CN217976563U

CN217976563U - Piston with anti-loosening function

Info

Publication number: CN217976563U
Application number: CN202221887671.0U
Authority: CN
Inventors: 宋军喜; 蔡朝辉; 宋顺伟
Original assignee: Xingtai Tongyi Mechanical Equipment Co ltd
Current assignee: Xingtai Tongyi Mechanical Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-06
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a piston that possesses locking function, including the connecting rod, one side of connecting rod is provided with the piston body, and one side of piston body is provided with the protecgulum, is provided with the fastening structure between piston body and the protecgulum. The utility model has the advantages that the shaft sleeve is arranged on one side of the connecting rod, so that the piston only needs to be operated once when being loaded and unloaded, the loading and unloading efficiency of the piston is improved, the working efficiency of the equipment is improved, and the requirement for quick replacement is well met; through setting up fastening structure for whole piston not only has possessed locking ability when the cooperation of screw and protecgulum forms a firm holistic under, when the screw is slight not hard up, the piston is whole also can not disintegrate at once under fastening structure's effect, but continues to keep whole function, as long as carry out timely maintenance operation this moment can avoid damaging because of the not hard up machine that causes of piston spare, fine satisfied the demand of piston to locking function.

Description

Piston with anti-loosening function

Technical Field

The utility model relates to a concrete pump piston technical field particularly, designs a piston that possesses locking function.

Background

The concrete pump is a machine which utilizes the reciprocating motion of a piston in a cylinder body to continuously and pressure-feed concrete mixture to a pouring working surface through a pipeline, a pumping system is a core component of the concrete pump, hydraulic energy is converted into mechanical energy through the push-pull alternate action of an oil cylinder, and then the concrete is pumped to a part needing to be poured under the coordination of a fluid valve.

For example, patent number CN204458324U discloses a concrete pump and concrete piston, including the connecting rod, the connecting rod includes the cylinder and connects the disk body in cylinder one end, the disk body has first fitting surface, the adjacent disk body setting of clamp plate, the clamp plate has the second fitting surface, first fitting surface is relative with the second fitting surface, the seal is flat structure and presss from both sides and establish between first fitting surface and second fitting surface, the uide bushing is established on the periphery wall of disk body, the connecting piece passes the disk body in proper order, links to each other with the clamp plate behind the seal, the utility model discloses a concrete piston simple structure, easy dismounting, light in weight, it is with low costs.

However, the concrete piston still has the following problems: the concrete piston is connected with the disc body, the sealing body and the pressing plate through the screws, but the concrete piston is usually applied to the occasions of high-speed reciprocating motion, only in a single screw connection mode, when the concrete piston is subjected to continuous transverse vibration, the screws can be quickly loosened, the concrete piston is disassembled in the piston cylinder, the working efficiency of a concrete pump is influenced, the pump body is possibly damaged greatly, and therefore the maintenance and replacement cost is increased and the working efficiency is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a piston that possesses locking function to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a piston that possesses locking function, includes the connecting rod, and one side of connecting rod is provided with the piston body, and one side of piston body is provided with the protecgulum, is provided with fastening structure between piston body and the protecgulum.

Further, in order to facilitate the installation and the dismantlement of piston at the concrete pump, the connecting rod includes the connecting rod, one side that the piston body was kept away from to the connecting rod is provided with the back axle sleeve, the inside of back axle sleeve is provided with the preceding axle sleeve with it matched with, the circumference outside of connecting rod evenly is provided with a plurality of antiskid areas, the opposite side of connecting rod is provided with the back shroud, one side that the back shroud is close to the piston body is provided with the locating plate, the location spout has evenly been seted up to one side of locating plate, the guide ring mounting groove has been seted up in the circumference outside of back shroud, a plurality of back shroud through-holes that run through are evenly seted up to the inside of back plate one.

Further, in order to guarantee the gas tightness of the piston, the piston body comprises a rubber ring, one side, away from the rear cover plate, of the rubber ring is provided with a lip, the inside of the rubber ring is provided with a plurality of positioning sliding blocks matched with the positioning sliding grooves, and one side of the inside of the lip is provided with a plurality of through holes II penetrating through the rubber ring.

Further, for the convenience of installation location and the fastening of the front shroud, the front shroud includes the front shroud, and one side that front shroud and piston body were laminated is provided with a plurality of screw holes, and one side of front shroud is provided with the spud with location spout matched with.

Furthermore, in order to avoid the piston from loosening in the movement process, the fastening structure is jointly formed by the positioning sliding groove, the positioning sliding block and the positioning pile.

Furthermore, in order to avoid the connecting rod to directly contact with the cylinder body in the movement process, the outer side of the circumference of the rear cover plate is provided with a guide ring matched with the guide ring installation groove.

Furthermore, in order to enable the piston to be connected with each other more tightly, one side, away from the piston body, of the rear cover plate is provided with a plurality of screws, and the screws are matched with the first through holes, the second through holes and the threaded holes.

Furthermore, in order to avoid the loosening of the screw caused by transverse vibration, first anti-loosening gaskets are arranged between the rear shaft sleeve and the connecting rod and between the screw and the rear cover plate.

