CN220698776U - Interference mounting auxiliary tool - Google Patents

Abstract

The utility model relates to the technical field of engine installation tools, and discloses an interference installation auxiliary tool, which comprises: an auxiliary connection structure; and the operation structure comprises a clamping part and a force application part connected with the clamping part. The auxiliary connection structure is connected with the wire harness connector, so that the auxiliary connection structure and the wire harness connector can synchronously move, after the clamping connection part of the operation structure is matched with the auxiliary connection structure in a clamping manner, the clamping connection part is driven to move by applying force on the force application part of the operation structure, so that the auxiliary connection structure is driven to move in a direction away from the cylinder cover, and the wire harness connector is pulled to move in a direction away from the cylinder cover by the auxiliary connection structure until the wire harness connector and the cylinder cover are in interference fit. Through assisting the cooperation of connecing structure and operating structure, can make pencil connect and cylinder cap slowly realize interference fit, avoid the pencil to connect to receive inhomogeneous impact force, also avoid the pencil to connect to receive great transient stress, and then avoid the pencil to connect consequently to be destroyed.

Description

Interference mounting auxiliary tool

Technical Field

The utility model relates to the technical field of engine installation tools, in particular to an interference installation auxiliary tool.

Background

At present, the engine wire harness adopts the integral type more, and a plurality of spare part connect the pencil to be in the same place for can draw forth some pencil joints on the pencil, the inside pencil joint of engine needs to be worn out from the engine in, specifically passes the hole on the cylinder cap of engine, makes pencil joint and cylinder cap interference fit.

In the prior art known by the inventor, an operator applies force from the inside of an engine to smash the wire harness connector through the extension rod, so that the wire harness connector is in interference fit with the cylinder cover, and the wire harness connector is easy to smash and damage due to uneven smashing force and larger instantaneous stress.

Disclosure of Invention

The utility model aims to solve the problem that the harness connector is easy to break by smashing in the prior art by installing the harness connector and a cylinder cover in an interference manner, and provides an interference installation auxiliary tool which has the function of replacing the smashing manner to install the harness connector and the cylinder cover in an interference manner so as to avoid the breakage of the harness connector.

To achieve the above object, an aspect of the present utility model provides an interference installation assisting tool, including: the auxiliary connecting structure is arranged to be capable of being connected with a wire harness connector penetrating through the cylinder cover; and the operation structure comprises a clamping part and a force application part connected with the clamping part, a clamping area for clamping the auxiliary structure is formed on the clamping part, the clamping part can be matched with the auxiliary structure in a clamping way through the clamping area, and the auxiliary structure is driven by the force application part to pull the wire harness connector in a direction away from the cylinder cover so as to enable the wire harness connector to be in interference fit with the cylinder cover.

Preferably, the force application part comprises a first force application handle and a second force application handle which are mutually and pivotally connected, the first force application handle and the second force application handle are in crossed fit to form a clamp-shaped structure, and the clamping part is connected with the first force application handle and/or the second force application handle.

Preferably, the clamping portion comprises a first claw and a second claw, the first claw is connected with the end portion of the first force application handle, and the second claw is connected with the end portion of the second force application handle.

Preferably, the auxiliary connection structure comprises a connection part, and the connection part can be clamped into the clamping area and matched with the clamping part in a clamping manner.

Preferably, the connecting part is provided with a containing groove for inserting the end part of the wire harness connector; and/or, the auxiliary connection structure further comprises an auxiliary rotating edge arranged on the outer peripheral surface of the connecting part, the clamping area is matched with the outer peripheral outline of the connecting part, when the connecting part is clamped into the clamping area, the auxiliary rotating edge is attached to the clamping part, and the connecting part can rotate under the driving of the clamping part through the auxiliary rotating edge.

Preferably, when the auxiliary connection structure comprises an auxiliary rotating edge, the clamping part comprises a plurality of ribs, the ribs enclose a semi-annular structure with an opening, a clamping area is formed in the clamping part, the opening is arranged away from the force application part, at least two adjacent ribs are connected to form a shape which is matched with the auxiliary rotating edge, and the auxiliary rotating edge can be attached to one surface of the rib facing the clamping area; and/or, the auxiliary connection structure further comprises a locking piece, the connecting part is connected with the wire harness connector through the locking piece, the locking piece can lock the connecting part and the wire harness connector in a first direction, and the first direction is the direction in which the connecting part drives the wire harness connector to move.

