CN210787802U

CN210787802U - Throttling ejector

Info

Publication number: CN210787802U
Application number: CN201921119230.4U
Authority: CN
Inventors: 肖海清; 肖丹; 李华
Original assignee: Hubei Yangxin Micron Precision Machinery Co ltd
Current assignee: Hubei Yangxin Micron Precision Machinery Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-19
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a throttle sprayer relates to the machine-building field, and this throttle sprayer includes: injection head, injection pipe, locating piece and the connecting block of integrated into one piece, wherein, the both ends of injection pipe are connected respectively the injection head with the connecting block, the injection pipe with circumference extends between the connecting block and is provided with the locating piece, injection head, injection pipe, locating piece and the coaxial setting of connecting block and intercommunication each other. The utility model discloses a set up seal groove cooperation sealing washer, do not leak when spraying work or dismantlement, set up the net dress filter simultaneously and filter and can effectively avoid impurity sneak into the injection liquid in spraying the chamber, further also avoided the problem that impurity blockked up the injector head, spray the chamber with the junction of injector head and the axial angle of injector head reduce gradually, by injector head department blowout time quicker, even, have better throttle and spray the effect.

Description

Throttling ejector

Technical Field

The utility model relates to the field of machine-building, especially, relate to a throttle sprayer.

Background

An ejector is a device that uses a fluid or gas to transfer physical energy. Traditional injection equipment is simple and crude, and the practicality of design is on the low side, can take place to block up because of the contingency because of reasons such as sneaking into impurity in the injection liquid in the use, and the situation such as cutout, sudden eruption, flow is difficult to control moreover, is difficult to guarantee the continuity of work and sprays product quality.

The throttling process refers to a thermodynamic process in which the pressure is reduced due to the sudden reduction of the cross section of a passage (such as an orifice plate, a valve, etc.) during the fluid flow, and therefore, a throttling ejector capable of avoiding the occurrence of blocking and flow-breaking is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of relevant product among the prior art, the utility model provides a throttle sprayer solves current sprayer and takes place to block up the problem of cutout easily.

The utility model provides a throttle sprayer, include: the injection head, the injection pipe, the positioning block and the connecting block are coaxially arranged and communicated with each other;

the spraying pipe is hollow, a spraying cavity and a filtering cavity which are communicated with each other are respectively arranged in the spraying pipe, the filtering cavity is communicated with the positioning block and the connecting block, the spraying cavity is communicated with the spraying head, a net-mounted filter for filtering impurities is arranged in the filtering cavity, and the spraying cavity is used for accommodating spraying liquid and is sprayed out from the spraying head under the action of pressure; the connection part of the injection cavity and the injection head is of a conical structure extending inwards, and the axial angle between the injection cavity and the injection head is gradually reduced.

In some embodiments of the present invention, the connecting block has a plug hole, and the plug hole is communicated with the injection cavity.

In some embodiments of the present invention, a sealing groove is disposed outside the connecting block, and the sealing groove is filled with an O-ring.

In some embodiments of the present invention, the positioning block is provided with a plurality of connecting holes, and one side of the positioning block is provided with a positioning groove.

In certain embodiments of the present invention, the injector head, the injector tube, the positioning block, and the connecting block are made of stainless steel.

Compared with the prior art, the utility model discloses there is following advantage:

the embodiment of the utility model provides a throttle sprayer is through setting up seal groove cooperation sealing washer, does not leak when spraying work or dismantlement, sets up the net dress filter simultaneously and filters and can effectively avoid impurity sneak into injection liquid in spraying the chamber, has further also avoided impurity to block up the problem of injector head, cooperation take place the axial when connecting hole and constant head tank can prevent to assemble and rotate, guaranteed higher position degree installation requirement, and the installation is quick, steady moreover, spray the chamber with the junction of injector head and the axial angle of injector head reduce gradually, and is quicker, even when being spout by injector head department, has better throttle and sprays the effect.

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 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a throttling ejector according to the present invention;

fig. 2 is a side sectional view of the throttling ejector of the present invention.

