CN213332282U - Auto-parts water pump pulley - Google Patents

Abstract

The utility model discloses an auto-parts water pump belt pulley, including the drain pan, the drain pan facial make-up is equipped with the cushion, and the cushion facial make-up is equipped with the fixed plate, and the fixed plate facial make-up is equipped with the stand, and the bottom cover of stand is equipped with the belt pulley, and the fixed orifices has been seted up on the upper portion of stand, and the inner wall of fixed orifices is equipped with the internal thread, wears to be equipped with the dead lever in the fixed orifices, and the pole outer wall of dead lever is equipped with the external screw thread, external screw thread and internal thread threaded connection. Can make belt pulley pivoted more smooth through the bearing, reduce piece internal stress of friction, because the external screw thread on the dead lever is with the internal thread screw-thread fit in the fixed orifices, maintain and change the messenger to the belt pulley as needs, the staff rotates through holding the swing arm with the hand, and it is rotatory that the messenger revolves the piece and can drive the dead lever to be convenient for take off from the stand and revolve the piece, make things convenient for the staff to take out the belt pulley from the stand, easy operation is convenient.

Description

Auto-parts water pump pulley

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to auto-parts water pump pulley.

Background

At present, an automobile water pump is an indispensable important component of an automobile and is an important part in an automobile engine, the automobile engine generally adopts a centrifugal water pump, and the basic structure of the water pump comprises a water pump body, a connecting disc or a belt pulley, a water pump shaft and a bearing or a shaft connecting bearing, a water pump impeller, a water seal device, a belt pulley and other parts.

Present auto-parts water pump belt pulley is the one end fixed connection that the pump body was worn out to direct and pump shaft more, the belt pulley passes through automobile engine the place ahead belt drive water pump, the generator, parts such as air condition compressor constitute the function, can feed the water pump with the power transmission of bent axle output, drive through frictional force, let the bent axle wheel when rotating, positive power is done to the frictional force of bent axle wheel pair belt, make the speed increase of belt, the belt is done positive power to the frictional force of water pump wheel, thereby it is also rotatory to drive the water pump wheel, the weak point of existence has: because the water pump shaft bears the radial force and the bending moment generated by the belt tension, the radial force and the bending moment are transmitted to the water pump body support through the outer ring of the bearing, the belt pulley bears a large amount of radial force and bending moment, the belt pulley is thickened in general use in order to ensure normal work of the belt pulley, the internal stress of the belt pulley is increased, the belt pulley is used for a long time, the belt pulley is easy to crack, the whole maintenance and replacement are required to be carried out by a worker regularly, the operation is complex during the disassembly, the using tools are numerous, the whole disassembly is required, and the resource waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auto-parts water pump pulley to solve the inconvenient problem of dismantling of current auto-parts water pump pulley.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an auto-parts water pump belt pulley, includes the drain pan, the drain pan facial make-up is equipped with the cushion, the cushion facial make-up is equipped with the fixed plate, the fixed plate facial make-up is equipped with the stand, the bottom cover of stand is equipped with the belt pulley, the fixed orifices has been seted up on the upper portion of stand, the inner wall of fixed orifices is equipped with the internal thread, wear to be equipped with the dead lever in the fixed orifices, the pole outer wall of dead lever is equipped with the external screw thread, external screw thread and internal thread threaded connection, the dead lever facial make-up is equipped with revolve.

Preferably, a felt is arranged in the wheel groove of the belt pulley.

Preferably, the stand column is sleeved with a rotary ring, the rotary ring is provided with a rotary hole, the stand column penetrates through the rotary hole, one side of the rotary ring is provided with a limiting shell, the rotary block is provided with a sliding hole, a sliding rod is matched with the inner thread of the sliding hole, the bottom of the sliding rod is provided with a pressing block, a fixing groove and a groove are formed in the fixing plate, and the bottom of the limiting shell is inserted into the fixing groove.

Preferably, the bottom plate has been installed to the bottom of drain pan, the fixed block has been installed to the ring-shaped on the bottom plate, threaded hole has been seted up on the fixed block, ring-shaped on the drain pan has been seted up and has been perforated, the bolt is worn to be equipped with in perforation and the threaded hole, and the bolt is in threaded connection in the threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an auto-parts water pump belt pulley, compared with the prior art, through the roll cooperation of bearing with the belt pulley, can make belt pulley pivoted more smooth, reduce a friction internal stress, because the external screw thread on the dead lever cooperates with the internal thread on the fixed orifices pore wall, maintain and change the messenger to the belt pulley as required, the staff can rotate through holding the swing arm with the hand, it is rotatory that the messenger revolves the piece and can drive the dead lever, thereby be convenient for take off from the stand and revolve the piece, make things convenient for the staff to take out the belt pulley from the stand, easy operation is convenient.

