CN214331021U

CN214331021U - Adjustable vacuum generator

Info

Publication number: CN214331021U
Application number: CN202120272608.5U
Authority: CN
Inventors: 朴明姬
Original assignee: Tianjin Hansheng Technology Co ltd
Current assignee: Tianjin Hansheng Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-01
Anticipated expiration: 2031-01-29

Abstract

The utility model provides an adjustable vacuum generator, which comprises a vacuum generator body, wherein the air inlet end of the vacuum generator body is connected with an anti-rotation clamping component, the air inlet end of the anti-rotation clamping component is connected with an air flow adjusting device, a plurality of groups of locking components are also arranged between the anti-rotation clamping component and the vacuum generator body, and the locking components are used for locking and connecting the anti-rotation clamping component and the vacuum generator body, so that the air flow adjusting device regulates and controls the size of air flow entering the interior of the vacuum generator body; meanwhile, the anti-rotation clamping assembly is utilized to conveniently connect the vacuum generator body and the airflow adjusting device, and meanwhile, the vacuum generator body and the airflow adjusting device can be prevented from rotating relatively after being connected; utilize the closure subassembly, can be connected the locking connection of preventing changeing joint subassembly and vacuum generator body that connect the completion, make things convenient for the two to carry out the dismouting combination, and then be convenient for clear up the device is inside, have better practicality.

Description

Adjustable vacuum generator

Technical Field

The utility model relates to a vacuum generator technical field especially relates to a vacuum generator with adjustable.

Background

The vacuum generator is a novel, efficient, clean and economical vacuum component which utilizes a positive pressure air source to generate negative pressure, so that the negative pressure can be easily and conveniently obtained in a place with compressed air or a place which needs the positive and negative pressure in a pneumatic system. Therefore, the vacuum generator is widely applied to the fields of machinery, electronics, packaging, printing, plastics, robots and the like in industrial automation. For example, the application date is 2019.11.20, publication number is CN211009310U, a novel vacuum generator is also disclosed in chinese patent entitled "a vacuum generator convenient to adjust", however, the part for adjusting the air input of the vacuum generator can accumulate dust after long-time use, it needs to be cleaned and maintained inside, the above patent is not easy to disassemble and assemble the device in the actual use process, and then is not convenient to clean and overhaul the part for adjusting the air flow, so the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is the problem of solving existing among the prior art, provides a vacuum generator with adjustable.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a vacuum generator with adjustable, includes the vacuum generator body, the inlet end of vacuum generator body is connected with prevents changeing the joint subassembly, the inlet end of preventing changeing the joint subassembly is connected with air current adjusting device, prevent still being provided with multiunit closure subassembly between changeing joint subassembly and the vacuum generator body, and by the multiunit the closure subassembly carries out the closure to both and is connected.

Further, prevent changeing joint subassembly and include intubate, sleeve pipe, convex part and concave part, the end of giving vent to anger of intubate is connected on the vacuum generator body, sheathed tube inlet end is connected on air current adjusting device, and this sleeve pipe cooperation cover is located on the intubate, the convex part sets up on the outer wall of intubate, the concave part is seted up on the sheathed tube inner wall, and the structure of this concave part cooperatees with the structure of convex part.

Furthermore, the convex part is in a frustum pyramid shape with a gradually enlarged cross section from the air inlet end of the inserting pipe to the air outlet end of the inserting pipe.

Further, the locking assembly comprises a hook, a clamping ring and a handle, the hook is connected to the outer wall of the insertion tube, the clamping ring is rotatably arranged on the handle, the structure of the clamping ring is matched with that of the hook, and the handle is hinged to the outer wall of the sleeve.

Further, the air inlet end of the insertion pipe is provided with a sealing ring.

Further, the air current adjusting device includes body, regulating plate, pivot and handle, the end of giving vent to anger of body is connected in sheathed tube inlet end, the regulating plate cooperatees and sets up in the inside of body, and this regulating plate is connected with the pivot, the body is provided with the boss, the pivot rotates and sets up on boss and body, the input of pivot is located to the fixed cover of handle.

Furthermore, a locking part is arranged on the handle and used for locking and fixing the rotating shaft.

Further, the locking portion includes check lock lever, spring and circular arc board, the check lock lever articulates on the handle, the both ends of spring are connected respectively on handle and check lock lever, the boss is located to the fixed cover of circular arc board, and this circular arc board has seted up the multiunit draw-in groove along its arc edge, the structure of draw-in groove cooperatees with the structure of check lock lever output.

Further, a gas flowmeter is arranged on the pipe body.

Further, the inside of body is provided with the stabilizer, evenly seted up the multiunit air vent on the stabilizer.

