Wire harness terminal and sealing sleeve assembling device

Abstract

The invention discloses a wiring harness terminal and sealing sleeve assembling device, and relates to the technical field of sealing sleeve assembling, the wiring harness terminal and sealing sleeve assembling device comprises a shell, and the outer wall of one side of the shell is provided with a movable groove, a movable frame, an expansion rod, a driving mechanism, a pushing mechanism and a butt joint mechanism. By arranging the driving mechanism and the pushing mechanism, the sealing sleeve is sleeved on the outer walls of the plurality of expansion rods, then the ratchet wheel is rotated to drive the expansion rods to perform opening operation, the terminal of the wire harness penetrates through the opening of the sealing sleeve to enter the inner cavity of the positioning ring, and then the positioning ring is pushed to move among the plurality of expansion rods; the pushing plate makes contact with one end of the sealing sleeve, the pressing air bag expands to clamp the wire harness, the pushing plate moves to push the sealing sleeve to slide out of the expansion rods, meanwhile, the positioning ring moves to drive the wire harness to synchronously move out of the space between the expansion rods, and the wire harness and the sealing sleeve can be conveniently moved out of the expansion rods; the relative position between the wire harness and the sealing sleeve is kept, and subsequent adjustment is not needed.

Description

Technical Field

[0001] The invention relates to the technical field of sealing sleeve assembly, in particular to a terminal and sealing sleeve assembly device of a wiring harness. Background Art

[0002] A forklift is a transport vehicle that stacks, loads and unloads, and transports palletized goods over short distances. According to the energy consumption mode, forklifts can be divided into internal combustion forklifts and new energy forklifts. These two types of forklifts have different characteristics and advantages. In recent years, in the environment of intelligent manufacturing and green environmental protection, it can be said that new energy forklifts have gradually been recognized and favored by more and more customers, and their advantages are increasingly prominent. Compared with internal combustion forklifts, the characteristics and advantages of new energy forklifts are mainly reflected in several aspects: First, the service life of new energy forklifts is longer. Whether it is a pure electric forklift, a gas forklift or a hybrid forklift, there is no need to worry about the battery or fuel endurance problem, and it has the characteristics of high efficiency and safety; second, the operation of new energy forklifts is more flexible; the maintenance difficulty and maintenance cost of new energy forklifts are low. Not only is the maintenance cycle longer, but the maintenance method is also simpler; fourth, new energy forklifts are more environmentally friendly. Even if the internal combustion forklift is powerful and more reliable, it will emit a lot of exhaust gas during work, which will have an adverse effect on the environment and people's health.

[0003] When using new energy forklifts, it is necessary to control the forklift through the wire harness through a chip. When using the wire harness, a terminal needs to be installed at one end of the wire harness, and then the wire harness is sealed through a sealing sleeve. Wire harness sealing is an important part of ensuring the safe and reliable operation of the forklift. Its main function is to protect the wire harness from the influence of the external environment, such as dust, moisture, corrosive gases, etc., and prevent the wires inside the wire harness from being damaged or short-circuited.

[0004] When installing the sealing sleeve, since the sealing sleeve needs to fit tightly against the outer wall of the wiring harness, during installation, it is necessary to open the opening of the sealing sleeve through an opening device, and then the terminal of the wiring harness is passed through the sealing sleeve through the opening, and then the opening device is tightened so that the sealing sleeve is sleeved on the outer wall of the wiring harness, and then the sealing sleeve and the wiring harness are moved out of the opening device. At this time, the sealing sleeve is sleeved on the outer wall of the wiring harness. However, when the expansion rod is tightened, since the expansion rod is located on the inner wall of the opening of the sealing sleeve, the expansion rod is easily affected by the elastic force of the sealing sleeve, which compresses the wiring harness and the sealing sleeve, making it difficult for the wiring harness and the sealing sleeve to move out of the expansion rod, and when the wiring harness and the sealing sleeve move out of the expansion rod, relative displacement is likely to occur between the wiring harness and the sealing sleeve, so that after moving out, the position of the sealing sleeve still needs to be adjusted, and the operation is relatively complicated. In order to facilitate the movement of the wiring harness and the sealing sleeve out of the expansion rod, a terminal and sealing sleeve assembly device for a wiring harness is provided. Summary of the invention

[0005] The object of the present invention is to provide a terminal and sealing sleeve assembly device for a wiring harness in order to facilitate the wiring harness and the sealing sleeve to move out of the expansion rod.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a terminal and sealing sleeve assembly device for a wiring harness, comprising a shell, a movable groove is opened on one side outer wall of the shell, a movable frame is slidably connected to the inner wall of the movable groove, an expansion rod is fixedly connected to the outer wall of one end of the movable frame, a plurality of expansion rods are opened by a driving mechanism, the sealing sleeve on the expansion rod is separated from the expansion rod by a pushing mechanism, and the length of the expansion rod is adjusted by a docking mechanism.

