CN216410787U

CN216410787U - Combined piston collector convenient for disassembling piston

Info

Publication number: CN216410787U
Application number: CN202122892979.6U
Authority: CN
Inventors: 张红梅
Original assignee: Demode Suzhou Machinery Technology Co ltd
Current assignee: Demode Suzhou Machinery Technology Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-29
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a combined piston collector convenient for disassembling a piston, which comprises a sampling bottle, a suction nozzle, scale marks, a positioning plate, a locking bolt, a pushing rod and a piston head, wherein the right end of the sampling bottle is connected with the suction nozzle, the scale marks are arranged on the surface of the sampling bottle, the positioning plate is arranged at the left end of the sampling bottle, the positioning plate and the left end side of the sampling bottle are mutually connected through the locking bolt, the pushing rod is arranged in the middle of the positioning plate, and the right end of the pushing rod is connected with the piston head; further comprising: and the clamping block is arranged on the push rod, and the clamping block and the push rod are mutually connected through a built-in spring for providing reset elasticity. This combination formula piston collector that the convenience was dismantled to the piston can conveniently dismantle alone the piston at the in-process that uses, avoids directly abandoning piston push rod is whole directly, can conveniently control the collection volume at the in-process of gathering simultaneously.

Description

Combined piston collector convenient for disassembling piston

Technical Field

The utility model relates to the technical field of piston collectors, in particular to a combined piston collector which is convenient for disassembling a piston.

Background

In the use of some trace ration collectors, can use the sampling bottle to carry out the ration to sample liquid and fill usually, and sampling bottle itself is not convenient for directly carry out the liquid propelling movement, need exert pressure with the help of the piston, consequently all can increase the piston rod in the inside of sampling bottle at the in-process that carries out the sample usually to form the collector of piston and take a sample to liquid.

However, the existing piston collector has the following problems:

1. the piston and the push rod are mostly integrated in the using process of the existing piston collector, the whole piston push rod is generally required to be disinfected or discarded after being used, and the waste of resources is easily caused by directly discarding the piston push rod after being used;

2. the quantity of the sample is usually not convenient to control in the process of sampling by the existing piston collector, so that the phenomenon of too much or too little sample is easily caused, and the practicability of the piston collector in the use process is greatly reduced.

We have therefore proposed a combined piston harvester which facilitates the disassembly of the piston in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined piston collector which is convenient to disassemble a piston, and aims to solve the problems that the piston and a push rod of the existing piston collector in the market are mostly integrated in the using process, the whole piston push rod is generally required to be disinfected or discarded after the piston collector is used, the piston push rod is directly discarded after the piston push rod is used, the waste of resources is easily caused, the sampling amount is generally inconvenient to control in the sampling process, the phenomenon of too much or too little sampling is easily caused, and the practicability of the piston collector in the using process is greatly reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a combined piston collector convenient for disassembling a piston comprises a sampling bottle, a suction nozzle, scale marks, a positioning plate, a locking bolt, a pushing rod and a piston head, wherein the right end of the sampling bottle is connected with the suction nozzle, the scale marks are arranged on the surface of the sampling bottle, the positioning plate is mounted at the left end of the sampling bottle, the positioning plate and the left end side of the sampling bottle are connected with each other through the locking bolt, the pushing rod is mounted in the middle of the positioning plate, and the right end of the pushing rod is connected with the piston head;

further comprising:

the clamping block is arranged on the pushing rod, the clamping block and the pushing rod are mutually connected through a built-in spring for providing resetting elasticity, the end part of the clamping block extends into the limiting hole, and the limiting hole is formed in the side of the piston head;

the direction baffle is installed the inside of sampling bottle, be provided with on the direction baffle and block the inserted block, and the outside that blocks the inserted block is connected with the threaded rod, through bearing interconnect between threaded rod and the sampling bottle.

Preferably, the left end of locating plate and sampling bottle is laminated each other, and the left end inside of locating plate and sampling bottle all is provided with the internal thread of mutually supporting with the locking bolt.

Through adopting above-mentioned technical scheme, through the internal thread that locating plate and sampling bottle left end inside set up to can conveniently twist its locking bolt to sampling bottle and locating plate on, realize fixing between the two.

Preferably, the push rod and the positioning plate are vertically distributed, and a sliding connection structure is formed between the push rod and the positioning plate.

Through adopting above-mentioned technical scheme, through the slip of catch bar in the locating plate middle part to can conveniently promote the piston head of catch bar tip and carry out synchronous movement.

Preferably, the clamping block is of a U-shaped structure, and an elastic telescopic structure is formed between the clamping block and the push rod through a built-in spring.

Through adopting above-mentioned technical scheme, thereby utilize built-in spring's setting can rebound the joint piece after the removal and reset.