Preferably, when the auxiliary connection structure includes a locking member, the locking member includes a locking post disposed on an inner wall of the receiving groove, and the locking post is capable of being screwed into a spiral groove of an outer wall of the wire harness connector and is relatively fixed with the wire harness connector in the first direction.

Preferably, the locking member includes a plurality of locking posts circumferentially spaced along the inner wall of the receiving slot.

Preferably, the auxiliary connection structure further comprises a bearing part connected with the connecting part, the bearing part is provided with a bearing surface for the clamping part to abut against, and the clamping part can apply pressure to the bearing surface so as to drive the auxiliary connection structure to move.

Preferably, the bearing portion includes an end plate connected to an end of the connecting portion, the end plate circumferentially protruding beyond an outer peripheral edge of the connecting portion, and a face of the protruding portion of the end plate facing the connecting portion forms the bearing face.

Through above-mentioned technical scheme, use earlier to assist and connect the structure and be connected with the pencil, make both can synchronous movement, reuse operation structure's joint portion and assist the cooperation of tying structure joint after, through the application of force on operation structure's application of force portion, drive joint portion and remove to drive assist the tying structure and remove to the direction of keeping away from the cylinder cap, and then pull the pencil through assisting the tying structure and connect and remove to the direction of keeping away from the cylinder cap, until the pencil connects and realizes interference fit with the cylinder cap. Through assisting the cooperation of connecing structure and operating structure, can make pencil connect and the cylinder cap slowly realize interference fit, compare in the mode of pounding, avoid the pencil to connect to receive inhomogeneous impact force, also avoid the pencil to connect to receive great transient stress, and then avoid the pencil to connect and consequently be destroyed.

Drawings

FIG. 1 is a schematic structural view of an accessory structure of an interference fit accessory tool of the present utility model;

FIG. 2 is a schematic structural view of the operating structure of the interference fit accessory of the present utility model;

FIG. 3 is a schematic view of the auxiliary connection structure of the present utility model mated with a harness connector;

FIG. 4 is an enlarged view of a portion of FIG. 3A; and

fig. 5 is a schematic view of the auxiliary connection structure of the present utility model mated with the harness connector and the end cap.

Description of the reference numerals

1. An auxiliary connection structure; 11. a connection part; 111. a receiving groove; 12. auxiliary rotating edges; 13. locking a column; 14. an end plate; 2. an operating structure; 21. a clamping part; 211. a first claw; 212. a second claw; 22. a force application part; 221. a first force application handle; 222. a second force application handle; 10. a harness joint; 101. a spiral groove; 20. and (5) a cylinder cover.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1 to 5, the present utility model provides an interference installation assisting tool, comprising: an auxiliary connection structure 1, the auxiliary connection structure 1 being configured to be connectable with a harness joint 10 passing through a cylinder head 20; and the operation structure 2, the operation structure 2 comprises a clamping part 21 and a force application part 22 connected with the clamping part 21, a clamping area for clamping the auxiliary structure 1 is formed on the clamping part 21, the clamping part 21 can be in clamping fit with the auxiliary structure 1 through the clamping area, and the auxiliary structure 1 is driven by the force application part 22 to pull the wire harness connector 10 in a direction away from the cylinder cover 20, so that the wire harness connector 10 is in interference fit with the cylinder cover 20.

In this embodiment, the wire harness connector 10 penetrates a part from the hole of the cylinder cover 20, the rest part needs to be in interference fit with the cylinder cover 20, the auxiliary connection structure 1 is connected with the penetrated part of the wire harness connector 10, and the wire harness connector 10 can be driven to move in a direction away from the cylinder cover 20 by the operation structure 2 and the auxiliary connection structure 1. The clamping part 21 of the operation structure 2 is clamped with the auxiliary structure 1, the force is applied to the force application part 22, so that the clamping part 21 drives the auxiliary structure 1 to move in a direction away from the cylinder cover 20, and then the wire harness connector 10 is driven to move in a direction away from the cylinder cover 20 until the rest part of the wire harness connector 10 penetrates into a hole of the cylinder cover 20, namely, interference fit with the cylinder cover 20 is realized. The auxiliary connection structure 1 cooperates with the operation structure 2, through the mode that pulls the pencil connects 10 for pencil connects 10 slowly moving, and then makes the pencil connect 10 even and lasting of the power that receives, compares in the mode of pounding, auxiliary connection structure 1 and operation structure 2 complex mode in this embodiment can avoid pencil to connect 10 to receive inhomogeneous impact force, also can avoid the pencil to connect 10 to receive great transient stress, and then avoids pencil to connect 10 to be destroyed because of pounding, plays the guard action to pencil connect 10.

