CN214698466U

CN214698466U - Double-layer water pump sealing structure for sewage treatment pump

Info

Publication number: CN214698466U
Application number: CN202120718512.7U
Authority: CN
Inventors: 叶龙祥
Original assignee: SUQIAN GREAT WALL MACHINE SEAL MANUFACTURING CO LTD
Current assignee: SUQIAN GREAT WALL MACHINE SEAL MANUFACTURING CO LTD
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-12
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a double-layer water pump sealing structure for a sewage treatment pump, which comprises a cylinder body, an outer protective ring is arranged outside the cylinder body, a positioning rod on the inner wall of the outer protective ring is mutually connected with a blocking tooth on the outer wall of the cylinder body, thereby positioning the outer protective ring, and simultaneously arranging a sealing connecting rod structure in a cavity in the cylinder in a penetrating way, wherein the sealing connecting rod structure comprises a sealing connecting rod, a limiting groove arranged at one end of the sealing connecting rod and an annular groove arranged at the other end of the sealing connecting rod, and the middle part of the sealing connecting rod is provided with a thread groove, conical springs are arranged in the thread grooves, conical rubber rings are arranged in gaps among the conical springs, a limiting disc is arranged in the annular groove and is connected with the connecting inner ring through a dustproof ring at one end of the cylinder body, thereby carry out outside protection and dustproof to barrel and sealed connecting rod, seal the sealing member through conical spring and toper rubber circle to reach driven purpose under sealed condition.

Description

Double-layer water pump sealing structure for sewage treatment pump

Technical Field

The utility model relates to a transmission sealing member equipment technical field specifically is a double-deck water pump seal structure for sewage treatment pump.

Background

The sealing element is a material or a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts in the machine equipment, and the sealing element is often matched with a transmission sealing element in the process of maintenance or use of the clean water pump, and transmission is carried out under the action of the transmission sealing element and under the matching of auxiliary sealing;

the invention discloses a sealing element for a water pump (No. CN 202833277U), which comprises a fastening ring, wherein the fastening ring is fixed by a hexagon socket screw, a first static sealing ring is arranged in a groove at the upper end of a static ring seat, a second static sealing ring is arranged in a groove at the lower end of the static ring seat, the second static sealing ring is arranged on a trapezoidal step of the static ring, a first dynamic ring and a first dynamic sealing ring are arranged in a groove of a first dynamic ring seat, a spring seat is arranged on the right side of the dynamic ring seat, a spring is arranged at the lower end of the spring seat, and a second dynamic sealing ring is arranged in a groove of a transmission sleeve. For this reason, we propose a double-layered water pump sealing structure for a sewage treatment pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck water pump seal structure for sewage treatment pump 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: a double-layer water pump sealing structure for a sewage treatment pump comprises a barrel and an outer protective ring, wherein a plurality of blocking teeth are fixedly arranged in the middle of the outer ring of the barrel, a positioning rod is fixedly arranged in the inner ring of the outer protective ring, and the positioning rod is movably connected with one side of the blocking teeth;

the improved dust-proof device is characterized in that a cavity is formed in the barrel, a sealing connecting rod penetrates through the cavity in a movable mode, an inner ring is installed and connected on one end of the sealing connecting rod outside the barrel in a rotating mode, one side of the inner ring is fixedly connected to one end of the barrel, a dust-proof ring is fixedly installed on the inner ring in a connecting mode, and the sealing connecting rod belongs to a sealing connecting rod structure.

Preferably, a limiting groove is fixedly formed in one quarter of one end of the sealing connecting rod, symmetrical limiting rods are fixedly arranged on the inner wall of one end of the barrel and movably connected with the inner wall of the limiting groove, a thread groove is fixedly formed in the middle of the sealing connecting rod, a conical spring is movably mounted in the thread groove, and an annular groove is fixedly formed in one quarter of the other end of the sealing connecting rod.

Preferably, the conical spring is located on the sealing connecting rod in the cavity, a gap is formed between the outer ring of the conical spring and the inner wall of the cavity, a conical rubber ring is fixedly installed in the gap between the conical springs, and the specification of the conical rubber ring is the same as that of the conical spring.

Preferably, a sealing ring is fixedly installed on the sealing connecting rod between the limiting groove and the thread groove, the outer ring of the sealing ring is movably connected with the inner wall of the cavity, and a limiting disc is movably installed in the annular groove.

Preferably, the dustproof ring and the connecting inner ring are disc-shaped, a clamping groove is fixedly formed in the inner ring of the dustproof ring, a clamping block is fixedly arranged on the outer ring of the connecting inner ring, the clamping block is movably clamped in the clamping groove, one end of the dustproof ring is movably connected to one end of the barrel, and the dustproof ring and the connecting inner ring are movably penetrated through the sealing connecting rod.

Preferably, a locking hole is fixedly formed in the outer ring of the outer retaining ring, the locking hole fixedly penetrates through the outer retaining ring to the top of the barrel, connecting teeth are fixedly arranged at the joint of the barrel and the inner connecting ring, and the connecting teeth are in a threaded shape.

