CN209876251U - Bernoulli joint - Google Patents

Abstract

The utility model discloses a Bernoulli connects, this joint include body and toper core, and the body has gas feed, liquid inlet and gas-liquid mixture export, and gas feed is suitable for and links to each other with the compressed gas output tube. The toper core is established inside the body, and the tip of toper core sets up towards gas feed, and the main aspects of toper core is opened and is set up towards the gas-liquid mixture export, is equipped with the inlet that is linked together with liquid feed on the global of toper core. According to this joint because the body is inside to be equipped with the toper core, utilize compressed gas to flow through the negative pressure that produces at the toper core surface at a high speed and absorb chemical for chemical and compressed air shift to other places simultaneously, realized that the liquid that has strong corrosivity under the emergency situation shifts, reduce corrosion-resistant pump purchase cost and time cost, promoted the security of liquid transfer in-process.

Description

Bernoulli joint

Technical Field

The utility model relates to a pipe connection technical field especially relates to a Bernoulli connects.

Background

The existing various strong acid and strong alkali resistant liquid medicine pumps are high in price, and companies which do not commonly use strong acid and strong alkali resistant liquid medicine pumps cannot purchase the liquid medicine pumps, but in some emergency situations, some pump bodies are urgently needed to transfer liquid with strong corrosivity, if the strong acid and strong alkali resistant liquid medicine pumps are specially purchased, the cost is high, and if the strong acid and strong alkali resistant liquid medicine pumps are manually transferred, the danger is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bernoulli connects, this bernoulli connects can realize the transfer of strong corrosive liquids under the emergency situation, and the cost is lower, and the security is higher.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bernoulli joint comprising: the pipe body is provided with a gas inlet, a liquid inlet and a gas-liquid mixing outlet, and the gas inlet is suitable for being connected with the compressed gas output pipe; the tapered core is arranged inside the pipe body, the small end of the tapered core faces towards the gas inlet, the large end of the tapered core is opened and faces towards the gas-liquid mixing outlet, and a liquid inlet communicated with the liquid inlet is formed in the circumferential surface of the tapered core.

Optionally, the bernoulli joint further comprises: and the two ends of the connecting pipe are respectively connected with the liquid inlet and the liquid inlet.

Optionally, the cross-sectional area of the gas-liquid mixing outlet is larger than the cross-sectional area of the gas inlet, and the cross-sectional area of the gas inlet is larger than the cross-sectional area of the liquid inlet.

Optionally, the bernoulli coupling further comprises a first ferrule fitting disposed around the gas inlet, the first ferrule fitting configured to connect to a compressed gas output tube, the first ferrule fitting being a corrosion resistant member.

Optionally, the bernoulli coupling further comprises a second ferrule adapter disposed around the liquid inlet, the second ferrule adapter configured to connect to a corrosive liquid outlet pipe, and the second ferrule adapter is a corrosion resistant member.

Optionally, the bernoulli joint further comprises a third bayonet joint, the third bayonet joint surrounds the gas-liquid mixing outlet, the third bayonet joint is configured to be connected with the gas-liquid mixing output pipe, and the third bayonet joint is a corrosion-resistant part.

Optionally, the bernoulli coupling further comprises a throttle valve disposed between the gas inlet and the conical core, the throttle valve being capable of regulating the flow rate of gas to the conical core.

Optionally, the conical core is conical, and the liquid inlet is arranged near the small end of the conical core.

Optionally, the pipe body and the conical core are non-metal corrosion-resistant pieces.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

The utility model discloses a Bernoulli connects has following advantage:

(1) set up the toper inner core in the body, utilize compressed air to flow through the negative pressure that produces at the high-speed of toper surface, absorb chemical for realize having the liquid transfer of strong corrosivity under the emergency situation, reduce corrosion-resistant pump purchase cost and time cost, need not electric power and can meet an urgent need the use.

(2) In the process of transferring the liquid with strong corrosiveness, an operator does not need to hold the joint by hand, and the use safety is improved.

Drawings

Fig. 1 is a schematic structural diagram of a bernoulli joint according to an embodiment of the present invention.

Reference numerals:

1-a pipe body; 1 a-a gas inlet; 1 b-a liquid inlet; 1 c-a gas-liquid mixing outlet 1 c;

2-a tapered core; 2 a-a liquid inlet;

3-connecting pipe; 4-a first ferrule fitting; 5-a second ferrule fitting; 6-third card socket joint; 7-throttle valve.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present specification, it is to be understood that the terms "inner", "outer", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

The specific structure of the bernoulli joint of an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, the bernoulli coupling of the present embodiment comprises a pipe body 1 and a conical core 2, the pipe body 1 having a gas inlet 1a, a liquid inlet 1b and a gas-liquid mixing outlet 1c, the gas inlet 1a being adapted to be connected to a compressed gas outlet pipe. The tapered core 2 is established inside the body 1, and the tip of tapered core 2 sets up towards gas feed 1a, and the main aspects of tapered core 2 are opened and are set up towards gas-liquid mixture export 1c, are equipped with the inlet 2a that is linked together with liquid feed 1b on the global of tapered core 2.

