CN213655071U

CN213655071U - Vacuum pump air exhaust nozzle

Info

Publication number: CN213655071U
Application number: CN202022118879.3U
Authority: CN
Inventors: 陶峰
Original assignee: Hunan Ruifengteng Lubricating Equipment Technology Co ltd
Current assignee: Hunan Ruifengteng Lubricating Equipment Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-09
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a vacuum pump suction nozzle, which comprises a suction nozzle body and a connecting hose; the left end intercommunication of bleed nozzle body has the siphunculus, the left end of siphunculus runs through the right side middle part fixed connection of set casing, the equal vertical guide slot that has seted up that runs through in the middle part of set casing top and bottom inner wall, the inside threaded connection of guide slot has the lead screw. The utility model discloses a lead screw and guide slot threaded connection, can drive the clockwise rotation of lead screw through the handle, further clockwise pivoted lead screw can promote the briquetting and move toward the inboard in the set casing, thereby the junction of automatic compressing tightly coupling hose and siphunculus, avoid vacuum pump during operation, coupling hose takes place not hard up gas leakage with the junction of siphunculus, influence the result of use of vacuum pump, according to opposite step, anticlockwise rotation handle, can drive the briquetting and move toward the outside in the set casing, thereby make things convenient for the dismantlement of air suction nozzle body to overhaul, moreover, the steam generator is simple in structure, excellent in use effect.

Description

Vacuum pump air exhaust nozzle

Technical Field

The utility model relates to a vacuum pump part technical field specifically is a vacuum pump air exhaust mouth.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method, and in popular terms, the vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods;

the retrieval publication number is CN2433429, and discloses a novel vacuum pump air exhaust nozzle, the inner hole wall is smooth, and the resistance of an air exhaust pipeline is reduced, so that the air exhaust efficiency of the pump is improved, an air outlet bent pipe is in a V shape, and the V-shaped bent pipe is connected with a T-shaped air exhaust nozzle through a connecting piece;

in realizing the utility model discloses an in-process, the inventor finds that there is following problem at least among the prior art and does not obtain solving, 1, the intercommunication poor stability between mouth and the connecting pipe bleeds, 2, inconvenient dismantlement air extraction mouth maintain and repair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum pump air exhaust mouth has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum pump air suction nozzle comprises an air suction nozzle body and a connecting hose;

the left end of the air suction nozzle body is communicated with a through pipe, the left end of the through pipe penetrates through the middle part of the right side of the fixed shell and is fixedly connected with the middle part of the inner wall of the top end and the bottom end of the fixed shell, a guide groove is vertically formed in the middle part of the inner wall of the top end and the inner wall of the bottom end of the fixed shell in a penetrating mode, a lead screw is connected to the inner portion of the guide groove in a threaded mode, a handle is fixedly installed at the top end of the lead screw, pressing blocks are connected to the upper end and the lower end of the inner portion of the fixed shell in a sliding mode, a mounting groove is formed in;

the right end of the connecting hose penetrates through the through pipe and is movably connected with the through pipe.

As an optimal implementation mode of the utility model, the spacing groove has been seted up to the vertical symmetry in middle part of set casing front side and rear side inner wall, the middle part symmetrical mounting of briquetting front side and rear side has the stopper, spacing groove and stopper sliding connection.

As a preferred embodiment of the present invention, the inner wall of the fixing groove is bonded with a rubber pad by a strong glue, and the outer side of the rubber pad is provided with anti-slip patterns.

As a preferred embodiment of the present invention, the fixing groove is arc-shaped, and the fixing groove is matched with the through pipe in size.

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

1. the utility model relates to a vacuum pump air exhaust mouth, through lead screw and guide slot threaded connection, can drive the lead screw clockwise rotation through the handle, axis and fixed connection through the bearing are run through to the bottom of lead screw, the briquetting is sliding connection in the set casing, further clockwise pivoted lead screw can promote the briquetting toward inboard removal in the set casing, thereby the junction of automatic compressing tightly coupling hose and siphunculus, avoid the vacuum pump during operation, coupling hose takes place not hard up gas leakage with the junction of siphunculus, influence the result of use of vacuum pump, according to opposite step, anticlockwise rotation handle, can drive the briquetting and remove toward the outside in the set casing, thereby make things convenient for the dismantlement maintenance of air exhaust mouth body, moreover, the steam generator is simple in structure, excellent in use effect.

2. The utility model relates to a vacuum pump air exhaust mouth through spacing groove and stopper sliding connection, can carry on spacingly to the briquetting, improves the mobility stability of briquetting in the set casing simultaneously, avoids the briquetting to remove the in-process and takes place to incline, influences the connection leakproofness of coupling hose and siphunculus.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a vacuum pump suction nozzle of the present invention;

fig. 2 is a left side view of the pumping nozzle of the vacuum pump of the present invention.

