CN217462991U - Brake drum convenient to installation - Google Patents
Brake drum convenient to installation Download PDFInfo
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- CN217462991U CN217462991U CN202221851136.XU CN202221851136U CN217462991U CN 217462991 U CN217462991 U CN 217462991U CN 202221851136 U CN202221851136 U CN 202221851136U CN 217462991 U CN217462991 U CN 217462991U
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- brake drum
- output shaft
- threaded
- sinking groove
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Abstract
The utility model relates to the technical field of brake drums, in particular to a brake drum convenient to install, which comprises a brake drum, an output shaft and a sinking groove, wherein the brake drum is sleeved on the output shaft, the sinking groove is arranged on the brake drum, and one end of the output shaft extends into the sinking groove; positioning clamping grooves are arranged in the sinking groove at equal intervals, and one end of the output shaft is provided with a connecting nut in a threaded connection manner; the rotary auxiliary convex strips are symmetrically arranged on the two sides of the connecting nut, so that convenience is brought to the screwing of the connecting nut, and the operation convenience of workers is improved; and through set up positioning channel section and fastening fittings in heavy groove equidistance and cooperate the use, lock the coupling nut after screwing, improve installation stability, finally improve brake drum installation work's convenience, improve work efficiency.
Description
Technical Field
The utility model relates to a brake drum technical field specifically is a brake drum convenient to installation.
Background
In a drum brake, a brake shoe presses a brake pad against the inner side of a brake drum by a brake transmission mechanism to generate a braking force.
At present, a chinese patent document with an issued publication number of CN215370699U and a publication number of 20211231 discloses a brake drum, a brake, a drive axle and an automobile, which aims at the problem that the brake drum on a new energy automobile is rubbed by a brake friction plate when in use, and when the brake drum is excessively rubbed, the brake drum needs to be replaced to avoid brake failure. The brake drum is generally sleeved on the output shaft of the speed reducer, however, the matching part of the brake drum and the output shaft is easy to rust, and the improvement and optimization of the problem of brake drum replacement are not facilitated; the drum body of the brake drum is used for being matched with the brake assembly, the hub part is used for being sleeved on the output shaft of the speed reducer, and the inner circumferential surface of the hub part is in contact with the outer circumferential surface of the output shaft; the hub portion is provided with a lubricating oil channel, and the first end of lubricating oil channel runs through the inner peripheral surface setting of hub portion, so, after lubricating grease was filled into in the lubricating oil channel, lubricating grease can reach the cooperation department of hub portion and output shaft through the first end of lubricating oil channel to form the oil film of protection at the inner peripheral surface of hub portion and the outer peripheral surface of output shaft, be used for preventing the inner periphery of hub portion or the outer periphery of output shaft and water to take place the reaction, in order to avoid the cooperation department of hub portion and output shaft to rust.
In the scheme, the brake drum is installed by sleeving the brake drum on the output shaft, the brake drum is axially limited by the connecting nut, and the connecting nut is finally positioned in the sink groove on the drum body, so that the connecting nut is very inconvenient to screw, a worker needs to apply labor when screwing the connecting nut by hand, the stability after screwing is insufficient, the connecting nut is easy to loosen, and the installation stability of the brake drum is low; when the corresponding tool is used for screwing, the brake drum is limited by the sunken groove, the operation is inconvenient, and the installation work of the brake drum is troublesome, so that further improvement and optimization are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brake drum convenient to installation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a brake drum convenient to install comprises a brake drum, an output shaft and a sinking groove, wherein the brake drum is sleeved on the output shaft, the sinking groove is formed in the brake drum, and one end of the output shaft extends into the sinking groove;
positioning clamping grooves are arranged in the sinking groove at equal intervals, and one end of the output shaft is provided with a connecting nut in a threaded connection manner;
an auxiliary assembly, which comprises a rotary auxiliary convex strip and a threaded through hole;
and the fastening fitting locks the connecting nut and comprises a locking screw, a knob, an annular inclined plane and an anti-skid bump.
Preferably, the positioning clamping grooves are circular grooves and are distributed in the sinking grooves in an annular shape.
Preferably, the auxiliary rotating convex strips are symmetrically and fixedly arranged on the outer side wall of the connecting nut, and threaded through holes are formed in the auxiliary rotating convex strips.
Preferably, the auxiliary rotating convex strips are symmetrically provided with two groups.
Preferably, the threaded through hole corresponds to the positioning clamping groove in position, and the diameters of the threaded through hole and the positioning clamping groove are equal.
Preferably, the locking screw is in threaded connection with the threaded through hole in a matched mode, a knob is fixedly arranged at one end of the locking screw, and an annular inclined plane is arranged at the other end of the locking screw.
Preferably, the outer side wall of the knob is equidistantly and fixedly provided with anti-skid blocks, and the anti-skid blocks are arranged to be arc-shaped spherical surfaces.
Preferably, the locking screw is inserted into the positioning slot in a matching manner.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses mainly improve and optimize case CN215370699U, namely set up the supplementary sand grip of rotating symmetrically in the both sides of coupling nut, facilitate for the screwing of coupling nut, improve staff's simple operation; and through set up positioning channel section and fastening fittings in heavy groove equidistance and cooperate the use, lock the coupling nut after screwing, improve installation stability, finally improve brake drum installation work's convenience, improve work efficiency.
