CN219317172U

CN219317172U - Concrete pump truck conveying cylinder piston

Info

Publication number: CN219317172U
Application number: CN202320548324.3U
Authority: CN
Inventors: 王梓博
Original assignee: Quanzhou Huihong Auto Parts Co ltd
Current assignee: Quanzhou Huihong Auto Parts Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-07
Anticipated expiration: 2033-03-20

Abstract

The utility model belongs to the technical field of conveying cylinder pistons, and particularly relates to a concrete pump truck conveying cylinder piston which comprises a cylinder barrel, wherein a piston head is movably connected to the inside of the cylinder barrel, a connecting rod is fixedly connected to the bottom of the piston head, a fixed block is fixedly connected to the bottom of the connecting rod, a connecting block is arranged outside the fixed block, a piston rod is fixedly connected to the bottom of the connecting block, a groove is formed in the outer surface of the piston head, a rubber ring is arranged in the groove, a pushing structure is arranged in the piston head, and a rotating device is arranged in the fixed block. According to the utility model, through the cooperation of the pushing structure, the movable opening, the rubber ring and the rotating device, the rubber ring is conveniently installed in the groove without manual adjustment, the rubber ring is conveniently pushed to move out of the groove during replacement, the use is convenient, the structure is simple, the rubber ring is conveniently replaced, and the work efficiency is conveniently improved.

Description

Concrete pump truck conveying cylinder piston

Technical Field

The utility model belongs to the technical field of conveying cylinder pistons, and particularly relates to a concrete pump truck conveying cylinder piston.

Background

The concrete pump truck is a machine for continuously conveying concrete along pipeline by utilizing pressure, and is formed from pump body and conveying pipe, and is divided into piston type, extrusion type and hydraulic diaphragm type according to the structural form, the pump body is mounted on the chassis of the automobile, and is equipped with telescopic or bending distributing rod so as to form the pump truck.

The utility model discloses a concrete pump truck conveying cylinder piston, which comprises a piston, a piston connecting rod and rubber rings, wherein the piston is arranged in a conveying cylinder, two rubber rings are arranged between the piston and the conveying cylinder, the distance between the two rubber rings is D=350-450 mm, the rubber rings are O-shaped rubber rings, and the piston connecting rod and the piston are of an integrated structure.

But in the use, when changing the rubber circle, need the manual rubber circle to take out in the recess, change inconvenient to the rubber circle, be unfavorable for improving work efficiency.

Therefore, it is necessary to invent a concrete pump truck delivery cylinder piston to solve the above problems.

Disclosure of Invention

The utility model aims at the problems, and provides a concrete pump truck conveying cylinder piston which is convenient to use, simple in structure, beneficial to replacing a rubber ring and convenient to improve the working efficiency so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete pump truck carries jar piston, includes the cylinder, the inside swing joint of cylinder has the piston head, the bottom fixedly connected with connecting rod of piston head, the bottom fixedly connected with fixed block of connecting rod, the outside of fixed block is provided with the connecting block, the bottom fixedly connected with piston rod of connecting block, the surface of piston head is seted up flutedly, the inside of recess is provided with the rubber circle, the inside of piston head is provided with pushing structure, the inside of fixed block is provided with rotary device.

Further, the inner wall of the groove is provided with three movable ports, and the movable ports are distributed in an annular array by taking the center of the piston head as a center point.

Further, the pushing structure comprises a pushing block, the pushing block is spliced with the movable port, a connecting rod is hinged to one side of the pushing block, and a sliding block is hinged to one side of the connecting rod.

Further, rotary device includes the lead screw, and the surface and the slider sliding connection of lead screw, the first gear of surface fixed connection of lead screw, the bottom meshing of first gear have the second gear, and the middle part fixedly connected with dwang of second gear, the top fixedly connected with stopper of lead screw.

