CN-121067003-B - Annular transmission device of hydraulic tensioner of electric automobile engine

Abstract

The invention provides an annular transmission device of a hydraulic tensioner of an electric automobile engine, which belongs to the technical field of transmission devices and comprises a lower support, wherein the upper end of the lower support is movably connected with an upper support, an upper supporting table and a lower supporting table are arranged on the inner side of the lower support, a connecting rod is arranged between each pair of waist-shaped adjusting holes, a driven shaft is in transmission connection with a power shaft through a synchronous belt, a connecting seat is connected with a telescopic cylinder and the connecting rod is connected with the upper support through connecting pieces, the two lateral sides of the connecting seat are connected with the inner side of the lower support through transverse vibration damping, one lateral vibration damping side at the upper part is in sliding buckling connection with the inner side wall of the lower support, and a longitudinal vibration damping module is arranged between the two lateral sides of the telescopic cylinder and the upper support. The invention solves the problems that the existing annular transmission device of the hydraulic tensioner of the electric automobile engine is poor in stability during vibration reduction, connected parts are disassembled due to frequent vibration, normal use of the device cannot be ensured, and the maintenance period of the device is shortened.

Inventors

• WANG WENHUAN

Assignees

• 江苏爱尔特实业有限公司

Dates

Publication Date

20260508

Application Date

20250902

Claims (6)

