CN214367915U

CN214367915U - Pinch valve suitable for multi-path liquid path and instrument with liquid path

Info

Publication number: CN214367915U
Application number: CN202120348095.1U
Authority: CN
Inventors: 沈磊; 沈海东; 吕伟; 钱峰; 燕贺年; 李源; 陈任远; 吴超; 赵立秀
Original assignee: Jiangsu Bioperfectus Technologies Co ltd
Current assignee: Jiangsu Bioperfectus Technologies Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-08
Anticipated expiration: 2031-02-07

Abstract

The utility model provides a pinch valve suitable for multichannel liquid way, include: the device comprises a driving device, an eccentric wheel, a cam seat, a first clamping plate, a second clamping plate, a first hose set and a second hose set, wherein the cam is arranged on the cam seat; the driving device and the eccentric wheel drive the cam seat to reciprocate; a plurality of grooves are formed in the first clamping plate and the second clamping plate; the cam is matched with the grooves on the first clamping plate and the second clamping plate to open or close the first hose group and the second hose group. The utility model discloses an eccentric wheel pushing mechanism reciprocating motion utilizes recess cooperation control multichannel pipeline on cam and the splint closed simultaneously, can the more liquid way of simultaneous control, alleviates the heavy load and the reduction in production cost of instrument.

Description

Pinch valve suitable for multi-path liquid path and instrument with liquid path

Technical Field

The utility model relates to the technical field of valves, in particular to a pinch valve suitable for multichannel liquid way and take device on liquid way is related to.

Background

Pinch valves (Pinch Valve), also known in China as tube Pinch valves, balloon valves, Pinch valves, etc. The sleeve pipe is extruded by utilizing the driving modes of pneumatics, electromotion, manual operation or hydraulic operation and the like to achieve the effect of opening/closing/adjustment, and the electromagnetic pinch valve is a form of a pinch valve. The sleeve (hose) is the most important part of the pinch valve, providing corrosion resistance, abrasion resistance and pressure bearing capability, and the advantages and disadvantages of the internal parts such as the electromagnetic coil, the armature, the spring and the like also influence the service life of the valve.

At present, most of instruments with liquid paths use pinch valves, the pinch valves on the market are generally single-path or multi-path, when the number of the liquid paths of the instruments is large and the number of the liquid paths needs to be controlled simultaneously, a large number of pinch valves need to be arranged, the load on the instruments is large, and the production cost is high.

Through retrieval, patent document CN204477374U discloses a pneumatic pinch valve, which comprises a valve body, an end cover, a support ring, an inner bushing, a seal ring, an air tap, and a self-tapping screw; the valve body, the end cover and the support ring are all made of plastic materials; the inner lining is made of elastic materials; an air chamber is arranged between the inner bushing and the valve body; after compressed air is injected into an air chamber of the pinch valve, the inner bushing is compressed and deformed, and then an inner channel of the inner bushing is closed; and when compressed air is not injected into the air chamber of the pinch valve, the internal channel of the inner bushing is smooth. The prior art has the disadvantage that the technical problem that a large number of pinch valves are required to be arranged when a large number of liquid paths are available cannot be solved.

Therefore, it is necessary to develop a pinch valve suitable for multiple fluid paths to reduce the load of the apparatus and the production cost.

SUMMERY OF THE UTILITY MODEL

To the defects in the prior art, the utility model aims at providing a pinch valve and take liquid way instrument suitable for multichannel liquid way.

According to the utility model provides a pair of pinch valve suitable for multichannel liquid way, include: the device comprises a driving device, an eccentric wheel, a cam seat, a first clamping plate, a second clamping plate, a first hose set and a second hose set, wherein the cam is arranged on the cam seat; the driving device and the eccentric wheel drive the cam seat to reciprocate; a plurality of grooves are formed in the first clamping plate and the second clamping plate; the cam is matched with the grooves on the first clamping plate and the second clamping plate to open or close the first hose group and the second hose group.

Preferably, the cam base is connected to the eccentric by a connecting rod.

Preferably, the first hose group is arranged on the same side of the first clamping plate, and the second hose group is arranged on the same side of the second clamping plate.

Preferably, the clamping device further comprises a hollow screw plug, a small clamping block and an elastic piece, wherein the hollow screw plug is symmetrically arranged on one side of the first clamping plate and one side of the second clamping plate; the elastic piece is sleeved on the hollow screw plug; the small clamping block is arranged at one end of the hollow screw plug close to the interior of the first clamping plate and the second clamping plate.

Preferably, the first hose group and the second hose group are each provided with a plurality of hoses.

Preferably, when the cam is in the a position, the second clamp and a hose in the second hose set are in the closed state, and the first clamp and a hose in the first hose set are in the open state.

Preferably, when the cam is in the B position, the first clamp, the second clamp, a hose of the first hose set and a hose of the second hose set are all in the closed state.

Preferably, when the cam is in the C position, the first clamp, the second clamp and one of the second hose set are in the open state, and one of the first hose set is in the closed state.

Preferably, when the cam is in the D position, the first clamp, the second clamp, a hose in the first hose set and a hose in the second hose set are all in an open state.

According to the utility model provides a pair of take device on liquid way contains foretell pinch valve that is applicable to multichannel liquid way.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses an eccentric wheel pushing mechanism reciprocating motion utilizes recess cooperation control multichannel pipeline on cam and the splint closed simultaneously, can the more liquid way of simultaneous control, alleviates the heavy load and the reduction in production cost of instrument.

2. The utility model discloses a hollow plug screw is used for compressing tightly the elastic component, promotes little clamp splice 7, cooperates first splint and the tight hose of second splint clamp, and the elastic component plays buffering and guard action to the hose.

