CN215426478U - Cam type pressure converter of gastric lavage machine - Google Patents
Cam type pressure converter of gastric lavage machine Download PDFInfo
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- CN215426478U CN215426478U CN202022916113.XU CN202022916113U CN215426478U CN 215426478 U CN215426478 U CN 215426478U CN 202022916113 U CN202022916113 U CN 202022916113U CN 215426478 U CN215426478 U CN 215426478U
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Abstract
The utility model relates to the technical field of machinery. The cam type pressure converter of the gastric lavage machine comprises a valve body and a valve seat which are rotationally connected, wherein the valve seat is connected with a valve rod for switching between a conducting state and a cut-off state; the valve rod is sequentially provided with an installation part, a rotating part, a cam part and a driving end along the axial direction; the mounting part is inserted into the valve seat and is detachably connected with the valve seat through a third screw; the rotating part is rotatably connected with the valve body, and a through hole for penetrating through the valve rod is formed in the valve body; the cam part is positioned at the periphery of the valve body and is used for triggering a contact piece of the microswitch; the driving end is used for driving the valve rod to rotate. This patent is through the combination of micro-gap switch and cam portion, and the pressure converter of being convenient for is in the intellectual detection system of on-state and off-state.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a pressure converter.
Background
Pressure transducers are one of the components used in devices such as gastric lavage machines. The pressure converter is used for realizing the simultaneous opening and closing of the two branches.
The existing pressure converter lacks a detection mechanism capable of detecting the current on-off condition of the pressure converter, and is inconvenient for visually displaying the current on-off condition of the pressure converter.
SUMMERY OF THE UTILITY MODEL
In view of the problems of the prior art, the present invention provides a cam pressure transducer for a gastric lavage machine to solve at least one of the above technical problems.
In order to achieve the aim, the utility model provides a cam-type pressure converter of a gastric lavage machine, which comprises a valve body and a valve seat which are rotationally connected, wherein the valve seat is connected with a valve rod for switching a conducting state and a stopping state;
in a conducting state, the first through hole is conducted with the first joint to form a first branch circuit, and the second through hole is conducted with the second joint to form a second branch circuit;
in a cut-off state, the first through hole is not communicated with the first joint, and the second through hole is not communicated with the second joint;
the valve body is provided with a valve seat, a valve seat and a valve seat, wherein the valve seat is used for installing the valve body;
the valve rod is sequentially provided with an installation part, a rotating part, a cam part and a driving end along the axial direction;
the mounting part is inserted into the valve seat and detachably connected with the valve seat through a third screw;
the rotating part is rotatably connected with the valve body, and a through hole for penetrating through the valve rod is formed in the valve body;
the cam part is positioned on the periphery of the valve body and is used for triggering a contact piece of the microswitch;
the driving end is used for driving the valve rod to rotate.
This patent is through the combination of micro-gap switch and cam portion, and the pressure converter of being convenient for is in the intellectual detection system of on-state and off-state. When the valve rod is rotated to be switched to a cut-off state, the cam part triggers the micro switch to be in a closed state; when the valve rod is rotated to be switched to a conducting state, the cam part does not touch the micro switch, and the micro switch is in a disconnecting state.
The microswitch is a normally open microswitch. The microswitch is positioned on the connecting line of the power supply and the indicator light. Whether the valve is in the on-off state can be intuitively known through the switch of the indicating lamp.
Preferably, the switch seat is provided with a notch for accommodating the cam part, and the top of the switch seat is detachably connected with the microswitch;
the left end and the right end of the switch seat are detachably connected with the valve body through the second screws.
The cam is convenient to rotate in the notch, and the notch protects the cam and prevents the cam from being clamped by foreign matters.
Preferably, the cam part is provided with an annular groove with an opening facing the valve body, and the inner diameter of the annular groove is equal to the outer diameter of the rotating part;
a groove for placing a gasket is formed in the side, close to the cam part, of the valve body, and a through hole for a valve rod to penetrate through is formed in the gasket;
the annular groove is internally sleeved with a first spring, and the first spring is abutted to the gasket.
The valve body and the valve seat are convenient to tightly push through the spring.
Preferably, the first joint is butted with the periphery of the first through hole end and is provided with a groove for embedding a sealing ring, and the second joint is butted with the periphery of the second through hole end and is provided with a groove for embedding a sealing ring.
