Water pump with sealed shaft end

Abstract

The utility model relates to the technical field of water pumps, in particular to a shaft end sealed water pump which comprises a water pump body, an anti-sinking assembly is arranged on the outer wall of the upper portion of the water pump body, and an anti-blocking assembly is arranged on the lower portion of the water pump body. And the bottom sinking prevention assembly comprises a threaded sleeve, the outer wall of the threaded sleeve is connected with a nut, and a movable ring is arranged below the nut. According to the water pump, through the arrangement of the bottom sinking prevention assembly, it is guaranteed that the water pump body can be continuously and stably located in water, the water pump body cannot sink to the water bottom even if the rope is loosened or broken, safety is improved, the rotating plate can be conveniently stored, and through the arrangement of the anti-blocking assembly, the filter cover is arranged at the bottom of the water pump body in a sleeved mode; the filter cover is located on the outer side of the water inlet of the water pump body and plays a role in blocking impurities, the water inlet of the water pump body is prevented from being blocked by the impurities, practicability is improved, the spring plays a buffering role, and it is guaranteed that the filter cover can abut against the lower portion of the water pump body.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field, concretely is a kind of water pump of shaft end sealing. BACKGROUND

[0002] Water pump is the mechanical of conveying liquid or making liquid pressure, and the sealing between pump shaft and pump body is generally realized shaft end sealing using the cooperation of dynamic ring and static ring of mechanical seal.

[0003] However, the existing water pump needs to be tied with a rope when being put into a well during use, and the rope will continuously rub against the well edge during the operation of the water pump. Since the water pump lacks a safety mechanism, once the rope is broken or loosened due to severe friction, the water pump will sink directly underwater and be difficult to salvage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of water pump of shaft end sealing to solve the problem of lacking safety mechanism on water pump in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water pump of shaft end sealing, comprising:

[0006] Water pump main body, the outer wall of the upper portion of the water pump main body is provided with anti-sinking bottom assembly, and the lower portion of the water pump main body is provided with anti-blocking assembly;

[0007] Anti-sinking bottom assembly, the outer wall of the screw sleeve is connected with nut, the lower portion of the nut is provided with moving ring, the outer wall of the moving ring is fixedly installed with guide rod and limiting plate, the inner side of the limiting plate is abutted with rotating plate, the inside of the upper portion of the rotating plate is penetrated with fixed rod, and the lower portion of the rotating plate is fixedly connected with air bag.

[0008] Preferably, the anti-blocking assembly includes a chassis, a screw rod penetrates through the middle of the bottom of the chassis, a filter cover is provided on the upper portion of the chassis, and the filter cover is connected with the chassis by a spring.

[0009] Preferably, the screw sleeve is fixedly connected with the water pump main body, and the nut is threadedly connected with the screw sleeve.

[0010] Preferably, the moving ring is slidingly connected with the water pump main body, and the guide rod penetrates through the inside of the water pump main body.

[0011] Preferably, the rotating plate is rotationally connected with the fixed rod, and the fixed rod is fixedly connected with the water pump main body.

[0012] Preferably, the chassis is provided with a hole corresponding to the size of the screw rod, and the screw rod is threadedly connected with the water pump main body.

[0013] Preferably, the two ends of the spring are fixedly connected with the bottom plate and the filter cover respectively.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] (1) the water pump through the setting of the anti-sinking bottom assembly, in the water pump main body is put into the water well before, can screw nut upwardly twist, the nut drives the moving ring to move upward, the moving ring drives the limit plate to move upward, the limit plate no longer abuts against the rotating plate, the water pump main body is put into the water well, under the action of buoyancy, the air bag makes the rotating plate rotate upwards around the fixed rod, the air bag floats in water, and then the water pump main body is supported, it is guaranteed that the water pump main body can be continuously and stably located in water, even if the rope is loose or broken, the water pump main body also can not sink to the water bottom, the safety is improved, and the rotating plate is conveniently stored.

[0016] (2) the utility model discloses a water pump through the setting of the anti-blocking assembly, the filter cover is covered in the bottom of the water pump main body, and the filter cover is located on the outside of the water inlet of the water pump main body, plays the role of blocking impurities, avoids that the impurities block the water inlet of the water pump main body, improves practicality, and the spring plays the role of buffering, guarantees that the filter cover can be resisted under the water pump main body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure front view schematic drawing of the utility model;

[0018] Figure 2 It is the whole structure bottom view schematic drawing of the utility model;

[0019] Figure 3 It is the state schematic drawing of the anti-sinking bottom assembly in water of the utility model;

[0020] Figure 4 It is the explosion schematic drawing of the anti-sinking bottom assembly of the utility model;

[0021] Figure 5 It is the explosion schematic drawing of the anti-blocking assembly of the utility model.

[0022] In the drawing: 01, water pump main body;02, anti-sinking bottom assembly;21, threaded sleeve;22, nut;23, moving ring;24, guide rod;25, limit plate;26, rotating plate;27, fixed rod;28, air bag;03, anti-blocking assembly;31, bottom plate;32, screw;33, filter cover;34, spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of shaft end sealed water pump, water pump main body 01, nut 22 and air bag 28 used in the application are all products that can be directly purchased in market, its principle and connecting mode are all prior art that the person skilled in the art is familiar with, so here is not repeated.

[0025] It comprises: water pump main body 01, the upper outer wall of water pump main body 01 is provided with anti-sinking bottom assembly 02, and the lower portion of water pump main body 01 is provided with anti-blocking assembly 03.

