CN210686468U

CN210686468U - Box type vacuum generator

Info

Publication number: CN210686468U
Application number: CN201921756536.0U
Authority: CN
Inventors: 孙树根
Original assignee: Dongguan Tianyou Zhiyun Hardware Technology Co Ltd
Current assignee: Dongguan Tianyou Zhiyun Hardware Technology Co Ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-05
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a box-shaped vacuum generator, which comprises a housin, be equipped with the main part in the casing, main part system has air feed chamber, hybrid chamber and negative pressure chamber, still system in the main part has the intercommunication the ear of a chinese character 'shi's spray tube that draws tile of air feed chamber and hybrid chamber, the hybrid chamber still communicates the negative pressure chamber, the air supply port of air feed chamber and the vacuum mouth department in negative pressure chamber all are equipped with the quick-operation joint subassembly, be equipped with the diffuser pipe with the nozzle butt joint of ear of a chinese character 'shi's spray tube in the hybrid chamber, the exhaust chamber on the casing is established in the gas vent intercommunication of diffuser pipe, still be equipped with the amortization subassembly that. The utility model discloses rational in infrastructure, novel in design, appearance are small, light in weight, and exhaust speed is fast, simple to operate, and is with low costs, easy maintenance.

Description

Box type vacuum generator

Technical Field

The utility model relates to a vacuum generator technical field, in particular to box type vacuum generator.

Background

With the continuous improvement of the industrial automation level, the vacuum generator is widely applied to the fields of machinery, electronics, packaging, printing, plastics, robots and the like in industrial automation. The traditional purpose of the vacuum generator is to match with a sucker to adsorb and carry various materials, and the vacuum generator is particularly suitable for adsorbing fragile, soft and thin nonferrous and nonmetallic materials and spherical objects. The traditional vacuum generator has higher noise, so the structure of the traditional vacuum generator needs to be optimized, and the box type vacuum generator which has small volume, light weight, high exhaust speed, convenient installation and wide application environment range is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a box-shaped vacuum generator to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a box-shaped vacuum generator, which comprises a housin, be equipped with the main part in the casing, the main part system has air feed chamber, hybrid chamber and negative pressure chamber, still system in the main part has the intercommunication the ear of a drawing tile spray tube of air feed chamber and hybrid chamber, the hybrid chamber still communicates the negative pressure chamber, the air supply port of air feed chamber and the vacuum mouth department of negative pressure chamber all are equipped with the quick-operation joint subassembly, be equipped with the diffuser pipe with the nozzle butt joint of ear of a drawing tile spray tube in the hybrid chamber, the gas vent intercommunication of diffuser pipe establishes the exhaust chamber on the casing, still be equipped with the amortization subassembly that is used for the amortization in the exhaust chamber.

As a further elaboration of the above technical solution:

in the technical scheme, the main body is a three-way T-shaped main body, the air supply cavity and the mixing cavity are respectively arranged in a first pipe orifice and a second pipe orifice which are positioned in the transverse direction of the main body, and the first pipe orifice, the laval nozzle, the diffuser pipe and the second pipe orifice are coaxially arranged; the negative pressure cavity is arranged in a third pipe orifice in the longitudinal direction of the main body.

In the technical scheme, inclined wedge steps are respectively arranged on the inner side wall of the first pipe orifice matching air supply cavity and the inner side wall of the third pipe orifice matching negative pressure cavity, inclined clamping protrusions are further convexly arranged on the outer peripheral side of the guide sleeve of the quick joint component and buckled on the inclined wedge steps, and the sealing base of the quick joint component is matched with the inner side wall of the air supply cavity or the negative pressure cavity in an interference fit mode, so that the quick joint component is assembled in the air supply cavity or the negative pressure cavity in a matching mode.

