CN217934309U

CN217934309U - Wire harness terminal protective shell

Info

Publication number: CN217934309U
Application number: CN202222344570.5U
Authority: CN
Inventors: 马国芳; 王毅
Original assignee: Mind Electronics Appliance Co Ltd
Current assignee: Mind Electronics Appliance Co Ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-11-29
Anticipated expiration: 2032-09-02

Abstract

The utility model provides a wire harness terminal protective shell, which comprises a body, a buckling seat and a top cover, wherein the body comprises an installation sleeve and a guide seat; the buckling seat is arranged on the other side of the terminal in a surrounding mode and can be matched with the guide seat to form a through cavity; the top cap is connected above the mounting sleeve. The utility model provides a pencil terminal protective case, the installation cover of body is used for the periphery at the matching end of cover, the cavity that runs through that synthetic confession terminal passes through is enclosed jointly to guide holder and cooperation seat, so that carry out the position to the terminal and prescribe a limit to, and then restraint the line direction of walking of pencil, avoid the terminal to appear rustting phenomenon by external environment influence, the top cap that sets up on the installation cover can shelter from the protection to the matching end, be convenient for realize carrying out the electrical isolation, play insulating action, it can dismantle with the installation cover and be connected to improve the security performance top cap, the setting of being connected can be dismantled to guide holder and lock seat, be convenient for relapse dismouting pencil terminal protective case, the follow-up maintenance has been made things convenient for, and can realize the used repeatedly of pencil terminal protective case.

Description

Wire harness terminal protective shell

Technical Field

The utility model belongs to the technical field of the terminal protection, more specifically say, relate to a pencil terminal protective housing.

Background

With the configuration of electric vehicles and hybrid vehicles and the continuous improvement of endurance mileage, the wire harness is used as a nervous system of the vehicle, and the current passing through the wire harness is larger and larger. The negative grounding wire harness gradually adopts a large square wire, and is fastened on a metal part by using a bolt after being pressed and connected with a large metal terminal.

In the prior art, most metal terminals adopt a mode of coating anti-rust oil after being installed to prevent the terminal from being rusted due to long-term immersion of water or sludge, but the protection effect of the mode is extremely poor, and the problem of short circuit is easy to occur.

At present, the protection is carried out by arranging a rubber cap outside the terminal, the protection effect is improved, but the problems that the rubber cap is not installed in place and is not aligned after installation easily occur, and the trend of the wire harness cannot be restrained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pencil terminal protecting shell can effectively protect the terminal, realizes guide and the restraint to the pencil trend.

In order to achieve the purpose, the utility model adopts the technical proposal that: provided is a wire harness terminal sheath, including:

the body comprises a mounting sleeve sleeved on the periphery of the matching end and a guide seat which is arranged on one side of the terminal in a surrounding manner and is connected with the mounting sleeve;

the buckling seat is arranged on the other side of the terminal in a surrounding manner and is detachably connected with the guide seat, and the buckling seat can be matched with the guide seat to form a through cavity for the terminal to penetrate through and limit the terminal;

the top cap is connected above the mounting sleeve and used for plugging the upper opening of the mounting sleeve so as to shield the matching end.

In a possible implementation manner, a first limiting rib capable of contacting with the peripheral wall of the terminal is arranged on the inner wall of the guide seat, and a second limiting rib capable of contacting with the peripheral wall of the terminal is arranged on the inner wall of the buckling seat.

In some embodiments, the first limiting rib and the second limiting rib are both arranged perpendicular to the penetrating direction of the through cavity.

In a possible implementation manner, the guiding seat includes two first side plates respectively disposed near two side edges of the guiding seat and extending to a side far away from the mounting sleeve, the fastening seat includes two second side plates respectively disposed near two side edges of the guiding seat and extending to a side near the guiding seat, and the second side plates are disposed in one-to-one correspondence with the first side plates and connected to each other through the fastening structure.

In some embodiments, the snap-fit structure comprises:

the clamping protrusion is arranged on the outer side face of the first side plate or the second side plate;

the clamping lug is arranged on the outer edge of the second side plate or the first side plate, and a clamping groove which is internally and externally penetrated to be clamped and matched with the clamping protrusion is formed in the clamping lug.

In a possible implementation mode, the installation sleeve is connected with the guide seat through a transition plate, and a clamping jaw which extends downwards and is in clamping fit with an extension arm of the terminal is arranged on the bottom surface of the transition plate.