It can be understood that, after the compressed air enters the inside of the pipe body 1 from the gas inlet 1a, the small end of the conical core 2 disposed toward the gas inlet 1a can play a role of shunting the gas, the speed of the gas can be increased in the process of flowing from the small end to the large end of the conical core 2 after shunting, when the gas flow passes through the surface of the conical core 2, because the large end of the conical core 2 is opened, a negative pressure can be formed near the large end of the conical core 2, and the peripheral surface of the conical core 2 is provided with the liquid inlet 2a communicated with the liquid inlet 1b, therefore, the liquid in the container connected with the liquid inlet 1b can be sucked into the conical core 2. That is, the liquid can enter the tapered core 2 from the container through the liquid inlet 1b and the liquid inlet 2a in sequence, then flow into the pipe body 1 from the large end of the tapered core 2, and finally flow out of the bernoulli joint through the gas-liquid mixing outlet 1c together with the compressed gas. Therefore, when the liquid with strong corrosiveness in a factory needs to be transferred, the Bernoulli joint only needs to be connected between the container for containing the liquid with strong corrosiveness and the container to be transferred, a corrosion-resistant pharmaceutical pump is not needed, and the cost is reduced. In addition, when liquid with strong corrosivity is transferred, operating personnel need not to hold the transfer device by hand, and the operation safety is greatly improved.

According to the bernoulli connects of this embodiment, because body 1 is inside to be equipped with tapered core 2, utilize compressed gas to flow through the negative pressure that produces at its surface high speed and absorb chemicals for chemicals shifts to other places simultaneously with compressed air, has realized the liquid that has strong corrosivity under the emergency situation and has shifted, reduces corrosion-resistant pump purchase cost and time cost, has promoted the security of liquid transfer in-process.

Optionally, as shown in fig. 1, the bernoulli joint further comprises a connecting pipe 3, and two ends of the connecting pipe 3 are respectively connected to the liquid inlet 2a and the liquid inlet 1 b. It can be understood that the existence of connecting pipe 3 has realized on the one hand that tapered core 2 can hang and establish inside body 1, has guaranteed tapered core 2's stability, and on the other hand has reduced the flow resistance of air current, is favorable to tapered core 2's main aspects department to form the negative pressure in order to inhale liquid. Of course, in the embodiment of the present invention, in order to ensure the stability of the tapered core 2, the tapered core 2 may be supported inside the pipe body 1 by a plurality of connection pillars.

Advantageously, the connecting pipe 3 is a corrosion-resistant part, and since most of the transferred liquid is strong acid and strong base liquid with strong corrosiveness, the connecting pipe 3 adopts the corrosion-resistant part, so that the service life of the bernoulli joint is prolonged, and the liquid pollution caused by the reaction of the connecting pipe 3 and the strong acid and strong base liquid is avoided. It should be noted that, the specific material of the connecting pipe 3 is not selected, and the material of the connecting pipe 3 may be selected according to actual requirements.

Advantageously, the connecting tube 3 is integrally formed with the conical core 2.

Alternatively, the cross-sectional area of the gas-liquid mixing outlet 1c is larger than that of the gas inlet 1a, and the cross-sectional area of the gas inlet 1a is larger than that of the liquid inlet 1 b. It will be appreciated that the larger cross-sectional area of the gas inlet 1a increases the gas flow rate in the body 1, which is more favorable for creating a negative pressure near the large end of the tapered wick 2, and thus for sucking in liquid. While the smaller cross-sectional area of the liquid inlet 1b reduces the pressure difference required for the liquid to be sucked into the conical wick 2 to better ensure that the liquid can be sucked into the conical wick 2.

Optionally, as shown in fig. 1, the bernoulli coupling further comprises a first ferrule 4, the first ferrule 4 being arranged around the gas inlet 1a, the first ferrule 4 being configured to be connected to the compressed gas outlet conduit, the first ferrule 4 being a corrosion resistant member. It can be understood that the bernoulli coupling further comprises a first ferrule coupling 4 arranged around the gas inlet 1a, so that the connection between the bernoulli coupling and the compressed gas output pipe can be better realized, the connection is convenient, and the gas tightness of the connection part of the bernoulli coupling and the compressed gas output pipe is ensured. Advantageously, the first ferrule 4 may be connected with a standard PVFD (polyvinylidene fluoride) tubing. Thus, the first ferrule fitting 4 can be connected with a standard pipeline, and the application range of the Bernoulli fitting is widened. In addition, first cutting ferrule connects 4 and is corrosion-resistant spare, has reduced the harm of liquid to first cutting ferrule connects 4 that has strong corrosivity on the one hand, has prolonged the life that bernoulli connects, and on the other hand has avoided first cutting ferrule to connect 4 and has had the liquid of strong corrosivity to take place to react and pollute liquid. Here, the first ferrule 4 may be made of PP (polypropylene) or PVFD (polyvinylidene fluoride), etc., and of course, the first ferrule 4 may also be made of other corrosion-resistant materials.

