CN218351768U - Cylinder piece and engine are worn to pencil - Google Patents

Abstract

The application discloses a wire harness cylinder penetrating piece and an engine, wherein the wire harness cylinder penetrating piece comprises a shell and a terminal arranged in the shell, and two ends of the terminal are respectively used for connecting a first wire and a second wire; the shell is characterized by further comprising a locking structure, wherein the locking structure can be inserted into the shell, at least part of the outer peripheral wall of the locking structure is provided with barbs, the inner peripheral wall of the shell is provided with clamping grooves, and the barbs are clamped into the clamping grooves; an end of the locking structure abuts against the terminal in a direction of insertion into the housing. In this application scheme, the terminal is supported to the tip of locking structure along the direction of inserting the casing, can play spacing effect to the terminal like this, prevents that the terminal from following this one side drunkenness of axial to locking structure. The risk that this locking structure reducible fracture became invalid reduces spare part quantity simultaneously, improves assembly efficiency.

Description

Cylinder piece and engine are worn to pencil

Technical Field

The utility model relates to a vehicle accessory technical field, concretely relates to cylinder spare and engine are worn to pencil.

Background

The terminal is arranged in the shell of the wire harness penetrating cylinder piece and used for connecting a wire in the cylinder and a wire outside the cylinder, the shell is provided with a rear cover towards one end in the cylinder, and the wire in the shell penetrates out of the rear cover. The pencil wears jar piece and still includes the locking cardboard, and the locking cardboard sets up the through-hole including the jack catch, the perisporium of casing, and the jack catch stretches into in the casing through the through-hole from the casing outside, and the terminal can be carried to the jack catch to the direction of restricting the terminal to the back lid leaps up and moves. The locking cardboard is easy to break and fail, and the number of parts of the wire harness cylinder penetrating piece is large, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

The application provides a wire harness cylinder penetrating piece which comprises a shell and a terminal arranged in the shell, wherein two ends of the terminal are respectively used for connecting a first wire and a second wire; the shell is characterized by further comprising a locking structure, wherein the locking structure can be inserted into the shell, barbs are arranged on at least part of the outer peripheral wall of the locking structure, clamping grooves are formed in the inner peripheral wall of the shell, and the barbs are clamped into the clamping grooves; an end of the latch structure abuts against the terminal in a direction of insertion into the housing.

In one embodiment, a portion of the outer peripheral wall of the locking structure has a clearance with the inner peripheral wall of the housing.

In a specific embodiment, the peripheral wall of the locking structure comprises two arc-shaped walls which are oppositely arranged, and the two arc-shaped walls are provided with the barbs; the locking structure further comprises two straight walls which are oppositely arranged, the two straight walls are located between the two arc-shaped walls and are connected with the two arc-shaped walls so as to enclose and form the outer peripheral wall of the locking structure; the arc wall with the internal perisporium of casing matches, two straight wall with the internal perisporium of casing has the clearance.

In one embodiment, the material of the locking structure is polyamide 66 with 25% glass fiber.

In one specific embodiment, the locking structure has a through hole for the second lead to pass through; the peripheral wall of the terminal is provided with an annular convex shoulder, and the end part of the locking structure abuts against one end face of the annular convex shoulder; one end of the terminal is inserted into the through hole.

In one embodiment, the second wire is an anti-siphon wire.

In one embodiment, the inner peripheral wall of the housing is provided with a step which abuts against the other end face of the annular shoulder in a direction opposite to the insertion direction of the locking structure.

In a specific embodiment, the inner peripheral wall of the housing is provided with a step which abuts against the terminal in a direction opposite to the insertion direction of the locking structure.

In one embodiment, the housing is a plastic housing.

The application also provides an engine, which comprises a cylinder body, wherein the cylinder body is provided with the wire harness penetration cylinder piece.

In this application scheme, the tip of locking structure leans on the terminal along the direction of inserting the casing, can play spacing effect to the terminal like this, prevents that the terminal from following this one side drunkenness of axial to locking structure. Compared with the background art, the locking structure can reduce the risk of fracture failure, and the locking structure simultaneously plays the functions of the rear cover and the locking, so that the number of parts is reduced, and the assembly efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a wire harness cylinder penetrating member according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the first conductive line, the second conductive line, the terminal and the locking structure of FIG. 1;

FIG. 4 is a schematic view of the locking structure of FIG. 3;

FIG. 5 is a schematic view of the locking structure of FIG. 4 from another perspective;

FIG. 6 is a cross-sectional view of the wire harness routing cylinder of FIG. 1, shown without the housing portion above the mounting plate;

fig. 7 is an enlarged view of the abutting position of the terminal and the locking structure in fig. 6;

FIG. 8 is a bottom view of one end of the locking structure of FIG. 1;

fig. 9 is a schematic view of the non-installed locking structure of fig. 8.

