CN218582189U - Differential mechanism shell convenient for discharging internal operation heat - Google Patents

Abstract

The application discloses differential mechanism shell convenient to inside operation heat is discharged, relate to differential mechanism technical field, including unable adjustment base, unable adjustment base upper end is equipped with the housing, the inside drive pivot that is used for differential mechanism drive that is equipped with of housing, there is the sliding plate drive pivot middle part through threaded connection, it evenly is equipped with the toper guide hole to be the annular on the sliding plate, the annular is personally submitted in the sliding plate outside is equipped with the direction fixture block, the annular is personally submitted in the housing and is equipped with direction draw-in groove, swing joint has the direction fixture block in the direction draw-in groove, the tip is the annular under the housing and is equipped with the hole of airing exhaust, the toper guide hole is located between the adjacent hole of airing exhaust. This application has the sliding plate at the inside swing joint of housing to be connected the sliding plate with the mode that is used for differential mechanism driven drive pivot to adopt the screw thread, in the differential mechanism use, with the help of differential mechanism's drive effort, realized the inside heat exhaust effect of differential mechanism.

Description

Differential mechanism shell convenient for discharging internal operation heat

Technical Field

The utility model belongs to the technical field of differential mechanism, especially, relate to a differential mechanism shell convenient to inside operation heat is discharged.

Background

Differential mechanism is a device that has power transmission and power distribution function, and its effect is when the driving process, when the car meets the turn, the rotational speed of inside and outside wheel of ability automatically regulated to guarantee that the foreign steamer can not drag on the road surface, avoid the wearing and tearing aggravation of tire, thereby guarantee the factor of safety of the vehicle of traveling, improve the operating life of reduction gear. The differential has the function of meeting the requirement that the rotating speeds of wheels at two sides are different when the automobile turns.

With the continuous progress of society, the application of the differential mechanism is more and more extensive. The positive and negative rotation differentials are generated. The existing forward and reverse rotation differential mechanism cannot effectively discharge heat inside the differential mechanism in the using process, so that the differential mechanism generates high temperature in the using process, the service life of parts is shortened, and potential safety hazards exist in the use of the differential mechanism. In this regard, we propose a differential housing that facilitates internal operating heat removal.

Disclosure of Invention

In order to improve the above-mentioned problem, the utility model provides a differential mechanism shell convenient to inside operation heat is discharged.

The utility model provides a differential mechanism shell convenient to inside operation heat exhaust adopts following technical scheme: the utility model provides a differential mechanism shell convenient to inside operation heat is discharged, includes unable adjustment base, the unable adjustment base upper end is equipped with the housing, the inside drive pivot that is used for differential mechanism drive that is equipped with of housing, there is the sliding plate drive pivot middle part through threaded connection, it evenly is equipped with the toper guide hole to be the annular on the sliding plate, the annular is personally submitted in the sliding plate outside is equipped with the direction fixture block, the housing inboard is personally submitted the annular and is equipped with guide slot, swing joint has the direction fixture block in the guide slot, the tip is the annular under the housing and is equipped with the hole of airing exhaust, the toper guide hole is located between the adjacent hole of airing exhaust.

Based on the technical characteristics: the sliding plate is movably connected in the housing and is connected with the driving rotating shaft for driving the differential in a threaded mode, the driving rotating shaft rotates in the use process of the differential, the sliding plate can move up and down, and hot air in the differential shell is discharged outwards through the air exhaust hole in the downward movement process of the sliding plate; when the sliding plate moves upwards, air outside the shell can be sucked into the differential shell, so that exchange between the air inside the differential shell and the air outside the differential shell is accelerated, internal heat dissipation of the differential is effectively improved, and use safety of the differential is guaranteed.

Optionally, the housing is connected with the driving rotating shaft through a bearing, and the bearing is embedded in the housing.

Based on the technical characteristics: the housing is connected with the driving rotating shaft in a bearing mode, so that friction between the driving rotating shaft and the housing in the rotating process of the driving rotating shaft can be effectively reduced.

Optionally, the aperture of the conical guide hole is sequentially increased from top to bottom, and the upper end part and the lower end part of the conical guide hole are both opened.

Based on the technical characteristics: the sliding plate is provided with the conical through hole, so that air on the upper part of the sliding plate can be conveniently discharged, and the conical through hole can provide certain resistance in the downward movement of the sliding plate, so that the air in the differential case can be conveniently discharged to the outside.

Optionally, the sliding plate is arranged above the air exhaust hole, and the sliding plate is arranged horizontally.

Based on the technical characteristics: the exhaust hole is used for communicating the differential housing with the outside, the sliding plate is arranged above the exhaust hole, and the exchange of external air and the air inside the housing can be realized through the exhaust hole along with the up-and-down movement of the sliding plate.

