CN210950069U

CN210950069U - Novel vacuum cavity

Info

Publication number: CN210950069U
Application number: CN201921895150.8U
Authority: CN
Inventors: 姜建峰
Original assignee: Hartec Technology Kunshan Co ltd
Current assignee: Hartec Technology Kunshan Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a novel vacuum cavity mainly includes frame, blower inlet casing, swivel mount, intubate, king-rod, slider and apron, the frame bottom is provided with the vent, the frame bottom is located vent department fixed mounting has the blower inlet casing, and blower inlet casing top fixed mounting has the apron, and apron bottom lateral wall encloses with the blower inlet casing and establishes and form cross recess, the apron tip is close to blower inlet casing edge lateral wall department and has seted up the end hole, the lateral wall that the apron is located the cross recess scope is provided with first fold piece, second fold piece and the third fold piece that the symmetry set up. The utility model has reasonable structure design, adopts a shielding type gas breaking structure inside the device, and reduces the direct impact of gas on the material part under the condition of not influencing the working space inside the cavity; the external improved gas breaking structure increases the gas breaking aperture, reduces the gas breaking gas flow speed and reduces the direct impact of gas on the material part.

Description

Novel vacuum cavity

Technical Field

The utility model relates to a vacuum cavity, in particular to a novel vacuum cavity.

Background

The vacuum cavity is broken, which refers to the process of filling clean and dry gas into the vacuum cavity through the broken gas hole. And when the air pressure value in the cavity reaches the atmospheric pressure, opening a cavity valve, and taking out the material in the cavity.

During production, the vacuum degree in the cavity is less than 1Pa, the external air pressure difference in the cavity reaches 105Pa, and in a very short time, gas is flushed into the cavity in the form of shock waves to generate large impact (the acting force is more than 10N/cm2) on the material piece on one side of the air breaking hole. Under extreme conditions, can "blow up" the material part, if the coating film shields tool upper cover, when the quality is lighter, the lifting surface area is great, can be "blown up" to block in cavity superstructure, and then cause and carry a set transmission to lose efficacy, the product is scraped and is bumped the scheduling problem badly.

Disclosure of Invention

An object of the utility model is to provide a novel vacuum cavity to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel vacuum cavity mainly comprises an outer frame, a guide shell, a rotary seat, an insertion pipe, a middle rod, a slider and a cover plate, wherein a vent is arranged at the bottom end of the outer frame, the guide shell is fixedly arranged at the position, located at the vent, of the bottom end of the outer frame, the cover plate is fixedly arranged at the top end of the guide shell, a cross groove is formed by enclosing the side wall at the bottom end of the cover plate and the guide shell, an end hole is formed in the position, close to the side wall at the edge of the guide shell, of the end part of the cover plate, the side wall, located in the range of the cross groove, of the cover plate is provided with a first folding piece, a second folding piece and a third folding piece which are symmetrically arranged, through holes are formed in the positions, located at the first folding piece, the second folding piece and the third folding piece, of the middle part of the bottom end of, the utility model discloses a safety device, including intubate, side of the pipe, bottom of the pipe, side of the bottom of the pipe, side of.

As a further aspect of the present invention: the middle part of the bottom end of the cover plate is fixedly provided with a socket, and the top end of the middle rod is inserted and installed inside the socket.

As a further aspect of the present invention: and a lining ring is arranged between the side wall of the top end of the cannula and the inner wall of the top end of the rotary seat in a compression joint mode.

As a further aspect of the present invention: the middle part of the inner side of the sliding block is fixedly provided with a wear-resistant sleeve, and the inner wall of the wear-resistant sleeve is in sliding contact with the outer wall of the middle rod.

As a further aspect of the present invention: the front side wall and the rear side wall of the outer frame are provided with assembling ports with flanges.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structure design, adopts a shielding type gas breaking structure inside the device, and reduces the direct impact of gas on the material part under the condition of not influencing the working space inside the cavity; the external improved gas breaking structure increases the gas breaking aperture, reduces the gas breaking gas flow speed and reduces the direct impact of gas on the material part.

Drawings

Fig. 1 is a schematic structural diagram of a novel vacuum chamber.