The air tightness between the valve body and the valve seat is convenient to realize.
Further preferably, a flat section is provided on an outer circumference of the mounting portion.
The mutual rotation between the valve rod and the valve seat is convenient to realize.
Preferably, the valve seat is provided with a positioning blind hole for mounting the second spring and the positioning pin, and the valve body is provided with an arc-shaped guide groove for guiding the positioning pin to move in an arc shape;
the positioning blind hole and the arc-shaped guide groove are clamped with a second spring and a positioning pin, one end of the second spring is abutted against the positioning blind hole, and the other end of the second spring is abutted against the positioning pin.
The positioning and the guiding in the rotating process are convenient to realize.
Preferably, the valve seat is further provided with two threaded holes for being in threaded connection with an adjusting rod, the two threaded holes are respectively communicated with the first through hole and the second through hole, the adjusting rod is in threaded connection with a locking nut, and the locking nut abuts against the valve seat.
Through adjusting the pole, be convenient for realize the adjustment in first through-hole and the second through-hole space, and then realize the regulation of pressure on first branch road and the second branch road, through lock nut, fasten.
Further preferably, the flow guiding directions of the first joint and the second joint respectively comprise a vertically arranged vertical guiding end and a transversely guiding transverse guiding end, and the vertical guiding end and the transversely guiding end are communicated;
the flow guide directions of the first through hole and the second through hole respectively comprise a first transverse flow guide section, a first vertical flow guide section and a second transverse flow guide section which are sequentially connected;
the second transverse flow guide section is positioned adjacent to the valve body side;
the threaded hole and the first vertical flow guide section are arranged up and down.
The adjustment of the gas circuit is convenient.
Further preferably, a supporting surface for abutting against the locking nut is arranged on the valve seat, and the supporting surface is a horizontal plane.
The limiting operation of the locking nut is convenient.
Further preferably, an inner concave portion is formed at the front end portion of the valve seat, and the third screw is located in the inner concave portion.
The looseness of the screw caused by the outward protrusion of the third screw is avoided.
Drawings
FIG. 1 is a front view of the present invention in the on state;
FIG. 2 is a front view of the utility model in the off state;
FIG. 3 is a rear view of the present invention in the on state;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3 in accordance with the present invention;
fig. 6 is a rear view of the present invention in the off state.
In the figure: 1 is a valve seat; 2 is a third screw; 3 is a locking nut; 4 is an adjusting rod; 5 is a valve body; 6 is a valve rod; 7 is a sealing ring; 8 is a positioning pin; 9 is a second spring; 10 is a gasket; 11 is a first spring; 12 is a gasket; 13 is a first screw; 14 is a microswitch; 15 is a switch base; 16 is a second screw; 17 is a contact sheet; and 18 is a contact.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, embodiment 1: the cam type pressure converter of the gastric lavage machine comprises a valve body 5 and a valve seat 1 which are rotationally connected, wherein the valve seat 1 is connected with a valve rod 6 for switching a conducting state and a stopping state, a first joint and a second joint are arranged on the valve body 5, and a first through hole and a second through hole are formed in the valve seat 1; in a conducting state, the first through hole is conducted with the first joint to form a first branch circuit, and the second through hole is conducted with the second joint to form a second branch circuit; in the cut-off state, the first through hole is not communicated with the first joint, and the second through hole is not communicated with the second joint;
the valve body is characterized by further comprising a microswitch 14 and a switch seat 15 for mounting the microswitch 14, wherein the microswitch 14 is mounted on the switch seat 15 through a first screw 13, and the switch seat 15 is mounted on the valve body 5 through a second screw 16; the valve rod 6 is sequentially provided with an installation part, a rotating part, a cam part and a driving end along the axial direction; the mounting part is inserted into the valve seat 1 and detachably connected with the valve seat through a third screw 2; the rotating part is rotatably connected with the valve body 5, and a through hole for passing through the valve rod 6 is formed in the valve body 5; the cam part is positioned at the periphery of the valve body 5 and is used for triggering a contact piece 17 of the microswitch 14; the driving end is used for driving the valve rod 6 to rotate. This patent is through the combination of micro-gap switch 14 and cam portion, is convenient for the pressure converter and is in the intellectual detection system of on-state and off-state. I.e. a microswitch 14, is used to signal the position of the valve opening and closing.