[0007] The driving mechanism includes a connecting rod, which is rotatably connected to an end of the movable frame away from the expansion rod, one end of the connecting rod is rotatably connected to a displacement block, a side of the outer shell away from the movable groove is rotatably connected to a ratchet, one end of the ratchet is fixedly connected to a threaded rod, the threaded rod passes through the displacement block, the inner wall of the movable groove is fixedly connected to a limiting rod, the outer wall of the movable frame is provided with a limiting hole for the limiting rod to slide, a clamping block is provided on one side of the ratchet, the outer wall of the clamping block is fixedly connected to a connecting shaft, the connecting shaft is rotatably connected to the outer shell, and a torsion spring is connected to the outer wall of the connecting shaft between the clamping block and the outer shell.

[0008] As a further scheme of the present invention: the pushing mechanism includes a guide rod, which is fixedly connected to the outer wall of the outer shell, one end of the guide rod is fixedly connected to a limiting plate, the outer wall of the guide rod is slidably connected to a pushing plate, the outer wall of the pushing plate is provided with a connecting hole for the guide rod to slide, one end of the pushing plate is fixed with a positioning ring, the outer walls of the guide rod are respectively provided with a first groove and a second groove, the inner cavity of the positioning ring is installed with a clamping airbag, a connecting airbag is installed inside the pushing plate, the interior of the pushing plate is located on one side of the connecting airbag and is slidably connected to a displacement frame, the interior of the pushing plate is located on one side of the displacement frame and is slidably connected to a displacement rod, and the displacement rod extends into the interior of the connecting hole.

[0009] As a further solution of the present invention: the docking mechanism includes an extension rod, which is arranged at one end of the expansion rod, and the extension rod is fixedly connected with an insertion rod at one end of the expansion rod toward the expansion rod, the outer wall of the insertion rod is provided with an annular groove, and the expansion rod is provided with an insertion hole at one end of the extension rod toward the extension rod, the interior of the movable frame is slidably connected with a fixed frame, one end of the fixed frame extends to the inner cavity of the insertion hole, and the other end of the fixed frame extends out of the movable frame, and a fixing spring is connected between the fixed frame and the movable frame.

[0010] As a further solution of the present invention: a threaded hole is provided on the outer wall of the displacement block, the threaded hole matches the threaded rod, and both ends of the connecting rod are rotatably connected to the movable frame and the displacement block through a rotating shaft.

[0011] As a further solution of the present invention: the inner wall of the movable groove fits with the outer wall of the movable frame, and the inner wall of the limiting hole fits with the outer wall of the limiting rod.

[0012] As a further solution of the present invention: the guide rod and the connecting hole are equidistantly distributed on the outer wall of the shell, and the outer wall of the guide rod is in contact with the inner wall of the connecting hole.

[0013] As a further solution of the present invention: a semicircular surface is provided at one end of the displacement rod located in the inner cavity of the connecting hole, an outer wall of the displacement frame is provided with an inclined surface, the outer wall of the displacement rod is in contact with the inclined surface, and the connecting airbag and the clamping airbag are connected through a connecting tube.

[0014] As a further solution of the present invention: the outer wall of the insertion rod is in contact with the inner wall of the insertion hole, and the shape of the insertion rod is cylindrical.