In addition, the auxiliary connection structure 1 and the operation structure 2 are all operated outside the engine, compared with the inside of the engine, the operation space is larger, the force application is more convenient, and the interference fit efficiency of the wire harness connector 10 and the cylinder cover 20 is higher.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the force application portion 22 includes a first force application handle 221 and a second force application handle 222 pivotally connected to each other, and the two force application handles are in a cross fit to form a pincer-like structure, and the clamping portion 21 is connected to the first force application handle 221 and/or the second force application handle 222.

In this embodiment, the first force application handle 221 includes a connecting section and a handle section that are connected to each other and are integrally formed, the second force application handle 222 is identical to the first force application handle 221, the connecting section is used for connecting with the clamping portion 21, and three points of a connecting node of the connecting section of the first force application handle 221 and the handle section, a connecting node of the connecting section of the second force application handle 222 and the handle section, and a pivot connecting node of the first force application handle 221 and the second force application handle 222 overlap. Before the clamping part 21 is matched with the auxiliary connecting structure 1, the distance between the handle section of the first force application handle 221 and the handle section of the second force application handle 222 is the largest, the distance between the connecting section of the first force application handle 221 and the connecting section of the second force application handle 222 is the smallest, after the clamping part 21 is matched with the auxiliary connecting structure 1, one side of the handle section of the first force application handle 221, which is away from the handle section of the second force application handle 222, is abutted against the cylinder cover 20, at the moment, the handle section of the first force application handle 221 is abutted against the cylinder cover 20, the distance between the connecting section of the first force application handle 221 and the connecting section of the second force application handle 222 is increased, the distance between the connecting section of the first force application handle 221 and the connecting section of the second force application handle 222 is reduced, the connecting section of the first force application handle 221 moves in the direction away from the cylinder cover 20, the clamping part 21 on the connecting section of the first force application handle 221 is driven to move in the same direction, and the auxiliary connecting structure 1 and the joint 10 are driven to move in the direction away from the cylinder cover 20, and the interference fit of the wire harness 10 and the wire harness 20 is driven to realize the interference fit.

The clamp-shaped structure formed by the first force application handle 221 and the second force application handle 222 is convenient for an operator to apply force to the first force application handle 221 or the second force application handle 222, and labor is saved, so that the operator can operate the first force application handle 221 or the second force application handle 222 by using small force, and the first force application handle 221 or the second force application handle 222 can rotate relative to each other, and compared with a beating mode in the prior art, the operation of the first force application handle 221 or the second force application handle 222 is more labor-saving.

Specifically, the outer peripheries of the handle section of the first force application handle 221 and the handle section of the second force application handle 222 are wrapped with anti-slip pads, so that friction force between an operator and the handle section is increased, and smooth and labor-saving operation is ensured.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the clamping portion 21 includes a first jaw 211 and a second jaw 212, the first jaw 211 is connected to an end of a first force application lever 221, and the second jaw 212 is connected to an end of a second force application lever 222.

In the present embodiment, the first claw 211 is connected to an end of a connecting section of the first urging lever 221, and the second claw 212 is connected to an end of a connecting section of the second urging lever 222. Before the clamping part 21 is matched with the auxiliary connecting structure 1, the distance between the first clamping jaw 211 and the second clamping jaw 212 is the smallest, the first clamping jaw 211 and the second clamping jaw 212 are simultaneously matched with the auxiliary connecting structure 1 in a clamping mode, when the handle section of the second force application handle 222 moves towards the direction close to the handle section of the first force application handle 221, the second clamping jaw 212 abuts against the cylinder cover 20, the first clamping jaw 211 moves towards the direction far away from the cylinder cover 20, the auxiliary connecting structure 1 is driven to move in the same direction, and interference fit between the wire harness connector 10 and the cylinder cover 20 is achieved.