The utility model has the advantages and positive effects that: the utility model has simple structure, practicality and convenience, and can regulate and control the gas flow entering the vacuum generator body by utilizing the gas flow regulating device, so that the gas flow regulating device can provide corresponding gas flow for the vacuum generator body under different working conditions; meanwhile, the convex part and the concave part which are matched with each other in the anti-rotation clamping assembly are utilized, so that the vacuum generator body and the airflow adjusting device can be conveniently connected, and can be prevented from relatively rotating after being connected, and the stability is good; utilize the closure subassembly, can lock the joint subassembly of preventing changeing of connecting the completion with the vacuum generator body, also conveniently carry out dismouting and combination to the two simultaneously, be convenient for clear up and overhaul the device inside, consequently have better practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the anti-rotation latch assembly and the closure assembly;

fig. 3 is a schematic view of a connection structure between the gas flow adjusting device, the locking portion, the gas flowmeter, and the flow stabilizing plate.

In the figure: the vacuum generator comprises a vacuum generator body 1, an anti-rotation clamping assembly 2, an insertion pipe 21, a sleeve 22, a convex portion 23, a concave portion 24, an airflow adjusting device 3, a pipe body 31, an adjusting plate 32, a rotating shaft 33, a handle 34, a locking assembly 4, a hook 41, a clamping ring 42, a handle 43, a sealing ring 5, a locking portion 6, a locking rod 61, a spring 62, an arc plate 63, a gas flowmeter 7 and a flow stabilizing plate 8.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1-3, an adjustable vacuum generator comprises a vacuum generator body 1, wherein an air inlet end of the vacuum generator body 1 is connected with an anti-rotation clamping component 2, an air inlet end of the anti-rotation clamping component 2 is connected with an air flow adjusting device 3, a plurality of groups of locking components 4 are arranged between the anti-rotation clamping component 2 and the vacuum generator body 1 and are locked and connected by the groups of locking components 4, and the air flow adjusting device 3 is adopted to adjust the air flow entering the vacuum generator body 1; simultaneously, utilize to prevent changeing joint subassembly 2, can guarantee that vacuum generator body 1 and airflow regulating device 3 are difficult for taking place relative rotation after the equipment is accomplished, stability is better, uses closure subassembly 4 in the cooperation, can carry out locking connection to preventing changeing joint subassembly 2 and vacuum generator body 1, makes things convenient for both to install and dismantle, and then is convenient for clear up and overhaul the device.

Furthermore, the anti-rotation clamping assembly 2 comprises an insertion tube 21, a sleeve 22, a convex portion 23 and a concave portion 24, the air outlet end of the insertion tube 21 is connected to the vacuum generator body 1, the air inlet end of the sleeve 22 is connected to the airflow adjusting device 3, the sleeve 22 is sleeved on the insertion tube 21 in a matching manner, the convex portion 23 is arranged on the outer wall of the insertion tube 21, the concave portion 24 is arranged on the inner wall of the sleeve 22, the structure of the concave portion 24 is matched with that of the convex portion 23, the convex portion 23 is in a frustum shape with a gradually-increased cross section from the air inlet end to the air outlet end of the insertion tube 21, when the insertion tube 21 is inserted into the sleeve 22, the convex portion 23 arranged on the outer wall of the insertion tube 21 is inserted into the concave portion 24 arranged on the inner wall of the sleeve 22 in a matching manner, and relative rotation between the airflow adjusting device 3 and the vacuum generator body 1 can be avoided through the matching connection of the convex portion 23 and the concave portion 24, the stability is better; meanwhile, by providing the convex portion 23 in a pyramid shape, the convex portion 23 is more easily inserted into the concave portion 24; the air inlet end of the insertion tube 21 is provided with a sealing ring 5, so that the insertion tube 21 and the sleeve 22 can be connected to achieve good sealing performance.

Further, the locking assembly 4 comprises a hook 41, a snap ring 42 and a handle 43, the hook 41 is connected to the outer wall of the insertion tube 21, the snap ring 42 is rotatably arranged on the handle 43, the structure of the snap ring 42 is matched with the structure of the hook 41, the handle 43 is hinged to the outer wall of the sleeve 22, when the insertion tube 21 is matched and inserted into the sleeve 22, the snap ring 42 is matched and placed into the hook 41, the handle 43 is rotated, the snap ring 42 is driven by the handle 43 to move, so that the snap ring 42 is matched and clamped on the snap ring 41, and the locking connection between the anti-rotation clamping assembly 2 and the vacuum generator body 1 is realized; similarly, the handle 43 is rotated to drive the snap ring 42 to move, so that the snap ring 42 is separated from the hook 41, and the snap ring 42 is taken down from the hook 41, so as to release the current locking state, and further, the air flow adjusting device 3 and the vacuum generator body 1 can be detached.

