicator light 1061 is electrically connected to the battery through the pressure switch 106.

[0031] Working principle: First, when installing the connector on the cable interface, the staff inserts the cable end through the connector, and then inserts the cable connector through the crimping groove of the lower pressure connector 103. Then the staff pinches the handle A1 and the handle B101 to make the handle A1 and the handle B101 close to each other, and the gear 1011 rotates clockwise, and the gear 1011 engages the rack 1021 to move up, and the rack 1021 drives the lower clamp seat 102 to move up and close to the upper clamp seat 107 at the same time, so that the upper pressure connector 104 and the lower pressure connector 103 are close to each other to align the cable connector. The elastically connected connecting piece 108 provides displacement space for the pressing joint 103. The convex block at the bottom of the pressing joint 103 presses the pressure switch 106. The pressure switch 106 detects the pressure. When the pressure on the pressure switch 106 reaches a critical value, the pressure switch 106 controls the indicator light 1061 to light up, and the staff stops applying pressure to the cable joint. The staff's force can be controlled to avoid excessive or insufficient force. Then the staff can separate When the lower clamp seat 102 is moved downwardly away from the upper clamp seat 107, the gear 1011 rotates counterclockwise from the handle A1 and the handle B101, and the gear 1011 rotates counterclockwise, the meshing rack 1021 moves downwardly, and the rack 1021 drives the lower clamp seat 102 to move downwardly away from the upper clamp seat 107. Finally, when the lower pressure joint 103 and the upper pressure joint 104 are damaged and need to be replaced, the staff can tighten the fastening bolt 1051 to move the limit plate 105 horizontally away from the block 1031, so that the block 1031 can be smoothly moved out of the cavity, and then the lower pressure joint 103 and the upper pressure joint 104 can be smoothly moved out of the groove, and then the replacement will be The new upper pressure joint 104 is inserted into the groove below the upper clamp seat 107, and the block 1031 is inserted into the cavity. Then, the fastening bolt 1051 above the upper clamp seat 107 is screwed in reverse to push the limit plate 105 to move toward the side of the block 1031, so that the block 1031 is inserted into the groove of the limit plate 105, and the upper pressure joint 104 is fixed under the upper clamp seat 107. Continue the above work and install the new lower pressure joint 103 above the lower clamp seat 102 to complete the replacement of the lower pressure joint 103 and the upper pressure joint 104.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crimping head replacement mechanism for an electric crimping pliers, comprising a handle A (1) and a handle B (101), wherein the handle A (1) and the handle B (101) are rotatably connected to each other via a rotating shaft, characterized in that: The handle A (1) is integrally provided with an upper clamp seat (107) at the head thereof, and the middle portion of the handle A (1) is slidably connected to a lower clamp seat (102) via a slide rail, and the lower clamp seat (102) is opposite to the upper clamp seat (107); A replacement mechanism for facilitating replacement of the crimping heads is provided below the upper clamp seat (107) and above the lower clamp seat (102); The replacement mechanism comprises a downward pressing joint (103), a clamping block (1031), an upward pressing joint (104), a limiting plate (105), a fastening bolt (1051) and a connecting piece (108); A connecting piece (108) is elastically connected to the upper part of the lower clamp seat (102) through a groove embedded therein, and the number of connecting pieces (108) is two; a lower pressing joint (103) is movably connected to the upper part of the lower clamp seat (102) through a groove embedded therein, and the bottom two sides of the lower pressing joint (103) are in contact with the two connecting pieces (108); an upper pressing joint (104) is movably connected to the lower part of the upper clamp seat (107) through a groove embedded therein, and the upper pressing joint (104) and the lower pressing joint (103) correspond to each other and fit together, and the lower two sides of the lower pressing joint (103) and the upper two sides of the upper pressing joint (104) are A clamping block (1031) is fixedly installed, and the clamping block (1031) is arranged in an L shape. A limit plate (105) is embedded and installed in the lower clamp seat (102) and the upper clamp seat (107) through a cavity, and a clamping groove that fits with the clamping block (1031) is embedded and arranged on the side of the limit plate (105) facing the clamping block (1031). Fastening bolts (1051) are embedded and threadedly connected on both sides of the lower side of the lower clamp seat (102) and both sides of the upper side of the upper clamp seat (107), and the ends of the fastening bolts (1051) extend into the cavity and are rotatably connected to the corresponding limit plate (105) through a bearing.

2. A crimping head replacement mechanism for electric crimping pliers as claimed in claim 1, characterized in that: The tails of the handle A (1) and the handle B (101) are both arranged in a ring shape.

3. The crimping head replacement mechanism of the electric crimping pliers according to claim 1, characterized in that: A gear (1011) is fixedly mounted on the head of the handle B (101).

4. The crimping head replacement mechanism of the electric crimping pliers according to claim 1, characterized in that: A rack (1021) is fixedly mounted on a side of the lower clamp seat (102) close to the handle B (101), and the rack (1021) is meshed with the gear (1011).

5. The crimping head replacement mechanism of the electric crimping pliers according to claim 1, characterized in that: A pressure switch (106) is embedded and installed inside the lower clamp seat (102), and a protrusion is provided in the middle portion below the lower pressure joint (103) to contact the pressure switch (106).

6. The crimping head replacement mechanism of the electric crimping pliers according to claim 1, characterized in that: An indicator light (1061) is embedded and installed above the upper clamp seat (107).

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