Optionally, as shown in fig. 1, the bernoulli coupling further comprises a second ferrule fitting 5, the second ferrule fitting 5 being arranged around the liquid inlet 1b, the second ferrule fitting 5 being configured for connection to a corrosive liquid outlet pipe. It can be understood that the bernoulli joint further comprises a second ferrule joint 5 arranged around the liquid inlet 1b, so that the connection between the bernoulli joint and the corrosive liquid output pipe can be better realized, the connection is convenient, and the air tightness of the joint of the bernoulli joint and the corrosive liquid output pipe is ensured. Advantageously, the second ferrule 5 may be connected with a standard PVFD (polyvinylidene fluoride) tubing. Second ferrule fitting 5 can link to each other with standard pipeline like this, has improved bernoulli's joint's application scope. In addition second cutting ferrule connects 5 and is corrosion-resistant spare, has reduced the harm of liquid to second cutting ferrule connects 5 that has strong corrosivity on the one hand, has prolonged the life that bernoulli connects, and on the other hand has avoided second cutting ferrule to connect 5 and has had the liquid of strong corrosivity to take place to react and pollute liquid. Here, the second ferrule 5 may be made of PP (polypropylene) or PVFD (polyvinylidene fluoride), etc., and of course, the second ferrule 5 may also be made of other corrosion-resistant materials.

Optionally, as shown in fig. 1, the bernoulli coupling further comprises a third bayonet joint 6, the third bayonet joint 6 is disposed around the gas-liquid mixing outlet 1c, and the third bayonet joint 6 is configured to be connected to the gas-liquid mixing outlet pipe. It can be understood that the bernoulli joint further comprises a third clamping sleeve joint 6 arranged around the liquid inlet 1b, so that the connection between the bernoulli joint and the gas-liquid mixing output pipe can be better realized, the connection is convenient, and the air tightness of the joint of the bernoulli joint and the gas-liquid mixing output pipe is ensured. Advantageously, the third bayonet joint 6 can be connected with standard PVFD (polyvinylidene fluoride) tubing. Therefore, the third clamping sleeve joint 6 can be connected with a standard pipeline, and the application range of the Bernoulli joint is widened. In addition, the third clamping sleeve joint 6 is a corrosion-resistant part, so that on one hand, the damage of liquid with strong corrosivity to the third clamping sleeve joint 6 is reduced, the service life of the Bernoulli joint is prolonged, and on the other hand, the third clamping sleeve joint 6 is prevented from reacting with the liquid with strong corrosivity to pollute the liquid. Here, the third ferrule 6 may be made of PP (polypropylene) or PVFD (polyvinylidene fluoride), and of course, the third ferrule 6 may be made of other corrosion-resistant materials.

Advantageously, the first ferrule end 4, the second ferrule end 5 and the third ferrule end 6 are all detachably connectable to the pipe body 1. From this, can select the size of three kinds of cutting ferrule joints according to the difference of pipeline in the in-service use to the practicality that the bernoulli connects has been promoted.

It should be added here that, in the embodiment of the present invention, the first ferrule end 4, the second ferrule end 5, and the third ferrule end 6 may or may not be present at the same time, and one or two of them may or may not be present at the same time. The specific structure of the three ferrule fittings can be selected according to the pipelines connected with the ferrule fittings, and the specific structure of the three ferrule fittings is not limited herein.

Alternatively, as shown in fig. 1, the bernoulli coupling comprises a throttle valve 7, the throttle valve 7 being provided between the gas inlet 1a and the conical core 2, the throttle valve 7 being capable of regulating the gas flow rate to the conical core 2. It will be appreciated that the throttle valve 7 can control the flow rate of gas to the conical core 2 to better meet the requirements of use. That is, the magnitude of the negative pressure generated at the large end of the tapered core 2 can be controlled, so that the speed of the liquid sucked through the liquid inlet 1b can be controlled.

Optionally, the bernoulli coupling further comprises a gas-liquid separator connected at the gas-liquid mixing outlet 1 c. Therefore, the output gas-liquid mixture can be separated, and the using satisfaction of customers is improved.