The utility model provides an auto-parts water pump belt pulley through the felt in the belt pulley race, can increase the frictional force between belt and the belt pulley, and the phenomenon that can avoid skidding takes place.

The utility model provides an auto-parts water pump belt pulley, because slide bar and slide opening are screw-thread fit, the commentaries on classics hole on the swivel is clearance fit with the stand, can adjust the position of restriction shell on the fixed plate, through rotatory slide bar, can make the slide bar longitudinal movement in the slide opening, let the bottom of pressing the briquetting under the slide bar with the restriction shell push down to the fixed slot in to can fix the position of restriction shell on the fixed plate, the restriction shell can avoid the belt to break away from the race of belt pulley.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the structure of the present invention.

In the figure: the device comprises a bottom shell 1, a cushion block 2, a fixing plate 3, a vertical column 4, a belt pulley 5, a fixing hole 6, an internal thread 7, a fixing rod 8, an external thread 9, a rotary block 10, a rotary rod 11, a felt 12, a rotary ring 13, a rotary hole 14, a limiting shell 15, a sliding hole 16, a sliding rod 17, a pressing block 18, a fixing groove 19, a groove 20, a bearing 21, a base 22, a fixing block 23, a threaded hole 24, a perforation 25 and a bolt 26.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 2, an automobile accessory water pump pulley comprises a bottom shell 1, which is of a hemispherical structure, a backing plate 2 is welded to the upper end of the bottom shell 1, the backing plate 2 is a cylindrical plate and is located at a middle position, a fixing plate 3 is welded to the upper surface of the backing plate 2, the fixing plate 3 is a circular plate, the diameter of the fixing plate 3 is larger than that of the cushion block 2, an upright post 4 is welded to the upper surface of the fixing plate 3, the upright post 4 is a cylinder and is located at the middle position, a bearing 21 is sleeved at the bottom of the upright post 4, the inner wall of the bearing 21 is in interference fit with the outer wall of the upright post 4, a pulley 5 is sleeved on the bearing 21, the pulley 5 is a V-shaped wheel, a felt 12 is bonded in a wheel groove of the pulley 5, friction force between the belt and the pulley 5 can be increased through the felt 12 in the wheel groove of the pulley, the fixed hole 6 is a circular hole and is positioned in the middle, the inner wall of the fixed hole 6 is provided with an internal thread 7, a fixed rod 8 is inserted in the fixed hole 6, the fixed rod 8 is a cylindrical rod, the outer wall of the fixed rod 8 is provided with an external thread 9, the external thread 9 is in threaded fit with the internal thread 7, the upper end of the fixed rod 8 is welded and connected with a rotary block 10, the rotary block 10 is a cylindrical block, the periphery of the outer wall of the rotary block 10 is uniformly welded and connected with rotary rods 11, the rotary rods 11 are cylindrical rods, the number of the rotary rods is 4, the belt pulley 5 can be more smoothly rotated through the rolling fit of a bearing 21 and the belt pulley 5, the friction internal stress of the block is reduced, because the external thread 9 on the fixed rod 8 is in threaded fit with the internal thread 7 on the hole wall of the fixed hole 6, when the belt pulley 5 needs to be maintained and replaced, thereby be convenient for take off from stand 4 spiral piece 10, make things convenient for the staff to take out belt pulley 5 from stand 4, easy operation is convenient.

