CN215805455U

CN215805455U - Pump and valve integrated pneumatic device

Info

Publication number: CN215805455U
Application number: CN202122213029.6U
Authority: CN
Inventors: 王泽华
Original assignee: Guangdong Huayuan Technology Co ltd
Current assignee: Guangdong Huayuan Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-11
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to the technical field of air pumps, and particularly relates to a pump-valve integrated pneumatic device which comprises an air pump and an air valve arranged on the air pump; the air valve is at least provided with an air passage, the two ends of the air passage are respectively provided with an air inlet and an air outlet, and the air inlet is communicated with an inflation inlet of the air pump; the air passage is provided with a one-way valve at a position close to the air inlet, and when the air pump is inflated, air can push the one-way valve to open and blow out from the air outlet; through setting up the check valve inside the pneumatic valve, make airtight performance control between check valve and pneumatic valve, reduced the assembly tolerance between check valve and the air pump, can reach better sealed effect when the assembly, promoted pneumatic means air tightness performance greatly, the phenomenon of gas leakage can not appear.

Description

Pump and valve integrated pneumatic device

Technical Field

The utility model belongs to the technical field of air pumps, and particularly relates to a pump-valve integrated pneumatic device.

Background

The pneumatic operation is to make the machine move or do work by utilizing the air pressure generated by the impact action or the rotation action, and the pneumatic operation is to take the compressed air as a power source to drive the machine to complete the stretching or rotating action. Because the characteristic of compressibility of air is utilized, the air is sucked for compression and storage, the air has elasticity like a spring, and then the direction of the air is controlled by the control element to drive the execution element to rotate and stretch. The air sucked from the atmosphere can be discharged into the atmosphere, no chemical reaction can be generated, no component polluting the air can be consumed, and in addition, the viscosity of the gas is smaller than that of the liquid, so the flowing speed is high, and the environment is protected.

At present, in the pneumatic industry, the pump valve technology used generally places a one-way check valve (one-way valve) between an air pump and an air valve, and the one-way check valve belongs to an independent device, so that the air pump and the air valve can interfere with the air tightness of the one-way check valve, and the air tightness of a product is obviously reduced due to the accumulation of assembly tolerance of multiple parts, and the phenomenon of air leakage is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pump-valve integrated pneumatic device, and aims to solve the technical problems that in the prior art, a one-way check valve is usually arranged between an air pump and an air valve, the air pump and the air valve interfere with the air tightness of the one-way check valve, and the air tightness of a product is obviously reduced and air leakage is easy to occur due to the accumulation of assembly tolerance of multiple parts.

In order to achieve the above object, an embodiment of the present invention provides a pump-valve integrated pneumatic device, which includes an air pump and an air valve disposed on the air pump; the air valve is at least provided with an air passage, the two ends of the air passage are respectively provided with an air inlet and an air outlet, and the air inlet is communicated with an inflation inlet of the air pump; the air passage is provided with a one-way valve at a position close to the air inlet, and when the air pump is inflated, air can push the one-way valve to be opened and blown out from the air outlet.

Optionally, the one-way valve comprises a valve body, a sealing member and an elastic member; the valve body is arranged on the air passage, the valve body is provided with a passage penetrating through two ends of the valve body, and one end of the passage, which is close to the air pump, is provided with an opening and closing port with reduced size; the sealing element and the elastic element are arranged in the channel, and the elastic element elastically pushes the sealing element to be in sealing and abutting joint with the opening and closing port.

Optionally, the seal is provided with a spherical end which sealingly abuts the opening and closing port.

Optionally, the gas valve further comprises a connecting seat; the connecting seat at least penetrates through a connecting hole, the connecting seat is installed on the air valve, and one end of the connecting hole is communicated with the inflation inlet; the first end of the valve body is in sealed insertion connection with the other end of the connecting hole, and the second end of the valve body is in sealed insertion connection with the air inlet.

Optionally, a first sealing ring is connected between the first end of the valve body and the inner wall of the connecting hole in a sealing manner.

Optionally, a second sealing ring is connected between the second end of the valve body and the inner wall of the air inlet in a sealing manner.

Optionally, the air valve is further provided with a connecting piece; the connecting piece is symmetrically extended with a pair of clamping parts, and a clamping groove is formed between the two clamping parts; the middle outer wall of the valve body is concavely provided with a connecting groove along the circumferential direction, and the clamping grooves are sleeved on the valve body and the two clamping parts are respectively clamped on two opposite sides of the connecting groove.