Preferably, the end diameter of the clamping block is equal to the inner diameter of the limiting hole, and the clamping blocks are symmetrically distributed about the transverse central axis of the push rod.

Through adopting above-mentioned technical scheme, the tip diameter of joint piece equals with the internal diameter in spacing hole to can improve the stability of joint piece in spacing downthehole portion, prevent that it from appearing the phenomenon of rocking.

Preferably, the cross section of the blocking insertion block is rectangular, and the blocking insertion block is in sliding connection with the guide partition plate.

Through adopting above-mentioned technical scheme, the rectangle that the utilization blockked the inserted block cross section and set up to can avoid blockking that the inserted block follows the threaded rod and carry out synchronous rotation.

Preferably, the blocking insert and the threaded rod are in threaded connection, and the inner end surface of the blocking insert is flush with the inner surface of the guide partition plate.

Through adopting above-mentioned technical scheme, utilize the rotation of threaded rod to make threaded connection's the inserted block that blocks remove.

Compared with the prior art, the utility model has the beneficial effects that: the combined piston collector convenient for disassembling the piston can conveniently and independently disassemble the piston in the using process, avoids directly discarding all piston push rods, and can conveniently control the collecting amount in the collecting process;

1. the clamping block is arranged, the left end of the clamping block is pressed towards the inner side of the push rod, the end of the clamping block is contracted into the push rod after being stressed, the end of the push rod is separated from the limiting hole on the side of the piston head, the push rod is pulled towards the left side of the piston head, and the right end of the push rod is separated from the piston head, so that the piston head can be released from being fixed, and the piston head can be detached independently;

2. be provided with and block the inserted block, when the suction volume of sampling liquid is controlled to needs, the threaded rod of the suitable scale department of rotation that corresponds, the rotation of threaded rod can make threaded connection block the inner end stretch out the direction baffle, thereby can make its piston head move in the inside of sampling bottle through the pulling catch bar, realize the suction to liquid, after the piston head removes through the perception and block the conflict between the inserted block, can realize the ration suction sample.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a push rod and piston head of the present invention;

FIG. 3 is a perspective view of a push rod and piston head of the present invention;

FIG. 4 is a schematic sectional view of the push rod and the clamping block of the present invention;

FIG. 5 is a schematic side view of the guide spacer and the stop block of the present invention.

In the figure: 1. a sampling bottle; 2. a suction nozzle; 3. scale lines; 4. positioning a plate; 5. a locking bolt; 6. a push rod; 7. a piston head; 8. a clamping block; 9. a built-in spring; 10. a limiting hole; 11. a guide partition plate; 12. blocking the insert block; 13. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a combined piston collector convenient for piston disassembly comprises a sampling bottle 1, a suction nozzle 2, scale marks 3, a positioning plate 4, a locking bolt 5, a pushing rod 6 and a piston head 7, wherein the right end of the sampling bottle 1 is connected with the suction nozzle 2, the scale marks 3 are arranged on the surface of the sampling bottle 1, the positioning plate 4 is installed at the left end of the sampling bottle 1, the positioning plate 4 and the left end side of the sampling bottle 1 are connected with each other through the locking bolt 5, the pushing rod 6 is installed in the middle of the positioning plate 4, and the right end of the pushing rod 6 is connected with the piston head 7; further comprising: the clamping block 8 is arranged on the pushing rod 6, the clamping block 8 and the pushing rod 6 are mutually connected through an internal spring 9 providing reset elasticity, the end part of the clamping block 8 extends into a limiting hole 10, and the limiting hole 10 is formed in the side of the piston head 7; the left end of locating plate 4 and sampling bottle 1 laminates each other, and the left end of locating plate 4 and sampling bottle 1 is inside all to be provided with the internal thread of mutually supporting with locking bolt 5. The push rod 6 and the positioning plate 4 are vertically distributed, and a sliding connection structure is formed between the push rod 6 and the positioning plate 4. The clamping block 8 is arranged to be of a U-shaped structure, and an elastic telescopic structure is formed between the clamping block 8 and the push rod 6 through a built-in spring 9. The tip diameter of joint piece 8 equals with the internal diameter in spacing hole 10, and joint piece 8 is about the horizontal axis symmetric distribution of catch bar 6.

As shown in FIGS. 1-4, when the piston head 7 needs to be disassembled, the clamping block 8 is pressed towards the inner side of the push rod 6, the end of the clamping block 8 contracts into the push rod 6 after being stressed, at the moment, the end of the clamping block 8 is separated from the limiting hole 10 on the side of the piston head 7, then the push rod 6 is pulled leftwards, so that the right end of the push rod 6 is separated from the piston head 7, the piston head 7 can be released from being fixed, the locking bolt 5 on the side of the positioning plate 4 is unscrewed, the positioning plate 4 and the push rod 6 are taken down from the left side of the sampling bottle 1, and the piston head 7 can be taken out from the inside of the sampling bottle 1.