In some embodiments, the bottom surface of the transition plate is provided with a limiting rib plate which extends downwards and is in butt contact with the extension arm of the terminal, and the clamping jaw protrudes downwards from the limiting rib plate.

In some embodiments, the bottom of the fastening seat is further provided with a baffle plate, and the baffle plate extends to a side close to the guide seat to shield the bottom of the terminal.

In some embodiments, the mounting sleeve, the transition plate and the guide seat are integrally formed, and the through direction of the mounting sleeve is the same as the extending direction of the guide seat.

In a possible implementation manner, the peripheral wall of the mounting sleeve is connected with the peripheral wall of the top cover through a connecting strip, and the side wall of the guide seat is connected with the side wall of the buckling seat through a connecting strip.

The shown scheme of this application embodiment, compared with the prior art, the pencil terminal protective housing that this application embodiment provided, the installation cover of body is used for the cover in the periphery that matches the end, the through cavity that synthetic confession terminal passes through is enclosed jointly to guide holder and cooperation seat, so that carry out the position to the terminal and prescribe a limit to, and then retrain the line direction of walking of pencil, avoid the terminal to receive external environment to influence the phenomenon of rustting appearing, the top cap that sets up on the installation cover can shelter from the protection to matching the end, be convenient for realize carrying out the electrical isolation, play insulating effect, it can dismantle with the installation cover and be connected to improve the security performance top cap, the setting of connection can be dismantled to guide holder and lock seat, be convenient for dismantle pencil terminal protective housing repeatedly, subsequent maintenance has been made things convenient for, and can realize the used repeatedly of pencil terminal protective housing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural view of a wire harness terminal protective shell provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle of the wire harness terminal protection shell provided in fig. 1 according to the embodiment of the present invention;

fig. 3 is an exploded schematic view of the wire harness terminal protective case provided in fig. 1 according to the embodiment of the present invention;

fig. 4 is a schematic structural view of another angle of the body provided in fig. 1 of the present invention.

Wherein, in the figures, the various reference numbers:

1. installing a sleeve; 11. a transition plate; 12. a claw; 13. a limiting rib plate; 2. a guide seat; 21. a first side plate; 22. a first limiting rib; 3. a buckling seat; 31. a second side plate; 32. a second limiting rib; 33. a baffle plate; 4. a top cover; 5. a clamping structure 5; 51. clamping the protrusions; 52. clamping the lug; 53. a card slot; 54. a connecting strip; 61. a terminal; 62. a matching end; 63. an extension arm.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4 together, a description will now be given of a wire harness terminal protective case provided by the present invention. The wire harness terminal protective shell comprises a body, a buckling seat 3 and a top cover 4, wherein the body comprises an installation sleeve 1 sleeved on the periphery of the matching end 62 and a guide seat 2 which is arranged on one side of the terminal 61 in a surrounding mode and connected with the installation sleeve 1; the buckling base 3 is arranged on the other side of the terminal 61 in a surrounding mode and is detachably connected with the guide base 2, and the buckling base 3 can be matched with the guide base 2 to form a through cavity for the terminal 61 to penetrate through and limit the terminal 61; the top cover 4 is connected above the mounting sleeve 1 and used for sealing the upper opening of the mounting sleeve 1 to shield the matching end 62.

The pencil terminal protective case that this embodiment provided, compared with the prior art, the pencil terminal protective case that this embodiment provided, the installation cover 1 of body is used for the cover to match the periphery of end 62, guide holder 2 and cooperation seat enclose the synthetic chamber that link up that supplies terminal 61 to pass through jointly, so that carry out the position to terminal 61 and prescribe a limit to, and then retrain the line direction of walking of pencil, avoid terminal 61 to receive external environment to influence the phenomenon of rustting appearing, top cap 4 that sets up on the installation cover 1 can shelter from the protection to matching end 62, be convenient for realize carrying out the electrical isolation, play the insulating action, improve security performance top cap 4 and installation cover 1 can dismantle the connection, guide holder 2 and lock seat 3 can dismantle the setting of being connected, be convenient for dismantle pencil terminal protective case repeatedly, subsequent maintenance has been made things convenient for, and the recycle that can realize pencil terminal protective case.

