CN214933838U

CN214933838U - Combined type discharging equipment for transporting steering gear

Info

Publication number: CN214933838U
Application number: CN202121295238.3U
Authority: CN
Inventors: 周士锋; 张铁伟
Original assignee: Hefei Yubei Automobile Power Steering Gear Co ltd
Current assignee: Hefei Yubei Automobile Power Steering Gear Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-30
Anticipated expiration: 2031-06-10

Abstract

The application relates to the technical field of discharging equipment of a steering gear, and discloses combined discharging equipment for transporting the steering gear, which comprises a supporting table, wherein the top of the supporting table is fixedly connected with a motor, the outer surface of an output shaft of the motor is fixedly connected with a rotating plate, a sliding block is driven by the motor through the rotating plate and a connecting rod to rotate anticlockwise, the sliding block rotates anticlockwise to drive a U-shaped fixed block to move to the position of a cylinder on the left side of the U-shaped fixed block, the sliding block pulls a sliding seat and a pushing block to rotate anticlockwise to the position of the cylinder on the right side of the pushing block, then the rotating plate drives the sliding block to move upwards through the connecting rod, the sliding block moves upwards to drive the U-shaped fixed block to insert into the outer surface of the cylinder, the sliding block drives the pushing block to extrude a limiting block to move downwards, then the pushing block passes through a limiting block and rotates anticlockwise to drive the cylinder to rotate anticlockwise through the U-shaped fixed block, the cylinder rotates anticlockwise to drive the turntable to rotate, and the purpose of driving the material to rotate is achieved.

Description

Combined type discharging equipment for transporting steering gear

Technical Field

The application relates to the field of transportation of steering gears, in particular to combined type discharging equipment for transportation of steering gears.

Background

The steering gear is applied to the fields of vehicle steering and ship hydraulic pressure, the steering gear is subjected to appropriate conversion through steering torque and steering angle and then output to a steering pull rod mechanism, so the steering gear is essentially a speed reduction transmission device, the steering gear has various types, such as a rack and pinion type, a circulating ball type, a worm crank pin type, a power steering gear and the like, and in the production process of the existing steering gear, the emptying equipment is one of equipment for producing the steering gear, but the existing emptying equipment is transported in a linear mode and does not have a rotating function, so the application efficiency of the emptying equipment is low.

SUMMERY OF THE UTILITY MODEL

In order to realize that the emptying equipment has a rotating function, the application provides combined emptying equipment for transporting a steering gear.

The application provides a combination formula blowing equipment of steering gear transportation adopts following technical scheme:

a combined type discharging device for transporting a steering gear comprises a supporting table, wherein a motor is fixedly connected to the top of the supporting table, a rotating plate is fixedly connected to the outer surface of an output shaft of the motor, a connecting rod is hinged to one side, away from the motor, of the rotating plate, a sliding block is fixedly connected to one side, away from the rotating plate, of the connecting rod, a U-shaped fixed block is fixedly connected to one side, close to the connecting rod, of the sliding block, a sliding seat is slidably connected to the outer surface of the sliding block, a rotating shaft at the top of the sliding seat is rotatably connected with the inside of the supporting table, a pushing block is fixedly connected to one side, away from the U-shaped fixed block, of the sliding seat, a rotating disc is rotatably connected to the bottom of the sliding seat, a discharging groove is formed in the inner edge side of the rotating disc, a rotating rod is rotatably connected to the bottom of the rotating disc, the bottom of the rotating rod is fixedly connected with the top of the supporting table, and a sliding groove is formed in one side, close to the center of the rotating disc, the sliding groove is arranged in the rotary table, one side of the inner wall of the sliding groove, which is close to the discharging groove, is fixedly connected with a first return spring, one side of the first return spring, which is far away from the rotary table, is fixedly connected with a baffle plate, the outer surface of the baffle plate is in sliding connection with the inner part of the rotary table, the side wall of the baffle plate is fixedly connected with a push seat, the outer surface of the push seat is in sliding connection with the inner part of the rotary table, the inner part of the push seat is fixedly connected with a second return spring, the top of the second return spring is fixedly connected with a limiting block, the outer surface of the limiting block is in sliding connection with the inner wall of the push seat, one side of the push seat, which is close to the discharging groove, is fixedly connected with a cylinder, the outer surface of the cylinder is in sliding connection with the inner wall of the rotary table, the bottom of the rotary table is fixedly connected with an annular rack, the bottom of the annular rack is provided with a transmission device, one side of the transmission device, which is far away from the annular rack, is provided with a transmission gear, and a power shaft of the conveying device is fixedly connected inside the transmission gear.