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

1. the outer protection ring is arranged outside the barrel, the positioning rod on the inner wall of the outer protection ring is mutually connected with the blocking teeth on the outer wall of the barrel, so that the outer protection ring is positioned, meanwhile, a cavity is arranged in the barrel, a sealing connecting rod structure penetrates through the cavity, the interior of the barrel is sealed through the sealing connecting rod structure, and the dustproof ring at one end of the barrel is mutually connected with the connecting inner ring, so that the barrel and the sealing connecting rod are subjected to external protection and dustproof effects, and the sealing connecting rod cannot be damaged when the sealing element is used;

2. the sealing connecting rod structure comprises a limiting groove formed in one end of the sealing connecting rod and an annular groove formed in the other end of the sealing connecting rod, a thread groove is formed in the middle of the sealing connecting rod, a conical spring is installed in the thread groove, a conical rubber ring is arranged in a gap between the conical springs, the limiting groove is used for sealing the sealing connecting rod through the limiting rod arranged in the barrel body, the limiting groove is formed in the whole ring, so that the sealing connecting rod is not prevented from rotating, a limiting disc is installed in the annular groove, the sealing element is sealed through the conical spring and the conical rubber ring, the sealing connecting rod is not prevented from rotating and stretching in a small range in a sealing mode, and the purpose of transmission under a sealing condition is achieved.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the middle seal connecting rod of the present invention.

In the figure: 1. a barrel; 11. an outer guard ring; 110. a locking hole; 111. positioning a rod; 112. a gear tooth; 113. a connecting tooth; 12. connecting the inner ring; 121. a clamping block; 13. a dust ring; 131. a card slot; 14. a chamber; 141. a seal ring; 142. a limiting rod; 2. a sealing connecting rod; 21. a limiting groove; 22. a conical spring; 221. a thread groove; 23. a conical rubber ring; 231. an annular groove; 232. a limiting disc; 3. and (4) a sealing connecting rod structure.

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. 1-3, the present invention provides a technical solution: a double-layer water pump sealing structure for a sewage treatment pump comprises a barrel body 1 and an outer protective ring 11, wherein a plurality of blocking teeth 112 are fixedly arranged in the middle of the outer ring of the barrel body 1, a positioning rod 111 is fixedly arranged in the inner ring of the outer protective ring 11, and the positioning rod 111 is movably connected with one side of the blocking teeth 112;

set up cavity 14 in barrel 1, and the inside activity of cavity 14 runs through and is equipped with sealing connecting rod 2, rotate erection joint inner ring 12 in the one end of 1 outside sealing connecting rod 2 of barrel, and the one side fixed connection who connects inner ring 12 is served at one of barrel 1, connect fixed mounting dust ring 13 on the inner ring 12, sealing connecting rod 2 is affiliated to sealing connecting rod structure 3, seal 1 inside to the barrel through sealing connecting rod structure 2, and dust ring 13 and the inner ring 12 interconnect of being connected through 1 one end of barrel, thereby carry out outside protection and dustproof effect to barrel 1 and sealing connecting rod 2, thereby can not cause the damage to sealing connecting rod 2 when the sealing member carries out the use.

The fixed spacing groove 21 of seting up in quarter department of sealing connecting rod 2 one end, the fixed gag lever post 142 that is equipped with the symmetry of one end inner wall of barrel 1, and gag lever post 142 swing joint spacing groove 21's inner wall, the fixed thread groove 221 of seting up in sealing connecting rod 2 middle part, and movable mounting conical spring 22 in the thread groove 221, the fixed ring channel 231 of seting up in quarter department of the sealing connecting rod 2 other end, because spacing groove 21 is set up for the whole circle, so do not prevent sealing connecting rod 2 and rotate, install and spacing dish in ring channel 231, seal the sealing member through conical spring 22 and conical rubber circle 23, do not prevent sealing connecting rod 2's rotation and the small range is flexible in sealed, thereby reach driven purpose under sealed condition.

The conical spring 22 is positioned on the sealing connecting rod 2 in the cavity 14, a gap is reserved between the outer ring of the conical spring 22 and the inner wall of the cavity 14, a conical rubber ring 23 is fixedly installed in the gap between the conical springs 22, and the specification of the conical rubber ring 23 is the same as that of the conical spring 22.

The sealing connecting rod 2 between the limiting groove 21 and the thread groove 221 is fixedly provided with a sealing ring 141, the outer ring of the sealing ring 141 is movably connected with the inner wall of the cavity 14, and a limiting disc 232 is movably arranged in the annular groove 231.

The dust ring 13 and the inner connecting ring 12 are disc-shaped, a clamping groove 131 is fixedly formed in the inner ring of the dust ring 13, a clamping block 121 is fixedly arranged on the outer ring of the inner connecting ring 12, the clamping block 121 is movably clamped in the clamping groove 131, one end of the dust ring 13 is movably connected to one end of the barrel body 1, and the dust ring 13 and the inner connecting ring 12 movably penetrate through the sealing connecting rod 2.