The first claw 211 is used for being clamped with the auxiliary structure 1 and driving the auxiliary structure 1 to move, the second claw 212 is used for being matched with the first claw 211 to be clamped with the auxiliary structure 1, the integral stability of the clamping part 21 and the auxiliary structure 1 is guaranteed, the second claw 212 is also used for being abutted against the cylinder cover 20, and when the handle section of the second force application handle 222 moves, a reaction force is generated to act on the second force application handle 222, so that the handle section of the second force application handle 222 can smoothly move towards the direction close to the handle section of the first force application handle 221.

Specifically, nylon pads or protection pads can be sleeved on the first clamping jaw 211 and the second clamping jaw 212, so that damage to other components caused by the first clamping jaw 211 and the second clamping jaw 212 in the using process is avoided. The maximum distance between the first clamping jaw 211 and the second clamping jaw 212 can be determined according to the travel requirement of the wire harness connector 10 in the interference mounting process of the wire harness connector 10 and the cylinder cover 20, so as to meet the assembly requirement of the wire harness connector 10.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the auxiliary connection structure 1 includes a connection portion 11, where the connection portion 11 can be snapped into the snap-fit area and snap-fit with the snap-fit portion 21.

In this embodiment, the connecting portion 11 is used for being in clamping fit with the clamping portion 21, and is also used for being connected with the wire harness connector 10, the connecting portion 11 is simultaneously adapted to the clamping portion 21 and the wire harness connector 10, and the clamping portion 21 and the wire harness connector 10 cannot be directly matched due to structural mismatch of the clamping portion 21 and the wire harness connector 10, so that the auxiliary connecting structure 1 is arranged, the clamping portion 21 and the wire harness connector 10 are matched through the connecting portion 11, and the operating structure 2 can drive the wire harness connector 10 to move.

Referring to fig. 1 to 5, in one embodiment of the present utility model, a receiving groove 111 into which an end of a wire harness connector 10 is inserted is formed in a connection portion 11.

In this embodiment, the shape and size of the accommodation groove 111 are adapted to the shape and size of the end of the wire harness connector 10, so that the wire harness connector 10 can be inserted into the accommodation groove 111, the accommodation groove 111 can increase the contact area between the connection portion 11 and the wire harness connector 10, and further increase the friction force between the connection portion 11 and the wire harness connector 10, so that the connection portion 11 is more tightly matched with the wire harness connector 10, and when the connection portion 11 is ensured to move, the wire harness connector 10 can move along with the connection portion 11.

Specifically, the receiving groove 111 is a circular groove opened at the center of the connection portion 11.

Referring to fig. 1 to 5, in an embodiment of the present utility model, the auxiliary connection structure 1 further includes an auxiliary rotating rib 12 disposed on an outer peripheral surface of the connection portion 11, the clamping area is adapted to an outer peripheral contour of the connection portion 11, when the connection portion 11 is clamped into the clamping area, the auxiliary rotating rib 12 is attached to the clamping portion 21, and the connection portion 11 can rotate under the driving of the clamping portion 21 through the auxiliary rotating rib 12.

In this embodiment, because the part that needs to cooperate with the cylinder cover 20 is provided in the circumferential direction of the wire harness connector 10, before the wire harness connector 10 is in interference fit with the cylinder cover 20, the wire harness connector 10 needs to be rotated to a required position, so that the part in the circumferential direction of the wire harness connector 10 is aligned with the corresponding position on the cylinder cover 20, and therefore, the auxiliary rotating edge 12 is arranged on the connecting portion 11, so that after the clamping portion 21 is in clamping fit with the connecting portion 11, the clamping portion 21 can rotate, the connecting portion 11 can be driven to rotate, the wire harness connector 10 can be driven to rotate to the required position, the connecting portion 11 can also be driven to rotate the wire harness connector 10 while the wire harness connector 10 is driven to move in a direction away from the cylinder cover 20, and the wire harness connector 10 can be ensured to be installed in place in the axial direction and the circumferential direction.