The utility model has the advantages that:

1. through the front shaft sleeve and the rear shaft sleeve arranged on one side of the connecting rod, when the piston is assembled and disassembled, the assembling and disassembling tasks of the piston can be smoothly completed only by simply operating the rear shaft sleeve once, and the assembling and disassembling efficiency of the piston is improved, so that the working efficiency of equipment is improved, and the requirement for quick replacement is well met; through setting up fastening structure for whole piston has not only possessed locking ability when the cooperation of screw and protecgulum forms a firm holistic under, when the screw is slightly not hard up, the piston is whole also can not disintegrate at once under fastening structure's effect, but continues to keep whole function, as long as carry out timely maintenance operation this moment can avoid because of the not hard up machine damage that causes of piston spare, fine satisfied the demand of piston to locking function.

2. Through setting up locking gasket, avoided screw and back axle sleeve to take place not hard up the condition when receiving transverse vibration to the locking ability of piston has further been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a piston with a locking function according to an embodiment of the present invention;

fig. 2 is a partially enlarged view at a of fig. 1;

fig. 3 is a cross-sectional view of a piston with anti-loosening function according to an embodiment of the present invention;

fig. 4 is a partial enlarged view at B of fig. 3;

fig. 5 is a schematic perspective view illustrating an assembly structure of a front cover and a piston body of a piston with an anti-loosening function according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an assembly structure of a piston with a locking function according to an embodiment of the present invention;

fig. 7 is a partially enlarged view at C of fig. 6.

In the figure:

1. a connecting rod; 101. a connecting rod; 102. a rear shaft sleeve; 103. a front shaft sleeve; 104. an anti-slip band; 105. a rear cover plate; 106. positioning a plate; 107. positioning the chute; 108. a guide ring mounting groove; 109. a first through hole; 110. a guide ring; 111. a screw; 2. a piston body; 201. a rubber ring; 202. a lip; 203. positioning the sliding block; 204. a second through hole; 3. a front cover; 301. a front cover plate; 302. a threaded hole; 303. positioning the pile; 4. a fastening structure; 5. a lock washer.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a piston that possesses locking function.

Referring now to the drawings and the detailed description, as shown in fig. 1 and fig. 5, according to the piston with anti-loosening function of the embodiment of the present invention, including the connecting rod 1, one side of the connecting rod 1 is provided with the piston body 2, one side of the piston body 2 is provided with the front cover 3, and the fastening structure 4 is provided between the piston body 2 and the front cover 3.

In one embodiment, as shown in fig. 2 to 6, the connecting rod 1 includes a connecting rod 101, a rear shaft sleeve 102 is disposed on one side of the connecting rod 101 away from the piston body 2, a front shaft sleeve 103 is disposed inside the rear shaft sleeve 102 and is engaged with the rear shaft sleeve 102, a plurality of anti-slip bands 104 are uniformly disposed on the outer circumferential side of the connecting rod 101, a rear cover plate 105 is disposed on the other side of the connecting rod 101, a positioning plate 106 is disposed on one side of the rear cover plate 105 close to the piston body 2, a positioning sliding groove 107 is uniformly disposed on one side of the positioning plate 106, a guide ring mounting groove 108 is disposed on the outer circumferential side of the rear cover plate 105, and a plurality of through holes 109 penetrating through the rear cover plate 105 are uniformly disposed inside the rear cover plate 105.

In one embodiment, as shown in fig. 5, the piston body 2 includes a rubber ring 201, a lip 202 is disposed on a side of the rubber ring 201 away from the rear cover plate 105, a plurality of positioning sliders 203 matched with the positioning sliding grooves 107 are disposed inside the rubber ring 201, and a plurality of through holes 204 penetrating through the rubber ring 201 are disposed on a side of the lip 202, so as to ensure air tightness of the piston.

In one embodiment, as shown in fig. 5, the front cover 3 comprises a front cover plate 301, one side of the front cover plate 301, which is attached to the piston body 2, is provided with a plurality of threaded holes 302, and one side of the front cover plate 301 is provided with a positioning peg 303, which is matched with the positioning chute 107, so as to facilitate the installation and positioning of the front cover plate and achieve the fastening effect.

In one embodiment, as shown in fig. 5, the fastening structure 4 is formed by the positioning runner 107 and the positioning slider 203 together with the positioning peg 303, so as to avoid the piston from loosening during movement.

In one embodiment, as shown in fig. 6, the rear cover plate 105 is provided at the circumferential outer side thereof with a guide ring 110 fitted in the guide ring fitting groove 108, thereby preventing the connecting rod from directly contacting the cylinder body during movement.

In one embodiment, as shown in fig. 6, the side of the back cover plate 105 away from the piston body 2 is provided with a plurality of screws 111, and the screws 111 are matched with the first through holes 109, the second through holes 204 and the threaded holes 302, so that the parts of the piston are connected more tightly.