In this embodiment, the terminal structure has a matching end 62 connected to the power supply and a terminal 61 connected to the wire harness, the matching end 62 and the terminal 61 are connected through an extension arm 63, the matching end 62 is provided with a bolt and a nut connected to the power supply, reliability of connection to the power supply is ensured, and the terminal 61 is extended outward and connected to the wire harness. Above-mentioned pencil terminal protective case can protect terminal 61, match end 62 and bolt and nut comprehensively, plays dustproof, waterproof, isolation electric shock short circuit, reduces the rusty effect of terminal structure.

In some possible implementations, the characteristic guide seat 2 and the snap seat 3 adopt the structure shown in fig. 3. Referring to fig. 3, a first limiting rib 22 capable of contacting with the outer circumferential wall of the terminal 61 is disposed on the inner wall of the guide holder 2, and a second limiting rib 32 capable of contacting with the outer circumferential wall of the terminal 61 is disposed on the inner wall of the buckling holder 3.

On the basis that terminal 61 is held in utilizing guide holder 2 and the mutual cooperation of lock seat 3, still set up first spacing muscle 22 on guide holder 2, set up the spacing muscle 32 of second on lock seat 3, the two contacts with the butt of terminal 61 periphery wall respectively, realizes effectively injecing terminal 61 position, surrounds terminal 61 in the cavity that link up, has guaranteed the guard action to terminal 61, realizes the guide to the pencil line direction of walking.

In this embodiment, on utilizing first spacing muscle 22 and the spacing basis of second 32 to carry out spacing to terminal 61, the extending direction of first spacing muscle 22 and the spacing muscle of second 32 all is perpendicular to the direction of running through that link up the chamber, namely sets up along the extending direction of perpendicular to terminal 61, can realize reliable spacing to the periphery wall of terminal 61 with the periphery wall direct contact of terminal 61.

In some possible implementations, the characteristic guide seat 2 adopts the structure shown in fig. 3 and 4. Referring to fig. 3 and 4, the guiding base 2 includes two first side plates 21 respectively close to the two side edges thereof and extending to one side far away from the mounting sleeve 1, the buckling base 3 includes two second side plates 31 respectively close to the two side edges thereof and extending to one side close to the guiding base 2, and the second side plates 31 are arranged in one-to-one correspondence with the first side plates 21 and connected through the clamping structure 5.

In this embodiment, the first side plate 21 and the second side plate 31 can be detachably connected through the clamping structure 5, so that the relative positions of the guiding seat 2 and the fastening seat 3 are effectively limited, the terminal 61 is effectively protected from the periphery, and meanwhile, the wiring direction of the wiring harness connected to the terminal 61 is guided.

On this basis, also can set up above-mentioned joint structure 5 between top cap 4 and the installation cover 1 to guarantee the reliability of connecting between the two, make things convenient for the dismantlement between the two.

In some embodiments, the above-described characteristic snap structure 5 may be configured as shown in fig. 2 to 3. Referring to fig. 2 to 3, the clamping structure 5 includes a clamping protrusion 51 and a clamping lug 52, the clamping protrusion 51 is disposed on an outer side surface of the first side plate 21 or the second side plate 31; the clamping lug 52 is disposed on the outer edge of the second side plate 31 or the first side plate 21, and a clamping groove 53 is disposed on the clamping lug 52 and penetrates through the clamping lug to be clamped with the clamping protrusion 51.

In this embodiment, the locking structure 5 is formed by locking and matching the locking protrusion 51 and the locking groove 53. In order to facilitate the arrangement of the clamping groove 53, a clamping lug 52 is arranged at an edge position of the first side plate 21 or the second side plate 31, and the clamping groove 53 is arranged on the clamping lug 52 to facilitate the connection with the clamping protrusion 51.

Specifically, a clamping protrusion 51 may be disposed on an outer side wall of the first side plate 21, and correspondingly, a clamping lug 52 may be disposed on an outer side wall of the second side plate 31; the outer side wall of the second side plate 31 can be provided with a clamping protrusion 51, correspondingly, the outer side wall of the first side plate 21 is provided with a clamping lug 52, and the guide seat 2 and the buckling seat 3 can be effectively connected.

On this basis, for the example that the clamping protrusion 51 is disposed on the outer side wall of the first side plate 21 and the clamping lug 52 is disposed on the outer side wall of the second side plate 31, the clamping lug 52 is disposed near the outer side wall of the second side plate 31, so as to form the effect of cladding on the outside of the clamping head.