Optionally, the tapered guide holes are annularly arranged on the outer side of the driving rotating shaft, and the tapered guide holes are in a group of three.

Based on the technical characteristics: set up 3 a set of toper guide holes between the adjacent hole of airing exhaust, at the in-process of sliding plate up-and-down motion, can reach the circulation with the air of sliding plate top and the air of sliding plate below through the toper guide hole, and 3 a set of toper guide hole settings can be concentrated airing exhaust between the adjacent hole of airing exhaust, when having guaranteed the downward resistance of sliding plate for the inside air of differential mechanism casing can realize the circulation exchange with the outside.

Optionally, the length of the guide clamping groove is greater than that of the guide clamping block, and the upper end portion and the lower end portion of the guide clamping groove are not opened.

Based on the technical characteristics: the guide clamping groove is formed in the inner side wall of the housing, the guide clamping block is fixed on the outer side of the sliding plate, and the guide clamping block is clamped in the guide clamping groove, so that the sliding plate can only move up and down but cannot rotate along with the driving rotating shaft in the process that the sliding plate moves along with the driving rotating shaft; and the guide clamping groove is not opened up and down, so that the up-and-down movement range of the sliding plate can be limited.

Optionally, the drive shaft is collinear with the center of the housing.

Based on the technical characteristics: the driving rotating shaft is arranged at the center of the housing, so that the radial distance between the outer side wall of the sliding plate arranged on the driving rotating shaft and the inner side wall of the housing is equal, and the circulation effect of air and external gas in the housing is ensured.

To sum up, the utility model discloses a following at least one beneficial effect:

(1) The utility model has the advantages that the sliding plate is movably connected in the housing and is connected with the driving rotating shaft driven by the differential mechanism in a threaded manner, the driving rotating shaft rotates in the use process of the differential mechanism, the sliding plate can move up and down due to the clamping manner of the guide clamping block and the guide clamping groove, and hot air in the differential mechanism shell is discharged outwards through the air exhaust hole in the downward movement process of the sliding plate; when the sliding plate moves upwards, air outside the shell can be sucked into the differential shell, so that the exchange between the inside of the differential shell and the outside air is accelerated, the internal heat dissipation of the differential is effectively improved, and the use safety of the differential is ensured.

(2) The utility model discloses to drive pivot and sliding plate adoption threaded mode, can make things convenient for the installation of sliding plate, and the setting of sliding plate can not influence differential mechanism's normal use, with the help of differential mechanism's drive effort, realized the effect with the inside heat exhaust of differential mechanism.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic partial sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the present invention;

fig. 4 is a top view of the sliding plate of the present invention.

Description of reference numerals:

1. a fixed base; 2. a housing; 3. driving the rotating shaft; 4. a bearing; 5. an air exhaust hole; 6. a sliding plate; 7. a guide clamping groove; 8. a tapered guide hole; 9. and a guide clamping block.

Detailed Description

The present invention is described in further detail below with reference to fig. 1-4.

Referring to fig. 1-4, the present invention provides an embodiment of: the utility model provides a differential mechanism shell convenient to inside operation heat is discharged, includes unable adjustment base 1, and wherein, unable adjustment base 1 can be through the bolt fastening on other equipment, is equipped with housing 2 in unable adjustment base 1 upper end, and housing 2 and unable adjustment base 1 fixed welding, and the external diameter of housing 2 is less than unable adjustment base 1's external diameter.

Referring to fig. 1 and 2, a driving shaft 3 for driving the differential is disposed inside the housing 2, wherein the driving shaft 3 is a driving shaft of a forward and reverse differential, and the driving shaft 3 is collinear with the center of the housing 2. The housing 2 is connected with the driving rotating shaft 3 through a bearing 4, and the bearing 4 is embedded in the housing 2. The housing 2 is connected with the driving rotating shaft 3 in a bearing 4 mode, so that friction between the driving rotating shaft 3 and the housing 2 in the rotating process can be effectively reduced, and noise generated in the use process of the differential is reduced.

Referring to fig. 2 and 3, a sliding plate 6 is connected to the middle of the driving shaft 3 through threads, an air exhaust hole 5 is annularly formed at the lower end of the housing 2, tapered guide holes 8 are uniformly formed in the sliding plate 6 in an annular shape, the tapered guide holes 8 are annularly formed at the outer side of the driving shaft 3, and the tapered guide holes 8 are grouped into three groups. Set up 3 a set of toper guide hole 8 between adjacent hole 5 of airing exhaust, at the in-process of the up-and-down motion of sliding plate 6, can reach the circulation with the air of sliding plate 6 top and the air of sliding plate 6 below through toper guide hole 8, and 3 a set of toper guide hole 8 sets up and to concentrate on airing exhaust between adjacent hole 5 of airing exhaust, when having guaranteed the downward resistance of sliding plate 6, make the inside air of differential mechanism casing can realize the circulation exchange with the outside.