Drawings
FIG. 1 is a schematic view of the connection of the structure of the brake drum of the utility model;
FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1;
FIG. 3 is a schematic view showing the structural connection between the connection nut and the auxiliary assembly and the fastening fitting of the utility model;
fig. 4 is a partially enlarged view of the structure connection in fig. 3 according to the present invention.
In the figure: the brake drum comprises a brake drum 1, an output shaft 2, a sinking groove 3, a positioning clamping groove 4, a connecting nut 5, a rotary auxiliary convex strip 6, a threaded through hole 7, a locking screw 8, a knob 9, an annular inclined plane 10 and an anti-skidding lug 11.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.
The first embodiment is as follows: referring to fig. 1-4, a brake drum convenient to mount includes a brake drum 1, an output shaft 2, and a sink groove 3, wherein the brake drum 1 is sleeved on the output shaft 2, the brake drum 1 is provided with the sink groove 3, and one end of the output shaft 2 extends into the sink groove 3;
the middle distance of the sinking groove 3 is provided with a positioning clamping groove 4, and one end of the output shaft 2 is provided with a connecting nut 5 in a threaded connection way;
an auxiliary component, which comprises a rotary auxiliary convex strip 6 and a threaded through hole 7;
the fastening fitting locks the connecting nut 5 and comprises a locking screw 8, a knob 9, an annular inclined surface 10 and an anti-skid lug 11.
Example two: on the basis of embodiment one, installation work to brake drum 1, to the screwing of coupling nut 5, supplementary sand grip 6 of rotating through setting up in its lateral wall symmetry, it is equivalent to the arm of force that increases two symmetries on coupling nut 5, it is more laborsaving to its screwing, it is convenient, reduce staff's the operation degree of difficulty, again with 8 threaded connection of locking screw in screw through-hole 7, until 8 pegging graft in the positioning groove 4 on the corresponding position in heavy groove 3, realize coupling nut 5's position locking, when guaranteeing its installation convenience promptly, guarantee its installation steadiness, avoid producing not hard up, can accomplish fast to the installation work of brake drum 1, and the operation is simple.
Example three: on the basis of the second embodiment, what set up skid proof block 11 at 9 lateral walls of one end knob of locking screw 8 is to improve the convenience of screwing locking screw 8, and skid proof block 11 sets up to the arc sphere, avoids the hand to exert oneself too greatly and causes the scratch, has a guard action to the hand.
Example four: on the basis of the third embodiment, an annular inclined surface 10 is arranged at the other end of the locking screw 8, so that the locking screw 8 and the positioning clamping groove 4 can be conveniently inserted and positioned.
Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.
Claims (8)
1. A brake drum convenient to install comprises a brake drum (1), an output shaft (2) and a sinking groove (3), wherein the brake drum (1) is sleeved on the output shaft (2), the sinking groove (3) is formed in the brake drum (1), and one end of the output shaft (2) extends into the sinking groove (3);
the method is characterized in that: positioning clamping grooves (4) are arranged in the sinking groove (3) at equal intervals, and one end of the output shaft (2) is in threaded connection with a connecting nut (5);
an auxiliary component, which comprises a rotary auxiliary convex strip (6) and a threaded through hole (7);
the fastening fitting locks the connecting nut (5), and the fastening fitting comprises a locking screw (8), a knob (9), an annular inclined surface (10) and an anti-skidding lug (11).
2. A brake drum for easy installation according to claim 1, wherein: the positioning clamping grooves (4) are circular grooves and are annularly distributed in the sinking groove (3).
3. A brake drum for easy installation according to claim 1, wherein: the auxiliary rotating convex strips (6) are symmetrically and fixedly arranged on the outer side wall of the connecting nut (5), and threaded through holes (7) are formed in the auxiliary rotating convex strips (6).
4. A brake drum for easy installation according to claim 3, wherein: two groups of rotating auxiliary convex strips (6) are symmetrically arranged.
5. A brake drum for easy installation according to claim 3, wherein: the threaded through hole (7) corresponds to the positioning clamping groove (4) in position, and the diameters of the threaded through hole and the positioning clamping groove are equal.
6. A brake drum for easy installation according to claim 1, wherein: the locking screw (8) is in matched threaded connection with the threaded through hole (7), a knob (9) is fixedly arranged at one end of the locking screw (8), and an annular inclined plane (10) is arranged at the other end of the locking screw.
7. A brake drum for easy installation according to claim 6, wherein: the anti-skid block (11) is fixedly arranged on the outer side wall of the knob (9) in an equidistant mode, and the anti-skid block (11) is arranged to be an arc-shaped spherical surface.
8. A brake drum for easy installation according to claim 6, wherein: the locking screw (8) is in adaptive insertion connection with the positioning clamping groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851136.XU CN217462991U (en) | 2022-07-19 | 2022-07-19 | Brake drum convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851136.XU CN217462991U (en) | 2022-07-19 | 2022-07-19 | Brake drum convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462991U true CN217462991U (en) | 2022-09-20 |
Family
ID=83256190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851136.XU Active CN217462991U (en) | 2022-07-19 | 2022-07-19 | Brake drum convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462991U (en) |
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2022
- 2022-07-19 CN CN202221851136.XU patent/CN217462991U/en active Active
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