Specifically, the outer peripheral surface of the connection portion 11 may have a hexagonal structure, or may have a plurality of prismatic structures such as a triangular structure and a quadrangular structure, and the prisms of the prismatic structures form the auxiliary rotating edges 12.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the clamping portion 21 includes a plurality of ribs, the ribs enclose a semi-annular structure with an opening, a clamping area is formed in the clamping portion 21, the opening is disposed away from the force application portion 22, at least two adjacent ribs are connected to form a shape adapted to the auxiliary rib 12, and the auxiliary rib 12 can be attached to a surface of the rib facing the clamping area.

In this embodiment, the first claw 211 includes a plurality of ribs, and the first claw 211 has a semi-annular structure, when the first claw 211 is engaged with the connecting portion 11, the opening of the first claw 211 faces the connecting portion 11 and moves in a direction close to the connecting portion 11 until the connecting portion 11 enters the engaging region inside the first claw 211 from the opening of the first claw 211, and the first claw 211 is engaged with the connecting portion 11. The second jaw 212 is identical to the first jaw 211.

Through the above-mentioned setting, the joint cooperation of joint portion 21 and connecting portion 11 of being convenient for joint portion 21 and connecting portion 11 cooperation efficiency is higher, and then makes pencil joint 10 and cylinder cap 20 interference fit's efficiency higher.

Specifically, the first claw 211 includes four ribs that are sequentially connected and have the same length, and the connecting portion 11 that corresponds to the hexagonal structure is described along the connection sequence, where a first obtuse angle is formed between the first rib and the second rib, an acute angle or a second obtuse angle is formed between the second rib and the third rib, a third obtuse angle is formed between the third rib and the fourth rib, an angle of the third obtuse angle is the same as that of the first obtuse angle, and the first rib is parallel to the fourth rib.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the auxiliary connection structure 1 further includes a locking member, where the connection portion 11 is connected to the harness connector 10 through the locking member, and the locking member can lock the connection portion 11 and the harness connector 10 in a first direction, where the first direction is a direction in which the connection portion 11 drives the harness connector 10 to move.

In this embodiment, after the wire harness connector 10 is inserted into the accommodating groove 111 of the connecting portion 11, the locking member locks the connecting portion 11 and the wire harness connector 10, when the connecting portion 11 moves in a direction away from the cylinder cover 20, the wire harness connector 10 can be driven to move in the same direction by the action of the locking member, so that the connecting portion 11 is prevented from being separated from the wire harness connector 10 when moving, i.e. the connecting portion 11 is ensured to smoothly drive the wire harness connector 10 to move in a direction away from the cylinder cover 20.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the locking member includes a locking post 13 provided on an inner wall of the receiving groove 111, and the locking post 13 can be screwed into the spiral groove 101 of an outer wall of the wire harness connector 10 and is relatively fixed to the wire harness connector 10 in a first direction.

In this embodiment, according to the structure of the wire harness connector 10 itself, that is, the spiral groove 101 formed on the outer wall of the wire harness connector 10, the locking member is set as the locking post 13, when the accommodating groove 111 aligns to the wire harness connector 10, the locking post 13 aligns to the starting end of the spiral groove 101 on the wire harness connector 10, the connecting portion 11 is moved in a direction close to the cylinder cover 20 (in a direction opposite to the first direction), the locking post 13 enters the spiral groove 101 from the starting end of the spiral groove 101, then the connecting portion 11 is rotated in a second direction, that is, the spiral direction of the spiral groove 101, the locking post 13 moves along the spiral groove 101 until the locking post 13 contacts with the terminating end of the spiral groove 101, the connecting portion 11 and the wire harness connector 10 are locked in the first direction, at this time, the connecting portion 11 is moved in the first direction, the wire harness connector 10 can follow the connecting portion 11, the connecting portion 11 is continuously rotated in the second direction, the connecting portion 11 drives the wire harness connector 10 to rotate in the second direction, the component on the circumference of the wire harness connector 10 aligns to the corresponding position on the cylinder cover 20, that is able to ensure that the wire harness connector 10 is installed in the circumferential direction.