In one embodiment, as shown in fig. 6 and 7, the anti-loose washers 5 are disposed between the rear bushing 102 and the connecting rod 101 and between the screw 111 and the rear cover plate 105, wherein the anti-loose washers 5 disposed at the positions of the rear bushing 102 and the screw 111 are different in size, so as to prevent the screw from being loosened by lateral vibration.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, before the piston is integrally installed in a concrete pump, the piston needs to be assembled, when the piston body 2 is installed, the positioning slide block 203 is installed in the positioning chute 107 on the positioning plate 106, the piston body 2 is rotated after the two parts are attached, so that the positioning slide block 203 on the piston body 2 is installed in place, the first through hole 109 and the second through hole 204 are in the coaxial position, the positioning pile 303 of the front cover plate 301 is correspondingly installed in the positioning chute 107, after the piston is installed in place, the anti-loosening gasket 5 is sequentially sleeved on the screw 111, the anti-loosening gasket is then installed in the corresponding through hole until the piston is screwed down, at this time, the installation operation of the whole piston is carried out, the piston is installed on the piston according to the sequence of the front shaft sleeve 103 behind the shaft sleeve 102, and finally the piston can be installed by screwing down the rear shaft sleeve 102.

Specifically, the utility model provides a piston that possesses locking function can be arranged in the cylinder, in the different liquid pumps such as cement concrete pump and mud concrete pump, when being used for the liquid pump of above-mentioned different grade type, can carry out the adaptability design to the size and the material of piston body 2 according to the in-service use condition.

To sum up, with the aid of the above technical solution of the present invention, the front shaft sleeve 103 and the rear shaft sleeve 102 disposed on one side of the connecting rod enable the piston to smoothly complete the task of loading and unloading the piston only by performing a simple operation on the rear shaft sleeve 102 when the piston is loaded and unloaded, thereby improving the efficiency of loading and unloading the piston, improving the working efficiency of the device, and well meeting the requirement for quick replacement; through setting up fastening structure 4 for whole piston has not only possessed locking ability when forming a firm holistic under the cooperation of screw 111 and protecgulum 3, when screw 111 is slightly not hard up, the piston is whole also can not disintegrate at once under fastening structure 4's effect, but continues to keep whole function, as long as carry out timely maintenance operation this moment can avoid because of the not hard up machine damage that causes of piston spare, fine satisfied the piston to the demand of locking function.

In addition, through the arrangement of the anti-loosening gasket 5, the situation that the screw 111 and the rear shaft sleeve 102 are loosened when the screw and the rear shaft sleeve are subjected to transverse vibration is avoided, and therefore the anti-loosening capability of the piston is further improved.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A piston with anti-loosening function comprises a connecting rod (1), wherein a piston body (2) is arranged on one side of the connecting rod (1), a front cover (3) is arranged on one side of the piston body (2), and the anti-loosening piston is characterized in that:

a fastening structure (4) is arranged between the piston body (2) and the front cover (3).

2. The piston with the anti-loosening function according to claim 1, wherein the connecting rod (1) comprises a connecting rod (101), a rear shaft sleeve (102) is arranged on one side, away from the piston body (2), of the connecting rod (101), a front shaft sleeve (103) matched with the rear shaft sleeve is arranged inside the rear shaft sleeve (102), a plurality of anti-slip belts (104) are uniformly arranged on the outer side of the circumference of the connecting rod (101), a rear cover plate (105) is arranged on the other side of the connecting rod (101), a positioning plate (106) is arranged on one side, close to the piston body (2), of the rear cover plate (105), positioning sliding grooves (107) are uniformly formed in one side of the positioning plate (106), a guide ring installation groove (108) is formed in the outer side of the circumference of the rear cover plate (105), and a plurality of through holes (109) penetrating through the rear cover plate (105) are uniformly formed in the rear cover plate (105).

3. The piston with the anti-loosening function according to claim 2, wherein the piston body (2) comprises a rubber ring (201), a lip (202) is arranged on one side, away from the rear cover plate (105), of the rubber ring (201), a plurality of positioning sliding blocks (203) matched with the positioning sliding grooves (107) are arranged inside the rubber ring (201), and a plurality of through holes (204) penetrating through the rubber ring (201) are formed in one side inside the lip (202).

4. The piston with the anti-loosening function according to claim 3, wherein the front cover (3) comprises a front cover plate (301), a plurality of threaded holes (302) are formed in one side, attached to the piston body (2), of the front cover plate (301), and a positioning pile (303) matched with the positioning sliding groove (107) is formed in one side of the front cover plate (301).

5. The piston with the anti-loosening function as claimed in claim 4, wherein the fastening structure (4) is formed by the positioning chute (107), the positioning slide block (203) and the positioning pile (303).

6. The piston with the looseness-preventing function according to claim 2, wherein a guide ring (110) which is fitted into the guide ring installation groove (108) is provided to an outer circumferential side of the back cover plate (105).

7. The piston with the anti-loosening function as claimed in claim 4, wherein a plurality of screws (111) are arranged on one side of the rear cover plate (105) far away from the piston body (2), and the screws (111) are matched with the first through hole (109), the second through hole (204) and the threaded hole (302).

8. The piston with the anti-loosening function according to claim 2, wherein anti-loosening gaskets (5) are arranged between the rear bushing (102) and the connecting rod (101) and between the screw (111) and the rear cover plate (105).