Optionally, a relief valve is connected to an inflation port of the air pump.

Optionally, a release valve is connected between the one-way valve and the air outlet of the air passage.

Optionally, a housing is arranged on the air pump, the housing covers the air valve, and the housing is provided with a through hole for avoiding the air outlet.

Compared with the prior art, one or more technical solutions in the pump-valve integrated pneumatic device provided by the embodiment of the utility model have at least one of the following technical effects:

through setting up the check valve inside the pneumatic valve, make airtight performance control between check valve and pneumatic valve, reduced the assembly tolerance between check valve and the air pump, can reach better sealed effect when the assembly, promoted pneumatic means air tightness performance greatly, the phenomenon of gas leakage can not appear.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an exploded schematic view of a pump-valve integrated pneumatic device of the present invention.

Fig. 2 is a first sectional view of the pump-valve integrated pneumatic device of the present invention.

Fig. 3 is a partial structural sectional view of the pump-valve integrated pneumatic device of the present invention.

Fig. 4 is a second sectional view of the pump-valve integrated pneumatic device of the present invention.

Wherein, in the figures, the respective reference numerals:

the air pump 100, the inflation inlet 110, the pressure relief valve 120 and the programmable ECU module 130;

the air valve 200, the air passage 210, the air inlet 211, the air outlet 212, the connecting seat 220, the connecting hole 221, the clamping protrusion 222, the connecting piece 230, the clamping part 231, the air release valve 240, the air release port 241, the cylindrical connecting end 250 and the inverse buckle 251;

the check valve 300, the valve body 310, the channel 311, the opening and closing port 312, the conical surface 312a, the annular limiting table 313, the connecting groove 314, the sealing element 320, the spherical end 321, the connecting column 322, the elastic element 330, the first sealing ring 340 and the second sealing ring 350;

a shell 400, a through hole 410 and a card slot 420.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1, 2 and 3, there is provided a pump-valve integrated pneumatic device including an air pump 100 and an air valve 200 provided on the air pump 100.

Referring to fig. 1, 2 and 3, the air valve 200 is provided with at least one air passage 210, two ends of the air passage 210 are respectively an air inlet 211 and an air outlet 212, and the air inlet 211 is communicated with the air charging port 110 of the air pump 100. When the air pump 100 is inflated, air is blown out from the air inflation port 110.

Referring to fig. 1, 2 and 3, the air passage 210 is provided with a one-way valve 300 at a position close to the air inlet 211, and when the air pump 100 is inflated, air can push the one-way valve 300 to open the air passage 210 and blow out from the air outlet 212, so that high-pressure air is blown out from the air outlet 212. When pressure is maintained (when the air pump 100 stops inflating), the one-way valve 300 elastically resets to close the air passage 210, and outside air cannot enter the air pump 100 from the air passage 210.

Referring to fig. 1, 2 and 3, the check valve 300 is arranged inside the air valve 200, so that the air tightness is controlled between the check valve 300 and the air valve 200, the assembly tolerance between the check valve 300 and the air pump 100 is reduced, a better sealing effect can be achieved during assembly, the air tightness of the pneumatic device is greatly improved, and the phenomenon of air leakage cannot occur.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, the check valve 300 includes a valve body 310, a sealing member 320 and an elastic member 330. The valve body 310 is installed on the air passage 210, the valve body 310 is provided with a passage 311 penetrating through two ends of the valve body, and the passage 311 is communicated with the air passage 210. The end of the passage 311 near the air pump 100 is reduced in size to form an open/close port 312. The sealing member 320 and the elastic member 330 are both installed in the channel 311, and the elastic member 330 elastically pushes the sealing member 320 to be in sealing abutment with the opening/closing port 312, so that the opening/closing port 312 is closed. When the air pump 100 is inflated, the air can push the sealing member 320 to compress the elastic member 330 and move away from the opening/closing port 312, so that the opening/closing port 312 is opened, and the air can be blown out from the air outlet 212 through the passage 311 and the air passage 210.