Description of reference numerals:

1-spray head, 2-spray pipe, 3-positioning block, 4-connecting block, 21-spray cavity, 22-filter cavity, 31-positioning groove, 32-connecting hole, 23-plug hole and 40-sealing groove.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary of the invention, and that no limitations are intended to the details of construction or design herein shown. The present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of providing a more thorough understanding of the present disclosure.

Referring to fig. 1 and 2, the throttling ejector comprises an injection head 1, an injection pipe 2, a positioning block 3 and a connecting block 4 which are integrally formed, wherein two ends of the injection pipe 2 are respectively connected with the injection head 1 and the connecting block 4, the injection pipe 2 and the connecting block 4 are circumferentially extended to form the positioning block 3, and the injection head 1, the injection pipe 2, the positioning block 3 and the connecting block 4 are coaxially arranged and are mutually communicated.

The spraying pipe 2 is hollow, a spraying cavity 21 and a filtering cavity 22 which are communicated with each other are respectively arranged in the spraying pipe 2, the filtering cavity 22 is communicated with the positioning block 3 and the connecting block 4, the spraying cavity 21 is communicated with the spraying head 1, a net filter for filtering impurities is arranged in the filtering cavity 22, the spraying cavity 21 is used for containing spraying liquid, and the spraying liquid is sprayed out from the spraying head 1 under the action of pressure; the connection part of the spray cavity 21 and the spray head 1 is of an internally extending conical structure, and the axial angle between the spray cavity and the spray head 1 is gradually reduced, so that the pressure of the spray liquid is reduced due to the sudden reduction of the channel section, the spray liquid is sprayed out from the spray head 1 more quickly and uniformly, the uniform film thickness can be formed on the surface of a product, and the better spray effect is achieved; the diameter of the filter chamber 22 is 5 cm.

The connecting block 4 is provided with an inserting hole 23, the inserting hole 23 is communicated with the jetting cavity 21, the inserting hole 23 is used for communicating the jetting liquid input device and is sequentially communicated into the filtering cavity 22, the jetting cavity 21 and the jetting head 1, and the diameter of the inserting hole 23 is 8 cm; seal groove 40 has been seted up in the outside of connecting block 4, it has O type circle to fill in the seal groove 40 for at injection liquid input device in provide sealed effect when connecting block 4 connects, improve the seal.

Be provided with a plurality of connecting holes 32 on the locating piece 3, one of them side of locating piece 3 is provided with constant head tank 31 connecting block 4 with during the injection liquid input device intercommunication, injection liquid input device with pass through the fastening spiro union between the locating piece 3 connecting hole 32 carries out fixed connection, constant head tank 31 is used for injection liquid input device with guide orientation carries out during the locating piece 3 is connected, takes place axial rotation when avoiding the assembly, has guaranteed higher position degree installation requirement, and the installation is quick moreover, steady.

The injection head 1, the injection pipe 2, the positioning block 3 and the connecting block 4 are all made of stainless steel.

The embodiment of the utility model provides a throttle sprayer is through setting up 40 cooperation sealing washers of seal groove, does not leak when spraying work or dismantlement, sets up the net dress filter simultaneously and filters and can effectively avoid impurity sneak into the injection liquid in spraying chamber 21, has further also avoided impurity to block up the problem of injector head 1, cooperation connecting hole 32 and constant head tank 31 take place the axial rotation when can preventing the assembly, have guaranteed higher position degree installation requirement, and the installation is quick, steady moreover, spray chamber 21 with the junction of injector head 1 and injector head 1's axial angle reduce gradually, by injector head 1 department during blowout more quick, even, have better throttle and spray the effect.

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 modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims

1. A throttle injector, comprising: the injection head, the injection pipe, the positioning block and the connecting block are coaxially arranged and communicated with each other;

2. The throttle injector of claim 1, wherein: and the connecting block is provided with a splicing hole which is communicated with the injection cavity.

3. The throttle injector of claim 1, wherein: the sealing groove is formed in the outer side of the connecting block, and an O-shaped ring is filled in the sealing groove.

4. The throttle injector of claim 1, wherein: the positioning block is provided with a plurality of connecting holes, and one side face of the positioning block is provided with a positioning groove.

5. The throttle injector of claim 1, wherein: the injection head, the injection pipe, the positioning block and the connecting block are all made of stainless steel.