In the figure: the suction nozzle comprises a suction nozzle body 1, a through pipe 2, a fixing shell 3, a guide groove 4, a screw rod 5, a handle 6, a pressing block 7, a mounting groove 8, a bearing 9, a fixing groove 10, a rubber pad 11, a limiting groove 12, a limiting block 13 and a connecting hose 14.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a kind of vacuum pump air exhaust nozzle, including the body 1 of the air exhaust nozzle and connecting hose 14;

the left end of the suction nozzle body 1 is communicated with a through pipe 2, the left end of the through pipe 2 penetrates through the middle part of the right side of a fixed shell 3 to be fixedly connected, the middle parts of the top end and the bottom end inner wall of the fixed shell 3 are vertically penetrated and provided with guide grooves 4, the inner threads of the guide grooves 4 are connected with lead screws 5, the top ends of the lead screws 5 are fixedly provided with handles 6, the upper end and the lower end of the inner part of the fixed shell 3 are respectively connected with a pressing block 7 in a sliding manner, the middle part of the outer side of the pressing block 7 is provided with a mounting groove 8, the inner part of the mounting groove 8 is fixedly provided with a bearing 9, the bottom ends of the lead screws 5 penetrate through the middle;

the right end of the connecting hose 14 penetrates through the through pipe 2 and is movably connected with the through pipe;

in this embodiment (as shown in fig. 1-2), through

lead screw

5 and 4 threaded connection of guide slot, can drive lead screw 5 clockwise rotation through handle 6, axis and fixed connection through bearing 9 are run through to the bottom of lead screw 5, briquetting 7 sliding connection in set casing 3, further clockwise rotation's lead screw 5 can promote briquetting 7 and move toward inboard in set casing 3, thereby the junction of automatic compressing tightly coupling hose and siphunculus, avoid the vacuum pump during operation, coupling hose 14 takes place not hard up gas leakage with the junction of siphunculus 2, influence the result of use of vacuum pump, according to opposite step, anticlockwise rotation handle 6, can drive briquetting 7 and move toward the outside in set casing 3, thereby make things convenient for the dismantlement of air pumping nozzle body 1 to overhaul, and is simple in structure and good in use effect.

In this embodiment (please refer to fig. 2), the middle portions of the inner walls of the front side and the rear side of the fixed casing 3 are vertically and symmetrically provided with limiting grooves 12, the middle portions of the front side and the rear side of the pressing block 7 are symmetrically provided with limiting blocks 13, the limiting grooves 12 are slidably connected with the limiting blocks 13, so that the pressing block 7 can be limited, the moving stability of the pressing block 7 in the fixed casing 3 is improved, and the phenomenon that the connection sealing performance of the connecting hose 14 and the through pipe 2 is affected due to the inclination of the pressing block 7 in the moving process is avoided.

In this embodiment (see fig. 2), the inner wall of the fixing groove 10 is bonded with a rubber pad 11 by strong glue, and the outer side of the rubber pad 11 is provided with anti-slip lines, so as to prevent the outer side of the connecting hose 14 from being worn when the pressing block 7 presses and fixes the connecting position between the connecting hose 14 and the through pipe 2.

In this embodiment (see fig. 2), the fixing groove 10 is arc-shaped, and the size of the fixing groove 10 matches with that of the through pipe 2, so as to improve the use effect of the pressing block 7.

It should be noted that the utility model relates to a vacuum pump air suction nozzle, which comprises an air suction nozzle body 1, a through pipe 2, a fixed shell 3, a guide groove 4, a screw rod 5, a handle 6, a press block 7, a mounting groove 8, a bearing 9, a fixed groove 10, a rubber pad 11, a limit groove 12, a limit block 13 and a connecting hose 14, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components are all known by technicians through technical manuals or conventional experimental methods, the screw rod 5 is in threaded connection with the guide groove 4 during working, the screw rod 5 can be driven by the handle 6 to rotate clockwise, the bottom end of the screw rod 5 penetrates through a middle shaft of the bearing 9 and is fixedly connected, the press block 7 is in sliding connection in the fixed shell 3, the screw rod 5 which further rotates clockwise can push the press block 7 to move inwards in the fixed shell 3, thereby automatically compressing the connection between the connecting, avoid the vacuum pump during operation, the junction of coupling hose 14 and siphunculus 2 takes place not hard up gas leakage, influences the result of use of vacuum pump, according to opposite step, anticlockwise rotation handle 6 can drive briquetting 7 and remove toward the outside in set casing 3 to make things convenient for the dismantlement of air suction nozzle body 1 to overhaul simple structure, excellent in use effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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 vacuum pump air suction nozzle is characterized by comprising an air suction nozzle body (1) and a connecting hose (14);

the left end of the air suction nozzle body (1) is communicated with a through pipe (2), the left end of the through pipe (2) penetrates through the middle part of the right side of a fixed shell (3) to be fixedly connected, the middle parts of the inner walls of the top end and the bottom end of the fixed shell (3) are vertically penetrated and provided with guide grooves (4), the inner threads of the guide grooves (4) are connected with a lead screw (5), the top end of the lead screw (5) is fixedly provided with a handle (6), the upper end and the lower end of the inner part of the fixed shell (3) are connected with a pressing block (7) in a sliding mode, the middle part of the outer side of the pressing block (7) is provided with a mounting groove (8), a bearing (9) is fixedly mounted inside the mounting groove (8), the bottom end of the lead screw (5) penetrates through the middle shaft of the bearing;

the right end of the connecting hose (14) penetrates through the through pipe (2) and is movably connected with the through pipe.

2. A vacuum pump suction tap according to claim 1, characterized in that: spacing groove (12) have been seted up to the vertical symmetry in middle part of set casing (3) front side and rear side inner wall, stopper (13) are installed to the middle part symmetry of briquetting (7) front side and rear side, spacing groove (12) and stopper (13) sliding connection.

3. A vacuum pump suction tap according to claim 1, characterized in that: the inner wall of the fixing groove (10) is bonded with a rubber pad (11) through strong glue, and anti-skid grains are arranged on the outer side of the rubber pad (11).

4. A vacuum pump suction tap according to claim 1, characterized in that: the fixing groove (10) is arc-shaped, and the size of the fixing groove (10) is matched with that of the through pipe (2).