1. 1. The utility model provides an electric automobile engine hydraulic tensioner ring transmission, the utility model comprises a lower support, the upper end of lower carriage is movably connected with the upper bracket, upper brace table and lower brace table are installed to the inboard of lower carriage, a pair of riser of upper brace table upper end slides and passes the lower carriage and link firmly with a pair of diaphragm of upper bracket, the lower extreme of upper brace table and the upper end of lower brace table all slide the knot connect seat, install flexible jar between a pair of connecting seat, two pairs of waist type regulation holes are reserved on the horizontal both sides of lower carriage, install the connecting rod between every pair of waist type regulation hole, the upper bracket is rotatory on the driven shaft, the power axle is rotated to the one side of lower carriage, driven shaft and power axle link through the hold-in range transmission, characterized in that, between connecting seat and flexible jar and connecting rod and upper carriage all link through the linking piece, the horizontal both sides of connecting seat link through horizontal damping with the inboard of lower carriage, the horizontal damping one side of top slide the knot of upper side and the inside wall of lower carriage link, vertical module is installed between horizontal both sides of flexible jar and upper bracket; The linking piece contains the scarf joint and installs the linking post in the scarf joint the inside, links firmly with corresponding telescopic cylinder, connecting rod on one side that the linking post kept away from the scarf joint, still contains: The connecting module is connected with one side of the embedding joint in an embedding way; The rotating unit is arranged in the caulking joint and is embedded with two pairs of locking units which are circumferentially and equally arranged in the caulking joint at equal intervals; the restraining units are arranged on two sides of the inside of the embedded joint in a mirror image mode, and the restraining units execute restraint on the orientation of the connecting module after changing; the reinforcing unit A is assembled in one side of the caulking joint far from the connection module; The reinforcing units B are provided with two pairs, and the two pairs of reinforcing units B are circumferentially arranged in the caulking joint at equal intervals; Wherein, the rotating unit comprises a rotating pipe, a pair of skew ports A and a pair of skew ports B are reserved on the outer surface of the rotating pipe, the skew ports A are spaced by half a circle, the skew ports B are spaced by half a circle, and two pairs of skew ports C are reserved on the outer surface of the rotating pipe in the circumferential direction; The restraining unit comprises a restraining sheet and a blocking table fixedly connected to one side of the restraining sheet, a pair of rectangular openings A and a pair of arch-shaped openings are reserved on the inner surface of the embedded joint, the pair of rectangular openings A are spaced by half a circle, and the pair of arch-shaped openings are spaced by half a circle; The locking unit comprises a skew table A and a skew table B which is in fit connection with the skew table A, and an arch-shaped sheet is fixedly connected with one side of the skew table B; The reinforcing unit A comprises two pairs of changing chambers and changing columns which are circumferentially and equally arranged in a caulking joint, a silica gel bag is arranged in the caulking joint, the reinforcing unit B comprises an interlock table, and two pairs of guide ports are circumferentially and equally arranged at one side of the rotating pipe distance reinforcing unit A; The inclined opening A and the inclined opening C are arranged in opposite directions, the outer surface of the embedded joint is connected with a wire opening pipe by wires, a column B is movably arranged in the inclined opening B, and one side, away from each other, of a pair of columns B is fixedly connected with a constraint table; A ditch path for performing transverse constraint on the constraint table is reserved in the wire mouth pipe, one side of the constraint table, which is far away from the column body B, is movably arranged in the wire mouth pipe, and a rectangular opening B for performing circumferential constraint on the constraint table is reserved in the embedded joint; when the wire mouth pipe rotates, the traction constraint table and the column B change towards the side far from the connecting module, when the column B changes, the direction of the inclined mouth B changes, and the traction rotating pipe rotates.
2. 2. The device of claim 1, wherein the engagement module comprises an engagement portion and a tooth opening fixedly connected to the outer peripheral surface of the engagement portion, a flange is arranged on the outer peripheral surface of one side of the engagement portion, which is far away from the engagement post, the flange is attached to the outer wall surface of the corresponding connecting seat and the outer side wall of the upper bracket, a pair of columns A are fixedly connected to the outer peripheral surface of the engagement portion, the columns A are spaced from each other by half a circle, and the columns A are movably engaged in the rectangular opening A at the beginning.
3. 3. The annular transmission device of the hydraulic tensioner of the electric automobile engine of claim 1, wherein a column C is fixedly connected to one wall surface of the pair of restraining plates, which is opposite to each other, the column C is movably arranged in the inclined opening A, one side of the rectangular opening A, which is opposite to each other, is communicated with one side of the arch opening, and the blocking table is arranged in the arch opening.
4. 4. The annular transmission device of the hydraulic tensioner of the electric automobile engine of claim 1, wherein a column D is fixedly connected to a wall surface opposite to a pair of skew tables A, the column D is movably arranged in a skew port C, one side opposite to each other of the skew tables A and B is in a skew shape, and one side, far from the skew table B, of an arch-shaped sheet is fixedly connected with a stop block; one side wall of the stop block can be embedded into a notch on the peripheral surface of the connecting column, the stop block is separated from the surface of the connecting column at the beginning, one side of the arch-shaped sheet far from the stop block is fixedly connected with a wave-shaped beryllium copper strip, and the arch-shaped sheet is connected with the embedded joint through the beryllium copper strip.
5. 5. The annular transmission device of the hydraulic tensioner of the electric automobile engine of claim 1, wherein a silica gel table is movably arranged in the changing chamber, a changing column is fixedly connected to the silica gel table, one side of the changing column, which is far from the silica gel table, is fixedly connected with the deflection table A, and a through hole communicated with a silica gel bag is reserved on one side of the changing chamber; the engagement table is stored in the caulking joint at the beginning, the cylinder E is fixedly connected in the middle of the engagement table, an engagement opening is reserved on the inner side surface of the engagement table, the cylinder E is movably arranged in the guide opening, and a constraint channel for transversely constraining the cylinder E is reserved on the inner wall of the caulking joint.
6. 6. The annular transmission device of the hydraulic tensioner of the electric automobile engine of claim 1, wherein the longitudinal vibration damping module comprises two pairs of fixing plates fixedly connected to two lateral sides of the inner side of the lower bracket, two groups of longitudinal vibration damping blocks are fixedly connected to opposite wall surfaces of each pair of fixing plates, an inner bracket is fixedly connected between the two groups of longitudinal vibration damping blocks, and two vertical plates of the inner bracket slide through the lower bracket and are fixedly connected with the upper bracket.