Alternatively, the tapered core 2 is conical and the liquid inlet 2a is arranged adjacent to the small end of the tapered core 2. It will be appreciated that the conical core 2 is conical, which greatly reduces the resistance to air flow, thus facilitating the creation of a negative pressure at the large end of the conical core 2, and thus facilitating the suction of liquid into the conical core 2. And the liquid inlet 2a is arranged close to the small end of the tapered core 2, which is also beneficial to the liquid to be sucked into the tapered core 2. Of course, in other embodiments of the present invention, the conical core 2 may be formed as a cone with other shapes, and the liquid inlet 2a may be designed according to actual needs.

Optionally, the pipe body 1 and the conical core 2 are non-metallic corrosion resistant pieces. It can be understood that, body 1 and conical core 2 are for adopting non-metallic corrosion resistant material to make, have reduced the harm that has strong corrosive liquid to body 1 and conical core 2 on the one hand, have prolonged bernoulli's joint's life, and on the other hand has avoided body 1 and conical core 2 and the liquid that has strong corrosive to take place to react and pollute liquid.

Example (b):

a bernoulli joint of a specific embodiment of the invention is described below with reference to fig. 1.

As shown in fig. 1, the bernoulli coupling of the present embodiment comprises a pipe body 1, a conical core 2, a connecting pipe 3, a first ferrule fitting 4, a second ferrule fitting 5 and a third ferrule fitting 6. Body 1 has gas inlet 1a, liquid inlet 1b and gas-liquid mixture export 1c, and first cutting ferrule connects 4 and encircles gas inlet 1a setting, and first cutting ferrule connects 4 and is configured to link to each other with compressed gas output tube, and second cutting ferrule connects 5 and encircles liquid inlet 1b setting, and second cutting ferrule connects 5 and is configured to link to each other with corrosive liquid output tube, and third cutting ferrule connects 6 and encircles gas-liquid mixture export 1c setting, and third cutting ferrule connects 6 and is configured to link to each other with gas-liquid mixture output tube. The conical core 2 is formed into a conical shape and is arranged inside the pipe body 1, the small end of the conical core 2 is arranged towards the gas inlet 1a, the big end of the conical core 2 is opened and arranged towards the gas-liquid mixing outlet 1c, the circumferential surface of the conical core 2 is provided with a liquid inlet 2a, and the liquid inlet 2a is connected with the liquid inlet 1b through a connecting pipe 3. Body 1, toper core 2, connecting pipe 3, first cutting ferrule connect 4, second cutting ferrule connect 5 and third cutting ferrule connect 6 and are nonmetal corrosion resistant component.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (9)

1. A bernoulli joint, comprising:

a tube (1), said tube (1) having a gas inlet (1a), a liquid inlet (1b) and a gas-liquid mixing outlet (1c), said gas inlet (1a) being configured to be connected to a compressed gas output tube;

tapered core (2), tapered core (2) are established inside body (1), the tip orientation of tapered core (2) gas inlet (1a) sets up, the tip of tapered core (2) opens and moves towards gas-liquid mixture export (1c) sets up, be equipped with on the global of tapered core (2) with inlet (2a) that liquid inlet (1b) are linked together.

2. The bernoulli joint according to claim 1, further comprising a connecting tube (3), wherein both ends of the connecting tube (3) are connected to the liquid inlet (2a) and the liquid inlet (1b), respectively.

3. The bernoulli joint according to claim 1, wherein the gas-liquid mixing outlet (1c) has a cross-sectional area larger than that of the gas inlet (1a), and the gas inlet (1a) has a cross-sectional area larger than that of the liquid inlet (1 b).

4. The bernoulli coupling according to claim 1, further comprising a first ferrule fitting (4), the first ferrule fitting (4) being arranged around the gas inlet (1a), the first ferrule fitting (4) being configured to be connected to the compressed gas output pipe, the first ferrule fitting (4) being a corrosion resistant piece.

5. The bernoulli coupling according to claim 1, further comprising a second bayonet fitting (5), said second bayonet fitting (5) being arranged around said liquid inlet (1b), said second bayonet fitting (5) being configured to be connected to a corrosive liquid outlet pipe, said second bayonet fitting (5) being a corrosion resistant piece.

6. The bernoulli joint of claim 1, further comprising a third bayonet joint (6), wherein the third bayonet joint (6) is disposed around the gas-liquid mixing outlet (1c), the third bayonet joint (6) is configured to be connected to a gas-liquid mixing outlet pipe, and the third bayonet joint (6) is a corrosion resistant member.

7. The bernoulli joint according to claim 1, further comprising a throttle valve (7), the throttle valve (7) being provided between the gas inlet (1a) and the conical core (2), the throttle valve (7) being capable of regulating the gas flow rate to the conical core (2).

8. The bernoulli joint according to claim 1, wherein the tapered core (2) is conical and the liquid inlet (2a) is arranged adjacent to the small end of the tapered core (2).

9. The bernoulli joint according to claim 1, wherein the pipe body (1) and the tapered core (2) are non-metallic corrosion resistant pieces.