Further, the top of the screw rod penetrates through the bottom of the piston head to extend into the piston head, the connecting rod is located outside the screw rod, a first through hole is formed in the top of the fixed block, and the bottom of the screw rod penetrates through the through hole to extend into the fixed block.

Further, the second through-hole has been seted up to the front side surface of connecting block, and the dwang passes the outside that the second through-hole extends to the connecting block, and the outside of connecting block is provided with the buckle, and the mounting hole has all been seted up to the both sides surface of connecting block.

Further, the buckle includes U type cardboard, and U type cardboard is located inside the mounting hole, and the screw has been seted up at the middle part of U type cardboard, and the inside threaded connection of screw has locking screw.

The utility model has the technical effects and advantages that:

1. according to the utility model, through the cooperation of the pushing structure, the movable opening, the rubber ring and the rotating device, the rubber ring is conveniently installed in the groove without manual adjustment, the rubber ring is conveniently pushed to move out of the groove during replacement, the use is convenient, the structure is simple, the rubber ring is conveniently replaced, and the work efficiency is conveniently improved.

2. According to the utility model, through the cooperation of the connecting block and the buckle, the connecting rod and the piston rod are conveniently connected, so that the rotating device in the fixed block is not easy to move, the fixed block and the connecting block are conveniently fixed, and the disassembly is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a perspective view of an embodiment of the present utility model;

FIG. 2 shows a block diagram of the interior of a cylinder barrel according to an embodiment of the present utility model;

FIG. 3 shows a block diagram of a piston head according to an embodiment of the present utility model;

FIG. 4 is a block diagram showing a pushing structure of an embodiment of the present utility model;

FIG. 5 shows an internal structural view of a fixed block according to an embodiment of the present utility model;

FIG. 6 shows a block diagram of a clasp of an embodiment of the utility model;

in the figure: 1. a cylinder; 2. a piston head; 3. a connecting rod; 4. a fixed block; 5. a connecting block; 6. a piston rod; 7. a rubber ring; 8. a pushing structure; 9. a rotating device; 10. a movable opening; 81. a pushing block; 82. a connecting rod; 83. a slide block; 91. a first gear; 92. a second gear; 93. a rotating lever; 94. a screw rod; 11. a buckle; 111. a U-shaped clamping plate; 112. locking the screw rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

in the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The piston of the conveying cylinder means that when high-pressure hydraulic oil flows into the hydraulic cylinder to enable the piston to move upwards, the hydraulic oil on the wall surface can be pushed by the piston when pressure is formed, the hydraulic oil can overflow to the back of the piston through the small holes in the piston bushing, and mixed liquid is formed. When hydraulic oil at the other end flows into the other end of the piston, the pistons at the two ends can generate deflection due to different pressures, so that liquid in the hydraulic oil cylinder barrel cannot be evenly distributed on the piston rod, the pressure on the piston rod is unbalanced, the piston rod can be acted by external force to generate deflection force, and finally the piston can move due to the deflection force, so that the mechanical movement aim is achieved.

The utility model provides a concrete pump truck conveying cylinder piston, which is shown in fig. 1-3, and comprises a cylinder barrel 1, wherein a piston head 2 is movably connected in the cylinder barrel 1, a connecting rod 3 is fixedly connected to the bottom of the piston head 2, a fixed block 4 is fixedly connected to the bottom of the connecting rod 3, a connecting block 5 is arranged outside the fixed block 4, a piston rod 6 is fixedly connected to the bottom of the connecting block 5, a groove is formed in the outer surface of the piston head 2, a rubber ring 7 is conveniently installed, a rubber ring 7 is conveniently sealed in the groove, a pushing structure 8 is arranged in the piston head 2, a rotating device 9 is arranged in the fixed block 4, and the rubber ring 7 is conveniently installed and replaced through the pushing structure 8 and the rotating device 9;

through pushing the cooperation of structure 8, activity mouth 10, rubber circle 7, rotary device 9, be favorable to installing into inside the recess to rubber circle 7, do not need manual adjustment, be convenient for promote rubber circle 7 and shift out from the recess is inside during the change, it is comparatively convenient to use, simple structure does benefit to and changes rubber circle 7, is convenient for improve work efficiency.