The reference numerals in fig. 1-9 are as follows:

1-a shell; 11-an outer section of the housing; 12-mounting a disc; 12 a-mounting holes; 13-a shell inner section; 13 a-a jack; 13 b-a card slot; 131-step;

2-inner sealing ring;

3-a locking structure; 31-a first flat wall; 32-a second straight wall; 33-a first curved wall; 34-a second arcuate wall; 3 a-a via; 3 b-barbs;

4-a first wire;

5-a second wire;

6, an outer sealing ring;

7-a terminal; 71-an annular shoulder;

8-a liner.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, fig. 1 is a schematic structural view of a wire harness cylinder penetrating member according to an embodiment of the present disclosure; FIG. 2 is a schematic view from another perspective of FIG. 1; fig. 3 is a schematic view of the first conductive wire 4, the second conductive wire 5, the terminal 7 and the locking structure 3 in fig. 1.

The wire harness cylinder penetrating piece in the embodiment can be installed in an installation hole of a cylinder body of an engine, the wire harness cylinder penetrating piece specifically comprises a shell 1, a sealing part is sleeved on the outer peripheral wall of the shell 1, the sealing part is an outer sealing ring 6 shown in fig. 1 for example, and the outer sealing ring 6 is extruded between the outer peripheral wall of the shell 1 and the hole wall of the installation hole of the cylinder body after assembly, so that the shell 1 and the cylinder body can be sealed, and a medium (oil for example) is prevented from leaking from the hole wall of the installation hole of the cylinder body and the shell 1.

The housing 1 may be made of plastic, the outer peripheral wall of the housing may extend radially to form a mounting plate 12, the mounting plate 12 may abut against the end wall of the cylinder block, a portion of the mounting plate 12 continues to extend radially to form an extension, the mounting plate 12 in fig. 1 is similar to a cam, the extension is provided with a mounting hole 12a, a bushing 8 may be press-fitted and nested in the mounting hole 3a, the bushing 8 may be made of metal, such as steel, and may be fixed to the cylinder block of the engine by inserting a fastener into the bushing 8, so as to prevent the fastener from damaging the housing 1 made of plastic when the fastener is fastened. It can be seen that the housing 1 is divided into two parts along the axial direction of the housing 1, one part is located inside the cylinder and can be defined as the housing inner section 13, and the other part is located outside the cylinder and can be defined as the housing outer section 11, with the mounting plate 12 as the boundary.

The pencil wears jar piece and mainly realizes that the inside and outside circuit of cylinder body switches on, and in fig. 1, 1 inside terminal 7 that sets up of casing, 1 inside can set up the spliced eye of casing, and terminal 7 inserts in the spliced eye, and the periphery wall of terminal 7 can overlap and be equipped with inner seal ring 2 for contradict with the pore wall of spliced eye and seal, in order to prevent the dielectric leakage. The both ends of terminal 7 are used for connecting first wire 4 and second wire 5 respectively, and wherein first wire 4 wears out to the outside of cylinder body from the tip of casing outer section 11, and second wire 5 wears out from the tip of casing inner section 12, is located the inside of cylinder body, and second wire 5 can be high temperature resistant wire to the inside operational environment of adaptation cylinder body, and first wire 4 can be conventional ordinary wire, does not need high temperature resistant, and the wire of two kinds of performance requirements inside and outside like this passes through terminal 4 realization connection in the casing 1.

Continuing to refer to FIG. 3, and as will be appreciated in conjunction with FIGS. 4-7, FIG. 4 is a schematic view of the locking structure 3 of FIG. 3; FIG. 5 is a schematic view of the locking structure 3 in FIG. 4 from another perspective; FIG. 6 is a cross-sectional view of the wire harness routing cylinder of FIG. 1, without showing the portion of the housing 1 above the mounting plate 12; fig. 7 is an enlarged view of the abutting position of the terminal 7 and the locking structure 3 in fig. 6.

It is worth noting that the wire harness cylinder penetrating piece in the embodiment further comprises a locking structure 3, the locking structure 3 can be inserted into the shell 1, an inner cavity of the shell inner section 13 of the shell 1 is an insertion hole 13a, and at least part of the outer peripheral wall of the locking structure 3 is provided with barbs 3b. In this embodiment, it is defined that the directions of the first conducting wire 4 and the second conducting wire 5 in the housing 1 are axial, the first conducting wire 4 extends out to the end of the housing outer section 11 along the axial direction, the first conducting wire 4 can be sleeved with a waterproof plug to prevent external moisture from entering the interior, the second conducting wire 5 extends out to the end of the housing inner section 13 along the axial direction, the locking structure 3 is also inserted into the housing 1 along the axial direction, the direction toward the housing outer section 11 in the axial direction is axially outward, and the direction toward the housing inner section 11 in the axial direction is axially inward, in fig. 6, the insertion direction is axially outward, and in addition, the peripheral wall of the housing 1 and the peripheral wall of the locking structure 3 are walls surrounding the axial direction.