The lock post 13 can enable the connecting portion 11 to be locked with the wire harness connector 10 in the first direction and the second direction according to the structural design of the wire harness connector 10, the locking mode of the connecting portion 11 and the wire harness connector 10 is simple through the lock post 13, the connecting portion 11 can drive the wire harness connector 10 to move in the first direction and simultaneously drive the wire harness connector 10 to rotate in the second direction, and then the wire harness connector 10 can be matched with the cylinder cover 20 in place in the axial direction and the circumferential direction.

Specifically, the second direction is a clockwise or counterclockwise direction along the circumference of the bundle connector 10.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the locking member includes a plurality of locking posts 13 circumferentially spaced along the inner wall of the receiving groove 111.

In this embodiment, each lock column 13 can enter the spiral groove 101 of the wire harness connector 10, when the connecting portion 11 moves in a direction away from the cylinder cover 20, the lock columns 13 jointly generate an acting force to drive the wire harness connector 10 to move in a direction away from the cylinder cover 20, abrasion of the inner wall of the spiral groove 101 of the wire harness connector 10 to the single lock column 13 is reduced, the service life of the single lock column 13 is prolonged, and meanwhile, the stability of the connecting portion 11 driving the wire harness connector 10 to move is enhanced.

Specifically, the lock cylinders 13 are uniformly distributed along the circumferential direction of the inner wall of the accommodation groove 111.

Referring to fig. 1 to 5, in an embodiment of the present utility model, the auxiliary structure 1 further includes a bearing portion connected to the connecting portion 11, where the bearing portion is formed with a bearing surface for the clamping portion 21 to abut against, and the clamping portion 21 can apply pressure to the bearing surface to drive the auxiliary structure 1 to move.

In this embodiment, when the handle section of the second force application handle 222 moves in a direction approaching the handle section of the first force application handle 221, the first claw 211 abuts against the bearing surface, the second claw 212 abuts against the cylinder cover 20, and the bearing surface provides a bearing position for the first claw 211 to enable the first claw 211 to apply a force, so that the first claw 211 can push the bearing part to move in a direction away from the cylinder cover 20, and further drive the connecting part 11 to move in the same direction.

Through the arrangement of the bearing part, the first clamping jaw 211 is prevented from being incapable of acting on the connecting part 11, namely, the first clamping jaw 211 is prevented from being incapable of driving the connecting part 11 to move.

Referring to fig. 1 to 5, in one embodiment of the present utility model, the bearing portion includes an end plate 14 connected to an end of the connection portion 11, the end plate 14 circumferentially protrudes from an outer peripheral edge of the connection portion 11, and a face of the protruding portion of the end plate 14 facing the connection portion 11 forms a bearing face.

In this embodiment, after the connection portion 11 is mated with the wire harness connector 10, the end plate 14 is located at one end of the connection portion 11 away from the wire harness connector 10, and all the circumferential direction of the end plate 14 protrudes from the peripheral edge of the connection portion 11, so as to increase the area of the bearing surface, so that the contact area between the first claw 211 and the end plate 14 is large enough, the acting area of the first claw 211 is increased, and then the acting force of the first claw 211 can be fully acted on the end plate 14, so that the connection portion 11 can be smoothly driven by the first claw 211.

Specifically, the end plate 14 may be a circular plate and coaxial with the connecting portion 11, so that, on one hand, the end plate 14 is convenient to manufacture, and on the other hand, the area of the peripheral edge of the connecting portion 11 protruding circumferentially from the end plate 14 is uniform, that is, the circumferential area of the bearing surface is uniform, so that the effect of the first claw 211 on the end plate 14 is the same no matter in any position in the circumferential direction relative to the end cover. The end plate 14 can be connected with the connecting part 11 to form an integrated structure, the connecting node between the end plate 14 and the connecting part is canceled, and the stability between the end plate 14 and the connecting part is ensured, so that the connecting part 11 can be smoothly driven to move through the end plate 14, and the end plate 14 is prevented from being separated from the connecting part 11 due to overlarge stress.

Specifically, the accommodating groove 111 may be a through hole penetrating through the center of the connecting portion 11 along the axial direction, so as to facilitate the manufacture of the connecting portion 11, and when the accommodating groove 111 is a through hole, the end plate 14 seals one end of the through hole, so that the through hole and the end plate 14 cooperate to form a groove-like structure.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.

