CN219299812U - Take shearing protection formula car transmission shaft - Google Patents
Take shearing protection formula car transmission shaft Download PDFInfo
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- CN219299812U CN219299812U CN202223571786.1U CN202223571786U CN219299812U CN 219299812 U CN219299812 U CN 219299812U CN 202223571786 U CN202223571786 U CN 202223571786U CN 219299812 U CN219299812 U CN 219299812U
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- transmission shaft
- shaft tube
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- locking
- assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model relates to the technical field of automobile transmission shafts, in particular to a shearing protection type automobile transmission shaft which comprises a connecting fork and a welding fork, wherein the inner side of the connecting fork is connected with the welding fork, the welding fork is connected with the connecting fork through a universal joint assembly, a shaft tube connecting sleeve is sleeved at the joint of a second transmission shaft tube and a first transmission shaft tube, a locking mechanism is arranged at one side of a connecting assembly seat, which is far away from the shaft tube connecting sleeve, and a connecting bolt is arranged at the middle position of the locking mechanism. According to the utility model, the traditional automobile transmission shaft is divided into a first transmission shaft tube and a second transmission shaft tube in a two-section structure, the first transmission shaft tube and the second transmission shaft tube are connected through the shaft tube connecting sleeve, and when the automobile transmission shaft is overloaded, the first transmission shaft tube and the shaft tube connecting sleeve can rotate relatively, so that the problem that the transmission shaft is deformed and broken due to overload of one transmission shaft is avoided, and the failure rate of the automobile transmission shaft during overload transmission can be reduced.
Description
Technical Field
The utility model relates to the technical field of automobile transmission shafts, in particular to an automobile transmission shaft with a shearing protection function.
Background
The drive shaft is a shaft capable of transmitting power among drive shafts of the universal drive device. It is a rotating body with high rotation speed and less support. The drive shaft connects or assembles the various fittings, but the movable or rotatable circular object fittings are generally made of light alloy steel tubes with good torsion resistance. For front engine rear wheel drive vehicles, the transmission rotation is transmitted to the axle of the final drive, which may be several joints connected by universal joints.
The utility model provides a transmission steady car transmission shaft assembly of publication No. CN216951556U, includes the transmission shaft, the both ends of transmission shaft are provided with the cross axle, the other end of cross axle is provided with the universal joint, the both sides of universal joint are provided with the spline shaft fork, the both sides fixed link of spline shaft fork has the fixed block, the inside of fixed block is provided with the second spacing groove, the inside in second spacing groove corresponds and is provided with the connecting block, through setting up connecting block, spacing groove, second spring, recess, lug and go-between can make the dust cover install the surface at the transmission shaft can play the dustproof effect of protection, prevents in long-time in the use the inside serious assembly damage problem that leads to of deposition.
Meanwhile, an automobile transmission shaft with a dustproof effect is also searched for, wherein the automobile transmission shaft with the bulletin number of CN217814628U comprises a first shaft tube, a second shaft tube, a support assembly, a ball cage and a spline shaft, an installation space for bearing installation is arranged in a support body, two ends of the installation space are communicated with the outside, a support dust cover with a dustproof effect and a support fastening sleeve are respectively arranged on two sides of the bearing, the support dust cover is sleeved on the spline shaft and comprises a bottom and a flanging, the bottom is propped against the bearing, the flanging stretches towards one side far away from the bearing, and the support fastening sleeve is sleeved on the spline shaft and propped against the bearing, so that the automobile transmission shaft has the beneficial effects that: effectively prevent impurities such as silt, water from entering into the transmission shaft in the driving process, and improve the service life of the transmission shaft.
In summary, the following technical problems exist in the prior art: when the automobile transmission shaft is used, the rotation of the transmission is transmitted to the main speed reducer, but overload transmission exists during transmission, and the transmission shaft is deformed and distorted due to long-time and repeated overload transmission.
Disclosure of Invention
The utility model aims to provide a shearing protection type automobile transmission shaft, which aims to solve the problems that in the prior art, the automobile transmission shaft transmits the rotation of a speed changer to a main speed reducer when in use, but overload transmission exists when in transmission, and deformation and distortion of the transmission shaft are caused by long-time and repeated overload transmission.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an automotive drive shaft with shear protection comprising: connect fork and welding fork, the inboard of connecting fork is connected with the welding fork, and is connected through the universal joint assembly between welding fork and the connecting fork, one the welding fork deviates from the one end welding of universal joint assembly has first transmission shaft tube, another the welding fork deviates from the one end welding of universal joint assembly has the second transmission shaft tube, second transmission shaft tube and first transmission shaft tube junction cover are equipped with central siphon coupling sleeve, the laminating has the connection assembly seat on central siphon coupling sleeve's the outer pipe wall, the one side that the connection assembly seat deviates from central siphon coupling sleeve is equipped with locking mechanism, connecting bolt is installed to locking mechanism's intermediate position, connecting bolt's end-to-end connection has fastening nut.