The microswitch may be a normally open microswitch. The micro switch may be located on the connection of the power source and the indicator light. Whether the valve is in the on-off state can be intuitively known through the switch of the indicating lamp.
When the valve rod 6 is rotated to be switched to a cut-off state (see fig. 2 and 6), the valve body 5 and the through hole in the valve seat 1 are staggered, and the contact piece 17 of the micro switch 14 is driven by the cam part of the valve rod 6 to compress the contact 18 of the micro switch 14, so that the micro switch 14 is in a closed state and gives a signal. When the valve rod 6 is turned to the on state (see fig. 1, 3, 4, and 5), the cam portion does not touch the microswitch 14, and the microswitch 14 is in the off state.
The switch seat 15 is provided with a gap for accommodating the cam part, and the top of the switch seat 15 is detachably connected with the microswitch 14; the left end and the right end of the switch seat 15 are detachably connected with the valve body 5 through second screws 16. The cam is convenient to rotate in the notch, and the notch protects the cam and prevents the cam from being clamped by foreign matters.
The cam part is provided with an annular groove with an opening facing the valve body 5, and the inner diameter of the annular groove is equal to the outer diameter of the rotating part; a groove for placing a gasket 12 is formed in the side, close to the cam part, of the valve body 5, and a through hole for the valve rod 6 to penetrate through is formed in the gasket 12; the annular groove is internally sleeved with a first spring 11, and the first spring 11 is abutted against the gasket 12. The valve body 5 and the valve seat 1 are convenient to be tightly pressed through a spring. The periphery that first joint butt joint first through-hole end is seted up and is used for imbedding the recess of sealing washer 7, and the periphery that second joint butt joint second through-hole end is seted up and is used for imbedding the recess of sealing washer 7. So that the airtightness between the valve body 5 and the valve seat 1 is facilitated. The washer 10 is clamped between the second screw 16 and the valve body 5. The valve body 5 is tightly attached to the valve seat 1 by the valve stem 6, the first spring 11, the gasket 12, the gasket 10, and the second screw 16, and is sealed by the seal ring 7.
A flat section is provided on the outer circumference of the mounting portion. Facilitating the mutual rotation between the valve stem 6 and the valve seat 1.
The valve seat 1 is provided with a positioning blind hole for mounting the second spring 9 and the positioning pin 8, and the valve body 5 is provided with an arc-shaped guide groove for guiding the positioning pin 8 to move in an arc shape; second spring 9 and locating pin 8 are held to the centre gripping between location blind hole and the arc guiding groove, and the one end and the location blind hole of second spring 9 offset, and the other end and the locating pin 8 of second spring 9 offset. The positioning and the guiding in the rotating process are convenient to realize. The arc-shaped guide groove is arranged below the first joint and the second joint.
Still set up two screw holes that are used for threaded connection to adjust pole 4 on the disk seat 1, two screw holes switch on with first through-hole and second through-hole respectively, and threaded connection has lock nut 3 on adjusting pole 4, and lock nut 3 offsets with disk seat 1. Through adjusting pole 4, be convenient for realize the adjustment in first through-hole and the second through-hole space, and then realize the regulation of pressure on first branch road and the second branch road, through lock nut 3, fasten. The flow guide directions of the first joint and the second joint respectively comprise a vertically arranged vertical guide end and a transversely guided transverse guide end, and the vertical guide end and the transverse guide end are communicated; the flow guide directions of the first through hole and the second through hole respectively comprise a first transverse flow guide section, a first vertical flow guide section and a second transverse flow guide section which are sequentially connected; the second transverse flow guide section is positioned at the side adjacent to the valve body 5; the threaded hole and the first vertical flow guide section are arranged up and down. The adjustment of the gas circuit is convenient. The valve seat 1 is provided with a supporting surface for supporting the locking nut 3, and the supporting surface is a horizontal plane. The limiting operation of the locking nut 3 is facilitated.