Claims (10)

1. An interference fit accessory tool, comprising:

an auxiliary connection structure (1), wherein the auxiliary connection structure (1) is arranged to be capable of being connected with a wire harness connector (10) penetrating through a cylinder cover (20); and

the operation structure (2), operation structure (2) include joint portion (21) and with the application of force portion (22) that joint portion (21) is connected, be formed with on joint portion (21) and be used for supplying joint region that auxiliary connection structure (1) card was gone into, joint portion (21) can pass through joint region with auxiliary connection structure (1) joint cooperation, and pass through application of force portion (22) drive auxiliary connection structure (1) to keeping away from the direction pulling of cylinder cap (20) pencil joint (10), so that pencil joint (10) with cylinder cap (20) interference fit.

2. The interference installation aid according to claim 1, wherein the force application portion (22) comprises a first force application handle (221) and a second force application handle (222) which are pivotally connected to each other, the two handles are in crossed fit to form a clamp-shaped structure, and the clamping portion (21) is connected with the first force application handle (221) and/or the second force application handle (222).

3. The interference installation aid according to claim 2, wherein the clamping portion (21) comprises a first jaw (211) and a second jaw (212), the first jaw (211) being connected with an end of the first forcing handle (221), the second jaw (212) being connected with an end of the second forcing handle (222).

4. An interference fit attachment aid according to any one of claims 1 to 3, characterized in that the attachment structure (1) comprises a connection portion (11), which connection portion (11) can be snapped into the snap-fit area and into snap-fit engagement with the snap-fit portion (21).

5. The interference installation auxiliary tool according to claim 4, wherein the connecting portion (11) is provided with a receiving groove (111) into which an end portion of the harness connector (10) is inserted; and/or the number of the groups of groups,

the auxiliary connection structure (1) further comprises an auxiliary rotating edge (12) arranged on the outer peripheral surface of the connecting portion (11), the clamping area is matched with the outer peripheral outline of the connecting portion (11), when the connecting portion (11) is clamped into the clamping area, the auxiliary rotating edge (12) is attached to the clamping portion (21), and the connecting portion (11) can rotate under the driving of the clamping portion (21) through the auxiliary rotating edge (12).

6. The interference fit attachment aid according to claim 5, characterized in that, when the auxiliary connection structure (1) comprises the auxiliary swivel edge (12), the clamping portion comprises a plurality of ribs, the ribs enclose a semi-annular structure with an opening, the clamping portion is internally provided with the clamping area, the opening is arranged away from the force application portion, at least two adjacent ribs are connected to form a shape adapted to the auxiliary swivel edge (12), and the auxiliary swivel edge (12) can be attached to one face of the rib facing the clamping area; and/or the number of the groups of groups,

the auxiliary connecting structure (1) further comprises a locking piece, the connecting portion (11) is connected with the wire harness connector (10) through the locking piece, the locking piece can lock the connecting portion (11) and the wire harness connector (10) in a first direction, and the first direction is a direction in which the connecting portion (11) drives the wire harness connector (10) to move.

7. The interference fit attachment aid according to claim 6, characterized in that when the attachment structure (1) comprises the locking element, the locking element comprises a locking post (13) arranged on the inner wall of the receiving groove (111), the locking post (13) being screwed into a spiral groove (101) of the outer wall of the wire harness connector (10) and being fixed relative to the wire harness connector (10) in the first direction.

8. The interference installation aid according to claim 7, wherein the locking member comprises a plurality of the lock cylinders (13) circumferentially spaced along an inner wall of the receiving groove (111).

9. The interference installation aid according to claim 4, wherein the auxiliary structure (1) further comprises a bearing part connected with the connecting part (11), the bearing part is formed with a bearing surface for the clamping part (21) to abut against, and the clamping part (21) can apply pressure to the bearing surface to drive the auxiliary structure (1) to move.

10. The interference installation aid according to claim 9, wherein the bearing portion comprises an end plate (14) connected to an end of the connecting portion (11), the end plate (14) circumferentially protruding an outer circumferential edge of the connecting portion (11), a face of the protruding portion of the end plate (14) facing the connecting portion (11) forming the bearing face.