Referring to fig. 1 and 2, a swivel 11 is sleeved on an upright post 4, the swivel 11 is of a semicircular structure, a swivel hole 14 is formed in the swivel 11, the swivel hole 14 is a circular hole and is located at a middle position, the upright post 4 penetrates through the swivel hole 14 and is in clearance fit, a limiting shell 15 is welded and connected to the right side of the swivel 13 and is of an arc-shaped L-shaped structure, sliding holes 16 are uniformly formed in the upper surface of a swivel 10 and are circular holes, threads are arranged in the sliding holes 16, the number of the sliding holes 16 is 8, a sliding rod 17 is matched with the inner threads of the sliding holes 16, the sliding rod 17 is a screw rod, a pressing block 18 is welded and connected to the lower end of the sliding rod 17, the pressing block 18 is a cylindrical block, an annular groove 20 is formed in the upper surface of a fixing plate 3, friction force generated when the belt pulley 5 rotates can be enabled, a fixing groove 19 is formed in the right side of the upper surface of the, the rotary hole 14 on the rotary ring 13 is in clearance fit with the upright post 4, the position of the limiting shell 15 on the fixed plate 3 can be adjusted, the slide rod 17 can move longitudinally in the slide hole 16 by rotating the slide rod 17, the bottom of the limiting shell 15 is pressed into the fixed groove 19 by the pressing block 18 under the slide rod 17, so that the position of the limiting shell 15 on the fixed plate 3 can be fixed, the limiting shell 15 can avoid the belt from being separated from the wheel groove of the belt pulley 5, the bottom of the bottom shell 1 is sleeved on the bottom plate 22, the upper surface of the bottom plate 22 is annularly welded and connected with the fixed block 23, the fixed block 23 is a cylindrical block, the upper surface of the fixed block 23 is provided with a threaded hole 24 and is located at the middle position, the upper surface of the bottom shell 1 is annularly provided with a through hole 25, the through hole 25 is a circular hole, the through hole 25 is in size and position corresponding to the threaded hole 24 one by one, the through bolt, the bottom case 1 can be fixedly coupled to the base plate 22 by inserting bolts 26 through the through holes 25 of the bottom case 1 and the threaded holes of the fixing blocks 23.

In implementation, because the sliding rod 17 is in threaded fit with the sliding hole 16, the rotating hole 14 on the rotating ring 13 is in clearance fit with the upright post 4, the position of the limiting shell 15 on the fixing plate 3 can be adjusted, the sliding rod 17 can be moved longitudinally in the sliding hole 16 by rotating the sliding rod 17, and the bottom of the limiting shell 15 is pressed into the fixing groove 19 by the pressing block 18 under the sliding rod 17, so that the position of the limiting shell 15 on the fixing plate 3 can be fixed, the limiting shell 15 can prevent a belt from being separated from a pulley groove of the belt pulley 5, and the rotating of the belt pulley 5 can be smoother by the rolling fit of the bearing 21 and the belt pulley 5, so that the block friction internal stress is reduced, because the external thread 9 on the fixing rod 8 is in threaded fit with the internal thread 7 on the fixing hole 6, when the belt pulley 5 needs to be maintained and replaced, a worker can rotate the rotating rod 11 by holding the hand, so that the rotating block 10 can drive, thereby be convenient for take off from stand 4 and revolve piece 10, make things convenient for the staff to take out belt pulley 5 from stand 4, easy operation is convenient, can solve the inconvenient problem of dismantling of current auto-parts water pump belt pulley.

Claims (4)

1. The utility model provides an auto-parts water pump pulley, includes drain pan (1), its characterized in that: drain pan (1) facial make-up is equipped with cushion (2), cushion (2) facial make-up is equipped with fixed plate (3), fixed plate (3) facial make-up is equipped with stand (4), the bottom cover of stand (4) is equipped with belt pulley (5), fixed orifices (6) have been seted up on the upper portion of stand (4), the inner wall of fixed orifices (6) is equipped with internal thread (7), wear to be equipped with dead lever (8) in fixed orifices (6), the pole outer wall of dead lever (8) is equipped with external screw thread (9), external screw thread (9) and internal thread (7) threaded connection, dead lever (8) facial make-up is equipped with revolves piece (10), revolve piece (10) around installed swing arm (11).

2. The automobile accessory water pump pulley according to claim 1, wherein: and a felt (12) is arranged in the wheel groove of the belt pulley (5).

3. The automobile accessory water pump pulley according to claim 1, wherein: the utility model discloses a limiting device for the automobile seat, including stand (4), the cover is equipped with swivel (13) on stand (4), swivel (13) are gone up to have seted up and have been run through in swivel (14) and stand (4), limit shell (15) are installed to one side of swivel (13), smooth hole (16) have been seted up on revolving block (10), smooth hole (16) interior screw-thread fit has slide bar (17), press block (18) have been installed to the bottom of slide bar (17), fixed slot (19) and fluting (20) have been seted up on fixed plate (3), the bottom interlude of limit shell (15) is in fixed slot (19).

4. The automobile accessory water pump pulley according to claim 1, wherein: the bottom plate (22) is installed at the bottom of the bottom shell (1), the fixing blocks (23) are installed on the bottom plate (22) in a ring-shaped mode, threaded holes (24) are formed in the fixing blocks (23), through holes (25) are formed in the bottom shell (1) in a ring-shaped mode, bolts (26) penetrate through the through holes (25) and the threaded holes (24), and the bolts (26) are in threaded connection with the threaded holes (24).

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