By adopting the technical scheme, the motor rotates to drive the sliding block to rotate anticlockwise through the rotating plate and the connecting rod, the sliding block rotates anticlockwise to drive the U-shaped fixed block to move to the position of the cylinder on the left side of the U-shaped fixed block, meanwhile, the sliding block pulls the sliding seat and the pushing block to rotate anticlockwise to the position of the cylinder on the right side of the pushing block, then the rotating plate drives the sliding block to move upwards through the connecting rod, the sliding block drives the U-shaped fixed block to insert into the outer surface of the cylinder, meanwhile, the sliding block drives the pushing block to extrude the limiting block to move downwards, then, the pushing block passes through the limiting block, then, the sliding block rotates anticlockwise to drive the cylinder to rotate anticlockwise through the U-shaped fixed block, the cylinder rotates anticlockwise to drive the rotating disc to rotate, then, the rotating plate rotates to drive the sliding block to move downwards through the connecting rod, the sliding block moves downwards to drive the limiting block to push the pushing seat to move towards the direction of the transportation device, the pushing seat moves towards the direction of the conveying device to drive the baffle plate to compress the first reset spring, meanwhile, the pushing seat pushes the cylinder to push the material out of the feeding groove, then the material falls on the upper portion of the conveying device, the purpose of driving the material to rotate is achieved, and meanwhile the purpose of pushing the material is achieved.

Preferably, transmission includes the driving gear, the top and the annular rack of driving gear rotate to be connected, and the teeth of a cogwheel of driving gear and the teeth of a cogwheel intermeshing of annular rack, the inside fixedly connected with initiative bull stick of driving gear, and the surface and the brace table of initiative bull stick rotate to be connected, one side fixedly connected with auxiliary gear that the initiative bull stick kept away from the driving gear, and auxiliary gear's the back is connected with drive gear's front rotation, drive gear's the teeth of a cogwheel and auxiliary gear's the teeth of a cogwheel intermeshing.

Through adopting above-mentioned technical scheme, drive the driving gear through annular rack and rotate, the driving gear rotates and drives the rotation of initiative bull stick, and the rotation of initiative bull stick drives auxiliary gear and rotates, and auxiliary gear rotates and drives drive gear and rotate to provide power for conveyer.

Preferably, the conveying device comprises a first roller, the outer surface of a power shaft of the first roller is rotatably connected with a top supporting rod of the supporting table, the outer surface of the power shaft of the first roller is fixedly connected with the inner part of the transmission gear, a conveying belt is rotatably connected to the outer surface of the first roller, one side, away from the first roller, of the conveying belt is rotatably connected with a second roller, and the outer surface of the power shaft of the second roller is rotatably connected with a supporting rod of the supporting table.

Through adopting above-mentioned technical scheme, rotate through drive gear and drive gyro wheel and rotate, gyro wheel rotates and drives the second rotation of gyro wheel through the conveyer belt, and the conveyer belt rotates simultaneously with the gyro wheel two and drives the conveyer belt and rotate the mesh of defeated material of fortune.

Preferably, the shape of the limiting block is a circular truncated cone shape, and the shape of the cross section of the push block is an L shape.

Through adopting above-mentioned technical scheme, the shape of stopper is the round platform type, and the ejector pad of being convenient for extrudes the stopper downstream, prevents that the stopper from restricting the position of ejector pad.

Preferably, the height of the U-shaped fixing block and the height of the cylinder are on the same horizontal line, the position of the limiting block and the bottom of the pushing block are on the same horizontal position, and a groove matched with the size of the limiting block is formed in the bottom of the pushing block.

