CN218670513U

CN218670513U - Plugging device and transfer case

Info

Publication number: CN218670513U
Application number: CN202222222451.2U
Authority: CN
Inventors: 刘通通; 刘权; 林伟
Original assignee: Lingong Heavy Machinery Co Ltd
Current assignee: Lingong Heavy Machinery Co Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-03-21
Anticipated expiration: 2032-08-23

Abstract

The utility model belongs to the technical field of sealing equipment, a plugging device and transfer case are disclosed, the plugging device includes the shutoff head body, the shutoff head body has seted up the shutoff groove, the shutoff groove link up along the circumference direction of shutoff head body and sets up in the side end face of shutoff head body, two side cell walls that the shutoff groove is relative are from the tank bottom of shutoff groove to notch inwards slope extension gradually, the shutoff head body sets up to the elasticity material; above-mentioned plugging device is used to transfer case, including the transfer case casing, seted up the observation hole on the transfer case casing, on the shutoff head body inlays to be located the observation hole, and the pore wall correspondence of observing the hole inlays to be located the shutoff inslot. The utility model provides a plugging device when being used for the transfer case on, can carry out effectual shutoff to the observation hole and seal, inside avoiding external dust to get into the transfer case casing through the observation hole, and then guarantee transfer case reliable operation.

Description

Plugging device and transfer case

Technical Field

The utility model relates to a sealing equipment technical field especially relates to a plugging device and transfer case.

Background

At present, observation holes are usually reserved on the circumference of a coupling shell of a transfer case of a hydraulic excavator so as to facilitate the observation and troubleshooting work of parts in the coupling shell. And the observation hole is in normally open state, and when the excavator during operation, parts such as shaft coupling are high-speed rotatory, arouse that the inside and outside air of coupling casing circulates through the observation hole fast, and this can make a large amount of dust foreign matters in the air get into inside the coupling casing and deposit, and the dust that constantly gathers forms the greasy dirt and hinders the normal meshing of engine starter motor gear, finally leads to engine starter motor early damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plugging device can carry out the shutoff to the observation hole of transfer case and seal.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a plugging device, includes the shutoff head body, the shutoff groove has been seted up to the shutoff head body, the shutoff groove is followed the circumference direction of shutoff head body link up set up in the side end face of shutoff head body, two relative side cell walls in shutoff groove by tank bottom to notch in shutoff groove slope gradually inwards extends, the shutoff head body sets up to the elastic material.

Optionally, a friction pattern is provided on a surface of the side groove wall.

Optionally, the material of the blocking head body is rubber.

Optionally, weight reduction grooves are formed in the upper end face and the lower end face of the blocking head body, which are opposite to each other.

Optionally, the groove depth of the weight-reducing groove is set to be 8cm-12cm.

Optionally, the plugging head body is arranged to be of an axisymmetric structure, the plugging head body is arranged in a bending mode along the direction of the symmetry axis, and the bending angle is set to be 90-100 degrees.

Optionally, the groove depth of the plugging groove is set to be 8cm-12cm.

Optionally, the width of the notch of the plugging groove is set to be 14cm-16cm.

The utility model provides a transfer case, includes the transfer case casing, seted up the observation hole on the transfer case casing, still include the aforesaid plugging device, the shutoff head body inlays to be located on the observation hole, just the pore wall correspondence of observation hole inlays to be located in the shutoff groove.

Optionally, the number of the observation holes is set to be multiple, and the observation holes are evenly distributed at intervals along the axial direction of the transfer case shell.

Has the advantages that:

the utility model provides a plugging device, the shutoff head sets up to elastic material, the side end face of shutoff head body link up along self circumference direction and is provided with the shutoff groove, when being applied to on the transfer case, the shutoff head body can be filled in and inlay and observe the hole with the shutoff on locating the observation hole, the pore wall correspondence of observing the hole inlays locates the shutoff inslot, and put tank bottom to notch leanin by the shutoff groove of two relative side cell walls in shutoff groove and extend gradually, make the side groove wall in shutoff groove can tightly support in the housing face of observing the inside and outside both sides of hole pore wall, when guaranteeing that the shutoff head body reliably inlays and locates the observation hole, it is sealed effectively to carry out the shutoff to the observation hole, avoid outside dust to get into the transfer case casing through observing the hole inside, and then guarantee transfer case reliable operation.

Drawings

Fig. 1 is a schematic view of the plugging device according to the present invention;

fig. 2 is a schematic structural view of another view angle of the plugging device of the present invention;

fig. 3 is a schematic cross-sectional view of the plugging device of the present invention;

FIG. 4 is a schematic structural view of the side groove wall of the present invention with friction patterns;

FIG. 5 is a schematic structural view of the transfer case shell mounting plugging head body of the utility model;

FIG. 6 is a schematic sectional view of the transfer case body mounting plug body of the present invention;

fig. 7 is a partially enlarged schematic view of the present invention at a in fig. 5.

In the figure:

100. a plugging head body; 110. plugging the groove; 111. side groove walls; 112. rubbing patterns; 120. a weight reduction groove;

200. a transfer case housing; 210. and (6) observing holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The embodiment provides a plugging device, referring to fig. 1 to 4, the plugging device includes a plugging body 100, the plugging body 100 is provided with a plugging groove 110, the plugging groove 110 is disposed on a side end surface of the plugging body 100 in a circumferential direction of the plugging body 100, two side groove walls 111 opposite to the plugging groove 110 are gradually and inwardly inclined and extend from a groove bottom to a groove opening of the plugging groove 110, and the plugging body 100 is made of an elastic material. The embodiment further provides a transfer case, as shown in fig. 5 to 7, the transfer case includes a transfer case housing 200 and the above-mentioned plugging device, an observation hole 210 is formed in the transfer case housing 200, the plugging head body 100 is embedded in the observation hole 210, and the hole wall of the observation hole 210 is correspondingly embedded in the plugging groove 110.