An inner concave part is arranged at the front end part of the valve seat 1, and the third screw 2 is positioned in the inner concave part. Loosening of the third screw due to the outward protrusion of the third screw 2 is avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. The cam type pressure converter of the gastric lavage machine comprises a valve body and a valve seat which are rotationally connected, wherein the valve seat is connected with a valve rod for switching between a conducting state and a stopping state; in a conducting state, the first through hole is conducted with the first joint to form a first branch circuit, and the second through hole is conducted with the second joint to form a second branch circuit; in a cut-off state, the first through hole is not communicated with the first joint, and the second through hole is not communicated with the second joint;
the valve body is provided with a valve seat, a valve seat and a valve seat, wherein the valve seat is used for installing the valve body;
the valve rod is sequentially provided with an installation part, a rotating part, a cam part and a driving end along the axial direction;
the mounting part is inserted into the valve seat and detachably connected with the valve seat through a third screw;
the rotating part is rotatably connected with the valve body, and a through hole for penetrating through the valve rod is formed in the valve body;
the cam part is positioned on the periphery of the valve body and is used for triggering a contact piece of the microswitch;
the driving end is used for driving the valve rod to rotate.
2. The gastric lavage machine cam pressure transducer of claim 1 wherein: the switch seat is provided with a notch for accommodating the cam part, and the top of the switch seat is detachably connected with the microswitch;
the left end and the right end of the switch seat are detachably connected with the valve body through the second screws.
3. The gastric lavage machine cam pressure transducer of claim 1 wherein: the cam part is provided with an annular groove with an opening facing the valve body, and the inner diameter of the annular groove is equal to the outer diameter of the rotating part;
a groove for placing a gasket is formed in the side, close to the cam part, of the valve body, and a through hole for a valve rod to penetrate through is formed in the gasket;
the annular groove is internally sleeved with a first spring, and the first spring is abutted to the gasket.
4. The gastric lavage machine cam pressure transducer of claim 1 wherein: the first joint is in butt joint with the periphery of the first through hole end and is provided with a groove used for embedding a sealing ring, and the second joint is in butt joint with the periphery of the second through hole end and is provided with a groove used for embedding the sealing ring.
5. The gastric lavage machine cam pressure transducer of claim 1 wherein: a tangent plane is arranged on the outer circumference of the mounting part.
6. The gastric lavage machine cam pressure transducer of claim 1 wherein: the valve seat is provided with a positioning blind hole for mounting a second spring and a positioning pin, and the valve body is provided with an arc-shaped guide groove for guiding the positioning pin to move in an arc shape;
the positioning blind hole and the arc-shaped guide groove are clamped with a second spring and a positioning pin, one end of the second spring is abutted against the positioning blind hole, and the other end of the second spring is abutted against the positioning pin.
7. The gastric lavage machine cam pressure transducer of claim 1 wherein: the valve seat is further provided with two threaded holes for being in threaded connection with an adjusting rod, the two threaded holes are respectively communicated with the first through hole and the second through hole, the adjusting rod is in threaded connection with a locking nut, and the locking nut abuts against the valve seat.
8. The gastric lavage machine cam pressure transducer of claim 7 wherein: the flow guide directions of the first joint and the second joint respectively comprise a vertically arranged vertical guide end and a transversely guided transverse guide end, and the vertical guide end and the transverse guide end are communicated;
the flow guide directions of the first through hole and the second through hole respectively comprise a first transverse flow guide section, a first vertical flow guide section and a second transverse flow guide section which are sequentially connected;
the second transverse flow guide section is positioned adjacent to the valve body side;
the threaded hole and the first vertical flow guide section are arranged up and down.
9. The gastric lavage machine cam pressure transducer of claim 7 wherein: the valve seat is provided with a supporting surface for abutting against the locking nut, and the supporting surface is a horizontal plane.
10. The gastric lavage machine cam pressure transducer of claim 1 wherein: an inner concave part is formed in the front end part of the valve seat, and the second screw is located in the inner concave part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022916113.XU CN215426478U (en) | 2020-12-08 | 2020-12-08 | Cam type pressure converter of gastric lavage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022916113.XU CN215426478U (en) | 2020-12-08 | 2020-12-08 | Cam type pressure converter of gastric lavage machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215426478U true CN215426478U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022916113.XU Active CN215426478U (en) | 2020-12-08 | 2020-12-08 | Cam type pressure converter of gastric lavage machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215426478U (en) |
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2020
- 2020-12-08 CN CN202022916113.XU patent/CN215426478U/en active Active
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