CN211715380U - Mouth ring - Google Patents

Abstract

The utility model discloses an oral siphon, including the oral siphon body, the rubber tape has been cup jointed to the outer wall of oral siphon body, first recess and second recess have been seted up to the medial surface one end of rubber tape, first recess and second recess are linked together, the second recess is close to the oral siphon body, the inner wall of second recess is pasted and is had plastic film. Deposit a small amount of lubricating oil in the inside of first recess, the inside plastic film of second recess seals up the inside at first recess with the lubricating oil, press down the rubber tape hard when using, make plastic film break, a small amount of lubricating oil spills over, pull the outer wall rotation of rubber tape at the choma, a small amount of lubricating oil is paintd on the choma that the metal was made, clean the completion back, cooperation through limit structure, taut with the rubber tape, avoid the rubber tape to drop, reach the mesh to choma body protection, also maintain the choma body of metal material simultaneously, prolonged service life, high practicability.

Description

Mouth ring

Technical Field

The utility model relates to a mouth ring technical field for the pump, concrete field is a mouth ring.

Background

The mouth ring is mainly used for preventing outlet end media from flowing back to inlet end media, namely, sealing action, and simultaneously has a wear-resisting action, the direct contact damage of the impeller and the pump shell is avoided, the impeller is protected, the number of stages of the centrifugal pump mouth ring is the same as that of the mouth rings, namely, a five-stage water pump is adopted, so that five mouth rings are adopted, a first mouth ring and four mouth rings are adopted, the mouth ring gap can greatly reduce the use efficiency of the pump, the fluid pressurized by the pump can be excessively returned to an inlet from the pump outlet area along the gap between the impeller and the mouth rings, thereby reducing the use efficiency of the pump, simultaneously leading the orifice ring to be worn prematurely due to the increase of the flow rate, leading the flow rate of the pump to be reduced due to the overlarge gap of the orifice ring, in the process of daily use, the mouth ring made of metal is easily worn and damaged, the service life of the centrifugal pump is shortened, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a choma 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: the utility model provides a mouth ring, includes the mouth ring body, the rubber tape has been cup jointed to the outer wall of mouth ring body, first recess and second recess have been seted up to the medial surface one end of rubber tape, first recess and second recess are linked together, the second recess is close to the mouth ring body, the inner wall of second recess is pasted and is had plastic film, the medial surface other end of rubber tape is pasted and is had the cotton, the equal fixed mounting in lateral surface both ends of rubber tape has dog, two be equipped with limit structure between the dog.

Preferably, the limiting structure comprises a push rod, a convex block and a push rod, wherein a first through hole is formed in the surface of the stop block, a second through hole is formed in the surface of the stop block, the push rod penetrates through the inner walls of the first through hole and the second through hole, the convex block is sleeved on the outer wall of the push rod, and the push rod is fixedly assembled at one end of the push rod.

Preferably, the diameter of one end of the push rod close to the ejector rod is smaller than that of the other end of the push rod.

Preferably, the protruding block is in a circular truncated cone shape and is made of rubber.

Preferably, a rib is fixedly arranged on one side of the push rod away from the ejector rod.

Preferably, the number of the bumps is four.

Compared with the prior art, the beneficial effects of the utility model are that: an oral ring, which is protected by wrapping a rubber belt on the outer wall of an oral ring body, reduces the abrasion of the oral ring, and is characterized in that through the matching of a first groove and a second groove, a small amount of lubricating oil is stored in the first groove, the plastic film in the second groove seals the lubricating oil in the first groove, when in use, the rubber belt is pressed forcefully to break the plastic film, a small amount of lubricating oil overflows, the rubber belt is pulled to rotate on the outer wall of the mouth ring, the small amount of lubricating oil is smeared on the mouth ring made of metal, meanwhile, the cotton cloth can absorb the lubricating oil to prevent the lubricating oil from causing the rubber belt to fall off, after the wiping is finished, the rubber belt is tensioned by the matching of the limiting structure, the rubber belt is prevented from falling off, the purpose of protecting the mouth ring body is achieved, meanwhile, the mouth ring body made of metal is maintained, the service life is prolonged, and the practicability is high.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the rubber belt of the present invention;

fig. 4 is a schematic diagram of the limiting structure of the present invention.

In the figure: 1-opening ring body, 2-rubber belt, 3-first groove, 4-second groove, 5-plastic film, 6-cotton cloth, 7-stop block, 8-first through hole, 9-second through hole, 10-ejector rod, 11-lug, 12-push rod and 13-convex edge.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mouth ring, including mouthful ring body 1, the rubber tape 2 has been cup jointed to the outer wall of mouthful ring body 1, first recess 3 and second recess 4 have been seted up to the medial surface one end of rubber tape 2, first recess 3 and second recess 4 are linked together, second recess 4 is close to mouthful ring body 1, the inner wall of second recess 4 is pasted and is had plastic film 5, the medial surface other end of rubber tape 2 is pasted and is had cotton 6, the equal fixed mounting in lateral surface both ends of rubber tape 2 has dog 7, be equipped with limit structure between two dog 7.