The outer ring of the outer retaining ring 11 is fixedly provided with a locking hole 110, the locking hole 110 fixedly penetrates through the outer retaining ring 11 to the top of the cylinder body 1, the joint of the cylinder body 1 and the inner connecting ring 12 is fixedly provided with connecting teeth 113, and the connecting teeth 113 are in a thread shape.

The working principle is as follows: when the device is normally used, the outer protective ring 11 is arranged outside the cylinder 1, the positioning rod 111 on the inner wall of the outer protective ring 11 is connected with the blocking tooth 112 on the outer wall of the cylinder 1, so as to position the outer protective ring 11, meanwhile, the chamber 14 is arranged in the cylinder 1, the sealing connecting rod structure 3 is arranged in the chamber 14 in a penetrating way, the sealing connecting rod structure 3 comprises a sealing connecting rod 2, a limiting groove 21 arranged at one end of the sealing connecting rod and an annular groove 231 arranged at the other end of the sealing connecting rod, a thread groove 221 is arranged in the middle of the sealing connecting rod 2, a conical spring 22 is arranged in the thread groove 221, a conical rubber ring 23 is arranged in a gap between the conical springs 22, a limiting disc 231 is arranged in the annular groove 231, and the dust ring 13 at one end of the cylinder 1 is connected with the connecting inner ring 12, so as to perform external protection and dust prevention on the cylinder 1 and the sealing connecting rod 2, and the sealing element is sealed through the conical spring 22 and the conical rubber ring 23, the sealing connecting rod 2 is not prevented from rotating and stretching in a small range while sealing, so that the aim of transmission under the sealing condition is fulfilled.

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

1. The utility model provides a double-deck water pump seal structure for sewage treatment pump, includes barrel (1) and outer retaining ring (11), a plurality of fender teeth (112) are seted up to barrel (1) outer lane middle part is fixed, fixed locating lever (111) that are equipped with in the inner circle of outer retaining ring (11), and locating lever (111) swing joint keeps off one side of tooth (112), its characterized in that:

set up cavity (14) in barrel (1), and cavity (14) inside activity runs through and is equipped with sealed connecting rod (2), rotate erection joint inner ring (12) on the one end of barrel (1) outside sealed connecting rod (2), and connect one side fixed connection of inner ring (12) and serve in one of barrel (1), fixed mounting dust ring (13) on connecting inner ring (12), sealed connecting rod (2) are affiliated to sealed connecting rod structure (3).

2. The double-layer water pump sealing structure for the sewage treatment pump according to claim 1, wherein: the limiting groove (21) is fixedly formed in one quarter of one end of the sealing connecting rod (2), symmetrical limiting rods (142) are fixedly arranged on the inner wall of one end of the barrel body (1), the limiting rods (142) are movably connected with the inner wall of the limiting groove (21), a thread groove (221) is fixedly formed in the middle of the sealing connecting rod (2), a conical spring (22) is movably mounted in the thread groove (221), and an annular groove (231) is fixedly formed in one quarter of the other end of the sealing connecting rod (2).

3. The double-layer water pump sealing structure for the sewage treatment pump according to claim 2, wherein: the conical spring (22) is positioned on the sealing connecting rod (2) in the cavity (14), a gap is reserved between the outer ring of the conical spring (22) and the inner wall of the cavity (14), a conical rubber ring (23) is fixedly installed in the gap between the conical springs (22), and the conical rubber ring (23) and the conical spring (22) are identical in specification.

4. The double-layer water pump sealing structure for the sewage treatment pump according to claim 2, wherein: and a sealing ring (141) is fixedly arranged on the sealing connecting rod (2) between the limiting groove (21) and the thread groove (221), the outer ring of the sealing ring (141) is movably connected with the inner wall of the cavity (14), and a limiting disc (232) is movably arranged in the annular groove (231).

5. The double-layer water pump sealing structure for the sewage treatment pump according to claim 1, wherein: dust ring (13) and connection inner ring (12) become the disc, fixed draw-in groove (131) of seting up on the inner circle of dust ring (13), fixed fixture block (121) that are equipped with on the outer lane of connecting inner ring (12), draw-in groove (131) internalization joint fixture block (121), the one end swing joint of dust ring (13) is in the one end of barrel (1), dust ring (13) and connection inner ring (12) internal activity run through sealing connecting rod (2).

6. The double-layer water pump sealing structure for the sewage treatment pump according to claim 1, wherein: the outer ring of the outer protective ring (11) is fixedly provided with a locking hole (110), the locking hole (110) fixedly penetrates through the outer protective ring (11) to the top of the barrel body (1), a connecting tooth (113) is fixedly arranged at the joint of the barrel body (1) and the connecting inner ring (12), and the connecting tooth (113) is in a thread shape.