Referring to fig. 4 and 5, a plurality of barbs 3b are axially distributed on the locking structure 3, a plurality of corresponding slots 13b are formed in the inner peripheral wall of the housing 1, and the barbs 3b can be inserted into the slots 13 b. The barb 3b "fall" is relative barb 3 b's the direction of insertion, and barb 3 b's the incline direction is opposite with the direction of insertion promptly, and the one end that barb 3b and locking structure 3's body meet is the root, and the other end is the free end, is the incline direction by the root to the extending direction of free end, and in fig. 7, barb 3b is the downward sloping by the root to the direction of free end slope, and the direction slope is to keeping away from terminal 7 promptly, and locking structure 3 is upwards to insert casing 1. So set up, after locking structure 3 inserted in casing 1 to the direction that is close to terminal 7, barb 3b can be blocked correspondingly in the draw-in groove 13b of casing 1 internal perisporium, and locking structure 3 is difficult for breaking away from casing 1. Set up a plurality of barbs 3b in this embodiment, it is more reliable to make the effect of anticreep like this, obviously sets up one or more barbs 3b all can, and the quantity of draw-in groove 13b matches with it can.

Referring to fig. 7 again, the end of the locking structure 3 abuts against the terminal 7 in the direction of inserting into the housing 1 (i.e. upward direction in fig. 7), so that the terminal 7 can be restrained, and the terminal 7 is prevented from moving axially to the side of the locking structure 3, i.e. the terminal 7 is prevented from moving into the cylinder, although the restrained movement is not required to reach zero movement, but is limited to a smaller range. Compared with the prior art, the locking structure 3 in this embodiment can reduce the risk of fracture failure, and at the same time, reduce the number of parts and improve the assembly efficiency.

In particular, as shown in fig. 7, the peripheral wall of the terminal 7 is provided with an annular shoulder 71, the end of the detent 3 abutting in particular against the annular shoulder 71. Locking structure 3 sets up through-hole 3a for supply second wire 5 to wear out, and first wire 4 and second wire 5 are two in this embodiment, and locking structure 3 sets up two through-holes 3a correspondingly, supplies the coaxial setting of terminal 7 male spliced eye in two through-holes 3a and the casing 1. The end of the terminal 7 close to the locking structure 3 is inserted into the through hole 3a, and the position where the second lead 5 and the terminal 4 are connected is located in the through hole 3a, so that the terminal 7 can be radially limited, and the limitation is more reliable.

As shown in fig. 6 and 7, in the present embodiment, the inner circumferential wall of the housing 1 is further provided with a step 131, and the step 131 also abuts against the annular shoulder 71, i.e. the annular shoulder 71 is located between the step 131 and the end of the locking structure 3, so that the terminal 7 is axially limited, and the terminal 7 can neither be moved along the axial direction towards the inside of the cylinder body nor moved towards the outside of the cylinder body. It can be known that, the terminal 7 is limited by the locking structure 3 axially inwards, and the axially outwards is not limited to the limitation achieved by providing the step 131, for example, the locking structure is also provided, and naturally, the installation and positioning of the terminal 7 are simple because the step 131 is provided for limitation here. In this embodiment, the locking structure 3 is disposed in the housing inner section 13 of the housing 1, and the step surface of the step 13 faces the locking structure 3, and it can be seen that the locking structure 3 is disposed in the housing outer section 11, and the step surface may face the direction opposite to that shown in fig. 7, and the locking structure may be designed according to the specific arrangement structure of the wire harness cylinder penetrating member.

In addition, a gap may be provided between a part of the outer peripheral wall of the locking structure 3 and the inner peripheral wall of the housing 1, so that it is convenient for the manual or the tool to be detached to extend into the gap to overcome the clamping force of the barb 3b.

In order to facilitate the detachment of the locking structure 3 from the housing 1, the locking structure 3 may be made of a material having certain flexibility and toughness, for example, PA66+ GF25, PA66 is polyamide 66 or nylon 66, and 25% of glass fiber is added to gf25, and the material enables the locking structure 3 to have certain toughness and flexibility, which not only satisfies the locking limit of the terminal 7, but also has certain deformability, so that the barb 3b can be compressed under the action of the inner peripheral wall of the housing 1 when the housing 1 is inserted, and then released at the position of the slot 13b to be clamped into the slot 13b, and when the housing is detached, the locking structure 3 can be pulled out after a necessary pulling force is applied.

