CN217950748U

CN217950748U - Elastic sliding base for pump

Info

Publication number: CN217950748U
Application number: CN202222241423.5U
Authority: CN
Inventors: 张衡; 王宏元
Original assignee: Taicang Egger Pump Co ltd
Current assignee: Taicang Egger Pump Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-02
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses an elastic sliding base for pump, which comprises a base, install a plurality of elastic supporting components on the base, elastic supporting component includes the casing, the casing has first end and second end, the first end of casing is connected with the stopper, the stopper is adjustable with the axial relative position of casing, the second end of casing still is connected with the piston, be equipped with the spring between stopper and the piston, the both ends of spring offset with stopper and piston respectively, the spring housing is established on the guide bar, wear to establish in stopper and piston at the guide bar both ends, the stopper can be followed guide bar axial displacement. The utility model discloses the normal operating of pump is guaranteed to the vibration that produces when can the compensated pump operation.

Description

Elastic sliding base for pump

Technical Field

The utility model relates to a suction pump technical field, specific is an elastic sliding base for pump.

Background

The pump is applied to multiple scenes in daily life, and the pump can produce strong vibration because the high-speed rotation of motor when the during operation to influence the normal work of pump, prior art is through the base takes precautions against earthquakes. Known pump bases consist of a base and a lower base, the base being made integral with the lower base by grouting and being a rigid base that is strong. Under the high temperature operating mode, pump and pipeline can produce thermal expansion power, and this stress can't be compensated to the rigid base, and the vibration that produces when leading to the pump operation is very big, influences the normal operating of pump. And the grouting base is heavy and difficult to move.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, reach the elimination thermal stress, weaken the purpose of vibration, the embodiment of the utility model provides an elastic sliding base for pump.

The embodiment of the application discloses elasticity sliding bottom seat for pump, its characterized in that includes:

the elastic support assembly comprises a shell, the shell is provided with a first end and a second end, the first end of the shell is connected with a limiting block, the axial relative position of the limiting block and the shell is adjustable, the second end of the shell is further connected with a piston, a spring is arranged between the limiting block and the piston, two ends of the spring respectively abut against the limiting block and the piston, the spring is sleeved on a guide rod, two ends of the guide rod penetrate through the limiting block and the piston, and the limiting block can axially move along the guide rod.

Furthermore, the device also comprises a plurality of sliding chassis, one end of each elastic supporting component relative to the base is supported on the sliding chassis, and the elastic supporting components can horizontally slide on the surface of the sliding chassis.

Furthermore, the base is provided with the locating part all around, keep 0.5mm to 1 mm's clearance between locating part and the base for inject the moving distance of base in the horizontal direction.

Furthermore, the stopper surface is equipped with the screw thread, be equipped with in the casing with screw thread matched with screw thread, the casing with the stopper forms threaded connection. The limiting block and the shell are axially adjusted relatively by rotating the limiting block.

Furthermore, still be equipped with the safety cover on the stopper, the safety cover is waterproof and dustproof, is used for protecting the screw thread of stopper.

Furthermore, the device also comprises a sliding block arranged on the guide rod, the sliding block abuts against the piston, and a radial outward bulge is arranged at the end, abutting against the spring, of the piston.

Furthermore, the connecting end of the shell and the piston is also provided with a spacing ring, the spacing ring abuts against the piston and is mutually limited by the protrusions, and the piston is prevented from falling off from the shell.

Borrow by above technical scheme, the beneficial effects of the utility model are as follows:

1. the elastic supporting component bears the weight of the whole machine and the load brought by the pipeline when the pump operates; when the pump operates, the limiting block compresses or rebounds the spring in good time along with the vertical vibration of the shell according to the load under different working conditions in the vertical direction, and the automatic compensation effect in the vertical direction is achieved.

2. The sliding block of the elastic supporting component slides on the sliding base in a limited way according to the operation condition of the pump, so that the automatic compensation effect is achieved in the horizontal direction.

