CN211314666U

CN211314666U - Connecting structure for submersible pump shells

Info

Publication number: CN211314666U
Application number: CN201921731044.6U
Authority: CN
Inventors: 刘清亮
Original assignee: Hebei Jinjinquan Pump Co ltd
Current assignee: Hebei Jinjinquan Pump Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-08-21
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to a immersible pump, especially a connection structure that is used for between immersible pump casing. The adoption includes the pump case body, the casing body, rust-resistant bolt, the screw thread blind hole, first lug, the second lug, first joint portion, the elasticity fixture block, second joint portion, the screw thread through-hole, the bolt head, the shank of bolt, the concave recess, the portion of turning over, the bellying, the rubber cap, a groove, the structure of sealed pad, it is more firm to have realized being connected between pump case body and the casing body, the immersible pump is arranged in for a long time under water connecting bolt also can not the corrosion function, the bolted connection pump case body that has solved simple to use and casing body cause the immersible pump to leak because reasons such as vibration and pressure under water in long-time use, connecting bolt does not have rust-resistant device, influence the problem that the immersible pump was dismantled.

Description

Connecting structure for submersible pump shells

Technical Field

The utility model relates to a immersible pump, especially a connection structure that is used for between immersible pump casing.

Background

The submersible pump is an important device for pumping water from a deep well, and when the submersible pump is used, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the connection structure of the submersible pump must ensure the sealing performance, and if the assembly is not firm, the water pump is easy to leak and enter water, and faults such as internal short circuit are caused. At present, the submersible pump in the industry, pump case and casing generally are the bolt-up, need increase a sealing washer between the two during the assembly, and the submersible pump that uses this kind of connected mode exists easily and connects not hard up hidden danger in long-time working process, and connecting bolt places the aquatic in for a long time and takes place the corrosion easily, causes the problem of difficult dismantlement when the submersible pump breaks down and need overhaul, influences follow-up operation, consequently, it is very important to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who aims at solving is: the technical insufficiency that exists to the aforesaid, a connection structure for between immersible pump casing is provided, adopt including the pump case body, the casing body, rust-resistant bolt, the screw thread blind hole, first lug, the second lug, first joint portion, the elasticity fixture block, second joint portion, the screw thread through-hole, the bolt head, the shank of bolt, the concave recess, the turnover portion, the bellying, the rubber cap, a groove, sealed structure of filling up, it is more firm to have realized being connected between pump case body and the casing body, the immersible pump is arranged in for a long time under water the function that connecting bolt can not corrode yet, the bolted connection pump case body that has solved simple to use and casing body cause the immersible pump because reasons such as vibration and pressure under water in long-time use, connecting bolt does not have rust prevention device, influence the problem that the immersible pump was dismantled after the.

The utility model provides a technical scheme that its technical problem adopted is: the anti-rust bolt comprises a pump case body, a casing body and an anti-rust bolt, wherein a threaded blind hole, a first lug and a second lug are arranged on the pump case body, a first clamping part, an elastic clamping block, a second clamping part and a threaded through hole are arranged on the casing body, the pump case body and the casing body are connected together through the anti-rust bolt, the first clamping part is arranged on the outer circumferential surface of the connecting surface of the casing body and the pump case body, the elastic clamping block is arranged in the first clamping part, a first lug matched with the first clamping part is arranged on the outer circumference of the connecting surface of the pump case body and the casing body, a second clamping part is arranged on the inner circumference of the connecting surface of the casing body and the pump case body, a second lug matched with the second clamping part is arranged on the inner circumference of the connecting surface of the pump case body and the casing body, and, Shank of bolt, concave yield portion, folding portion, bellying, rubber cap, recess, sealed pad, the shank of bolt is located the bolt head lower part, shank of bolt and bolt head handing-over department are provided with the recess, the embedding has sealed the pad with recess external diameter assorted in the recess, install the rubber cap on the bolt head, be provided with folding portion on the rubber cap, be provided with concave yield portion on the bolt head, the rubber cap bottom is provided with corresponding bellying.