In the above technical solution, the quick coupling assembly further includes a release sleeve, a spring clamp and a chuck coaxially disposed with the guide sleeve and the sealing base; the guide sleeve is provided with a hollow shaft hole, the release sleeve is embedded in the hollow shaft hole, one axial end of the release sleeve extends out of the air supply port or the vacuum port, the other axial end of the release sleeve is provided with a tenon platform part, the tenon platform part is embedded in the hollow hole of the chuck and matched with the release sleeve to be in butt joint with the chuck, the tenon platform part is also in butt joint with the spring clamp which is sleeved on the outer peripheral side of the chuck and nested in the hollow shaft hole, and the release sleeve is matched with the spring clamp to be in butt joint with the spring clamp; the sealing base is also provided with a tenon, the tenon is provided with a circular truncated cone-shaped upper air guide hole, the tenon is embedded into the through hole of the spring clamp, the chuck is embedded into the upper air guide hole, and the sealing base is in butt joint connection with the spring clamp and the chuck in a matching manner; still be equipped with the lower air guide hole with last air guide hole butt joint on the sealing base, lower air guide hole and last air guide hole constitute and run through the air guide hole of sealing base, the release cover still is equipped with the cavity guide hole, cavity hole and air guide hole dock in proper order and form the air flue that compressed air input and vacuum were breathed in.

In the above technical scheme, the hole diameter of the air guide hole gradually increases from the butt joint of the upper air guide hole and the lower air guide hole to the two ends of the sealing base in the axial direction.

In the technical scheme, the second pipe orifice is matched with the inner side wall of the mixing cavity, a first inclined wedge step is formed in the inner side wall of the mixing cavity, a tenon clamping convex which is clamped with the first inclined wedge step is formed in the matched position of the outer peripheral side of the diffuser pipe in an upward protruding mode, the diffuser pipe is embedded in the mixing cavity, the tenon clamping convex is clamped in the first inclined wedge step, a sealing ring which is sleeved on the diffuser pipe in a matching mode is sealed with the inner side wall of the mixing cavity, and the diffuser pipe is assembled in the mixing cavity in a sealing mode in a matching mode.

In the technical scheme, the diffuser pipe is provided with a valveless diffuser air passage which extends along the axial direction of the diffuser pipe and penetrates through the diffuser pipe, one end of the valveless diffuser air passage is in butt joint with a nozzle of the lava ear spray pipe, and the other end of the valveless diffuser air passage is communicated with the exhaust cavity.

In the technical scheme, the shell comprises a bottom shell and an upper cover, wherein the bottom shell is clamped into a clamping groove formed in the upper cover through a clamping hook and is matched with a locking screw to be in butt joint and fixedly connected with the upper cover; the exhaust device comprises a bottom shell and an upper cover, wherein the bottom shell and the upper cover are respectively provided with a lower clamping position and an upper clamping position for installing a main body, the bottom shell and the upper cover are butted and clamped with the main body, the bottom shell and the upper cover are also respectively provided with a lower cavity and an upper cavity which are communicated with an exhaust groove, and the lower cavity and the upper cavity can be butted to form the exhaust cavity.

In the above technical scheme, the noise reduction component is noise reduction cotton.