The rubber belt 2 is sleeved on the outer wall of the mouth ring body 1 to protect the mouth ring body 1, abrasion of the mouth ring is reduced, a small amount of lubricating oil is stored in the first groove 3, the plastic film 5 is fixed on the inner wall of the second groove 4 by using glue, the lubricating oil is sealed in the first groove 3 by the plastic film 5, the rubber belt 2 is pressed forcibly when the mouth ring is used, the plastic film 5 is broken, a small amount of lubricating oil overflows, the rubber belt 2 is pulled to rotate on the outer wall of the mouth ring, the limiting structure enables two ends of the rubber belt 2 to keep a certain distance at the moment, a small amount of lubricating oil is smeared on the mouth ring body 1 made of metal, meanwhile, the cotton cloth 6 can absorb the lubricating oil to prevent the rubber belt 2 from falling off, after wiping is completed, the limiting structure is adjusted to draw two ends of the rubber belt 2 close to prevent the rubber belt 2 from falling off, the rubber belt 2 enables the lubricating oil to be always on the outer wall of the mouth, the purpose of protecting the mouth ring body 1 is achieved, and meanwhile, the mouth ring body 1 made of metal is also maintained.

Particularly, limit structure includes ejector pin 10, lug 11 and push rod 12, and first through-hole 8 has been seted up on the surface of a dog 7, and second through-hole 9 has been seted up on the surface of another dog 7, and the inner wall of first through-hole 8 and second through-hole 9 runs through ejector pin 10, and the lug 11 has been cup jointed to the outer wall of ejector pin 10, and the one end fixed assembly of ejector pin 10 has push rod 12.

The one end that is equipped with ejector pin 10 and push rod 12 lug 11 runs through second through-hole 9 earlier, in inserting first through-hole 8, promote push rod 12, make lug 11 take place to run through first through-hole 8 after the deformation, the dog 7 joint of seting up second through-hole 9 is to the outer wall of push rod 12, lug 11 can't pass back from first through-hole 8 after passing, reach spacing effect, draw the both ends of rubber tape 2 near, reach the effect of protection choma body 1.

Specifically, the diameter of the push rod 12 near one end of the push rod 10 is smaller than that of the other end.

After the push rod 12 is inserted into the second through hole 9, the stop 7 provided with the second through hole 9 can be clamped to the outer wall of the push rod 12 for limiting after the push rod 12 moves to a certain distance.

Specifically, the bump 11 is in the shape of a circular truncated cone, and the bump 11 is made of rubber.

The lug 11 sets up the shape of round platform into, and when the lug 11 was located first through-hole 8, because of self takes place elastic deformation for the rubber material, when the lug 11 passed first through-hole 8, the lug 11 bottom surface and the dog 7 of round platform shape laminated together, played fixed effect.

Specifically, the side of the push rod 12 away from the top rod 10 is fixedly provided with a rib 13.

The rib 13 can increase contact friction with the push rod 12, thereby facilitating the push of the push rod 12.

Specifically, the number of bumps 11 is four.

The design of four lugs 11 can make the rubber belt 2 realize the elasticity of four different degrees, and when the lug 11 that is close to push rod 12 passed first through- hole 8, 2 protection to the choma body 1 of rubber belt were in inseparable state, when the lug 11 of the push rod 12 of keeping away from just passed first through-hole 8, was in comparatively lax state between rubber belt 2 and the choma body 1.

The working principle is as follows: cup joint the rubber tape 2 on the outer wall of choma body 1, deposit a small amount of lubricating oil in the inside of first recess 3, 4 inner walls of second recess use glue to fix plastic film 5, plastic film 5 seals up the inside at first recess 3 with the lubricating oil, press down rubber tape 2 hard when using, make plastic film 5 break, a small amount of lubricating oil spills over, pull rubber tape 2 and rotate at the outer wall of choma, limit structure makes the both ends of rubber tape 2 remain the one end distance this moment, a small amount of lubricating oil is paintd on choma body 1 that the metal was made, cotton 6 can absorb lubricating oil simultaneously, clean the completion back, adjust limit structure, draw the both ends of rubber tape 2 near, avoid rubber tape 2 to drop.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An oral ring, comprising an oral ring body (1), characterized in that: rubber tape (2) have been cup jointed to the outer wall of choma body (1), first recess (3) and second recess (4) have been seted up to the medial surface one end of rubber tape (2), first recess (3) and second recess (4) are linked together, second recess (4) are close to choma body (1), the inner wall of second recess (4) is pasted and is had plastic film (5), the medial surface other end of rubber tape (2) is pasted and is had cotton (6), the equal fixed mounting in lateral surface both ends of rubber tape (2) has dog (7), two be equipped with limit structure between dog (7).

2. An oral ring according to claim 1, wherein: limiting structure includes ejector pin (10), lug (11) and push rod (12), one first through-hole (8) have been seted up on the surface of dog (7), another second through-hole (9) have been seted up on the surface of dog (7), ejector pin (10) have been run through to the inner wall of first through-hole (8) and second through-hole (9), lug (11) have been cup jointed to the outer wall of ejector pin (10), the one end fixed mounting of ejector pin (10) has push rod (12).

3. An oral ring according to claim 2, wherein: the diameter of one end of the push rod (12) close to the ejector rod (10) is smaller than that of the other end of the push rod.

4. An oral ring according to claim 2, wherein: the lug (11) is in a circular truncated cone shape, and the lug (11) is made of rubber.

5. An oral ring according to claim 2, wherein: and a convex rib (13) is fixedly arranged on one side of the push rod (12) far away from the top rod (10).

6. An oral ring according to claim 2, wherein: the number of the convex blocks (11) is four.

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