3. The utility model discloses the position A, B, C of setting is operating position, and position D is idle position, can play the guard action to the pipeline when taking the instrument on liquid way not to use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is a partial enlarged view of the working position and the idle position in the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1-4, the present invention provides a pinch valve suitable for multiple fluid paths, which comprises a driving device 1, an eccentric wheel 2, a cam seat 3, a first clamping plate 4, a second clamping plate 5, a hollow screw plug 6, a small clamping block 7, a first hose set 8, a cam 9, a second hose set 10 and an elastic member 11.

Wherein, the cam 9 is arranged on the cam seat 3; the driving device 1 and the eccentric wheel 2 drive the cam seat 3 to reciprocate; a plurality of grooves are arranged on the first clamping plate 4 and the second clamping plate 5; the cam 9 is matched with the grooves on the first clamping plate 4 and the second clamping plate 5 to open or close the first hose group 8 and the second hose group 10.

Further, the hollow screw plugs 6 are symmetrically arranged on one sides of the first clamping plate 4 and the second clamping plate 5; the elastic piece 11 is sleeved on the hollow screw plug 6; the small clamping block 7 is arranged at one end of the hollow screw plug 6 close to the inner parts of the first clamping plate 4 and the second clamping plate 5. The hollow screw plug 6 is used for pressing the elastic part 11, pushing the small clamping block 7, matching with the first clamping plate 4 and the second overtime 5 to clamp the hose, and the elastic part plays a role in protecting the hose. The first hose group 8 and the second hose group 10 are both provided with a plurality of hoses, the first hose group 8 is arranged on the same side of the first clamping plate 4, and the second hose group 10 is arranged on the same side of the second clamping plate 5. The cam seat 3 is connected with the eccentric wheel 2 through a connecting rod.

The working principle is as follows:

when the cam 9 is in the a position, the second clamp 5 and a hose in the second hose group 10 are in the closed state, and the first clamp 4 and a hose in the first hose group 8 are in the open state. When the cam 9 is in the B position, the first clamp 4, the second clamp 5, a hose of the first hose group 8, and a hose of the second hose group 10 are all in the closed state. When the cam 9 is at the C position, a hose of the first clamp 4, the second clamp 5 and the second hose set 10 is in an open state, and a hose of the first hose set 8 is in a closed state. When the cam 9 is in the D position, the first clamp 4, the second clamp 5, a hose of the first hose group 8, and a hose of the second hose group 10 are all in an open state.

According to the inventionPreferred embodiment(s) of the inventionFor further explanation.

Based on the above-mentioned embodiment, first hose nest 8 and second hose nest 10 all are provided with 24 way liquid ways, only dispose the utility model provides a pinch valve can, need not to be equipped with a large amount of pinch valves, reduce, the fault rate reduces to the load of instrument to manufacturing cost has been reduced.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A pinch valve adapted for use in multiple fluid circuits, comprising: a driving device (1), an eccentric wheel (2), a cam (9), a cam seat (3), a first clamping plate (4), a second clamping plate (5), a first hose group (8) and a second hose group (10),

the cam (9) is arranged on the cam seat (3);

the driving device (1) and the eccentric wheel (2) drive the cam seat (3) to reciprocate;

a plurality of grooves are formed in the first clamping plate (4) and the second clamping plate (5);

the cam (9) is matched with grooves on the first clamping plate (4) and the second clamping plate (5) to open or close the first hose set (8) and the second hose set (10).

2. Pinch valve for multiple fluid paths according to claim 1, characterized in that the cam seat (3) is connected with the eccentric (2) by means of a connecting rod.

3. Pinch valve for multiple fluid paths according to claim 1, characterized in that the first set of hoses (8) is arranged on the same side of the first splint (4) and the second set of hoses (10) is arranged on the same side of the second splint (5).

4. The pinch valve for multipath fluid paths of claim 1, further comprising a hollow plug screw (6), a small clamping block (7) and an elastic member (11),

the hollow screw plugs (6) are symmetrically arranged on one sides of the first clamping plate (4) and the second clamping plate (5);

the elastic piece (11) is sleeved on the hollow plug screw (6);

the small clamping block (7) is arranged at one end of the hollow screw plug (6) close to the interior of the first clamping plate (4) and the second clamping plate (5).

5. Pinch valve for multiple fluid circuits according to claim 1, characterized in that the first and second hose sets (8, 10) are each provided with a plurality of hoses.

6. Pinch valve for multiple fluid paths according to claim 1, characterised in that when the cam (9) is in position a, the second jaw (5) and a hose of the second group (10) are in the closed state and the first jaw (4) and a hose of the first group (8) are in the open state.

7. The pinch valve for multiple fluid paths according to claim 1, wherein when the cam (9) is in the B position, the first clamp (4), the second clamp (5), a hose of the first hose set (8) and a hose of the second hose set (10) are all in a closed state.

8. Pinch valve for multiple fluid circuits according to claim 1, characterized in that when the cam (9) is in the C position, a hose of the first set of hoses (8) is in the closed state and a hose of the first set of hoses (4), the second set of grippers (5) and a hose of the second set of hoses (10) is in the open state.

9. Pinch valve for multiple fluid circuits according to claim 1, characterized in that when the cam (9) is in position D, the first clamp (4), the second clamp (5), a hose of the first group of hoses (8) and a hose of the second group of hoses (10) are all in an open state.

10. An apparatus with a fluid path comprising a pinch valve according to any one of claims 1 to 9 adapted for use in a multiplex fluid path.