[0015] As a further solution of the present invention: the fixing frame is in a C-shape, and the inner wall of the annular groove fits with the outer wall of one end of the fixing frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting a driving mechanism and a pushing mechanism, the sealing sleeve is sleeved on the outer wall of a plurality of expansion rods, and then the ratchet is rotated to drive the expansion rod to open, and the terminal of the wiring harness passes through the opening of the sealing sleeve into the inner cavity of the positioning ring, and then the positioning ring is pushed to move between the plurality of expansion rods, and the pushing plate contacts one end of the sealing sleeve, and the compression airbag expands to clamp the wiring harness, and the pushing plate moves to push the sealing sleeve to slide out of the expansion rod, and at the same time, the positioning ring moves to drive the wiring harness to move synchronously out of the expansion rod, so as to facilitate the wiring harness and the sealing sleeve to move out of the expansion rod, and when the wiring harness and the sealing sleeve are moved out, the relative position between the wiring harness and the sealing sleeve is maintained, and no subsequent adjustment is required;

[0018] 2. By setting a docking mechanism, when the expansion rod is in a tightened state, the fixed frame contacts one end of the inner wall of the movable groove, the fixed frame does not enter the inner cavity of the socket, and the fixed spring is in a compressed state. When the length of the expansion rod is adjusted, the insertion rod is inserted into the inner cavity of the socket, and the extension rod is installed on one end of the expansion rod. When the expansion rod is opened, the fixed frame is separated from the movable groove, and the fixed frame moves under the elastic force of the fixed spring. The fixed frame engages into the annular groove and fixes the insertion rod in the socket, thereby fixing and installing the extension rod, facilitating the adjustment of the length of the expansion rod to meet the use of sealing sleeves of different lengths, and when the expansion rod is opened, the extension rod is automatically reinforced to prevent it from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 is a cross-sectional view of a housing of the present invention;

[0021] Figure 3 It is a schematic diagram of the installation of the displacement block of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the movable frame of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the guide rod of the present invention;

[0024] Figure 6 is a cross-sectional view of a push plate of the present invention;

[0025] Figure 7 It is a cross-sectional view of the movable frame and the expansion rod of the present invention.

[0026] In the figure: 1. shell; 2. movable groove; 3. movable frame; 4. expansion rod; 5. driving mechanism; 501. connecting rod; 502. displacement block; 503. ratchet; 504. threaded rod; 505. limiting rod; 506. limiting hole; 507. clamping block; 508. connecting shaft; 509. torsion spring; 6. pushing mechanism; 601. guide rod; 602. limiting plate; 603. pushing plate; 604. connecting hole; 605. positioning ring; 606. first groove; 607. second groove; 608. pressing airbag; 609. connecting airbag; 610. displacement frame; 611. displacement rod; 7. docking mechanism; 701. extension rod; 702. insertion rod; 703. annular groove; 704. jack; 705. fixing frame; 706. fixing spring; 8. connecting pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0029] See also Figures 1 to 7 In an embodiment of the present invention, a terminal and sealing sleeve assembly device for a wiring harness includes a housing 1, an outer wall of one side of the housing 1 is provided with a movable groove 2, an inner wall of the movable groove 2 is slidably connected to a movable frame 3, an outer wall of one end of the movable frame 3 is fixedly connected to an expansion rod 4, a plurality of expansion rods 4 are opened by a driving mechanism 5, the sealing sleeve on the expansion rod 4 is separated from the expansion rod 4 by a pushing mechanism 6, the length of the expansion rod 4 is adjusted by a docking mechanism 7, the driving mechanism 5 includes a connecting rod 501, the connecting rod 501 is rotatably connected to an end of the movable frame 3 away from the expansion rod 4, and one end of the connecting rod 501 is rotatably connected to A displacement block 502, a ratchet 503 is rotatably connected to one side of the shell 1 away from the movable groove 2, one end of the ratchet 503 is fixedly connected to a threaded rod 504, the threaded rod 504 passes through the displacement block 502, the inner wall of the movable groove 2 is fixedly connected to a limit rod 505, the outer wall of the movable frame 3 is provided with a limit hole 506 for the limit rod 505 to slide, a clamping block 507 is provided on one side of the ratchet 503, the outer wall of the clamping block 507 is fixedly connected to a connecting shaft 508, the connecting shaft 508 is rotatably connected to the shell 1, and a torsion spring 509 is connected to the outer wall of the connecting shaft 508 between the clamping block 507 and the shell 1.

[0030] In this embodiment: when the opening of the sealing sleeve is opened, the sealing sleeve is sleeved on the outer wall of the plurality of expansion rods 4, and then the ratchet 503 is rotated. The rotation of the ratchet 503 drives the threaded rod 504 to rotate. The rotation of the threaded rod 504 drives the displacement block 502 to move. The displacement block 502 moves and drives the movable frame 3 to slide on the inner wall of the movable groove 2 through the connecting rod 501. At this time, the limiting rod 505 slides on the inner wall of the limiting hole 506 to limit the movement of the movable frame 3. The movement of the movable frame 3 drives the expansion rod 4 to move. The expansion rod 4 moves to open the opening of the sealing sleeve. At this time, the clamping block 507 is engaged with the ratchet 503 under the torsion force of the torsion spring 509, thereby positioning the ratchet 503, so as to facilitate the continuous opening of the sealing sleeve opening.