Preferably, the second transmission shaft tube is in threaded connection with the shaft tube connecting sleeve through a connecting bolt and a fastening nut, and the outer wall of the first transmission shaft tube is tightly attached to the inner wall of the shaft tube connecting sleeve.
Preferably, the locking mechanism comprises a first locking piece, a first locking helical tooth, a first clamping tooth, a second locking piece, a second locking helical tooth and a second clamping tooth, wherein one side end face of the first locking piece is provided with the first locking helical tooth, the other side end face of the first locking piece is provided with the first clamping tooth, one side end face of the second locking piece is provided with the second locking helical tooth, the other side end face of the second locking piece is provided with the second clamping tooth, the first locking piece is mutually clamped with the second locking piece through the first clamping tooth, the second clamping tooth, the locking mechanisms are provided with two locking mechanisms, one locking mechanism is located at the joint of the connecting bolt and the connecting assembly seat, and the other locking mechanism is located at the joint of the fastening nut and the connecting assembly seat.
Preferably, the fitting position of the first transmission shaft tube and the shaft tube connecting sleeve is provided with an anti-falling assembly mechanism, the anti-falling assembly mechanism is composed of an assembly jogged groove and a jogged ferrule, the assembly jogged groove is formed in the outer wall of the first transmission shaft tube, the jogged ferrule is fixed on the inner wall of the shaft tube connecting sleeve, the assembly jogged groove and the jogged ferrule correspond to each other, and the assembly jogged groove and the jogged ferrule are in interference fit.
The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
the utility model divides the traditional automobile transmission shaft into the two-section structure of the first transmission shaft tube and the second transmission shaft tube, and the first transmission shaft tube and the second transmission shaft tube are connected through the shaft tube connecting sleeve, so that when the automobile transmission shaft is overloaded, the first transmission shaft tube and the shaft tube connecting sleeve can rotate relatively, thereby avoiding the problem of distortion and fracture caused by overload transmission of a transmission shaft, and reducing the failure rate of the automobile transmission shaft when the transmission is overloaded.
The anti-loosening assembly mechanism can ensure the tightness of connection between the shaft tube connecting sleeve and the second transmission shaft, avoid the problem that the connection of the transmission shaft of the automobile is dropped when the transmission shaft rotates for a long time, and simultaneously avoid the problem that the connection of the first transmission shaft tube and the shaft tube connecting sleeve drops when the first transmission shaft tube rotates relatively, thereby ensuring the stability of connection between the first transmission shaft tube and the shaft tube connecting sleeve.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of a connection between a shaft tube connecting sleeve and a second driveshaft tube according to the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model shown in FIG. 2 at a partially enlarged scale;
fig. 4 is a schematic structural view of a first locking tab according to the present utility model.
Fig. 5 is a schematic cross-sectional view of a first driveshaft tube and tube coupling sleeve connection of the present utility model.
In the figure: 1. a connecting fork; 2. a universal joint assembly; 3. welding a fork; 4. a first driveshaft tube; 5. a shaft tube is connected with the sleeve; 6. a connecting bolt; 7. fastening a screw cap; 8. connecting the assembly seat; 9. an anti-loose locking mechanism; 901. a first locking piece; 902. a first locking helical tooth; 903. a first engagement tooth; 904. a second locking piece; 905. the second locking helical teeth; 906. the second clamping teeth; 10. a second driveshaft tube; 11. an anti-falling assembly mechanism; 111. assembling the jogged groove; 112. the ferrule is engaged.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Description of the preferred embodiments
As shown in fig. 1 and 2, the present utility model provides a technical solution: the utility model discloses a shearing protection type automobile transmission shaft with a shearing protection type, which comprises a connecting fork 1 and a welding fork 3, wherein the inner side of the connecting fork 1 is connected with the welding fork 3, the welding fork 3 is connected with the connecting fork 1 through a universal joint assembly 2, one end of one welding fork 3 deviating from the universal joint assembly 2 is welded with a first transmission shaft tube 4, one end of the other welding fork 3 deviating from the universal joint assembly 2 is welded with a second transmission shaft tube 10, a shaft tube connecting sleeve 5 is sleeved at the joint of the second transmission shaft tube 10 and the first transmission shaft tube 4, a connecting assembly seat 8 is attached to the outer tube wall of the shaft tube connecting sleeve 5, one side of the connecting assembly seat 8 deviating from the shaft tube connecting sleeve 5 is provided with a locking mechanism 9, a connecting bolt 6 is arranged at the middle position of the locking mechanism 9, the tail end of the connecting bolt 6 is connected with a fastening nut 7, the second transmission shaft tube 10 is tightly attached to the inner wall of the shaft tube connecting sleeve 5 through the connecting bolt 6, and the outer wall of the first transmission shaft tube 4 is tightly attached to the inner wall of the shaft tube connecting sleeve 5.