The specific manner of forming the gap in the present embodiment can be understood by referring to fig. 8 and 9, wherein fig. 8 is a bottom view of one end of fig. 1 where the locking structure 3 is installed; fig. 9 is a schematic view of fig. 8 without the locking structure 3 installed.

The outer peripheral wall of the locking structure 3 comprises two arc-shaped walls which are oppositely arranged, namely a first arc-shaped wall 33 and a second arc-shaped wall 34, and barbs 3b are arranged on the two arc-shaped walls; locking structure 3 is still including two flat walls of relative setting, and the difference is first flat wall 31 and second flat wall 32, and two flat walls are located between two arc walls to connect two arc walls, two flat walls and two arc walls enclose the periphery wall that closes formation locking structure 3. As shown in fig. 1 and 9, the inner peripheral wall of the insertion hole 13a of the housing 1 also has two arc-shaped walls arranged oppositely, the locking groove 13b is arranged on the two arc-shaped walls of the housing 1, the two arc-shaped walls of the housing 1 and the two arc-shaped walls of the locking structure 3 are matched, i.e. the arc-shaped walls of the two arc-shaped walls are attached to each other, and the radial dimension of the arc-shaped wall of the locking structure 3 is slightly larger than that of the arc-shaped wall of the housing 1, so that the barb 3b can be inserted into the locking groove 13 b. In addition, the first flat wall 31 and the second flat wall 32 have a clearance with the inner peripheral wall of the housing 1, in fig. 9, the inner peripheral wall of the housing 1 also includes two flat walls between the arc walls, the first flat wall 31 forms a first clearance a with the inner peripheral wall of the housing 1, and the second flat wall 32 forms a second clearance b with the inner peripheral wall of the housing 1, it is understood that the housing 1 is not limited to this arrangement, for example, the insertion hole 13a of the housing 1 may be a complete circular hole.

In the above embodiment, the second wire 5 may be an existing anti-siphon wire, and on the premise that the second wire 5 meets the requirement of high temperature in the cylinder, the siphon effect is blocked, and sealing is achieved from the root.

The embodiment also provides an engine, which comprises a cylinder body, wherein the cylinder body is provided with the wire harness penetrating piece in the embodiment, and the technical effects are the same as those of the embodiment.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims (9)

1. The wire harness cylinder penetrating piece is characterized by comprising a shell and a terminal arranged in the shell, wherein two ends of the terminal are respectively used for connecting a first wire and a second wire; the shell is characterized by further comprising a locking structure, wherein the locking structure can be inserted into the shell, at least part of the outer peripheral wall of the locking structure is provided with barbs, the inner peripheral wall of the shell is provided with clamping grooves, and the barbs are clamped into the clamping grooves; an end of the locking structure abuts against the terminal in a direction of insertion into the housing.

2. The wire harness cylinder block according to claim 1, wherein a part of an outer peripheral wall of the lock structure has a clearance from an inner peripheral wall of the housing.

3. The wire harness cylinder penetrating member according to claim 2, wherein the outer peripheral wall of the locking structure comprises two arc-shaped walls which are oppositely arranged, and the two arc-shaped walls are provided with the barbs; the locking structure further comprises two straight walls which are oppositely arranged, the two straight walls are located between the two arc-shaped walls and are connected with the two arc-shaped walls so as to enclose and form the outer peripheral wall of the locking structure; the arc wall with the internal perisporium of casing matches, two straight wall with the internal perisporium of casing has the clearance.

4. The wire harness cylinder penetrating member according to claim 1, wherein the locking structure is provided with a through hole for the second lead to pass through; the peripheral wall of the terminal is provided with an annular shoulder, and the end of the locking structure abuts against one end face of the annular shoulder; one end of the terminal is inserted into the through hole.

5. The wire harness cylinder-penetrating member according to claim 4, wherein the second lead is an anti-siphon lead.

6. The wire harness cylinder-piercing member according to claim 4, wherein an inner peripheral wall of the housing is provided with a step which abuts against the other end surface of the annular shoulder in a direction opposite to the insertion direction of the locking structure.

7. The wire harness cylinder piercing member according to any one of claims 1 to 5, wherein an inner peripheral wall of the housing is provided with a step that abuts against the terminal in a direction opposite to the locking structure insertion direction.

8. The wire harness cylinder feedthrough according to any one of claims 1-5, wherein the housing is a plastic housing.

9. An engine comprising a block, characterized in that the block is provided with the wire harness penetration member according to any one of claims 1 to 8.

Images