At least one clamping structure 5 is arranged between the guide seat 2 and the buckling seat 3, and the number of the clamping structures 5 is set according to the extension length of the terminal 61. In this embodiment, two clamping structures 5 are disposed near the upper portion and the lower portion of the guiding seat 2 and the fastening seat 3, respectively.

In some possible implementations, the above-mentioned features of the mounting sleeve 1 and the guide seat 2 are configured as shown in fig. 3 to 4. Referring to fig. 3 to 4, the mounting sleeve 1 and the guide base 2 are connected by a transition plate 11, and a jaw 12 extending downward and engaged with an extension arm 63 of the terminal 61 is provided on a bottom surface of the transition plate 11.

In this embodiment, since the matching end 62 and the terminal 61 are connected by the extension arm 63, corresponding to the structure, the transition plate 11 is disposed between the mounting sleeve 1 and the guide seat 2, the clamping jaw 12 on the transition plate 11 extends towards the lower part of the extension arm 63 and is clamped on the bottom surface of the extension arm 63, the extension arm 63 is reliably limited above the transition plate 11, the stability of the relative position between the two is maintained, on the basis, the relative positions of the guide seat 2 and the terminal 61 and the positions of the mounting sleeve 1 and the matching end 62 are relatively stable, and the effect of fixing the body on the terminal structure is achieved.

In some embodiments, the above-described feature transition plate 11 may be configured as shown in fig. 4. Referring to fig. 4, the bottom surface of the transition plate 11 is provided with a limiting rib plate 13 which extends downward and is in contact with the extension arm 63 of the terminal 61, and the claw 12 protrudes downward from the limiting rib plate 13.

In this embodiment, after the lead frame and the terminal 61 are positioned relatively and the mounting sleeve 1 and the matching end 62 are positioned relatively, a gap in the upper direction exists between the transition plate 11 and the extension arm 63 of the terminal 61, the gap is compensated by arranging the limiting rib plate 13 on the bottom surface of the transition plate 11, so that the lower edge of the limiting rib plate 13 is effectively attached to the top surface of the extension arm 63, the clamping jaw 12 is clamped on the bottom surface of the extension arm 63, finally, the relative position of the transition plate 11 and the extension arm 63 is fixed, and the reliability in the body mounting process is improved.

In some embodiments, the characteristic fastener seat 3 may adopt a structure as shown in fig. 2. Referring to fig. 2, a baffle 33 is further disposed at the bottom of the fastening seat 3, and the baffle 33 extends to a side close to the guide seat 2 to shield the bottom of the terminal 61.

In this embodiment, the terminal 61 is connected at the lateral part of matching the end 62 through the extension arm 63, and the bottom of the terminal 61 can be sheltered from with the help of the baffle 33 at the bottom of the buckling seat 3, so that the water and dust at the bottom are prevented from entering the through cavity, and the protection effect on the terminal 61 is realized.

Specifically, the baffle 33 may extend to a position proximate to the extension arm 63. Meanwhile, in the up-down direction, there is a small gap between the baffle 33 and the bottom surface of the extension arm 63, so as to achieve a good protection effect.

In some embodiments, referring to fig. 4, the mounting sleeve 1, the transition plate 11 and the guide seat 2 are integrally formed, and the through direction of the mounting sleeve 1 is the same as the extending direction of the guide seat 2.

In this embodiment, since the axial direction of the mating end 62 is parallel to the extending direction of the terminal 61, the penetrating direction of the through cavity is the same as the extending direction of the terminal 61, and correspondingly, the penetrating direction of the mounting sleeve 1 is the same as the extending direction of the guide holder 2, thereby ensuring that the relative positions of the terminal 61 and the mating end 62 are accurate.

Specifically, the installation sleeve 1, the transition plate 11 and the guide seat 2 are integrally formed, so that the processing of components is facilitated, the processing difficulty is reduced, meanwhile, the material can be saved, and most importantly, the overall structural strength of the body can be effectively guaranteed, and the good protection effect is protected.

In some possible implementations, the peripheral wall of the mounting sleeve 1 is connected to the peripheral wall of the top cover 4 through a connecting strip 54, and the side wall of the guide seat 2 is connected to the side wall of the buckling seat 3 through a connecting strip 54.