Further, referring to fig. 1, 2 and 3, the sealing member 320 is provided with a spherical end 321, and the spherical end 321 is in sealing abutment with the opening/closing port 312. Specifically, the inner wall of the opening/closing port 312, which is close to the spherical end 321, is provided with a conical surface 312a, and the spherical end 321 is in sealing and abutting contact with the conical surface 312a, so that the abutting contact is tight, and the sealing effect is good.

Further, referring to fig. 1, 2 and 3, the elastic member 320 is a spring. An annular limiting table 313 is convexly arranged on the inner wall of the channel 311 far away from the opening and closing port 312, and two ends of the spring are respectively abutted against the annular limiting table 313 and the sealing element 320. The spherical end 321 is urged by spring elasticity to seal against the opening and closing port 312.

Specifically, referring to fig. 1, 2 and 3, a connection column 322 is arranged at one end of the sealing element 320 departing from the spherical end 321, one end of the spring is adapted to be sleeved on the connection column 322, the other end of the spring abuts against the annular limiting table 313, the connection is stable, and the spring is not easy to separate from the sealing element 320 when the spring performs telescopic motion.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, the gas valve 200 further comprises a connecting seat 220. The connecting base 220 is at least provided with a connecting hole 221 in a penetrating manner, the connecting base 220 is installed on the air valve 200, and one end of the connecting hole 221 is communicated with the inflation inlet 110. The first end of the valve body 310 is hermetically inserted into the other end of the connection hole 221, and the second end of the valve body 310 is hermetically inserted into the air inlet 211, so that the air valve 200 is mounted on the air passage 210, and the assembly is facilitated.

Further, referring to fig. 1, 2 and 3, a first sealing ring 340 is hermetically connected between the first end of the valve body 310 and the inner wall of the connection hole 221, and by providing the first sealing ring 340, the valve body 310 and the connection hole 221 have better sealing performance and are not prone to air leakage.

Further, referring to fig. 1, 2 and 3, a second sealing ring 350 is connected between the second end of the valve body 310 and the inner wall of the air inlet 211 in a sealing manner, and by the second sealing ring 350, the valve body 310 and the air inlet 211 are better in sealing performance and are not prone to air leakage.

Further, the gas valve 200 is further provided with a connecting member 230. The connector 230 can be fixedly mounted on the gas valve 200 by means of clamping, screwing, bonding, and the like.

Specifically, referring to fig. 1, 2 and 3, a pair of clamping portions 231 symmetrically extends from the connecting member 230, and a clamping groove is formed between the clamping portions 231. The middle part outer wall of valve body 310 is equipped with a connecting groove 314 along its circumference is concave, the joint groove cup joint in valve body 310 and two joint portion 231 joint respectively in the relative both sides of connecting groove 314 make connecting piece 230 with the fixed joint of valve body 310 to firmly install valve body 310 in air inlet 211, the connection is firm.

In another embodiment of the present invention, referring to fig. 1 and 4, a pressure relief valve 120 is connected to the inflation inlet 110 of the air pump 100, and when the air pressure at the air pump 100 is too large, the pressure can be relieved through the pressure relief valve 120, so as to avoid potential safety hazard caused by too large air pressure, and achieve better safety.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, a release valve 240 (also called a vent valve) is connected to the air passage 210 between the check valve 300 and the air outlet 212. When the container needs to be deflated, the deflation valve 240 is opened, and the gas in the container can be discharged from the deflation port 241 of the deflation valve 240, so that the practicability is high.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, a housing 400 is disposed on the air pump 100, the housing 400 covers the air valve 200, and the housing 400 is provided with a through hole 410 for avoiding the air outlet 212. The housing 400 protects the gas valve 200 and reduces the sound generated when gas is released, i.e., the gas generates noise when it flows rapidly within the gas valve 200.

Further, referring to fig. 1, 2 and 3, the opposite side walls of the connecting seat 220 are respectively provided with a convex clip 222 in a protruding manner, the opposite side walls of the housing 400 are respectively provided with a clamping groove 420, the housing 400 is adapted to be sleeved on the connecting seat 220, and each convex clip 222 is adapted to be clamped in one of the clamping grooves 420, so that the housing 400 is fixedly clamped on the connecting seat 220, and is convenient to detach and install.

Further, referring to fig. 1, 2 and 3, the gas valve 200 is provided with a cylindrical connecting end 250 at one end of the gas outlet 212, and the cylindrical connecting end 250 is convenient for a connecting pipe (not shown) to be sleeved on the cylindrical connecting end 250, so that the gas outlet 212 is connected with the connecting pipe, and the installation is convenient.