3. The locating part passes through the chemical bolt and installs on lower base, keeps 0.5mm to 1 mm's clearance between the base in the horizontal direction, and the pump equipment safety when the restriction base horizontal direction goes up the range of moving, guarantees to take place unusually.

4. The spring is compressed and relaxed by adjusting the relative position of the limiting block and the shell, so that the effect of pre-adjusting the height of the inner load cone and the inertia moment of the spring according to the actual condition is realized.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of an elastic support assembly in an embodiment of the present invention.

Fig. 4 is a schematic view of a mounting structure of a position limiting member according to an embodiment of the present invention.

Reference numerals of the above figures: 1. an elastic support member; 2. a limiting member; 3. a base; 4. a sliding chassis; 11. a protective cover; 12. a limiting block; 19. a connecting member; 13. a guide bar; 14. a spring; 15. a housing; 16. a piston; 17. a slider; 18. a spacer ring; 20. a hexagon socket head cap screw; 21. a first inner snap spring; 22. a second inner snap spring; 25. a chemical bolt; a. and (7) welding parts.

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.

It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and to distinguish similar objects, and there is no order between the two, and no indication or suggestion of relative importance should be understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 and fig. 2, in the embodiment, an elastic sliding base for a pump is disclosed, which is used for compensating a thermal expansion force generated when the pump operates under a high temperature condition. Including the base 3 that is used for supporting the pump body, 3 sides of base have four elastic support subassembly 1 through welding a welding, four 1 lower extremes of elastic support subassembly have filled up respectively and have

slide chassis

4, 4 upper surfaces on slide chassis are the PTFE material, and this material has high lubricated non-adhesion and good ageing resistance, and the surface of slide chassis 4 and the contact of elastic support subassembly 1 is smooth, and the elastic support subassembly 1 horizontal slip on slide chassis 4 of being convenient for. The limiting pieces 2 are arranged around the base 3, and when the pump runs, the limiting pieces 2 can limit the moving range of the base 3. It will be appreciated that the upper surface of the sliding chassis 4 may also be of other lubricating materials such as graphite, graphite fluoride, etc.

As shown in fig. 4, a gap of 0.5mm to 1mm is maintained between the limiting member 2 and the base 3, so as to ensure safety of the pump device when an abnormality occurs.

In an alternative embodiment, the sliding chassis 4 and the limiting member 2 are fixed to the ground by chemical bolts 25.

Combine as shown in fig. 3, elastic support subassembly 1 including weld in the casing 15 of 3 sides of base, casing 15 is hollow cylinder, has first end and second end, the first end of casing 15 is connected with stopper 12, stopper 12 surface is equipped with the screw thread, be equipped with in the casing 15 with screw thread matched with screw thread, casing 15 and stopper 12 form threaded connection, can adjust its relative position with casing 15 through rotatory stopper 12.

The second end of the shell 15 is further connected with a piston 16, a spring 14 is arranged between the limiting block 12 and the piston 16, two ends of the spring 14 are respectively abutted against the limiting block 12 and the piston 16, one end of the piston 16 abutted against the spring 14 is provided with a radial outward bulge, the second end of the shell 15 is further provided with a spacing ring 18, the spacing ring 18 is fixed through a first inner snap spring 21, the end face of the spacing ring 18 is abutted against the piston 16, and the spacing ring 18 and the bulge are mutually limited to prevent the piston 16 from falling off from the shell 15.

Through the structure arrangement, the relative position of the spring 14 and the shell 15 is adjusted through the rotation limiting block 12, so that the spring 14 is compressed and loosened, and the effect of pre-adjusting the height of the inner-loaded cone and the inertia moment of the spring 14 according to actual conditions is achieved.