Guide baffle 11 installs in the inside of sampling bottle 1, is provided with on guide baffle 11 and blocks inserted block 12, and blocks that the outside of inserted block 12 is connected with threaded rod 13, passes through bearing interconnect between threaded rod 13 and the sampling bottle 1. The cross section of the blocking insert 12 is rectangular, and the blocking insert 12 is in sliding connection with the guide partition 11. The blocking insert 12 is in threaded connection with the threaded rod 13, and the inner end surface of the blocking insert 12 is flush with the inner surface of the guide partition 11.

As shown in fig. 1, 2 and 5, when the suction sampling amount of the sampling bottle needs to be controlled, firstly, the threaded rod 13 at the position corresponding to the scale mark 3 is screwed, the blocking insert 12 connected by the thread can be moved by the rotation of the threaded rod 13, so that the inner end of the blocking insert 12 extends out of the guide partition 11, then, when suction sampling is performed, the piston head 7 is driven to move in the sampling bottle 1 by pulling the push rod 6, the sampling liquid is sucked into the sampling bottle 1 through the suction nozzle 2 by the movement of the piston head 7, and the movement distance of the piston head 7 can be controlled by the interference between the piston head 7 and the blocking insert 12 when the piston head 7 moves, so that the suction amount of the liquid is limited.

The working principle is as follows: when the combined piston collector convenient for disassembling the piston is used, firstly, as shown in fig. 1-5, the clamping block 8 is pressed towards the inner side of the push rod 6 to enable the end part of the clamping block to contract into the push rod 6, at the moment, the end part of the clamping block 8 is separated from the limiting hole 10 on the side of the piston head 7, so that the fixing of the piston head 7 can be released, the piston head 7 can be conveniently and subsequently disassembled independently, the threaded rod 13 can rotate to enable the blocking insert block 12 in threaded connection to move and enable the inner end of the blocking insert block 12 to extend out of the guide partition plate 11, the moving distance of the piston head 7 is controlled by the extending blocking insert block 12, and accordingly, the liquid suction amount is limited.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A combined piston collector convenient for disassembling a piston comprises a sampling bottle (1), a suction nozzle (2), scale marks (3), a positioning plate (4), a locking bolt (5), a push rod (6) and a piston head (7), wherein the right end of the sampling bottle (1) is connected with the suction nozzle (2), the scale marks (3) are arranged on the surface of the sampling bottle (1), the positioning plate (4) is installed at the left end of the sampling bottle (1), the positioning plate (4) and the left end side of the sampling bottle (1) are connected with each other through the locking bolt (5), the push rod (6) is installed in the middle of the positioning plate (4), and the right end of the push rod (6) is connected with the piston head (7);

it is characterized by also comprising:

the clamping block (8) is installed on the pushing rod (6), the clamping block (8) and the pushing rod (6) are connected with each other through an internal spring (9) providing reset elasticity, the end portion of the clamping block (8) extends into the limiting hole (10), and the limiting hole (10) is formed in the side of the piston head (7);

guide baffle (11), install the inside of sampling bottle (1), be provided with on guide baffle (11) and block inserted block (12), and the outside that blocks inserted block (12) is connected with threaded rod (13), through bearing interconnect between threaded rod (13) and sampling bottle (1).

2. The combined piston collector for conveniently disassembling the piston as claimed in claim 1, wherein: the left end of locating plate (4) and sampling bottle (1) is laminated each other, and the left end of locating plate (4) and sampling bottle (1) inside all is provided with the internal thread of mutually supporting with locking bolt (5).

3. The combined piston collector for conveniently disassembling the piston as claimed in claim 1, wherein: the push rod (6) and the positioning plate (4) are vertically distributed, and a sliding connection structure is formed between the push rod (6) and the positioning plate (4).

4. The combined piston collector for conveniently disassembling the piston as claimed in claim 1, wherein: the clamping block (8) is of a U-shaped structure, and an elastic telescopic structure is formed between the clamping block (8) and the push rod (6) through a built-in spring (9).

5. The combined piston collector for conveniently disassembling the piston as claimed in claim 4, wherein: the end diameter of the clamping block (8) is equal to the inner diameter of the limiting hole (10), and the clamping block (8) is symmetrically distributed about the transverse central axis of the push rod (6).

6. The combined piston collector for conveniently disassembling the piston as claimed in claim 1, wherein: the cross section of the blocking insertion block (12) is set to be rectangular, and the blocking insertion block (12) is in sliding connection with the guide partition plate (11).

7. The combined piston collector for conveniently disassembling the piston as claimed in claim 6, wherein: the blocking insertion block (12) is in threaded connection with the threaded rod (13), and the surface of the inner end of the blocking insertion block (12) is flush with the inner surface of the guide partition plate (11).