Through adopting above-mentioned technical scheme, the height of U type fixed block and cylindrical highly be in same water flat line, and the U type fixed block of being convenient for drives the carousel through the cylinder and rotates, and the position of stopper and the bottom of ejector pad are in same horizontal position, and the ejector pad of being convenient for promotes the stopper motion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the motor drives the sliding block to rotate anticlockwise through the rotating plate and the connecting rod, the sliding block rotates anticlockwise to drive the U-shaped fixed block to move to the position of a cylinder on the left side of the U-shaped fixed block, meanwhile, the sliding block pulls the sliding seat, the pushing block rotates anticlockwise to move to the position of a cylinder on the right side of the pushing block, then the rotating plate drives the sliding block to move upwards through the connecting rod, the sliding block drives the U-shaped fixed block to insert into the outer surface of the cylinder, meanwhile, the sliding block drives the pushing block to extrude the limiting block to move downwards, then, the sliding block rotates anticlockwise to drive the cylinder to rotate anticlockwise through the U-shaped fixed block, the cylinder rotates anticlockwise to drive the rotating disc to rotate, then, the rotating plate rotates to drive the sliding block to move downwards through the connecting rod, the sliding block moves downwards to drive the pushing block to move downwards, and the pushing block drives the limiting block to push the pushing seat to move towards the direction of the transportation device, the pushing seat moves towards the direction of the conveying device to drive the baffle plate to compress the first reset spring, meanwhile, the pushing seat pushes the cylinder to push the material out of the feeding groove, then the material falls on the upper portion of the conveying device, the purpose of driving the material to rotate is achieved, and meanwhile the purpose of pushing the material is achieved.

2. The turntable rotates to drive the annular rack to rotate, the annular rack rotates to drive the driving gear to rotate, the driving rotating rod rotates to drive the auxiliary gear to rotate, the auxiliary gear rotates to drive the transmission gear to rotate, the transmission gear rotates to drive the first roller to rotate, the first roller rotates to drive the conveying belt to rotate, the conveying belt rotates to drive the second roller to rotate, the conveying belt rotates to convey the material, and the material is conveyed out by driving the conveying belt to rotate at the same time.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present application;

FIG. 2 is a front left side partial enlarged structural schematic view of an embodiment of the application;

FIG. 3 is a right side partial enlarged structural view of the application embodiment;

FIG. 4 is a schematic diagram of a left side structure of the limiting block of the application embodiment;

FIG. 5 is a schematic diagram of the top view structure of the application example;

FIG. 6 is a schematic top view of the turntable according to the embodiment of the present application.