Further, the airflow adjusting device 3 includes a pipe body 31, an adjusting plate 32, a rotating shaft 33 and a handle 34, an air outlet end of the pipe body 31 is connected to an air inlet end of the sleeve 22, the adjusting plate 32 is disposed inside the pipe body 31 in a matching manner, and the adjusting plate 32 is connected with the rotating shaft 33, a boss is disposed on the pipe body 31, the rotating shaft 33 is rotatably disposed on the boss and the pipe body 31, the handle 34 is fixedly sleeved on an input end of the rotating shaft 33, a locking portion 6 is disposed on the handle 34, the locking portion 6 is used for locking and fixing the rotating shaft 33, the locking portion 6 includes a locking rod 61, a spring 62 and an arc plate 63, the locking rod 61 is hinged on the handle 34, two ends of the spring 62 are respectively connected to the handle 34 and the locking rod 61, the arc plate 63 is fixedly sleeved on the boss, and the arc plate 63 is provided with a plurality of clamping grooves along an arc edge thereof, structures of the clamping grooves are matched with structures of output ends of the locking rod 61, when the air flow entering the vacuum generator body 1 needs to be adjusted, the handle 34 is held by a hand, a force is applied to the locking rod 61 to enable the locking rod to rotate along the hinged part on the handle 34, and meanwhile, the spring 62 is compressed, so that the output end of the locking rod 61 is moved out of the clamping groove, and the locking state of the rotating shaft 33 is released; the handle 34 is rotated, the handle 34 drives the adjusting plate 32 to rotate in the tube 31 through the rotating shaft 33, so that the adjusting plate 32 located inside the tube 31 adjusts the air flow passing through the inside of the tube 31, when the air flow is adjusted to a proper value, the force applied to the handle 34 is removed, the locking rod 61 is driven by the elastic restoring force of the spring 62, the output end of the locking rod is clamped in the clamping groove of the arc plate 63 again, and the air flow adjusting device 3 is enabled to maintain the current working state.

Further, the gas flowmeter 7 is arranged on the pipe body 31, the flow stabilizing plate 8 is arranged inside the pipe body 31, a plurality of groups of vent holes are uniformly formed in the flow stabilizing plate 8, and the gas flowmeter 7 is arranged on the pipe body 31, so that the gas flow entering the vacuum generator body 1 can be monitored, and the gas flow regulation device 3 is favorable for regulating the gas flow; and set up the stabilizer 8 inside the body 31, the air current can be followed the air vent on the stabilizer 8 and evenly passed, prevents that the air current that enters into vacuum generator body 1 from appearing the torrent phenomenon, influences vacuum generator body 1's result of use.

In addition, between above-mentioned well convex part 23 and intubate 21, all can adopt the welded mode to be connected between regulating plate 32 and the pivot 33, and the concrete structure and the theory of operation of vacuum generator body 1 and gas flow among the above-mentioned all belong to this technical field prior art, and this application does not improve it, and the event is no longer repeated.

The utility model has simple structure, practicality and convenience, and can regulate and control the gas flow entering the vacuum generator body 1 by utilizing the gas flow regulating device 3, so that the gas flow regulating device can provide corresponding gas flow for the vacuum generator body 1 under different working conditions; meanwhile, the convex part 23 and the concave part 24 which are matched and arranged in the anti-rotation clamping component 2 are utilized, so that the vacuum generator body 1 and the airflow adjusting device 3 can be conveniently connected, and meanwhile, the relative rotation of the vacuum generator body and the airflow adjusting device after the connection can be prevented, and the stability is good; utilize closure subassembly 4, can lock the rotation-proof joint subassembly 2 of accomplishing and vacuum generator body 1 to connecting, also conveniently carry out dismouting and combination to the two simultaneously, be convenient for clear up and overhaul device inside, consequently have better practicality, the utility model discloses a concrete work flow as follows:

the anti-rotation clamping assembly 2 is utilized to install the vacuum generator body 1 and the airflow adjusting device 3, the insertion tube 21 connected with the vacuum generator body 1 is inserted into the sleeve 22 connected with the airflow adjusting device 3, in the inserting process, the convex part 23 arranged on the outer wall of the insertion tube 21 is matched and inserted into the concave part 24 arranged on the inner wall of the sleeve 22, and the two parts are matched and connected, so that the airflow adjusting device 3 and the vacuum generator body are prevented from rotating relatively; and until the sealing ring 5 arranged at the air inlet end of the insertion tube 21 is contacted with the tube wall of the sleeve 22, the insertion tube 21 and the sleeve 22 are ensured to be connected and have better sealing performance;

