CN217427230U

CN217427230U - Joint

Info

Publication number: CN217427230U
Application number: CN202123210349.2U
Authority: CN
Inventors: 陆宁远
Original assignee: Lingshi Co ltd
Current assignee: Shanghai Lingshi Indoor Environment Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-09-13
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a joint, include: the box-shaped structure is provided with a first through hole, the box-shaped structure is provided with a second through hole, the first through hole and the second through hole are parallel or coincident in axial direction, and the axial direction of the first through hole and/or the second through hole is the first direction; first movable block and second movable block, first movable block and second movable block all locate the inside of first accommodation space, have seted up first groove along the first direction on the first movable block, have seted up the second groove along the first direction on the second movable block, and first groove and second groove surround and form the second accommodation space. The utility model discloses a connect can be according to the size of the displacement of pencil adjustment clamping-force automatically.

Description

Joint

Technical Field

The utility model relates to a technical field who connects especially relates to a joint.

Background

In order to fix a wire harness or waterproof and seal the whole device, a conventional joint usually applies a very large clamping force to the wire harness for a long time, and the clamping force easily causes fatigue of materials, cracks of a skin of the wire harness, and damages to the inside of the wire harness.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a joint capable of adjusting a clamping force applied to a wire harness according to an amount of displacement tendency of the wire harness.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a fitting, comprising:

the box-shaped structure is provided with a rear second through hole, the first through hole and the second through hole are parallel or coincident in axial direction, and the axial direction of the first through hole and/or the second through hole is a first direction;

the first movable block and the second movable block are both arranged in the first accommodating space, a first groove is formed in the first movable block along the first direction, a second groove is formed in the second movable block along the first direction, and the first groove and the second groove surround to form a second accommodating space;

when the first movable block and the second movable block move along the first direction simultaneously, the force provided by the wall of the first accommodating space enables the first movable block and the second movable block to approach each other in a second direction intersecting with the first direction, so that the inner diameter of the second accommodating space is reduced.

The joint above, wherein at least a portion of the wall of the first accommodating space is disposed obliquely with respect to the first direction so as to convert the force in the first direction into the force in the second direction; wherein

The wall of the first accommodating space comprises a plurality of wall surfaces, and the wall surfaces are all obliquely arranged relative to the first direction;

or, the wall of the first accommodating space comprises a plurality of wall surfaces, wherein one or more wall surfaces are arranged in parallel relative to the first direction, and the rest one or more wall surfaces are arranged in an inclined manner relative to the first direction;

or, the wall of the first accommodating space comprises a wall surface which is a conical surface.

The above-mentioned joint, wherein, still include: and the limiting mechanism limits the relative displacement of the first movable block and the second movable block in the first direction.

The above-mentioned joint, wherein, stop gear includes: the limiting groove and the limiting sliding block are arranged along the second direction and matched with each other; the limiting groove is formed in one of the first movable block and the second movable block, and the limiting sliding block is arranged on the other of the first movable block and the second movable block.

In the above joint, one or more first protrusions are disposed in the first groove of the first movable block; and/or the presence of a gas in the gas,

one or more second protrusions are arranged in the second groove of the second movable block.

In the above joint, a line contact is formed between the first protrusion and the wire harness passing through the second accommodating space along the first direction; and/or the presence of a gas in the gas,

and a line contact in the normal plane of the first direction is formed between the second bulge and the wiring harness passing through the second accommodating space.

In the above joint, one or more third protrusions are disposed on the other surface of the first movable block opposite to the first protrusion.

The joint, wherein the plate-shaped structure and the box-shaped structure are fixedly connected by a fixing member.

In the above joint, the first movable block is a columnar structure with a trapezoidal cross section, the second movable block is a columnar structure with a concave cross section, and the axial directions of the first movable block and the second movable block are both parallel to or coincident with the first direction.

In the above joint, the inner diameter of the first accommodating space near the plate-shaped structure is larger, and the inner diameter of the first accommodating space far from the plate-shaped structure is smaller.

The utility model discloses owing to adopted above-mentioned technique, make it compare with prior art positive effect that has be:

(1) the utility model discloses a connect the size that can adjust the clamping-force automatically according to the displacement of pencil.

Drawings

Fig. 1 is a schematic view of the overall structure of the joint of the present invention.