[0031] Please refer to Figures 5 and 6 The pushing mechanism 6 includes a guide rod 601, which is fixedly connected to the outer wall of the shell 1, one end of the guide rod 601 is fixedly connected to the limiting plate 602, the outer wall of the guide rod 601 is slidably connected to a pushing plate 603, the outer wall of the pushing plate 603 is provided with a connecting hole 604 for the guide rod 601 to slide, one end of the pushing plate 603 is fixed with a positioning ring 605, the outer walls of the guide rod 601 are respectively provided with a first groove 606 and a second groove 607, the inner cavity of the positioning ring 605 is installed with a clamping airbag 608, the interior of the pushing plate 603 is installed with a connecting airbag 609, the interior of the pushing plate 603 is located on one side of the connecting airbag 609 and is slidably connected to a displacement frame 610, the interior of the pushing plate 603 is located on one side of the displacement frame 610 and is slidably connected to a displacement rod 611, and the displacement rod 611 extends into the interior of the connecting hole 604.

[0032] In this embodiment: after the sealing sleeve opening is opened, the terminal of the wiring harness is passed through the opening of the sealing sleeve into the inner cavity of the positioning ring 605, and then the positioning ring 605 is pushed to move. At this time, the pushing plate 603 slides along the outer wall of the guide rod 601 to limit the moving direction of the positioning ring 605. The positioning ring 605 moves between the multiple expansion rods 4, and the pushing plate 603 contacts one end of the sealing sleeve. At this time, one end of the displacement rod 611 moves out of the first groove 606, and the displacement rod 611 moves to push the displacement frame 610 to move. The movement of the displacement frame 610 squeezes the connecting airbag 609, and the air in the connecting airbag 609 enters the compression airbag 608. The compression airbag 608 expands and contacts the outer wall of the wiring harness to clamp the wiring harness, and then the clamping block 50 is rotated. 7. Cancel the fixation of the ratchet 503, rotate the ratchet 503 to tighten the expansion rod 4, until the expansion rod 4 stops after contacting the outer wall of the positioning ring 605, push the positioning ring 605 to move, the movement of the positioning ring 605 drives the pushing plate 603 to move, the movement of the pushing plate 603 drives the sealing sleeve to slide out of the expansion rod 4, and at the same time, the movement of the positioning ring 605 drives the wiring harness to move synchronously out of between the expansion rods 4, until the pushing plate 603 slides to the second groove 607, the displacement rod 611 can slide into the second groove 607, thereby pressing the airbag 608 to tighten, canceling the clamping and fixing of the wiring harness, facilitating the movement of the wiring harness and the sealing sleeve out of the expansion rod 4, and when moving the wiring harness and the sealing sleeve out, the relative position between the wiring harness and the sealing sleeve is maintained, and no subsequent adjustment is required.

[0033] Please refer to Figure 7 The docking mechanism 7 includes an extension rod 701, which is arranged at one end of the expansion rod 4. The extension rod 701 is fixedly connected with an insertion rod 702 at one end facing the expansion rod 4. An annular groove 703 is provided on the outer wall of the insertion rod 702. The expansion rod 4 is provided with a socket 704 at one end facing the extension rod 701. A fixed frame 705 is slidably connected to the inside of the movable frame 3. One end of the fixed frame 705 extends to the inner cavity of the socket 704, and the other end of the fixed frame 705 extends out of the movable frame 3. A fixing spring 706 is connected between the fixed frame 705 and the movable frame 3.

[0034] When the expansion rod 4 is in the state of being tightened, the fixing frame 705 contacts one end of the inner wall of the movable groove 2, the fixing frame 705 does not enter the inner cavity of the insertion hole 704, and the fixing spring 706 is in a compressed state. When the length of the expansion rod 4 is adjusted, the insertion rod 702 is inserted into the inner cavity of the insertion hole 704, and the extension rod 701 is installed on one end of the expansion rod 4. When the expansion rod 4 is opened, the fixing frame 705 is separated from the movable groove 2, and the fixing frame 705 is moved by the elastic force of the fixing spring 706. The fixing frame 705 is engaged into the annular groove 703, and the insertion rod 702 is fixed in the insertion hole 704, so that the extension rod 701 is fixedly installed, which is convenient for adjusting the length of the expansion rod 4 to meet the use of sealing sleeves of different lengths, and when the expansion rod 4 is opened, the extension rod 701 is automatically reinforced to prevent it from loosening.