Description

Annular transmission device of hydraulic tensioner of electric automobile engine Technical Field The invention belongs to the technical field of transmission devices, and particularly relates to an annular transmission device of a hydraulic tensioner of an electric automobile engine. Background Automotive engine hydraulic tensioners are an important component in engine timing systems, and their primary function is to guide and tension the timing belt or chain of the engine, ensuring that they are always in an optimal tension. The working principle of the hydraulic tensioner is based on a combination of oil pressure and mechanical structure. When the engine is running, hydraulic oil provided by the oil pump enters an oil cavity of the hydraulic tensioner to push a piston or a similar element to move outwards, so that tensioning of a timing belt or a chain is realized. The utility model discloses a prior art CN118912166A discloses a car engine hydraulic tensioner ring transmission, which comprises a bracket, one side lower limit fixedly connected with lower L template of support, the top of lower L template is provided with the L template, sliding connection has lower connecting seat in the upper surface of lower L template along both sides direction, sliding connection has last connecting seat in the lower surface of upper L template along both sides direction, be provided with horizontal elastic mechanism between lower L template and the lower connecting seat respectively, install the telescopic cylinder between upper connecting seat and the lower connecting seat, one side surface upper end department of lower L template is connected with the baffle through vertical elastic mechanism, one side surface fixedly connected with guide cylinder of upper L template, the inboard of upper end sliding insertion guide cylinder of upper L template, the upper surface fixedly connected with lifter plate of upper L template, the back of lifter plate is provided with from driving wheel mechanism, one side rotation that the support kept away from lower L template is installed the power shaft, the surface of axle passes through the synchronous belt transmission with driving wheel mechanism. The vibration reduction structure of the transmission device is arranged on one side of the transmission device, the stability during vibration reduction is poor due to the arrangement, the telescopic cylinder and the upper bracket are assembled in a threaded connection mode, the connected parts are disassembled due to frequent vibration, normal use of the device cannot be guaranteed, and the maintenance period of the device is shortened. Disclosure of Invention The invention provides an annular transmission device of a hydraulic tensioner of an electric automobile engine, which aims to solve the problems that the vibration reduction structure of the existing annular transmission device of the hydraulic tensioner of the electric automobile engine is arranged on one side of the transmission device, the stability in the vibration reduction period is poor due to the arrangement, a telescopic cylinder and an upper bracket are assembled in a threaded connection mode, connected parts are disassembled due to frequent vibration, normal use of the device cannot be guaranteed, and the maintenance period of the device is shortened. The embodiment of the invention provides an annular transmission device of a hydraulic tensioner of an electric automobile engine, which comprises a lower bracket, wherein the upper end of the lower bracket is movably connected with the upper bracket, an upper supporting table and a lower supporting table are arranged on the inner side of the lower bracket, a pair of vertical plates at the upper end of the upper supporting table penetrate through the lower bracket in a sliding way and are fixedly connected with a pair of transverse plates of the upper bracket, a connecting seat is transversely buckled with the lower end of the upper supporting table in a sliding way, a telescopic cylinder is arranged between the pair of connecting seats, two pairs of waist-shaped adjusting holes are reserved on the transverse two sides of the lower bracket, a connecting rod is arranged between each pair of waist-shaped adjusting holes, a driven shaft is screwed on the upper bracket, one side of the lower bracket is screwed with a power shaft, the driven shaft is connected with the power shaft through a synchronous belt transmission, the connecting seat is connected with the telescopic cylinder, the connecting rod is connected with the inner side of the lower bracket through a transverse damping link piece, and the transverse two sides of the connecting seat are connected with the inner side wall of the lower bracket through transverse damping, and a longitudinal module is arranged between the transverse two sides of the telescopic cylinder and the upper bracket. Further, the linking piece contains the scarf joint and installs the linking