Description of reference numerals: 1. a support table; 2. a motor; 3. rotating the plate; 4. a connecting rod; 5. a slider; 6. a U-shaped fixing block; 7. a slide base; 8. a push block; 9. a turntable; 91. a material placing seat; 10. a rotating rod; 11. a first return spring; 12. a baffle plate; 13. a pushing seat; 14. a second return spring; 15. a limiting block; 16. a cylinder; 17. an annular rack; 18. a transmission device; 181. a driving gear; 182. an active rotating rod; 183. an auxiliary gear; 19. a transmission gear; 20. a transportation device; 201. a first roller; 202. a conveyor belt; 203. and a second roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses combination formula blowing equipment of steering gear transportation. Referring to fig. 1-6, a combined type discharging device for transporting a steering gear comprises a supporting table 1, a motor 2 is fixedly connected to the top of the supporting table 1, a rotating plate 3 is fixedly connected to the outer surface of an output shaft of the motor 2, a connecting rod 4 is hinged to one side of the rotating plate 3, which is far away from the motor 2, a sliding block 5 is fixedly connected to one side of the connecting rod 4, which is far away from the rotating plate 3, a U-shaped fixing block 6 is fixedly connected to one side of the sliding block 5, which is close to the connecting rod 4, a sliding seat 7 is slidably connected to the outer surface of the sliding block 5, a rotating shaft at the top of the sliding seat 7 is rotatably connected with the inside of the supporting table 1, a pushing block 8 is fixedly connected to one side of the sliding block 5, the cross section of the pushing block 8 is in an L shape, a rotating table 9 is rotatably connected to the bottom of the sliding seat 7, a discharging groove 91 is formed in the inner edge side of the rotating table 9, a rotating rod 10 is rotatably connected to the bottom of the rotating table 9, and the rotating rod 10 is fixedly connected to the top of the supporting table 1, a chute is arranged on one side of the discharging groove 91 close to the center of the rotary table 9 and is arranged inside the rotary table 9, a first return spring 11 is fixedly connected to one side of the inner wall of the chute close to the discharging groove 91, a baffle 12 is fixedly connected to one side of the first return spring 11 far away from the rotary table 9, the outer surface of the baffle 12 is in sliding connection with the inside of the rotary table 9, a push seat 13 is fixedly connected to the side wall of the baffle 12, the outer surface of the push seat 13 is in sliding connection with the inside of the rotary table 9, a second return spring 14 is fixedly connected to the inside of the push seat 13, a stopper 15 is fixedly connected to the top of the second return spring 14, the outer surface of the stopper 15 is in sliding connection with the inner wall of the push seat 13, the stopper 15 is in a circular table shape, the stopper 15 can be conveniently extruded by the push block 8 to move downwards, the stopper 15 is prevented from limiting the position of the push block 8, and the position of the stopper 15 and the bottom of the push block 8 are at the same horizontal position, be convenient for ejector pad 8 to promote the motion of stopper 15, the bottom of ejector pad 8 seted up with stopper 15 size assorted recess, one side fixedly connected with cylinder 16 that plunger 13 is close to blowing groove 91, and cylinder 16's surface and the inner wall sliding connection of carousel 9, the height of U type fixed block 6 and cylinder 16 highly are in same water flat line, it rotates to be convenient for U type fixed block 6 to drive carousel 9 through cylinder 16, the bottom fixedly connected with annular rack 17 of carousel 9, the bottom of annular rack 17 is provided with transmission 18, one side that annular rack 17 was kept away from to transmission 18 is provided with drive gear 19, drive gear 19's inside fixedly connected with conveyer 20's power shaft.

As shown in fig. 3, a driving gear 181 rotatably connected to the annular rack 17 is installed inside the transmission device 18, the gear teeth of the driving gear 181 are engaged with the gear teeth of the annular rack 17, so that the annular rack 17 drives the driving gear 181 to rotate, a driving rotating rod 182 is fixedly connected inside the driving gear 181, an auxiliary gear 183 is fixedly connected to one side of the driving rotating rod 182 away from the driving gear 181, the back of the auxiliary gear 183 is rotatably connected to the front of the transmission gear 19, the gear teeth of the transmission gear 19 are engaged with the gear teeth of the auxiliary gear 183, the driving gear 181 is driven to rotate by the annular rack 17, the driving rotating rod 182 rotates to drive the auxiliary gear 183 to rotate, the auxiliary gear 183 rotates to drive the transmission gear 19 to rotate, and thus power is provided for the transportation device 20.

As shown in fig. 3, a first roller 201 is rotatably connected to a supporting rod on the top of the supporting table 1 and is installed inside the transportation device 20, the outer surface of a power shaft of the first roller 201 is fixedly connected to the inside of the transmission gear 19, a transportation belt 202 is rotatably connected to the outer surface of the first roller 201, one side, away from the first roller 201, of the transportation belt 202 is rotatably connected to a second roller 203 rotatably connected to the supporting rod of the supporting table 1, the first roller 201 is driven to rotate by the rotation of the transmission gear 19, the second roller 203 is driven to rotate by the rotation of the first roller 201 through the transportation belt 202, and the transportation belt 202 and the second roller 203 rotate simultaneously to drive the transportation belt 202 to rotate for transporting materials.