[0035] Please refer to Figures 1 to 4 The outer wall of the displacement block 502 is provided with a threaded hole, which matches the threaded rod 504. Both ends of the connecting rod 501 are rotatably connected to the movable frame 3 and the displacement block 502 through a rotating shaft.

[0036] In this embodiment, the ratchet wheel 503 is rotated, the rotation of the ratchet wheel 503 drives the threaded rod 504 to rotate, the rotation of the threaded rod 504 drives the displacement block 502 to move, and the movement of the displacement block 502 drives the movable frame 3 to slide on the inner wall of the movable groove 2 through the connecting rod 501.

[0037] Please refer to Figures 1 to 4 The inner wall of the movable groove 2 fits with the outer wall of the movable frame 3 , and the inner wall of the limiting hole 506 fits with the outer wall of the limiting rod 505 .

[0038] In this embodiment, the movable frame 3 slides on the inner wall of the movable groove 2 , and at this time, the limiting rod 505 slides on the inner wall of the limiting hole 506 to limit the movement of the movable frame 3 .

[0039] Please refer to Figures 5 and 6 The guide rod 601 and the connecting hole 604 are equidistantly distributed on the outer wall of the housing 1 circumferentially, and the outer wall of the guide rod 601 fits with the inner wall of the connecting hole 604 .

[0040] In this embodiment: the positioning ring 605 is pushed to move, and the pushing plate 603 slides along the outer wall of the guide rod 601 to limit the moving direction of the positioning ring 605. At the same time, the limiting plate 602 limits the moving distance of the pushing plate 603 on the outer wall of the guide rod 601 to prevent the pushing plate 603 from moving out of the guide rod 601.

[0041] Please refer to Figures 5 and 6A semicircular surface is provided at one end of the displacement rod 611 located in the inner cavity of the connecting hole 604, and an inclined surface is provided on the outer wall of the displacement frame 610. The outer wall of the displacement rod 611 contacts the inclined surface, and the connecting airbag 609 and the clamping airbag 608 are connected through the connecting tube 8.

[0042] In this embodiment: one end of the displacement rod 611 moves out of the first groove 606, the displacement rod 611 moves to push the displacement frame 610 to move, the movement of the displacement frame 610 squeezes the connecting airbag 609, the air in the connecting airbag 609 enters the compression airbag 608, the compression airbag 608 expands and contacts the outer wall of the wiring harness, clamping the wiring harness.

[0043] Please refer to Figure 7 The outer wall of the insertion rod 702 fits with the inner wall of the insertion hole 704 , the shape of the insertion rod 702 is cylindrical, the shape of the fixing frame 705 is C-shaped, and the inner wall of the annular groove 703 fits with the outer wall of one end of the fixing frame 705 .

[0044] In this embodiment: the insertion rod 702 is inserted into the inner cavity of the socket 704, and the extension rod 701 is installed at one end of the expansion rod 4. When the expansion rod 4 is opened, the fixing frame 705 is separated from the movable groove 2, and the fixing frame 705 moves under the elastic force of the fixing spring 706. The fixing frame 705 is engaged into the annular groove 703, and the insertion rod 702 is fixed in the socket 704, thereby fixing the extension rod 701.

[0045] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A terminal and sealing sleeve assembly device for a wiring harness, comprising a housing (1), a movable groove (2) is provided on one side outer wall of the housing (1), a movable frame (3) is slidably connected to the inner wall of the movable groove (2), and an expansion rod (4) is fixedly connected to the outer wall of one end of the movable frame (3), characterized in that: The plurality of expansion rods (4) are opened by a driving mechanism (5), the sealing sleeves on the expansion rods (4) are separated from the expansion rods (4) by a pushing mechanism (6), and the length of the expansion rods (4) is adjusted by a docking mechanism (7). The driving mechanism (5) comprises a connecting rod (501), wherein the connecting rod (501) is rotatably connected to one end of the movable frame (3) away from the expansion rod (4), one end of the connecting rod (501) is rotatably connected to a displacement block (502), a side of the housing (1) away from the movable groove (2) is rotatably connected to a ratchet (503), one end of the ratchet (503) is fixedly connected to a threaded rod (504), the threaded rod (504) penetrates the displacement block (502), and the movable groove (2) The inner wall of the movable frame (3) is fixedly connected to a limit rod (505); the outer wall of the movable frame (3) is provided with a limit hole (506) for the limit rod (505) to slide; a clamping block (507) is provided on one side of the ratchet wheel (503); the outer wall of the clamping block (507) is fixedly connected to a connecting shaft (508); the connecting shaft (508) is rotatably connected to the outer shell (1); and a torsion spring (509) is connected to the outer wall of the connecting shaft (508) between the clamping block (507) and the outer shell (1).