Compared with the prior art, the beneficial effects of the utility model reside in that: the vacuum port of the vacuum generator of the utility model is connected with the vacuum suction nozzle through the conduit, the air supply port is connected with the external air source through the air pipe, and the compressed air is sprayed towards the direction of the exhaust cavity through the tile pulling lug spray pipe to form the jet air flow, so that the negative pressure cavity generates negative pressure and vacuum; the utility model has the advantages of reasonable structure, novel design, small appearance volume, light weight, fast exhaust speed, convenient installation, low cost and easy maintenance; the utility model has rapid vacuum reaction, large vacuum degree and high vacuum flow and stable performance; the utility model discloses the casing adopts senior plastics injection moulding, and the diffuser pipe adopts senior aviation aluminum product processing, and anodic oxidation, no clack valve design can work in the unfreezing dangerous gas of-20 ℃ -80 ℃ and the acid environment of high corrosion, and application scope is wide.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic sectional structure of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. 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 present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1-3 illustrate a specific embodiment of the present invention, referring to fig. 1-3, a box-shaped vacuum generator, which includes a housing 1, a main body 2 is disposed in the housing 1, the main body 2 is provided with an air supply cavity 201, a mixing cavity 202 and a negative pressure cavity 203, the main body 2 is further provided with a lava nozzle 204 communicating the air supply cavity 201 and the mixing cavity 202, the mixing cavity 202 is further communicated with the negative pressure cavity 203, and the negative pressure cavity 203 is a vacuum generating cavity; quick connector assemblies 3 are arranged at an air supply port 205 of the air supply cavity 201 and a vacuum port 206 of the negative pressure cavity 203, a diffuser pipe 4 in butt joint with a nozzle 207 of a lava nozzle 204 is arranged in the mixing cavity 202, an exhaust port 401 of the diffuser pipe 4 is communicated with an exhaust cavity 5 arranged on the shell 1, a silencing assembly 6 for silencing is further arranged in the exhaust cavity 5, and in the embodiment, the silencing assembly 6 is silencing cotton; during actual operation, a vacuum port 206 of the vacuum generator is connected with a vacuum suction nozzle through a guide pipe, an air supply port 205 is connected with an external air source through an air pipe, compressed air supplied by the air supply port 205 is sprayed towards the direction of the exhaust cavity 5 through the laval nozzle 204 to form a spraying air flow, and when the spraying air flow enters a diffusion flow channel of the diffusion pipe 4, air around the negative pressure cavity 203 is taken away to enable the negative pressure cavity 203 to generate negative pressure, so that vacuum is formed, and the vacuum suction nozzle connected with the vacuum port 206 can perform adsorption operation.

Referring to fig. 1 to 3, in the present embodiment, the main body 2 is a three-way "T" shaped main body, the air supply cavity 201 and the mixing cavity 202 are respectively disposed in a first pipe orifice 21 and a second pipe orifice 22 located in a transverse direction of the main body 2, and the first pipe orifice 21, the laval nozzle 204, the diffuser pipe 4 and the second pipe orifice 22 are coaxially disposed; the negative pressure chamber 203 is provided in a third nozzle 23 located in the longitudinal direction of the main body 2.

Referring to fig. 1-3, in this embodiment, the inner side wall of the first pipe orifice 21 matching the air supply cavity 201 and the inner side wall of the third pipe orifice 23 matching the negative pressure cavity 203 are both provided with an inclined wedge step 211, an inclined clamping protrusion 311 is further protruded on the outer peripheral side of the guide sleeve 31 of the quick coupling assembly 3, the inclined clamping protrusion 311 is fastened to the inclined wedge step 211, and the sealing base 32 of the quick coupling assembly 3 is in interference fit with the inner side wall of the air supply cavity 201 or the negative pressure cavity 203, so that the quick coupling assembly 3 is assembled in the air supply cavity 201 or the negative pressure cavity 203 through matching; in this embodiment, the quick coupling assembly 3 further includes a release sleeve 33, a spring clip 34 and a collet 35 coaxially disposed with the guide sleeve 31 and the sealing seat 32; the guide sleeve 31 is provided with a hollow shaft hole 312, the release sleeve 33 is embedded in the hollow shaft hole 312, one axial end of the release sleeve 33 extends out of the air supply port 201 or the vacuum port 203, the other axial end of the release sleeve 33 is provided with a tenon table portion 331, the tenon table portion 331 is implanted in the hollow hole 351 of the chuck 35 and matched with the butt joint of the release sleeve 33 and the chuck 35, the tenon table portion 331 is also clamped with the spring clamp 34 which is sleeved on the outer peripheral side of the chuck 35 and nested in the hollow shaft hole 312, and the release sleeve 33 is matched with the spring clamp 34 and clamped; the sealing base 32 is further provided with a tenon 321, the tenon 321 is provided with a circular truncated cone-shaped upper air guide hole 322, the tenon 321 is embedded into the through hole 341 of the spring clamp 34, the chuck 35 is embedded into the upper air guide hole 322, and the sealing base 32 is in butt joint connection with the spring clamp 34 and the chuck 35 in a matching manner; the sealing base 32 is further provided with a lower air guide hole 323 butted with the upper air guide hole 322, the lower air guide hole 323 and the upper air guide hole 322 form an air guide hole penetrating through the sealing base 32, the release sleeve 33 is further provided with a hollow guide hole 332, and the hollow guide hole 332, the hollow hole 351 and the air guide hole are sequentially butted to form an air passage for inputting compressed air and sucking air in vacuum; in this embodiment, the hole diameter of the air guide hole gradually increases from the joint of the upper air guide hole 322 and the lower air guide hole 323 to the two ends of the sealing base 32 in the axial direction; in this embodiment, a first inclined wedge step 221 is formed on the inner side wall of the second pipe orifice 22 matching the mixing cavity 202, a tenon convex 41 buckled with the first inclined wedge step 221 is convexly formed at the matching position on the outer peripheral side of the diffuser pipe 4, the diffuser pipe 4 is embedded in the mixing cavity 202, the tenon convex 41 is buckled on the first inclined wedge step 221, a seal ring 7 sleeved on the diffuser pipe 4 is matched with the inner side wall of the mixing cavity 202, and the diffuser pipe 4 is assembled in the mixing cavity 202 in a sealing manner; in this embodiment, the diffuser pipe 4 is provided with a valveless diffuser air passage 42 extending along the axial direction of the diffuser pipe 4 and penetrating therethrough, one end of the valveless diffuser air passage 42 is in butt joint with the nozzle 207 of the lava ear nozzle 204, and the other end is communicated with the exhaust cavity 5.