Spring 14 cover is established on guide bar 13, guide bar 13 is long cylinder, and both ends are worn to establish in stopper 12 and piston 16, stopper 12 is hollow cylinder, can follow guide bar 13 axial displacement. When the pump is used, the shell 15 carries the limiting block 12 to axially move along the guide rod 13 along with the vibration of the pump body, so that the spring 14 is compressed and loosened, and the effect of compensating vertical acting force is achieved.

Preferably, the spring 14 is a disc spring.

The guide bar 13 is also connected with a sliding block 17, and the sliding block 17 penetrates into the guide bar 13 and is fixed through a second inner snap spring 22. One end of the sliding block 17 is abutted against the piston 16, the other end of the sliding block 17 can slide on the sliding chassis 4 in a limited manner, and the outer diameter of the sliding block 17 is larger than that of the piston 16, so that the sliding block 17 is prevented from being pressed into the shell 15. When the pump body vibrates in use, the sliding blocks 17 of the elastic supporting component 1 can horizontally slide on the sliding chassis 4, so that the effect of compensating acting force in the horizontal direction is realized. And because the limiting parts are arranged around the base, the displacement range of the base is limited, and the safety of pump equipment when abnormality occurs is ensured.

The limiting block 12 is further provided with a connecting piece 19, the connecting piece 19 is fastened on the limiting block 12 through threads arranged on the inner surface and abuts against the shell 15, and threaded holes are formed in the surface of the connecting piece 19.

The dustproof and waterproof protective cover 11 is installed through the hexagon socket head cap screw 20 and the threaded hole of the connecting piece 19. The protective cover 11 is used for protecting the screw threads on the surface of the limiting block 12.

Through the arrangement mode, the elastic supporting component 1 composed of the spring 14, the guide rod 13, the piston 16, the shell 15 and the like bears the weight of the whole machine and the load brought by a pipeline when the pump operates; when the pump operates, the limiting block 12 compresses or rebounds the spring 14 in due time along with the vertical vibration of the shell 15 according to the load under different working conditions in the vertical direction, and the automatic compensation effect in the vertical direction is achieved. In the horizontal direction, the sliding block 17 of the elastic support assembly 1 slides on the sliding chassis 4 according to the operation condition of the pump, thereby achieving the automatic compensation function in the horizontal direction. And the limiting block 12 is in threaded connection with the shell 15, and when the equipment is initially installed, the pump outlet flange is used as a horizontal reference surface, the spring compression amount of the four spring supporting assemblies is adjusted, the level of the outlet flange is ensured, and the vibration problem caused under different working conditions is eliminated to the maximum extent.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a pump is with elasticity sliding bottom which characterized in that includes:

2. The resilient sliding base for a pump as set forth in claim 1, further comprising a plurality of sliding chassis, each of said resilient support members being supported on said sliding chassis at an end thereof opposite to said base, and said resilient support members being horizontally slidable on a surface of said sliding chassis.

3. The elastic sliding base for a pump according to claim 1, wherein said base is provided with a stopper at the periphery thereof, and a gap is provided between said stopper and said base for limiting the range of horizontal movement of said base.

4. The resilient sliding base for a pump according to claim 3, wherein a clearance of 0.5mm to 1mm is maintained between said retainer and said base.

5. The elastic sliding base for the pump according to claim 1, wherein the outer surface of the stopper is provided with a screw thread, the housing is provided with a screw thread matching with the screw thread, and the housing and the stopper form a threaded connection.

6. The resilient sliding base for a pump as set forth in claim 1, wherein said stopper is further provided with a protective cap.

7. The resilient sliding base for a pump as set forth in claim 1, wherein said guide rod is provided with a sliding block, said sliding block abutting said piston.

8. The resilient sliding base for a pump as set forth in claim 1, wherein said piston end abutting said spring is provided with a radially outward projection.

9. The resilient sliding base for a pump as set forth in claim 8, wherein a spacer ring is further provided at the end of the housing connected to the piston, the spacer ring being retained by the protrusion to prevent the piston from falling out of the housing.