Example two
The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:
as shown in fig. 2 to 4, in a preferred embodiment, based on the foregoing manner, a vehicle transmission shaft with shear protection further includes: the anti-loosening locking mechanism 9 is composed of a first locking piece 901, a first locking helical tooth 902, a first clamping tooth 903, a second locking piece 904, a second locking helical tooth 905 and a second clamping tooth 906, wherein the first locking helical tooth 902 is arranged on one side end face of the first locking piece 901, the first clamping tooth 903 is arranged on the other side end face of the first locking piece 901, the second locking helical tooth 905 is arranged on one side end face of the second locking piece 904, the second clamping tooth 906 is arranged on the other side end face of the second locking piece 904, the first locking piece 901 is mutually clamped with the second locking piece 904 through the first clamping tooth 903 and the second clamping tooth 906, the anti-loosening locking mechanism 9 is arranged in the joint of the connecting bolt 6 and the connecting assembly seat 8, the other anti-loosening locking mechanism 9 is arranged in the joint of the fastening nut 7 and the connecting assembly seat 8, the fastening performance of the connection between the shaft tube connecting sleeve 5 and the second transmission shaft tube 10 can be ensured through the arranged anti-loosening locking mechanism 9, and the problem that the connection of the transmission shaft of the automobile falls off during long-time rotation transmission is avoided.
As shown in fig. 1 and 5, in a preferred embodiment, based on the foregoing manner, a vehicle transmission shaft with shear protection further includes: the laminating department of first transmission shaft pipe 4 and central siphon coupling 5 is equipped with anti-drop assembly devices 11, anti-drop assembly devices 11 comprises assembly chimeric groove 111 and gomphosis lasso 112, assembly chimeric groove 111 is offered on first transmission shaft pipe 4 outer wall, gomphosis lasso 112 is fixed on central siphon coupling 5 inner wall, correspond each other between assembly chimeric groove 111 and the gomphosis lasso 112 to interference fit between assembly chimeric groove 111 and the gomphosis lasso 112, the problem that the connection drops appears when the relative rotation takes place between first transmission shaft pipe 4 and central siphon coupling 5 can be avoided to anti-drop assembly devices 11 that set up simultaneously, thereby can guarantee the stability of being connected between first transmission shaft pipe 4 and central siphon coupling 5.
From the above, it can be seen that:
the utility model aims at the technical problems that: when the automobile transmission shaft is used, the rotation of the transmission is transmitted to the main speed reducer, but overload transmission exists during transmission, and the transmission shaft is deformed and distorted due to repeated overload transmission for a long time; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
firstly, the first transmission shaft tube 4 that sets up can be connected with the derailleur of car power take off through fork 1, universal joint assembly 2, welding fork 3 etc. and the second transmission shaft tube 10 that sets up can be through fork 1, universal joint assembly 2, welding fork 3 is with power transmission to on the main reducer to accomplish power transmission, connect through shaft tube coupling sleeve 5 between first transmission shaft tube 4 and second transmission shaft tube 10, connecting bolt 6 etc. and connect, connecting bolt 6 that sets up runs through shaft tube coupling sleeve 5, connect fitting seat 8, locking mechanism 9, second transmission shaft tube 10 and be fixed with fastening nut 7 at the end, so guarantee the fastening nature that shaft tube coupling sleeve 5 and second transmission shaft tube 10 are connected, connecting bolt 6 and connecting fitting seat 8 junction, fastening nut 7 all install first locking piece 901, second locking piece 904, after the junction atress, first locking skewed tooth 902, second locking skewed tooth 905 can with connecting bolt, connecting fitting seat 8 and fastening nut 7 are closely laminated, simultaneously first snap-in 901 passes through first snap-in tooth 903, second snap-in tooth 903 can take place the die joint sleeve 5 and prevent the axial tube 112 from rotating the problem when the relative motion of the transmission shaft tube is connected with second transmission shaft tube 10, the opposite joint sleeve 5 takes place, the axial tube 112 is rotated in this way, the opposite side joint sleeve is avoided taking place, the axial tube joint between the opposite rotation of the opposite side of the first transmission shaft tube 4 and the axial tube is connected with the second transmission tube 5 has been formed the problem.