2. A terminal and sealing sleeve assembly device for a wiring harness according to claim 1, characterized in that: The pushing mechanism (6) comprises a guide rod (601), the guide rod (601) is fixedly connected to the outer wall of the housing (1), one end of the guide rod (601) is fixedly connected to a limiting plate (602), the outer wall of the guide rod (601) is slidably connected to a pushing plate (603), the outer wall of the pushing plate (603) is provided with a connecting hole (604) for the guide rod (601) to slide, one end of the pushing plate (603) is fixedly provided with a positioning ring (605), and the outer walls of the guide rod (601) are respectively provided with two ends. A first groove (606) and a second groove (607) are provided, a compression airbag (608) is installed in the inner cavity of the positioning ring (605), a connecting airbag (609) is installed inside the pushing plate (603), a displacement frame (610) is slidably connected to the inside of the pushing plate (603) at one side of the connecting airbag (609), a displacement rod (611) is slidably connected to the inside of the pushing plate (603) at one side of the displacement frame (610), and the displacement rod (611) extends into the inside of the connecting hole (604).

3. A terminal and sealing sleeve assembly device for a wiring harness according to claim 2, characterized in that: The docking mechanism (7) comprises an extension rod (701), wherein the extension rod (701) is arranged at one end of the expansion rod (4), and an insertion rod (702) is fixedly connected to the end of the extension rod (701) facing the expansion rod (4), and an annular groove (703) is provided on the outer wall of the insertion rod (702), and an insertion hole (704) is provided on the end of the expansion rod (4) facing the extension rod (701). A fixed frame (705) is slidably connected to the inside of the movable frame (3), and one end of the fixed frame (705) extends to the inner cavity of the insertion hole (704), and the other end of the fixed frame (705) extends out of the movable frame (3), and a fixing spring (706) is connected between the fixed frame (705) and the movable frame (3).

4. The terminal and sealing sleeve assembly device of a wiring harness according to claim 1, characterized in that: The outer wall of the displacement block (502) is provided with a threaded hole, the threaded hole matches the threaded rod (504), and both ends of the connecting rod (501) are rotatably connected to the movable frame (3) and the displacement block (502) via a rotating shaft.

5. The terminal and sealing sleeve assembly device of a wiring harness according to claim 1, characterized in that: The inner wall of the movable groove (2) fits with the outer wall of the movable frame (3), and the inner wall of the limiting hole (506) fits with the outer wall of the limiting rod (505).

6. A terminal and sealing sleeve assembly device for a wiring harness according to claim 2, characterized in that: The guide rod (601) and the connection hole (604) are equidistantly distributed on the outer wall of the housing (1) at a circumference, and the outer wall of the guide rod (601) fits in with the inner wall of the connection hole (604).

7. A terminal and sealing sleeve assembly device for a wiring harness according to claim 2, characterized in that: A semicircular surface is provided at one end of the displacement rod (611) located in the inner cavity of the connection hole (604), and an inclined surface is provided on the outer wall of the displacement frame (610). The outer wall of the displacement rod (611) is in contact with the inclined surface, and the connection airbag (609) and the compression airbag (608) are connected via a connection tube (8).

8. The terminal and sealing sleeve assembly device of a wiring harness according to claim 3, characterized in that: The outer wall of the insertion rod (702) fits into the inner wall of the insertion hole (704), and the shape of the insertion rod (702) is cylindrical.

9. The terminal and sealing sleeve assembly device of a wiring harness according to claim 3, characterized in that: The fixing frame (705) is in a C-shape, and the inner wall of the annular groove (703) is in contact with the outer wall of one end of the fixing frame (705).

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