In this embodiment, the plugging head body 100 can be plugged and embedded in the observation hole 210 to plug the observation hole 210, the hole wall of the observation hole 210 is embedded in the plugging groove 110, and the two side groove walls 111 opposite to the plugging groove 110 are gradually inclined inwards from the groove bottom to the groove opening of the plugging groove 110, so that the side groove walls 111 of the plugging groove 110 can tightly abut against the shell end surfaces of the inner side and the outer side of the hole wall of the observation hole 210, the plugging head body 100 is reliably and stably embedded in the observation hole 210, the observation hole 210 is effectively plugged and sealed, external dust is prevented from entering the transfer case shell 200 through the observation hole 210, and the transfer case is ensured to operate reliably.

In the present embodiment, the angle at which the side groove wall of the plugging groove 110 extends obliquely inward is set to 5 ° to 8 °, and specific values of the inclination angle are preferably set to 5 °, 6 °, 7 °, and 8 °.

In this embodiment, the groove depth of the plugging groove 110 is set to 8cm to 12cm. Preferably, specific values of the groove depth of the blocking groove 110 may be 8cm, 9cm, 10cm, 11cm, and 12cm. The width of the opening of the plugging groove 110 is set to be 14cm-16cm. Preferably, specific values of the notch width of the blocking groove 110 may be 14cm, 15cm and 16cm.

Further, the number of the observation holes 210 is set to be multiple, and the observation holes 210 are evenly distributed at intervals along the axial direction of the transfer case shell 200. The plugging head bodies 100 are arranged in one-to-one correspondence with the observation holes 210, and each plugging head body 100 is embedded in the corresponding observation hole 210.

In the present embodiment, the number of the observation holes 210 on the transfer case housing 200 is set to six.

In this embodiment, the material of the plug body 100 is rubber. The rubber material has the advantages of low cost, easy obtainment, soft quality and good buffering performance, and can effectively block the observation hole 210 without damaging the hole wall and the peripheral wall surface of the observation hole 210.

In this embodiment, with continued reference to fig. 1 to 4, the plugging head body 100 is configured to have an axisymmetric structure, and the plugging head body 100 is disposed in a bending manner along the symmetry axis. Because the position of the observation hole 210 on the transfer case shell 200 is mostly arranged on a curved wall surface, the blocking head body 100 is arranged to be a curved structure, and can be more adaptive to the observation hole 210 in appearance, so that the embedding effect and the sealing reliability of the blocking head body 100 and the observation hole 210 are further ensured.

In this embodiment, the bending angle of the plugging head body 100 along the symmetry axis is set to 90-100 °. Preferably, the stopper body 100 is bent at specific angles of 90 °, 95 ° and 100 °.

Further, a friction pattern 112 is provided on the surface of the side groove wall 111. The friction pattern 112 can increase the contact friction between the side groove wall 111 and the opposite shell end surface, and a labyrinth structure can be formed between the friction pattern 112 and the shell end surface on the corresponding side, so that the sealing effect is further ensured.

Further, weight reduction grooves 120 are formed in two opposite end faces of the plug body 100. The lightening grooves 120 can reduce the raw material consumption of the plugging head body 100 on the basis of ensuring the usability of the plugging head body 100, and reduce the production cost.

Specifically, the groove depth of the lightening grooves 120 is set to 8cm to 12cm. Preferably, specific values of the groove depth of the lightening grooves 120 may be 8cm, 9cm, 10cm, 11cm and 12cm.

It should be noted that the plugging device provided in this embodiment may be applied to other devices that are provided with the observation hole 210 having a similar structure to that of the transfer case housing 200, besides the transfer case, and is not limited herein.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a plugging device, its characterized in that, includes shutoff head body (100), shutoff groove (110) have been seted up to shutoff head body (100), shutoff groove (110) are followed the circumferential direction of shutoff head body (100) link up set up in the side end face of shutoff head body (100), two side cell walls (111) that shutoff groove (110) are relative all extend by tank bottom to notch leanin gradually of shutoff groove (110), shutoff head body (100) set up to elastic material.

2. The occlusion device of claim 1, wherein a friction pattern (112) is provided on the surface of the side groove wall (111).

3. The occlusion device of claim 1, wherein the material of the stopper body (100) is rubber.

4. The occlusion device of claim 1, wherein weight-reducing grooves (120) are formed in the upper and lower opposite end surfaces of the plug body (100).

5. The occlusion device according to claim 4, characterized in that the weight-reducing slots (120) are provided with a slot depth of 8cm-12cm.

6. The occlusion device according to claim 1, characterized in that the stopper body (100) is arranged in an axisymmetric configuration, the stopper body (100) is arranged in a curved manner along the symmetry axis, and the bending angle is set to 90 ° -100 °.

7. The occlusion device according to claim 1, characterized in that the occlusion groove (110) has a groove depth set between 8cm and 12cm.

8. The occlusion device of claim 1, wherein the width of the opening of the occlusion groove (110) is set to 14cm-16cm.

9. A transfer case comprises a transfer case shell (200), wherein an observation hole (210) is formed in the transfer case shell (200), and the transfer case is characterized by further comprising the plugging device of any one of claims 1 to 8, wherein the plugging head body (100) is embedded in the observation hole (210), and the hole wall of the observation hole (210) is correspondingly embedded in the plugging groove (110).

10. The transfer case of claim 9, wherein the number of the observation holes (210) is provided in plurality, and the plurality of observation holes (210) are evenly spaced along the axial direction of the transfer case housing (200).