Referring to fig. 1-3, in the present embodiment, the housing 1 includes a bottom shell 11 and an upper cover 12, the bottom shell 11 is clamped into a clamping groove 121 formed on the upper cover 12 through a clamping hook 111, and is fixedly connected to the upper cover 12 in a butt joint manner by matching with a locking screw (not shown in the drawings); have lower screens 112 and last screens 122 that are used for the installation of main part 2 respectively on drain pan 11 and the upper cover 12, when drain pan 11 and upper cover 12 docked, screens 112 and last screens 122 butt joint inlay card assembly down main part 2, still make respectively on drain pan 11 and the upper cover 12 have lower cavity 113 and last cavity 123 that communicate with exhaust duct 101, and lower cavity 113 and last cavity 123 can dock and form exhaust chamber 5.

The utility model has the advantages of reasonable structure, novel design, small appearance volume, light weight, fast exhaust speed, convenient installation, low cost and easy maintenance; the utility model has rapid vacuum reaction, large vacuum degree and high vacuum flow and stable performance; the utility model discloses the casing adopts senior plastics injection moulding, and the diffuser pipe adopts senior aviation aluminum product processing, anodic oxidation, no clack valve design, can work in the unfreezing dangerous gas of-20 ℃ -80 ℃ and the acid environment of high corrosion, and application scope is wide

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a box-type vacuum generator, its characterized in that, includes the casing, be equipped with the main part in the casing, main part system has air feed chamber, hybrid chamber and negative pressure chamber, still system in the main part has the intercommunication the ear of a hat made a hat spray tube of air feed chamber and hybrid chamber, the hybrid chamber still communicates the negative pressure chamber, the air supply port of air feed chamber and the vacuum mouth department in negative pressure chamber all are equipped with the quick-operation joint subassembly, be equipped with the diffuser pipe with the nozzle butt joint of ear of a hat made a hat spray tube in the hybrid chamber, the exhaust port intercommunication of diffuser pipe establishes the exhaust chamber on the casing, still be equipped with the amortization subassembly that is used for the amorti.

2. The box-type vacuum generator according to claim 1, wherein the main body is a three-way "T" shaped main body, the air supply chamber and the mixing chamber are respectively arranged in a first nozzle and a second nozzle located in a transverse direction of the main body, and the first nozzle, the laval nozzle, the diffuser pipe and the second nozzle are coaxially arranged; the negative pressure cavity is arranged in a third pipe orifice in the longitudinal direction of the main body.