Wherein, the sliding plate 6 is arranged above the air exhaust hole 5, and the sliding plate 6 is arranged horizontally. The conical guide holes 8 are arranged between the adjacent exhaust holes 5. The aperture of the conical guide hole 8 is sequentially increased from top to bottom, and the upper end and the lower end of the conical guide hole 8 are both open. The sliding plate 6 is provided with a conical through hole, so that air on the upper part of the sliding plate 6 can be conveniently discharged, and the conical through hole can provide certain resistance in the downward movement of the sliding plate 6, so that the air in the differential case can be conveniently discharged to the outside.

Referring to fig. 3 and 4, a guide clamping block 9 is annularly arranged on the outer side surface of the sliding plate 6, a guide clamping groove 7 is annularly arranged on the inner side surface of the housing 2, the length of the guide clamping groove 7 is greater than that of the guide clamping block 9, and the upper end and the lower end of the guide clamping groove 7 are not opened. A guide clamping block 9 is movably connected in the guide clamping groove 7, wherein the guide clamping groove 7 is formed in the inner side wall of the housing 2, the guide clamping block 9 is fixed on the outer side of the sliding plate 6, and the guide clamping block 9 is clamped in the guide clamping groove 7, so that the sliding plate 6 can only move up and down and cannot rotate along with the driving rotating shaft 3 in the process that the sliding plate 6 moves along with the driving rotating shaft 3; the guide slot 7 is not opened up and down, so that the up-and-down movement range of the sliding plate 6 can be limited.

The working principle is as follows: according to the differential case convenient for discharging the internal operation heat, in the use process of the differential, the rotating shaft 3 is driven to rotate, the sliding plate 6 connected with the rotating shaft 3 through threads can move up and down, and in the downward movement process of the sliding plate 6, the hot air in the differential case is discharged outwards through the exhaust hole 5; when the sliding plate 6 moves upwards, air outside the housing 2 can be sucked into the housing 2 of the differential mechanism, so that the exchange between the inside of the differential mechanism housing and the outside air is accelerated, the internal heat dissipation of the differential mechanism is effectively improved, and the use safety of the differential mechanism is ensured.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims (7)

1. A differential housing facilitating internal operating heat removal, comprising a stationary base (1), characterized in that: the utility model discloses a differential mechanism drive device, including fixed base (1), cover (2), driving pivot (3), sliding plate (6), guide card groove (7), swing joint has guide card block (9) in the casing (2), the tip is the annular and is equipped with exhaust hole (5) under cover (2), cover (2) inside be equipped with and be used for differential mechanism driven drive pivot (3), there is sliding plate (6) drive pivot (3) middle part through threaded connection, it evenly is equipped with toper guide hole (8) to be the annular on sliding plate (6), the annular is equipped with guide card block (9) outside sliding plate (6), cover (2) inboard is personally submitted the annular and is equipped with guide card groove (7), swing joint has guide card block (9) in guide card groove (7), the tip is the annular under cover (2) and is equipped with exhaust hole (5), toper guide hole (8) are located between adjacent exhaust hole (5).

2. A differential case for facilitating internal operating heat removal as defined in claim 1, wherein: the housing (2) is connected with the driving rotating shaft (3) through a bearing (4), and the bearing (4) is embedded in the housing (2).

3. A differential case for facilitating internal operating heat removal as defined in claim 1, wherein: the aperture of the conical guide hole (8) is sequentially increased from top to bottom, and the upper end part and the lower end part of the conical guide hole (8) are both opened.

4. The differential case facilitating internal operating heat removal of claim 1, wherein: the sliding plate (6) is arranged above the air exhaust hole (5), and the sliding plate (6) is horizontally arranged.

5. A differential case for facilitating internal operating heat removal as defined in claim 1, wherein: the conical guide holes (8) are annularly arranged on the outer side of the driving rotating shaft (3), and the conical guide holes (8) are arranged in three groups.

6. The differential case facilitating internal operating heat removal of claim 1, wherein: the length of the guide clamping groove (7) is greater than that of the guide clamping block (9), and the upper end part and the lower end part of the guide clamping groove (7) are not opened.

7. A differential case for facilitating internal operating heat removal as defined in claim 1, wherein: the driving rotating shaft (3) is collinear with the center of the housing (2).

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