During operation, as shown in fig. 5, the motor 2 rotates to drive the rotating plate 3 to rotate counterclockwise, the rotating plate 3 rotates counterclockwise to drive the slider 5 to rotate counterclockwise through the connecting rod 4, the slider 5 rotates counterclockwise to drive the U-shaped fixing block 6 to move to the position of the cylinder 16 on the left side of the U-shaped fixing block 6, meanwhile, the slider 5 pulls the sliding seat 7 and the pushing block 8 to rotate counterclockwise to the position of the cylinder 16 on the right side of the pushing block 8, then the rotating plate 3 drives the slider 5 to move upward through the connecting rod 4, the slider 5 moves upward to drive the U-shaped fixing block 6 to insert into the outer surface of the cylinder 16, meanwhile, the slider 5 drives the pushing block 8 to extrude the limiting block 15 to move downward, then the pushing block 8 passes through the limiting block 15, then the slider 5 rotates counterclockwise to drive the cylinder 16 to rotate counterclockwise through the U-shaped fixing block 6, the cylinder 16 rotates counterclockwise to drive the rotating disc 9 to rotate, the rotating disc 9 rotates to drive the annular rack 17 to rotate, the annular rack 17 rotates to drive the driving gear 181 to rotate to drive the driving rotating rod 182 to rotate, the driving rotating rod 182 rotates to drive the auxiliary gear 183 to rotate, the auxiliary gear 183 rotates to drive the transmission gear 19 to rotate, the transmission gear 19 rotates to drive the roller I201 to rotate, the roller I201 rotates to drive the conveyor belt 202 to rotate, the conveyor belt 202 rotates to drive the roller II 203 to rotate, the conveyor belt 202 rotates to transport the material out, then the rotating plate 3 rotates to drive the sliding block 5 to move downwards through the connecting rod 4, the sliding block 5 moves downwards to drive the pushing block 8 to move downwards, the pushing block 8 moves downwards to drive the limiting block 15 to push the pushing seat 13 to move towards the direction of the conveying device 20, the pushing seat 13 moves towards the direction of the conveying device 20 to drive the baffle 12 to compress the first return spring 11, meanwhile, the pushing seat 13 pushes the cylinder 16 to push the material out of the inner part of the discharging groove 91, and then the material falls on the upper part of the conveying device 20, the purpose of driving the material to rotate is completed, and the pushing and the conveying of the material are also completed.