As shown in fig. 4, the pushing structure 8 comprises a pushing block 81, the pushing block 81 is inserted into the movable opening 10, one side of the pushing block 81 is hinged with a connecting rod 82, one side of the connecting rod 82 is hinged with a sliding block 83, the inner wall of the sliding block 83 is slidably connected with a screw rod 94, the sliding block 83 is driven to move up and down by the rotation of the screw rod 94, so that the connecting rod 82 pushes the pushing block 81 to move, and the rubber ring 7 is conveniently moved out of and into the groove.

As shown in fig. 4-5, the rotating device 9 includes a screw rod 94, the outer surface of the screw rod 94 is connected with the sliding block 83, the outer surface of the screw rod 94 is fixedly connected with a first gear 91, the bottom of the first gear 91 is meshed with a second gear 92, the middle part of the second gear 92 is fixedly connected with a rotating rod 93, the rotating rod 93 drives the first gear 91 to rotate, and the first gear 91 is meshed with the second gear 92, so that the second gear 92 drives the screw rod 94 to rotate, the second gear 92 drives the screw rod 94 to facilitate the movement of the pushing structure 8, the rubber ring 7 is convenient to replace and adjust, the top of the screw rod 94 is fixedly connected with a limiting block, the sliding block 83 is prevented from moving out of the screw rod 94, and the sliding block 83 is limited.

As shown in fig. 1-4, the top end of the screw rod 94 passes through the bottom of the piston head 2 and extends into the piston head 2, the connecting rod 3 is located outside the screw rod 94, a first through hole is formed in the top of the fixed block 4, and the bottom end of the screw rod 94 passes through the through hole and extends into the fixed block 4, so that the pushing structure 8 is driven to move under the action of the rotating device 9 in the fixed block 4.

As shown in fig. 5-6, the second through hole is provided on the front side surface of the connecting block 5, the rotating rod 93 passes through the second through hole and extends to the outside of the connecting block 5, the outside of the connecting block 5 is provided with the buckle 11, be convenient for fix the fixed block 4 and the connecting block 5, the mounting hole has all been seted up to the both sides surface of connecting block 5, the buckle 11 includes U type cardboard 111, U type cardboard 111 is located the mounting hole inside, the screw has been seted up at the middle part of U type cardboard 111, the internal thread of screw has locking screw 112, through tightening locking screw 112, make locking screw 112 bottom support the fixed block 4, make fixed block 4 and connecting block 5 obtain fixedly, can dismantle fixed block 4 and connecting block 5 through unscrewing locking screw 112, the operation of being convenient for.

The working principle of the utility model is as follows:

referring to fig. 1-6 of the specification, when the rubber ring needs to be disassembled, the rotating rod 93 is rotated, the rotating rod 93 drives the first gear 91 to rotate, the first gear 91 is meshed with the second gear 92, so that the second gear 92 is driven, the second gear 92 drives the screw rod 94 to rotate, the sliding block 83 on the screw rod 94 moves upwards, the sliding block 83 is hinged with the connecting rod 82, the connecting rod 82 is pushed to rotate towards the inner wall direction of the piston head 2 while the sliding block 83 moves upwards, the connecting rod 82 is hinged with the pushing block 81, the pushing block 81 is pushed to move out of the movable opening 10 and spread around when the connecting rod 82 rotates, the pushing block 81 is pushed to move the rubber ring 7 while moving, and when the pushing block 81 completely moves out of the movable opening, the rubber ring leaves the groove and is propped open by the groove, and then the rubber ring 7 is taken down for replacement.