Furthermore, referring to fig. 1, 2 and 3, a plurality of undercuts 251 are convexly disposed on the outer wall of the cylindrical connection end 250, and when the connection pipe is sleeved on the cylindrical connection end 250, the undercuts 251 play a role in pre-tightening and clamping, so that the connection pipe is not easily separated from the cylindrical connection end 250, and the connection is stable.

In another embodiment of the present invention, the air valve 200 is symmetrically provided with two air passages 210, each air passage 210 is correspondingly provided with a one-way valve 300, and referring to fig. 1, 2 and 3, the air pump 100 is provided with two air charging ports 110 respectively corresponding to the two air passages 210 in a one-to-one manner. When the gas charging device is used, the two gas passages 210 can blow out high-pressure gas, the two containers can be simultaneously inflated, and the using effect is good.

The pump-valve integrated pneumatic device further includes a programmable ECU module 130, and the air pump 100, the air valve 200 and the air release valve 240 are electrically connected to the programmable ECU module 130. In this embodiment, the programmable ECU module 130 may be configured by using a PLC or an integrated chip according to actual production requirements, and since the programmable ECU module 130 belongs to a technology that is technically formed and mature in the prior art, how to control the pump-valve integrated pneumatic device by the programmable ECU module 130 should be known and mastered by those skilled in the art, so the control principle of the present invention is not described herein again.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the utility model as defined by the appended claims.

Claims

1. A pump-valve integrated pneumatic device is characterized by comprising an air pump and an air valve arranged on the air pump; the air valve is at least provided with an air passage, the two ends of the air passage are respectively provided with an air inlet and an air outlet, and the air inlet is communicated with an inflation inlet of the air pump; the air passage is provided with a one-way valve at a position close to the air inlet, and when the air pump is inflated, air can push the one-way valve to be opened and blown out from the air outlet.

2. The pump-valve integrated pneumatic device according to claim 1, characterized in that: the one-way valve comprises a valve body, a sealing element and an elastic element; the valve body is arranged on the air passage, the valve body is provided with a passage penetrating through two ends of the valve body, and the size of one end of the passage close to the air pump is reduced to form an opening and closing port; the sealing element and the elastic element are arranged in the channel, and the elastic element elastically pushes the sealing element to be in sealing and abutting joint with the opening and closing port.

3. The pump-valve integrated pneumatic device according to claim 2, characterized in that: the sealing element is provided with a spherical end which is in sealing butt joint with the opening and closing port.

4. The pump-valve integrated pneumatic device according to claim 2, characterized in that: the air valve also comprises a connecting seat; the connecting seat at least penetrates through a connecting hole, the connecting seat is installed on the air valve, and one end of the connecting hole is communicated with the inflation inlet; the first end of the valve body is in sealed insertion connection with the other end of the connecting hole, and the second end of the valve body is in sealed insertion connection with the air inlet.

5. The pump-valve integrated pneumatic device according to claim 4, characterized in that: and a first sealing ring is hermetically connected between the first end of the valve body and the inner wall of the connecting hole.

6. The pump-valve integrated pneumatic device according to claim 4, characterized in that: and a second sealing ring is hermetically connected between the second end of the valve body and the inner wall of the air inlet.

7. The pump-valve integrated pneumatic device according to claim 4, characterized in that: the air valve is also provided with a connecting piece; the connecting piece is symmetrically extended with a pair of clamping parts, and a clamping groove is formed between the two clamping parts; the middle outer wall of the valve body is concavely provided with a connecting groove along the circumferential direction, and the clamping grooves are sleeved on the valve body and the two clamping parts are respectively clamped on two opposite sides of the connecting groove.

8. The pump-valve integrated pneumatic device according to any one of claims 1 to 7, wherein: and the inflation inlet of the air pump is connected with a pressure relief valve.

9. The pump-valve integrated pneumatic device according to any one of claims 1 to 7, wherein: and a release valve is connected between the one-way valve and the air outlet of the air passage.

10. The pump-valve integrated pneumatic device according to any one of claims 1 to 7, wherein: the air pump is provided with a shell, the shell covers the air valve, and the shell is provided with a through hole for avoiding the air outlet.