The implementation principle of the combined discharging equipment for transporting the steering gear in the embodiment of the application is as follows: the motor 2 drives the sliding block 5 to rotate anticlockwise through the rotating plate 3 and the connecting rod 4, the sliding block 5 rotates anticlockwise to drive the U-shaped fixing block 6 to move to the position of a cylinder 16 on the left side of the U-shaped fixing block 6, meanwhile, the sliding block 5 pulls the sliding seat 7 and the pushing block 8 to rotate anticlockwise to move to the position of the cylinder 16 on the right side of the pushing block 8, then the rotating plate 3 drives the sliding block 5 to move upwards through the connecting rod 4, the sliding block 5 drives the U-shaped fixing block 6 to insert into the outer surface of the cylinder 16, meanwhile, the sliding block 5 drives the pushing block 8 to extrude the limiting block 15 to move downwards, then, after the pushing block 8 passes through the limiting block 15, the sliding block 5 rotates anticlockwise to drive the cylinder 16 to rotate anticlockwise through the U-shaped fixing block 6, the cylinder 16 rotates anticlockwise to drive the rotating disc 9 to rotate, the rotating disc 9 rotates to drive the annular rack 17 to rotate, the annular rack 17 rotates to drive the conveying device 20 to start through the transmission device 18 and the transmission gear 19, conveyer 20 starts to transport away the material, then it rotates through connecting rod 4 to change board 3, slider 5 drives ejector pad 8 downstream, ejector pad 8 downstream drives stopper 15 and promotes the direction motion of footstock 13 to conveyer 20, footstock 13 drives baffle 12 compression reset spring 11 to the direction motion of conveyer 20, footstock 13 promotes the inside that silo 91 was released to the material simultaneously, then the material falls on the upper portion of conveyer 20, accomplish the rotatory purpose of drive material, also accomplish and promote the material and transport out with the material.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination formula blowing equipment of steering gear transportation, includes brace table (1), the top fixedly connected with motor (2) of brace table (1), its characterized in that: the outer surface of an output shaft of the motor (2) is fixedly connected with a rotating plate (3), one side, far away from the motor (2), of the rotating plate (3) is hinged with a connecting rod (4), one side, far away from the rotating plate (3), of the connecting rod (4) is fixedly connected with a sliding block (5), one side, close to the connecting rod (4), of the sliding block (5) is fixedly connected with a U-shaped fixed block (6), the outer surface of the sliding block (5) is connected with a sliding seat (7) in a sliding mode, a top rotating shaft of the sliding seat (7) is rotatably connected with the inside of a supporting table (1), one side, far away from the U-shaped fixed block (6), of the sliding block (5) is fixedly connected with a pushing block (8), the bottom of the sliding seat (7) is rotatably connected with a rotating table (9), a discharging groove (91) is formed in the inner edge side of the rotating table (9), and a rotating rod (10) is rotatably connected with the bottom of the rotating table (9), the bottom of the rotating rod (10) is fixedly connected with the top of the supporting table (1), a chute is arranged on one side, close to the center of the turntable (9), of the discharging groove (91), the chute is installed inside the turntable (9), a first reset spring (11) is fixedly connected to one side, close to the discharging groove (91), of the inner wall of the chute, a baffle (12) is fixedly connected to one side, far away from the turntable (9), of the first reset spring (11), the outer surface of the baffle (12) is connected with the inner portion of the turntable (9) in a sliding manner, a push seat (13) is fixedly connected to the side wall of the baffle (12), the outer surface of the push seat (13) is connected with the inner portion of the turntable (9) in a sliding manner, a second reset spring (14) is fixedly connected to the inner portion of the push seat (13), a limiting block (15) is fixedly connected to the top of the second reset spring (14), and the outer surface of the limiting block (15) is connected with the inner wall of the push seat (13) in a sliding manner, the utility model discloses a driving device, including circular rack (17), push bench (13), inner wall sliding connection, bottom fixedly connected with annular rack (17) of carousel (9), the one side fixedly connected with cylinder (16) that push bench (13) is close to blow-off groove (91), and the surface of cylinder (16) and the inner wall sliding connection of carousel (9), the bottom fixedly connected with annular rack (17) of carousel (9), the bottom of annular rack (17) is provided with transmission (18), one side that annular rack (17) were kept away from in transmission (18) is provided with drive gear (19), the power shaft of the inside fixedly connected with conveyer (20) of drive gear (19).

2. The combined emptying device for transporting the steering gear as claimed in claim 1, wherein: transmission (18) include driving gear (181), the top and the annular rack (17) of driving gear (181) rotate to be connected, and the teeth of a cogwheel of driving gear (181) and the teeth of a cogwheel intermeshing of annular rack (17), the inside fixedly connected with initiative bull stick (182) of driving gear (181), and the surface and the brace table (1) rotation of initiative bull stick (182) are connected, one side fixedly connected with auxiliary gear (183) of driving gear (181) are kept away from in initiative bull stick (182), and the back of auxiliary gear (183) is connected with the front rotation of drive gear (19), the teeth of a cogwheel of drive gear (19) and the teeth of a cogwheel intermeshing of auxiliary gear (183).

3. The combined emptying device for transporting the steering gear as claimed in claim 1, wherein: the conveying device (20) comprises a first roller (201), the outer surface of a power shaft of the first roller (201) is rotatably connected with a top supporting rod of the supporting table (1), the outer surface of the power shaft of the first roller (201) is fixedly connected with the inner part of the transmission gear (19), the outer surface of the first roller (201) is rotatably connected with a conveying belt (202), one side, away from the first roller (201), of the conveying belt (202) is rotatably connected with a second roller (203), and the outer surface of the power shaft of the second roller (203) is rotatably connected with a supporting rod of the supporting table (1).

4. The combined emptying device for transporting the steering gear as claimed in claim 1, wherein: the limiting block (15) is in a circular truncated cone shape, and the cross section of the push block (8) is in an L shape.

5. The combined emptying device for transporting the steering gear as claimed in claim 1, wherein: the height of the U-shaped fixing block (6) and the height of the cylinder (16) are on the same horizontal line, the position of the limiting block (15) and the bottom of the push block (8) are on the same horizontal position, and a groove matched with the size of the limiting block (15) is formed in the bottom of the push block (8).