[0026] Anti-sinking bottom assembly 02 includes threaded sleeve 21, the outer wall of threaded sleeve 21 is connected with nut 22, under the driving of nut 22, moving ring 23 can only move up and down, the lower portion of nut 22 is provided with moving ring 23, the outer wall of moving ring 23 is fixedly installed with guide rod 24 and limiting plate 25, guide rod 24 plays a role of guiding and limiting, the inner side of limiting plate 25 is abutted with rotating plate 26, the upper portion of rotating plate 26 is penetrated with fixed rod 27, the lower portion of rotating plate 26 is fixedly connected with air bag 28, under the action of buoyancy, air bag 28 can make rotating plate 26 rotate upwards around fixed rod 27, air bag 28 floats in water, thereby supporting water pump main body 01.

[0027] Further, anti-blocking assembly 03 includes bottom disc 31, the middle portion of the bottom of bottom disc 31 is penetrated with screw rod 32, screw rod 32 can be screwed into water pump main body 01 through bottom disc 31, to fix the position of bottom disc 31, thereby ensuring that filter cover 33 is located outside the water inlet of water pump main body 01, the upper portion of bottom disc 31 is provided with filter cover 33, filter cover 33 plays a role of blocking impurities, to avoid impurities blocking the water inlet of water pump main body 01, filter cover 33 is connected with bottom disc 31 through spring 34, spring 34 provides elastic force, under the action of the elastic force of spring 34, spring 34 plays a role of buffering, to ensure that filter cover 33 is always located outside the water inlet of water pump main body 01.

[0028] Further, threaded sleeve 21 is fixedly connected with water pump main body 01, to ensure the firmness of the position of threaded sleeve 21, nut 22 is threadedly connected with threaded sleeve 21, when nut 22 is screwed up and down, only moving ring 23 can be driven to move up and down.

[0029] Further, the mobile ring 23 is in sliding connection with the water pump body 01, and under the driving of the nut 22, the mobile ring 23 can only move up and down, the guide rod 24 penetrates in the inside of the water pump body 01, and the guide rod 24 plays a role of guiding and limiting.

[0030] Further, the rotating plate 26 is in rotating connection with the fixed rod 27, under the action of buoyancy, the air bag 28 can make the rotating plate 26 rotate upwards around the fixed rod 27, the air bag 28 floats in water, and then the water pump body 01 is supported, the fixed rod 27 is in fixed connection with the water pump body 01, and the firmness of the position of the fixed rod 27 is ensured.

[0031] Further, the chassis 31 is provided with a hole corresponding to the size of the screw rod 32, the screw rod 32 is in threaded connection with the water pump body 01, the screw rod 32 can be screwed into the water pump body 01 through the chassis 31, the position of the chassis 31 is fixed, and then it is ensured that the filter cover 33 is located outside the water inlet of the water pump body 01, the filter cover 33 plays a role of blocking impurities, and prevents impurities from blocking the water inlet of the water pump body 01.

[0032] Further, the two ends of the spring 34 are in fixed connection with the chassis 31 and the filter cover 33 respectively, the spring 34 provides elastic force, under the action of the elastic force of the spring 34, the spring 34 plays a role of buffering, and it can be ensured that the filter cover 33 is always located outside the water inlet of the water pump body 01.

[0033] Working principle: when in use, the filter cover 33 is first sleeved at the bottom of the water pump body 01, the filter cover 33 is located outside the water inlet of the water pump body 01, the screw rod 32 is screwed into the water pump body 01 through the chassis 31, the position of the filter cover 33 is fixed, the nut 22 is screwed upwards, the nut 22 drives the mobile ring 23 to move upwards, the mobile ring 23 drives the limiting plate 25 to move upwards, the limiting plate 25 no longer abuts against the rotating plate 26, the water pump body 01 is placed into a water well, under the action of buoyancy, the air bag 28 makes the rotating plate 26 rotate upwards around the fixed rod 27, the air bag 28 floats in water, and then the water pump body 01 is supported. The above is all the working principles of the utility model.

[0034] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A shaft end sealed water pump characterized by, Include: Water pump body (01), the upper outer wall of the water pump body (01) is provided with anti-sinking bottom assembly (02), the lower part of the water pump body (01) is provided with anti-blocking assembly (03); Anti-sinking bottom assembly (02), the outer wall of the threaded sleeve (21) is connected with the nut (22), the lower part of the nut (22) is provided with the moving ring (23), the outer wall of the moving ring (23) is fixedly installed with the guide rod (24) and the limiting plate (25), the inner side of the limiting plate (25) is abutted with the rotating plate (26), the upper inside of the rotating plate (26) penetrates the fixed rod (27), the lower part of the rotating plate (26) is fixedly connected with the air bag (28).

2. A shaft end sealed water pump according to claim 1, characterized in that: The anti-blocking assembly (03) includes a chassis (31), the bottom of the chassis (31) penetrates a screw rod (32), the upper part of the chassis (31) is provided with a filter cover (33), the filter cover (33) is connected with the chassis (31) through a spring (34).

3. A shaft end sealed water pump according to claim 1, wherein: The threaded sleeve (21) is fixedly connected with the water pump body (01), and the nut (22) is threadedly connected with the threaded sleeve (21).

4. A shaft end sealed water pump according to claim 1, characterized in that: The moving ring (23) is slidingly connected with the water pump body (01), and the guide rod (24) penetrates the inside of the water pump body (01).

5. A shaft end sealed water pump according to claim 1, characterized in that: The rotating plate (26) is rotatably connected with the fixed rod (27), and the fixed rod (27) is fixedly connected with the water pump body (01).

6. A shaft end sealed water pump according to claim 2, wherein: The size of the chassis (31) corresponding to the screw rod (32) is provided with a hole, and the screw rod (32) is threadedly connected with the water pump body (01).

7. A shaft end sealed water pump as defined in claim 2 wherein: The two ends of the spring (34) are fixedly connected with the chassis (31) and the filter cover (33) respectively.

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