In this embodiment, can dismantle between installation cover 1 and the top cap 4 and be connected, in order to avoid the loss of top cap 4, pass through the connecting strip 54 with the periphery wall of top cap 4 periphery wall and positioning seat and link to each other, the connecting strip 54 can adopt flexible materials preparation such as rubber, silica gel or nylon to form, has good bending performance, can take place to warp along with the position transform of top cap 4, the effectual loss of avoiding top cap 4.

Similarly, in order to avoid the problem that the locking seat 3 is lost and lost after being separated from the guide seat 2, the locking seat 3 and the guide seat 2 are also connected with each other through the connecting strip 54, and the connecting strip 54 adopts the above structure, which is not described again.

During the installation, on body installation terminal 61 and matching end 62 earlier, overlap installation sleeve 1 on matching end 62, will guide seat 2 and set up the lateral part at terminal 61, press the cab apron 11 and make jack catch 12 joint on extension arm 63. Then, the engagement base 3 is engaged with the guide base 2, the terminal 61 is enclosed in the through cavity, and the bolt and the nut of the mating end 62 are tightened. And the top cover 4 is buckled above the mounting sleeve 1, so that the protection effect on the matching end 62 is realized.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Pencil terminal protecting case, its characterized in that includes:

the body comprises an installation sleeve (1) sleeved on the periphery of the matching end (62) and a guide seat (2) which is arranged on one side of the terminal (61) in a surrounding mode and is connected with the installation sleeve (1);

the buckling seat (3) is arranged on the other side of the terminal (61) in a surrounding mode and is detachably connected with the guide seat (2), and the buckling seat (3) can be matched with the guide seat (2) to form a through cavity for the terminal (61) to penetrate through and limit the terminal (61);

the top cover (4) is connected above the mounting sleeve (1) and used for blocking the upper opening of the mounting sleeve (1) to shield the matching end (62).

2. The harness terminal sheath according to claim 1, wherein the inner wall of the guide base (2) is provided with a first limiting rib (22) capable of contacting with the outer peripheral wall of the terminal (61), and the inner wall of the buckling base (3) is provided with a second limiting rib (32) capable of contacting with the outer peripheral wall of the terminal (61).

3. The wire harness terminal sheath according to claim 2, wherein the first stopper rib (22) and the second stopper rib (32) are both provided perpendicular to a penetrating direction of the through cavity.

4. The harness terminal protective case according to claim 1, wherein the guide base (2) comprises two first side plates (21) respectively disposed near two side edges thereof and extending to a side away from the mounting sleeve (1), the buckling base (3) comprises two second side plates (31) respectively disposed near two side edges thereof and extending to a side near the guide base (2), and the second side plates (31) are disposed in one-to-one correspondence with the first side plates (21) and connected by a clamping structure.

5. The harness terminal sheath of claim 4, wherein the snap-fit structure comprises:

a clamping protrusion (51) arranged on the outer side surface of the first side plate (21) or the second side plate (31);

joint ear (52), set up in the outward flange of second curb plate (31) or first curb plate (21), be equipped with on joint ear (52) inside and outside run through with joint protruding (51) joint complex draw-in groove (53).

6. The harness terminal sheath according to any one of claims 1 to 5, wherein the mounting sleeve (1) and the guide base (2) are connected by a transition plate (11), and a claw (12) extending downward and engaged with an extension arm (63) of the terminal (61) is provided on a bottom surface of the transition plate (11).

7. The wire harness terminal protective case according to claim 6, wherein a limiting rib plate (13) extending downwards and contacting with an extension arm (63) of the terminal (61) is arranged on the bottom surface of the transition plate (11), and the clamping jaw (12) protrudes downwards from the limiting rib plate (13).

8. The harness terminal protective cover according to claim 6, wherein a baffle (33) is further provided at the bottom of the fastening seat (3), and the baffle (33) extends to a side close to the guiding seat (2) to shield under the bottom of the terminal (61).

9. The wire harness terminal sheath according to claim 6, wherein the mounting sleeve (1), the transition plate (11) and the guide holder (2) are integrally formed, and a penetrating direction of the mounting sleeve (1) is the same as an extending direction of the guide holder (2).

10. The harness terminal sheath according to any one of claims 1 to 5, wherein the peripheral wall of the mounting sleeve (1) and the peripheral wall of the top cover (4) are connected by a connecting strip (54), and the side wall of the guide base (2) and the side wall of the snap base (3) are also connected by a connecting strip (54).