Through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:
the utility model divides the traditional automobile transmission shaft into a first transmission shaft tube 4 and a second transmission shaft tube 10 which are in a two-section structure, wherein the first transmission shaft tube 4 and the second transmission shaft tube 10 are connected through the shaft tube connecting sleeve 5, so that when the automobile transmission shaft is overloaded, the first transmission shaft tube 4 and the shaft tube connecting sleeve 5 can rotate relatively, thereby avoiding the problem of distortion deformation and fracture caused by overload transmission of the transmission shaft, and reducing the failure rate of the automobile transmission shaft when the transmission is overloaded.
The utility model can ensure the tightness of the connection between the shaft tube connecting sleeve 5 and the second transmission shaft tube 10 through the anti-loosening locking mechanism 9, avoid the problem that the connection of the transmission shaft of the automobile is dropped when the transmission shaft rotates for a long time, and simultaneously avoid the problem that the connection of the first transmission shaft tube 4 and the shaft tube connecting sleeve 5 is dropped when the relative rotation occurs through the anti-loosening assembly mechanism 11, thereby ensuring the stability of the connection between the first transmission shaft tube 4 and the shaft tube connecting sleeve 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automotive drive shaft with shear protection comprising: the connecting fork (1) and welding fork (3), its characterized in that, the inboard of connecting fork (1) is connected with welding fork (3), and is connected through universal joint assembly (2) between welding fork (3) and connecting fork (1), one welding fork (3) deviate from one end welding of universal joint assembly (2) have first transmission shaft tube (4), another welding fork (3) deviate from one end welding of universal joint assembly (2) have second transmission shaft tube (10), second transmission shaft tube (10) are equipped with central siphon connecting sleeve (5) with first transmission shaft tube (4) junction cover, laminating has connection assembly seat (8) on the outer pipe wall of central siphon connecting sleeve (5), one side that connection assembly seat (8) deviate from central siphon connecting sleeve (5) is equipped with locking mechanism (9), connecting bolt (6) are installed to locking mechanism's (9) intermediate position, the end-to-end connection of connecting bolt (6) has fastening nut (7).
2. The automobile transmission shaft with shear protection according to claim 1, wherein the second transmission shaft tube (10) is in threaded connection with the shaft tube connecting sleeve (5) through a connecting bolt (6) and a fastening nut (7), and the outer wall of the first transmission shaft tube (4) is tightly attached to the inner wall of the shaft tube connecting sleeve (5).
3. The automobile transmission shaft with shear protection according to claim 1, wherein the anti-loosening locking mechanism (9) is composed of a first locking piece (901), a first locking helical tooth (902), a first clamping tooth (903), a second locking piece (904), a second locking helical tooth (905) and a second clamping tooth (906), one side end face of the first locking piece (901) is provided with the first locking helical tooth (902), and the other side end face of the first locking piece (901) is provided with the first clamping tooth (903).
4. A car transmission shaft with shear protection according to claim 3, wherein one side end surface of the second locking piece (904) is provided with a second locking helical tooth (905), and the other side end surface of the second locking piece (904) is provided with a second clamping tooth (906).
5. A car transmission shaft with shear protection according to claim 3, characterized in that the first locking piece (901) is mutually clamped between the first clamping tooth (903), the second clamping tooth (906) and the second locking piece (904), two locking mechanisms (9) are arranged, one locking mechanism (9) is located at the joint of the connecting bolt (6) and the connecting assembly seat (8), and the other locking mechanism (9) is located at the joint of the fastening nut (7) and the connecting assembly seat (8).
6. The automobile transmission shaft with shear protection according to claim 2, wherein an anti-falling assembly mechanism (11) is arranged at the joint of the first transmission shaft tube (4) and the shaft tube connecting sleeve (5), and the anti-falling assembly mechanism (11) is composed of an assembly jogged groove (111) and a jogged ferrule (112).
7. The automobile transmission shaft with shear protection according to claim 6, wherein the fitting groove (111) is formed on the outer wall of the first transmission shaft tube (4), the fitting collar (112) is fixed on the inner wall of the shaft tube connecting sleeve (5), the fitting groove (111) and the fitting collar (112) correspond to each other, and the fitting groove (111) and the fitting collar (112) are in interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571786.1U CN219299812U (en) | 2022-12-31 | 2022-12-31 | Take shearing protection formula car transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571786.1U CN219299812U (en) | 2022-12-31 | 2022-12-31 | Take shearing protection formula car transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299812U true CN219299812U (en) | 2023-07-04 |
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ID=86952671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223571786.1U Active CN219299812U (en) | 2022-12-31 | 2022-12-31 | Take shearing protection formula car transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299812U (en) |
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2022
- 2022-12-31 CN CN202223571786.1U patent/CN219299812U/en active Active
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