Fig. 2 is a schematic view of the joint of the present invention with the plate-like structure hidden.

Fig. 3 is a schematic cross-sectional view of a joint of the present invention.

Fig. 4 is a schematic view of the first movable block and the second movable block of the joint of the present invention.

Fig. 5 is a schematic view of another angle of the first movable block and the second movable block of the joint according to the present invention.

Fig. 6 is a schematic view of a first movable block of the joint of the present invention.

Fig. 7 is a schematic view of another angle of the first movable block of the joint according to the present invention.

Fig. 8 is a schematic view of a second movable block of the joint of the present invention.

Fig. 9 is a schematic view of the other side of the overall structure of the joint of the present invention.

In the drawings: 1. a plate-like structure; 2. a box-like structure; 3. a first movable block; 31. a first groove; 32. a limiting slide block; 33. a first protrusion; 34. a third protrusion; 4. a second movable block; 41. a second groove; 42. a limiting groove; 43. a second protrusion.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic view of the overall structure of the joint of the present invention, fig. 2 is a schematic view of the joint of the present invention with a plate-like structure hidden, fig. 3 is a schematic view of the cross section of the joint of the present invention, fig. 4 is a schematic view of the first movable block and the second movable block of the joint of the present invention, fig. 5 is a schematic view of the first movable block and the second movable block of the joint of the present invention, fig. 6 is a schematic view of the first movable block of the joint of the present invention, fig. 7 is a schematic view of the first movable block of the joint of the present invention with another angle, fig. 8 is a schematic view of the second movable block of the joint of the present invention, fig. 9 is a schematic view of the opposite side of the overall structure of the joint of the present invention, please refer to fig. 1 to fig. 9, showing the joint of a preferred embodiment, including: plate-like structure 1 and box-like structure 2 have injectd first accommodation space between plate-like structure 1 and the box-like structure 2, have seted up first through-hole on the plate-like structure 1, set up second through-hole after on the box-like structure 2, first through-hole and second through-hole have parallel or coincident axis direction, and the axis direction of first through-hole and/or second through-hole is first direction.

Specifically, the first direction refers to a direction from top left to bottom right in fig. 2, i.e., a direction in which the wire harness passes, and is also an axial direction of the wire harness.

Preferably, the plate-like structure 1 may be a panel of the apparatus, or may be an additionally provided plate-like structure.

Further, as a preferred embodiment, the joint further includes: first movable block 3 and second movable block 4, first movable block 3 and second movable block 4 all locate the inside of first accommodation space, have seted up first groove 31 along first direction on the first movable block 3, have seted up second groove 41 along first direction on the second movable block 4, and first groove 31 and second groove 41 surround and form the second accommodation space.

Further, as a preferred embodiment, when the first movable block 3 and the second movable block 4 move simultaneously along the first direction, the force provided by the wall of the first accommodating space makes the first movable block 3 and the second movable block 4 approach each other in the second direction intersecting the first direction, thereby reducing the inner diameter of the second accommodating space.

Specifically, the second direction refers to a direction substantially parallel to the paper surface direction of fig. 2, which may be a radial direction of the wire harness, and obviously, there are a plurality of radial directions of the wire harness. In a preferred embodiment, the second direction is perpendicular to the first direction. In other embodiments, the second direction may also be at an angle to the radial direction of the beam.

In a word, the first movable block 3 and the second movable block 4 are close to each other in the second direction, so that the inner diameter of the second accommodating space is reduced, and the function of clamping the wire harness is achieved.

And further, since the wire harness applies a frictional force to the first and second

movable blocks

3 and 4 during the pulling process, the first and second

movable blocks

3 and 4 can move in the first direction. Further, the more the wire harness makes the displacement of the first movable block 3 and the second movable block 4 moving in the first direction larger, the larger the clamping force of the first movable block 3 and the second movable block 4 to the wire harness is, the larger the frictional force received by the wire harness is, and thereby the larger the tendency of the wire harness toward being stationary is.

Therefore, the greater the tendency of the wire harness to move, the greater the tendency of the wire harness to come to rest, thereby enabling the wire harness to be well fixed and sealed.

In order to secure the wiring harness relative to other connectors, the existing connectors tend to provide as much clamping force as possible to maintain the position of the wiring harness, however, the clamping force applied to the wiring harness for a long time tends to cause fatigue or damage to the wiring harness.