the clamping ring 42 in the locking component 4 is placed in the hook 41 in a matching way, the handle 43 is rotated, the handle 43 drives the clamping ring 42 to move, so that the clamping ring 42 is clamped on the clamping hook 41 in a matching way, and the locking connection between the anti-rotation clamping component 2 and the vacuum generator body 1 is realized; meanwhile, the handle 34 is held by hand, a force is applied to the locking rod 61 to enable the locking rod to rotate along the part hinged with the handle 34, the spring 62 is compressed, the output end of the locking rod 61 is moved out of the clamping groove, and the locking state of the rotating shaft 33 is released; rotate handle 34, it rotates to drive regulating plate 32 through pivot 33 by handle 34 for the regulating plate 32 that is located body 31 inside adjusts the inside airflow through body 31, when adjusting to suitable position, removes the power of applying on handle 34, utilizes the elasticity restoring force of spring 62 self to drive check lock lever 61 and resumes the original position, makes its output block locate the draw-in groove on circular arc board 63 again, and makes air current adjusting device 3 keep current operating condition.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and the present invention is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. An adjustable vacuum generator comprising a vacuum generator body (1), characterized in that: the air inlet end of vacuum generator body (1) is connected with prevents changeing joint subassembly (2), the air inlet end of preventing changeing joint subassembly (2) is connected with air current adjusting device (3), it still is provided with multiunit locking subassembly (4) to prevent changeing between joint subassembly (2) and vacuum generator body (1), and by the multiunit locking subassembly (4) carry out the closure to both and are connected.

2. An adjustable vacuum generator as defined in claim 1, wherein: prevent changeing joint subassembly (2) including intubate (21), sleeve pipe (22), convex part (23) and concave part (24), the end of giving vent to anger of intubate (21) is connected on vacuum generator body (1), the inlet end of sleeve pipe (22) is connected on air current adjusting device (3), and this sleeve pipe (22) cooperate the cover to locate on intubate (21), convex part (23) set up on the outer wall of intubate (21), concave part (24) are seted up on the inner wall of sleeve pipe (22), and the structure of this concave part (24) cooperatees with the structure of convex part (23).

3. An adjustable vacuum generator as defined in claim 2, wherein: the convex part (23) is in a frustum pyramid shape with gradually enlarged cross section from the air inlet end of the insertion pipe (21) to the air outlet end thereof.

4. An adjustable vacuum generator as defined in claim 1, wherein: the locking assembly (4) comprises a hook (41), a clamping ring (42) and a handle (43), the hook (41) is connected to the outer wall of the insertion tube (21), the clamping ring (42) is rotatably arranged on the handle (43), the structure of the clamping ring (42) is matched with that of the hook (41), and the handle (43) is hinged to the outer wall of the sleeve (22).

5. An adjustable vacuum generator as defined in claim 2, wherein: and a sealing ring (5) is arranged at the air inlet end of the insertion pipe (21).

6. An adjustable vacuum generator as defined in claim 2, wherein: airflow regulating device (3) are including body (31), regulating plate (32), pivot (33) and handle (34), the inlet end in sleeve pipe (22) is connected to the end of giving vent to anger of body (31), regulating plate (32) cooperate to set up in the inside of body (31), and this regulating plate (32) is connected with pivot (33), be provided with the boss on body (31), pivot (33) rotate to set up on boss and body (31), the input of pivot (33) is located to fixed the cover of handle (34).

7. An adjustable vacuum generator as defined in claim 6, wherein: and a locking part (6) is arranged on the handle (34), and the locking part (6) is used for locking and fixing the rotating shaft (33).

8. An adjustable vacuum generator as defined in claim 7, wherein: locking portion (6) include check lock lever (61), spring (62) and arc board (63), check lock lever (61) articulate on handle (34), the both ends of spring (62) are connected respectively on handle (34) and check lock lever (61), arc board (63) are fixed to be overlapped on locating the boss, and this arc board (63) have seted up multiunit draw-in groove along its arc edge, the structure of draw-in groove cooperatees with the structure of check lock lever (61) output.

9. An adjustable vacuum generator as defined in claim 8, wherein: and a gas flowmeter (7) is arranged on the pipe body (31).

10. An adjustable vacuum generator as defined in claim 9, wherein: the inner part of the pipe body (31) is provided with a flow stabilizing plate (8), and a plurality of groups of vent holes are uniformly formed in the flow stabilizing plate (8).