3. The box-type vacuum generator according to claim 2, wherein the inner side wall of the first pipe orifice matching the air supply chamber and the inner side wall of the third pipe orifice matching the negative pressure chamber are both provided with inclined wedge steps, the outer peripheral side of the guide sleeve of the quick coupling assembly is further convexly provided with an inclined clamping protrusion, the inclined clamping protrusion is clamped on the inclined wedge steps, and the sealing base of the quick coupling assembly is matched with the inner side wall of the air supply chamber or the negative pressure chamber in an interference fit manner, so that the quick coupling assembly is assembled in the air supply chamber or the negative pressure chamber in a matching manner.

4. A canister vacuum generator as claimed in claim 3 wherein the quick connector assembly further comprises a release sleeve, a spring clip and a collet coaxially disposed with the guide sleeve and sealing seat; the guide sleeve is provided with a hollow shaft hole, the release sleeve is embedded in the hollow shaft hole, one axial end of the release sleeve extends out of the air supply port or the vacuum port, the other axial end of the release sleeve is provided with a tenon platform part, the tenon platform part is embedded in the hollow hole of the chuck and matched with the release sleeve to be in butt joint with the chuck, the tenon platform part is also in butt joint with the spring clamp which is sleeved on the outer peripheral side of the chuck and nested in the hollow shaft hole, and the release sleeve is matched with the spring clamp to be in butt joint with the spring clamp; the sealing base is also provided with a tenon, the tenon is provided with a circular truncated cone-shaped upper air guide hole, the tenon is embedded into the through hole of the spring clamp, the chuck is embedded into the upper air guide hole, and the sealing base is in butt joint connection with the spring clamp and the chuck in a matching manner; still be equipped with the lower air guide hole with last air guide hole butt joint on the sealing base, lower air guide hole and last air guide hole constitute and run through the air guide hole of sealing base, the release cover still is equipped with the cavity guide hole, cavity hole and air guide hole dock in proper order and form the air flue that compressed air input and vacuum were breathed in.

5. The vacuum generator as claimed in claim 4, wherein the hole diameter of the air-guide hole is gradually increased from the joint of the upper air-guide hole and the lower air-guide hole toward both ends of the sealing base in the axial direction.

6. The box-type vacuum generator according to claim 2, wherein the second pipe opening is provided with a first inclined wedge step on an inner side wall of the mixing chamber, a tenon clamping protrusion buckled with the first inclined wedge step is convexly arranged at an outer peripheral side matching position of the diffuser pipe, the diffuser pipe is embedded in the mixing chamber, the tenon clamping protrusion is buckled on the first inclined wedge step, a sealing ring sleeved on the diffuser pipe in a matching manner is sealed with the inner side wall of the mixing chamber, and the diffuser pipe is assembled in the mixing chamber in a sealing manner in a matching manner.

7. A vacuum generator as claimed in claim 6, wherein the diffuser tube is formed with a vaneless diffuser duct extending axially therethrough, one end of the vaneless diffuser duct abutting the nozzle of the laval nozzle and the other end communicating with the exhaust chamber.

8. The box-type vacuum generator according to any one of claims 1 to 7, wherein the housing comprises a bottom shell and an upper cover, the bottom shell is clamped into a clamping groove formed in the upper cover through a clamping hook, and is fixedly connected with the upper cover in a butt joint mode through matching with a locking screw; the exhaust device comprises a bottom shell and an upper cover, wherein the bottom shell and the upper cover are respectively provided with a lower clamping position and an upper clamping position for installing a main body, the bottom shell and the upper cover are butted and clamped with the main body, the bottom shell and the upper cover are also respectively provided with a lower cavity and an upper cavity which are communicated with an exhaust groove, and the lower cavity and the upper cavity can be butted to form the exhaust cavity.

9. The vacuum generator as claimed in claim 8, wherein the noise reduction member is noise reduction cotton.