And the utility model discloses then according to the displacement of pencil automatically regulated and exert the clamping-force on the pencil to foretell problem has been avoided.

Further, as a preferred embodiment, at least a portion of the wall of the first accommodating space is disposed obliquely with respect to the first direction so as to convert the force in the first direction into the force in the second direction.

Further, as a preferred embodiment, in a first preferred embodiment, the wall of the first accommodating space includes a plurality of wall surfaces, and the plurality of wall surfaces are all disposed obliquely with respect to the first direction.

Specifically, in the first preferred embodiment, the first accommodating space is in the shape of a frustum of a pyramid. Preferably, the prism table of the first accommodating space is a quadrangular prism table, and four surfaces of the first accommodating space are inclined relative to the first direction.

Further, as a preferred embodiment, in a second preferred embodiment, the wall of the first accommodating space includes a plurality of wall surfaces, one or more of the wall surfaces are arranged in parallel with respect to the first direction, and the other one or more wall surfaces are arranged obliquely with respect to the first direction.

In particular, in the second preferred embodiment, the first accommodating space is also shaped like a frustum of a pyramid, but at least one wall surface of the first accommodating space is parallel to the first direction.

Referring to the embodiments shown in fig. 1 to 9, which belong to the second preferred class of embodiments described above, the lower left wall and the upper right wall in fig. 3 are both parallel to the first direction, and the upper left wall and the lower right wall in fig. 3 are both inclined with respect to the first direction. In other words, the wall of the first accommodating space in this embodiment includes four wall surfaces, two of the two opposite wall surfaces are disposed in parallel with the first direction, and the other two opposite wall surfaces are disposed in an inclined manner with respect to the first direction.

Of course, in other second preferred embodiments, only one wall may be inclined with respect to the first direction.

Further, as a preferred embodiment, in a third preferred embodiment, the wall of the first accommodating space includes a wall surface, and the wall surface is a conical surface.

Further, as a preferred embodiment, the joint further comprises: and the limiting mechanism limits the relative displacement of the first movable block and the second movable block in the first direction.

Further, as a preferred embodiment, the limiting mechanism includes: the limiting groove and the limiting sliding block are arranged along the second direction and matched with each other; wherein, the spacing groove is located on one of first movable block 3 and second movable block 4, and the spacing slider is located on another of first movable block 3 and second movable block 4.

In this embodiment, the limiting slide block 32 is disposed on the first movable block 3, and the limiting groove 42 is disposed on the second movable block 4.

Furthermore, in the present embodiment, as shown in fig. 8, the groove bottom 421 of the limiting groove 42 is a plane, and the end surface 422 of the groove wall of the limiting groove 42 is an inclined surface.

Correspondingly, in the present embodiment, please refer to fig. 7, a bottom surface 321 of the limiting slider 32 of the first movable block 3 is a plane, and an end surface 322 of the first movable block 3 adjacent to the limiting slider 32 is an inclined surface.

When the first movable block 3 moves in the second direction relative to the second movable block 4, the groove bottom 421 of the limiting groove 42 is attached to the bottom 321 of the limiting slider 32, and the end surface 422 of the groove wall of the limiting groove 42 is attached to the end surface 322 of the first movable block 3 adjacent to the limiting slider 32.

According to the above arrangement, on the basis of allowing the first movable block 3 and the second movable block 4 to move smoothly in the second direction, there is a guiding function to prevent the first movable block 3 and the second movable block 4 from forming a nip in the process of approaching each other, thereby causing unintended squeezing, deformation of the wire harness. It also prevents the formed crack from possibly trapping some portion of the sheath of the wiring harness.

Further, as a preferred embodiment, one or more first protrusions 33 are provided in the first groove 31 of the first movable block 3.

Further, as a preferred embodiment, one or more second protrusions 43 are provided in the second groove 41 of the second movable block 4.

Further, as a preferred embodiment, a line contact is formed between the first protrusion 33 and the wiring harness passing through the second receiving space along the first direction.

In the present embodiment, as shown in fig. 4 and fig. 6, the first protrusion 33 is a strip structure with a substantially triangular cross section, one side wall of the strip structure is connected to the first movable block 3, and the strip structure is arranged along the first direction, so that one edge of the strip structure is arranged along the first direction, thereby achieving the above-mentioned line contact along the first direction.