Further optimize this technical scheme, elasticity pad is adhered to on elasticity fixture block surface.

Further optimize this technical scheme, first joint portion, elasticity fixture block and first lug are four respectively, first joint portion and elasticity fixture block are at casing body circumferencial direction evenly distributed, first lug is at pump case body circumferencial direction evenly distributed.

Further optimize this technical scheme, second joint portion and second lug are four respectively, second joint portion is at casing body circumferencial direction evenly distributed, the second lug is at casing body circumferencial direction evenly distributed, second joint portion distributes with first joint portion position stagger, the second lug distributes with first lug position stagger, the second lug is the cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the pump shell body and the machine shell body are connected more tightly by arranging the first lug, the second lug, the first clamping part, the elastic clamping block and the second clamping part and arranging the double-clamping fixing structure, so that the problem of water inlet in the submersible pump caused by infirm or loose connection can be prevented; 2. through setting up the bolt head, shank of bolt, concave yield portion, the structure of turning over a portion, bellying, rubber cap, recess, sealed pad, can play the guard action to the bolt head, play rust-resistant, anticorrosive effect, the difficult problem of dismantling of bolt when improving the immersible pump maintenance.

Drawings

Fig. 1 is a schematic view of a connection structure for use between housings of a submersible pump.

Fig. 2 is a structural view of a housing for a connection structure between housings of a submersible pump.

Fig. 3 is a structural view of a rust-proof bolt for a connection structure between submersible pump housings.

Fig. 4 is a front view of a rust-proof bolt for a connection structure between submersible pump housings.

In the figure, 1, a pump shell body; 2. a housing body; 3. an antirust bolt; 101. a threaded blind hole; 102. a first bump; 103. a second bump; 201. a first clamping part; 202. an elastic clamping block; 203. a second clamping part; 204. a threaded through hole; 301. a bolt head; 302. a bolt shank; 303. a recessed portion; 304. a folding part; 305. a boss portion; 306. a rubber cap; 307. a groove; 308. and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-4, the specific structure of the present invention comprises a pump case body 1, a housing body 2, and an anti-rust bolt 3, wherein the pump case body 1 is provided with a blind threaded hole 101, a first protrusion 102, and a second protrusion 103, the housing body 2 is provided with a first clamping portion 201, an elastic clamping block 202, a second clamping portion 203, and a threaded through hole 204, the pump case body 1 and the housing body 2 are connected together by the anti-rust bolt 3, the outer circumferential surface of the connection surface of the housing body 2 and the pump case body 1 is provided with the first clamping portion 201, the first clamping portion 201 is provided with the elastic clamping block 202, the outer circumferential surface of the connection surface of the pump case body 1 and the housing body 2 is provided with the first protrusion 102 matching with the first clamping portion 201, the inner circumferential surface of the connection surface of the housing body 2 and the pump case body 1 is provided with the second clamping portion 203, be provided with on the interior circumference of the connection face of pump case body 1 and casing body 2 with second joint portion 203 matched with second lug 103, rust-resistant bolt 3 includes bolt head 301, shank of bolt 302, recess 303, folded portion 304, bellying 305, rubber cap 306, recess 307, sealed pad 308, shank of bolt 302 is located bolt head 301 lower part, shank of bolt 302 and bolt head 301 handing-over department are provided with recess 307, the embedded sealed pad 308 with recess 307 external diameter assorted that has in the recess 307, install rubber cap 306 on the bolt head 301, be provided with folded portion 304 on the rubber cap 306, be provided with recess 303 on the bolt head 301, rubber cap 306 bottom is provided with corresponding bellying 305.

Preferably, an elastic pad is attached to the surface of the elastic fixture 202.

Preferably, the number of the first clamping portions 201, the number of the elastic fixture blocks 202 and the number of the first protrusions 102 are four, the first clamping portions 201 and the elastic fixture blocks 202 are uniformly distributed in the circumferential direction of the pump shell body 2, and the first protrusions 102 are uniformly distributed in the circumferential direction of the pump shell body 1.