When needing the installation, overlap rubber circle 7 on pushing block 81, reverse rotation dwang 93 under rotary device 9's effect for pushing block 81 moves to the recess inside, and rubber circle 7 also moves to the recess inside, and when pushing block 81 moved to the inside of piston head 2 completely, rubber circle 7 moved to the recess inside along with pushing block 81, and rubber circle 7 returns to the normal position, then need not manual adjustment to the recess inside, realizes the installation of rubber circle 7.

The U-shaped clamping plates 111 are buckled into the mounting holes on the end faces of the two sides of the connecting block 5, the locking screw 112 is screwed down, the bottom of the locking screw 112 is propped against the fixed block 4, the fixed block 4 and the connecting block 5 are fixed, the fixed block 4 and the connecting block 5 can be disassembled by unscrewing the locking screw 112, and the operation is convenient.

Through pushing the cooperation of structure 8, activity mouth 10, rubber circle 7, rotary device 9, be favorable to installing into the recess inside rubber circle 7, do not need manual adjustment, be convenient for promote rubber circle 7 during the change and shift out from the recess is inside, it is comparatively convenient to use, and simple structure does benefit to change rubber circle 7, is convenient for improve work efficiency, through the cooperation of connecting block 5 with buckle 11, is convenient for be connected connecting rod 3 and piston rod 6 for rotary device 9 in the fixed block 4 is difficult for removing, is convenient for fixed block 4 and connecting block 5, convenient to detach.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a concrete pump truck conveying cylinder piston, includes cylinder (1), its characterized in that: the inside swing joint of cylinder (1) has piston head (2), the bottom fixedly connected with connecting rod (3) of piston head (2), the bottom fixedly connected with fixed block (4) of connecting rod (3), the outside of fixed block (4) is provided with connecting block (5), the bottom fixedly connected with piston rod (6) of connecting block (5), the surface of piston head (2) is seted up flutedly, the inside of recess is provided with rubber circle (7), the inside of piston head (2) is provided with pushing structure (8), the inside of fixed block (4) is provided with rotary device (9).

2. The concrete pump truck delivery cylinder piston of claim 1, wherein: the inner wall of the groove is provided with three movable ports (10), and the movable ports (10) are distributed in an annular array by taking the center of a piston head (2) as a center point.

3. The concrete pump truck delivery cylinder piston of claim 1, wherein: the pushing structure (8) comprises a pushing block (81), the pushing block (81) is spliced with the movable opening (10), a connecting rod (82) is hinged to one side of the pushing block (81), and a sliding block (83) is hinged to one side of the connecting rod (82).

4. The concrete pump truck delivery cylinder piston of claim 1, wherein: the rotating device (9) comprises a screw rod (94), the outer surface of the screw rod (94) is in sliding connection with the sliding block (83), a first gear (91) is fixedly connected with the outer surface of the screw rod (94), a second gear (92) is meshed with the bottom of the first gear (91), a rotating rod (93) is fixedly connected with the middle of the second gear (92), and a limiting block is fixedly connected with the top of the screw rod (94).

5. The concrete pump truck delivery cylinder piston of claim 4, wherein: the top of lead screw (94) passes piston head (2) bottom and extends to piston head (2) inside, connecting rod (3) are located the outside of lead screw (94), first through-hole has been seted up at the top of fixed block (4), the bottom of lead screw (94) runs through the through-hole and extends to the inside of fixed block (4).

6. The concrete pump truck delivery cylinder piston of claim 4, wherein: the front side surface of connecting block (5) has seted up the second through-hole, dwang (93) pass the second through-hole and extend to the outside of connecting block (5), the outside of connecting block (5) is provided with buckle (11), the mounting hole has all been seted up to the both sides surface of connecting block (5).

7. The concrete pump truck delivery cylinder piston of claim 6, wherein: the buckle (11) comprises a U-shaped clamping plate (111), the U-shaped clamping plate (111) is located inside the mounting hole, a screw hole is formed in the middle of the U-shaped clamping plate (111), and a locking screw (112) is connected to the inner thread of the screw hole.