Preferably, a plurality of first protrusions 33 are included, and the plurality of first protrusions 33 are arranged in series, that is, the plurality of first protrusions 33 are all located on the same straight line.

Further, as a preferred embodiment, a line contact in the normal plane of the first direction is formed between the second protrusion 43 and the wiring harness passing through the second receiving space.

In the present embodiment, as shown in fig. 5 and 8, the second protrusion 43 is a plate-shaped structure having an arc shape, one side of the second protrusion 43 is an arc-shaped portion, the other side of the second protrusion 43 is a linear portion, and the arc-shaped portion of the second protrusion 43 is connected to the second movable block 4, so that the linear portion of the second protrusion 43 is in a normal plane of the first direction, thereby achieving the above-mentioned line contact in the normal plane of the first direction.

Preferably, a plurality of second protrusions 43 are included, and the plurality of second protrusions 43 are arranged in parallel, that is, the plurality of second protrusions 43 are parallel.

Further, as a preferred embodiment, one or more third protrusions 34 are provided on the other surface of the first movable block 3 opposite to the first protrusion 33.

The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

The utility model discloses still have following embodiment on above-mentioned basis:

in a further embodiment of the present invention, the plate-like structure 1 and the box-like structure 2 are fixedly connected by a fixing member.

The utility model discloses a further embodiment, first movable block 3 is trapezoidal column structure for the cross-section, and second movable block 4 is the column structure that "concave" style of calligraphy for the cross-section, and the axis direction of first movable block 3 and second movable block 4 all is parallel with the first direction or coincides.

In this embodiment, the two waist surfaces of the trapezoidal columnar structure of the first movable block 3 respectively protrude outwards to form the above-mentioned limit sliders 32.

In a further embodiment of the present invention, the inner diameter of the first accommodating space near the plate-shaped structure 1 is larger, and the inner diameter of the first accommodating space far away from the plate-shaped structure 1 is smaller.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A fitting, comprising:

the box-shaped structure is provided with a first through hole, the box-shaped structure is provided with a second through hole, the first through hole and the second through hole are parallel or coincident in axial direction, and the axial direction of the first through hole and/or the second through hole is a first direction;

when the first movable block and the second movable block move along the first direction simultaneously, the force provided by the wall of the first accommodating space makes the first movable block and the second movable block approach each other in a second direction intersecting the first direction, thereby reducing the inner diameter of the second accommodating space.

2. The joint of claim 1, wherein at least a portion of a wall of the first receiving space is disposed obliquely with respect to the first direction so as to convert a force in the first direction into a force in the second direction; wherein

or, the wall of the first accommodating space comprises a plurality of wall surfaces, wherein one or more wall surfaces are arranged in parallel relative to the first direction, and the other one or more wall surfaces are arranged in an inclined manner relative to the first direction;

or, the wall of the first accommodating space comprises a wall surface, and the wall surface is a conical surface.

3. The fitting according to claim 1, further comprising: and the limiting mechanism limits the relative displacement of the first movable block and the second movable block in the first direction.

4. The fitting of claim 3, wherein the spacing mechanism comprises: the limiting groove and the limiting sliding block are arranged along the second direction and matched with each other; the limiting groove is formed in one of the first movable block and the second movable block, and the limiting sliding block is arranged on the other of the first movable block and the second movable block.

5. The joint of claim 1, wherein one or more first protrusions are disposed within the first groove of the first movable block; and/or the presence of a gas in the gas,

6. The joint of claim 5, wherein the first protrusion makes line contact with a wire harness passing through the second receiving space in the first direction; and/or the presence of a gas in the gas,

7. The joint of claim 5, wherein one or more third protrusions are provided on the other side of the first movable block opposite to the first protrusion.

8. A joint according to claim 1, wherein the plate-like structure and the box-like structure are fixedly connected by fasteners.

9. The joint according to claim 1, wherein the first movable block is a columnar structure with a trapezoidal cross section, the second movable block is a columnar structure with a concave cross section, and the axial directions of the first movable block and the second movable block are parallel to or coincide with the first direction.

10. The joint of claim 1, wherein the first receiving space has a larger inner diameter near the plate-like structure and a smaller inner diameter away from the plate-like structure.