Preferably, the number of the second clamping portions 203 and the number of the second protrusions 103 are four, the second clamping portions 203 are uniformly distributed in the circumferential direction of the pump housing body 2, the second protrusions 103 are uniformly distributed in the circumferential direction of the pump housing body 1, the positions of the second clamping portions 203 and the first clamping portions 201 are staggered, the positions of the second protrusions 103 and the first protrusions 102 are staggered, and the second protrusions 103 are cylinders.

During the use, as shown in fig. 1-4, the first bump 102 and the second bump 103 on the pump case body 1 are directly inserted into the first clamping portion 201 and the second clamping portion 203 on the casing body 2, then the pump case body 1 is rotated, the elastic clamping block 202 bounces at this time, the first bump 102 is clamped in the first clamping portion 201, the second bump 103 is clamped in the second clamping portion 203, so that the pump case body 1 and the casing body 2 are clamped together, and finally the rust-proof bolt 3 penetrates through the threaded through hole 204 and the threaded blind hole 101 to fixedly connect the pump case body 1 and the casing body 2 together. After the bolt is screwed on the part, the turnover part 304 is turned downwards to completely cover the bolt head 301, so that the function of protecting and isolating water flow is achieved, and the situation that the bolt head 301 is corroded to be difficult to disassemble is prevented.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A connection structure for between immersible pump casing which characterized in that: including pump case body (1), casing body (2), rust-resistant bolt (3), be provided with screw thread blind hole (101), first lug (102), second lug (103) on pump case body (1), be provided with first joint portion (201), elasticity fixture block (202), second joint portion (203), screw through-hole (204) on casing body (2), pump case body (1) and casing body (2) link together through rust-resistant bolt (3), be provided with first joint portion (201) on the outer periphery of the face of being connected of casing body (2) and pump case body (1), be provided with elasticity fixture block (202) in first joint portion (201), be provided with first lug (102) with first joint portion (201) matched with on the face of being connected of pump case body (1) and casing body (2), be provided with second joint portion (203) on the interior circumference of the face of being connected of casing body (2) and pump case body (1), casing body (2) is provided with second joint portion (203) ) A second bump (103) matched with the second clamping part (203) is arranged on the inner circumference of the connecting surface of the pump shell body (1) and the machine shell body (2), the antirust bolt (3) comprises a bolt head (301), a bolt rod (302), a concave part (303), a turnover part (304), a convex part (305), a rubber cap (306), a groove (307) and a sealing gasket (308), the bolt rod (302) is positioned at the lower part of the bolt head (301), a groove (307) is arranged at the joint of the bolt rod (302) and the bolt head (301), a sealing gasket (308) matched with the outer diameter of the groove (307) is embedded in the groove (307), the bolt head (301) is provided with a rubber cap (306), the rubber cap (306) is provided with a turnover part (304), the bolt head (301) is provided with a concave part (303), and the bottom of the rubber cap (306) is provided with a corresponding convex part (305).

2. The connection structure for use between submersible pump housings according to claim 1, wherein: an elastic pad is attached to the surface of the elastic fixture block (202).

3. The connection structure for use between submersible pump housings according to claim 1, wherein: the pump shell is characterized in that the number of the first clamping portions (201), the number of the elastic clamping blocks (202) and the number of the first convex blocks (102) are four, the first clamping portions (201) and the elastic clamping blocks (202) are evenly distributed in the circumferential direction of the pump shell body (2), and the first convex blocks (102) are evenly distributed in the circumferential direction of the pump shell body (1).

4. The connection structure for use between submersible pump housings according to claim 1, wherein: the pump shell is characterized in that the number of the second clamping portions (203) and the number of the second convex blocks (103) are four respectively, the second clamping portions (203) are evenly distributed in the circumferential direction of the pump shell body (2), the second convex blocks (103) are evenly distributed in the circumferential direction of the pump shell body (1), the second clamping portions (203) and the first clamping portions (201) are distributed in a staggered mode, the second convex blocks (103) and the first convex blocks (102) are distributed in a staggered mode, and the second convex blocks (103) are cylinders.