Fig. 2 is a schematic structural view of the bottom view angle among the rotary seat, the insertion tube, the middle rod, the sliding block and the support plate in the novel vacuum chamber.

Fig. 3 is a schematic structural view of a main viewing angle among an outer frame, a rotary seat, an insertion tube, a middle rod and a sliding block in the novel vacuum chamber.

FIG. 4 is a schematic structural diagram of the novel vacuum chamber, including the cover plate, the baffle shell, the middle rod and the outer frame.

In the figure: the device comprises an outer frame 1, a guide shell 2, a rotary seat 3, an insertion pipe 4, an underframe 5, a middle rod 6, a support plate 7, a wear-resistant sleeve 8, a through hole 9, a sliding block 10, a first folding piece 11, a through hole opening 12, a socket 13, a cross groove 14, a lining ring 15, a spring 16, a spring plate 17, an end hole 18, a second folding piece 19, a third folding piece 20, a cover plate 21 and a clamping groove 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, in the embodiment of the present invention, a novel vacuum chamber mainly includes an outer frame 1, a diversion shell 2, a rotation seat 3, an insertion tube 4, a middle rod 6, a slider 10 and a cover plate 21, wherein a ventilation opening is disposed at a bottom end of the outer frame 1, the diversion shell 2 is fixedly mounted at a position, located at the ventilation opening, of a bottom end of the outer frame 1, the cover plate 21 is fixedly mounted at a top end of the diversion shell 2, a bottom side wall of the cover plate 21 and the diversion shell 2 enclose to form a cross groove 14, an end hole 18 is disposed at a position, close to a side wall at an edge of the diversion shell 2, of the cover plate 21, located at a range of the cross groove 14, is provided with a first folding piece 11, a second folding piece 19 and a third folding piece 20 which are symmetrically disposed, a through hole 12 is disposed at a position, located at the first folding piece 11, the second folding piece 19 and the third, 3 inboard lower parts of swivel mount are pegged graft and are installed intubate 4, and 4 outside upper portion lateral walls fixed mounting of intubate have extension board 7 that the symmetry set up, extension board 7 connects soon with swivel mount 3 through the bolt, 4 inboard lower part fixed mounting of intubate have

chassis

5, and 5 top middle part fixed mounting of chassis have king-

rod

6, and 6 outside lower part covers of king-rod are established and are installed slider 10, and the through-hole 9 that runs through from top to bottom is seted up to slider 10 edge, 6 outsides of king-rod are located 10 upper portion covers of slider and are established and install

spring

16, and 10 top lateral walls of spring 16 bottom fixed connection slider, 6 upper portion outer wall fixed mounting of king-rod has spring board 17, the 16.

The middle part of the bottom end of the cover plate 21 is fixedly provided with a socket 13, and the top end of the middle rod 6 is inserted and installed inside the socket 13.

And a lining ring 15 is arranged between the side wall of the top end of the insertion tube 4 and the inner wall of the top end of the rotary seat 3 in a compression joint mode.

The middle part of the inner side of the sliding block 10 is fixedly provided with a wear-resistant sleeve 8, and the inner wall of the wear-resistant sleeve 8 is in sliding contact with the outer wall of the middle rod 6.

The front side wall and the rear side wall of the outer frame 1 are provided with assembling ports with flanges.

The utility model discloses a theory of operation is:

the utility model relates to a novel vacuum cavity, when in use, the vacuum cavity is assembled in an integral jig, an inserting pipe 4 is fixedly communicated with an external air supply valve through a bolt matching flange, after low-pressure processing, an outer frame 1 is communicated with external air through the external air supply valve to counteract air pressure difference so as to open equipment, when air is admitted, firstly, the external air enters the bottom end of the inserting pipe 4, the air pressure difference is large in the earlier stage, the air passes through a through hole 9, the air inflow is small at the moment, the air pressure is balanced in the earlier stage by slow speed, at the moment, the air pressure difference pushes a slide block 10 to move upwards and compress a spring 16, when the slide block 10 moves to the upper part of the inserting pipe 4, the outer wall of the slide block 10 is not contacted with the inner wall of the inserting pipe 4 any more, the air inflow is increased to carry out large-term air admission, when the internal air pressure and the external air pressure are gradually close to, until the air pressure is kept flat, resistance is applied at the air inlet initial stage, a small amount of air inlet is performed at the early stage to reduce partial air pressure difference, the air inflow is prevented from being too large when the air pressure difference is maximum, air impact is caused, in addition, when air enters the cross groove 14 in the diversion shell 2, the cross section area of an air passing channel is greatly increased, the air pressure is divided, the air outlet impact force is reduced, the shielding is performed through the cover plate 21, the first folding piece 11, the second folding piece 19 and the third folding piece 20 at the top end of the diversion shell 2, the direct impact of air flow is avoided, in addition, when air is exhausted through the through hole 12 and the end hole 18, the air flow paths are crossed, the turbulence is mutually blown, the air flow impact force is further reduced, when the wearing parts of the internal devices are replaced, the bolts are loosened, the support plate 7 is screwed out of the clamping groove 22, the support plate is pulled out of the rotary seat 3, in the, the device is convenient for a user to assemble bolts and is convenient to disassemble, assemble and replace, and the inside of the device adopts a shielding type gas breaking structure, so that the direct impact of gas on the material part is reduced under the condition of not influencing the working space inside the cavity; the external improved gas breaking structure increases the gas breaking aperture, reduces the gas breaking gas flow speed and reduces the direct impact of gas on the material part.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel vacuum cavity mainly comprises an outer frame (1), a flow guide shell (2), a rotary seat (3), an insertion pipe (4), a middle rod (6), a slider (10) and a cover plate (21), and is characterized in that a vent is arranged at the bottom end of the outer frame (1), the flow guide shell (2) is fixedly arranged at the vent at the bottom end of the outer frame (1), the cover plate (21) is fixedly arranged at the top end of the flow guide shell (2), a cross groove (14) is formed by enclosing the side wall at the bottom end of the cover plate (21) and the flow guide shell (2), an end hole (18) is formed at the position, close to the side wall at the edge of the flow guide shell (2), of the end part of the cover plate (21), a first folded piece (11), a second folded piece (19) and a third folded piece (20) which are symmetrically arranged are arranged on the side wall of the cover plate (21) within the range of the cross groove (14), through holes (12) are formed, the guide shell (2) is fixedly provided with a rotary seat (3) at the middle part of the bottom, the lower part of the inner side of the rotary seat (3) is provided with a clamping groove (22), the lower part of the inner side of the rotary seat (3) is inserted with an insertion pipe (4), the upper side wall of the outer side of the insertion pipe (4) is fixedly provided with a support plate (7) which is symmetrically arranged, the support plate (7) is screwed with the rotary seat (3) through bolts, the lower part of the inner side of the insertion pipe (4) is fixedly provided with an underframe (5), the middle part of the top end of the underframe (5) is fixedly provided with a middle rod (6), the lower part of the outer side of the middle rod (6) is sleeved with a slider (10), the edge of the slider (10) is provided with a through hole (9) which penetrates from top to bottom, the outer side of the middle rod (6) is positioned at, the side wall of the bottom end of the spring plate (17) is fixedly connected with the top end of the spring (16).

2. The novel vacuum chamber as claimed in claim 1, wherein a socket (13) is fixedly mounted in the middle of the bottom end of the cover plate (21), and the top end of the middle rod (6) is inserted into the socket (13).

3. The novel vacuum chamber as claimed in claim 1, characterized in that a bushing ring (15) is arranged between the side wall of the top end of the insertion tube (4) and the inner wall of the top end of the rotation seat (3) in a crimping manner.

4. The novel vacuum chamber as claimed in claim 1, wherein a wear-resistant sleeve (8) is fixedly mounted in the middle of the inner side of the sliding block (10), and the inner wall of the wear-resistant sleeve (8) is in sliding contact with the outer wall of the middle rod (6).

5. The new vacuum chamber as claimed in claim 1, characterized in that the front and back side walls of the outer frame (1) are provided with assembling ports with flanges.