CN216789503U - Water seepage prevention device for screw bolt thread of water inlet taper pipe jackscrew of water pump - Google Patents
Water seepage prevention device for screw bolt thread of water inlet taper pipe jackscrew of water pump Download PDFInfo
- Publication number
- CN216789503U CN216789503U CN202220166467.3U CN202220166467U CN216789503U CN 216789503 U CN216789503 U CN 216789503U CN 202220166467 U CN202220166467 U CN 202220166467U CN 216789503 U CN216789503 U CN 216789503U
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- Prior art keywords
- taper pipe
- water
- water inlet
- bolt
- sealing sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 230000002265 prevention Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 230000036339 tooth positioning Effects 0.000 claims abstract description 8
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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Abstract
The utility model discloses a water-proof water inlet taper pipe jackscrew bolt thread water seepage device for a pump, which comprises a water inlet taper pipe jackscrew bolt and a fastening nut for propping a water inlet taper pipe and a water pump base of the pump to enhance rigidity, wherein the bolt is formed by connecting a head part and a screw rod, the fastening nut is arranged on the screw rod in a threaded manner, a spliced inner and outer thread positioning nut is positioned between the head part and the fastening nut, the outer diameter of the spliced inner and outer thread positioning nut is larger than that of the bolt head part, a sealing sleeve is sleeved outside the bolt and is of a hollow cylindrical structure with an opening at the lower end, the inner wall of the sealing sleeve is connected with the outer wall of the spliced inner and outer thread positioning nut in a threaded fit manner, and a sealing ring which is tightly contacted with the water inlet taper pipe is arranged at the bottom end of the sealing sleeve. On the basis of the original water inlet taper pipe sealing structure, the split type inner and outer tooth positioning nut, the sealing sleeve and the sealing ring are additionally arranged, so that water seepage of the screw teeth can be sealed in the sealing sleeve, equipment corrosion caused by outflow of water is prevented, and improvement of equipment management is facilitated.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a water seepage device for a water inlet taper pipe jackscrew bolt thread of a waterproof pump.
Background
The hydraulic engineering plays an important role in national economy development of China, and the water pump is basic equipment for ensuring the hydraulic engineering to fully play the role. As shown in fig. 1, a water pump base sealing structure in the prior art mainly comprises a water pump seat ring 1, a water pump base 2, a seat ring and water pump base fastening bolt 3, a seat ring and water pump base sealing round strip 4, a water stop round strip 5, a pressure ring 6, a water inlet taper pipe jackscrew bolt and fastening nut 7, and a water inlet taper pipe 8, wherein water will seep out from screw teeth of the water inlet taper pipe jackscrew bolt due to incomplete sealing between the water pump inlet taper pipe 8 and the water pump base 2, in order to prevent water seepage in actual installation, a raw material belt is usually wound or a sealant is coated outside the screw teeth of the water inlet taper pipe jackscrew bolt to prevent water seepage, but in the operation process of a pump set, vibration formed by superposition of various vibrations such as hydraulic vibration, mechanical vibration, electromagnetic vibration and the like causes loosening of a waterproof material outside a screw rod, a waterproof function is lost, and water in a runner seeps out from the screw teeth, the direction of the arrow in fig. 1 is a water seepage direction, which causes corrosion of the equipment and causes inconvenience in management.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water seepage device for a screw bolt screw thread of a water inlet taper pipe of a waterproof pump, aiming at the defects in the background art.
In order to achieve the purpose, the technical solution of the utility model is as follows:
prevent that water pump water inflow taper pipe jackscrew bolt screw tooth infiltration device withstands with the intake taper pipe jackscrew bolt and the fastening nut of reinforcing rigidity including being used for with water pump water inflow taper pipe and water pump base, the bolt comprises head and screw rod connection, its characterized in that: the threaded mounting has fastening nut on the screw rod, and the inside and outside tooth set nut of concatenation formula is located between head and the fastening nut, and the external diameter of the inside and outside tooth set nut of concatenation formula is greater than the external diameter of bolt head, and the outside cover of bolt is equipped with sealing sleeve, and sealing sleeve is lower extreme open-ended hollow cylinder structure, and sealing sleeve inner wall and the outer wall of the inside and outside tooth set nut of concatenation formula adopt screw-thread fit to be connected, and sealing sleeve's bottom is equipped with the sealing washer with water inlet taper pipe in close contact with.
Preferably, the bottom end face of the sealing sleeve is provided with a groove, and the sealing ring is embedded in the groove.
Preferably, one side of the sealing ring, which is far away from the sealing sleeve, protrudes outwards from the groove.
Preferably, the spliced inner and outer tooth positioning nut is of a hollow cylinder structure with openings at two ends and is formed by splicing a first cap body and a second cap body.
Compared with the prior art, the utility model has the following beneficial effects:
on the basis of the original water inlet taper pipe sealing structure, the split joint type inner and outer tooth positioning nut, the sealing sleeve and the sealing ring are additionally arranged, so that water seepage of screw teeth can be sealed in the sealing sleeve, equipment corrosion caused by outflow of water is prevented, and equipment management is improved; the spliced inner and outer tooth positioning nut is formed by splicing the first cap body and the second cap body, is convenient to install quickly, is convenient to use, and has strong practicability.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIG. 1 is a schematic view of a water inlet taper pipe sealing structure in the prior art;
FIG. 2 is a schematic view of a water pump base seal structure of the present invention;
FIG. 3 is a schematic structural view of the split-joint type internal and external positioning nut of the present invention;
in the figure: 1. seat ring, 2, water pump base, 3, seat ring and water pump base fastening bolt, 4, seat ring and water pump base sealing round bar, 5, stagnant water round bar, 6, clamping ring, 7, water inlet taper pipe jackscrew bolt and fastening nut, 8, water inlet taper pipe, 9, sealing washer, 10, the inside and outside tooth set nut of concatenation formula, 11, sealing sleeve, 1001, the first cap body, 1002, the second cap body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 and 2, the water seepage preventing device for the water inlet taper pipe jackscrew bolt thread tooth of the water pump comprises a water inlet taper pipe jackscrew bolt and a fastening nut 7 for jacking a water inlet taper pipe 8 and a water pump base 2 to enhance rigidity, the bolt is formed by connecting a head part and a screw rod, the fastening nut is installed on the screw rod in a threaded manner, a spliced inner and outer thread positioning nut 10 is positioned between the head part and the fastening nut, the outer diameter of the spliced inner and outer thread positioning nut is larger than that of the bolt head part, a sealing sleeve 11 is sleeved outside the bolt and is of a hollow cylinder structure with an opening at the lower end, the inner wall of the sealing sleeve is connected with the outer wall of the spliced inner and outer thread positioning nut 10 in a threaded fit manner, a sealing ring 9 in close contact with the water inlet taper pipe is arranged at the bottom end surface of the sealing sleeve, the sealing ring 9 is embedded in a groove, one side of the sealing ring, which is far away from the sealing sleeve, protrudes out of the groove, the sealing performance of the sealing ring is enhanced, and water is effectively prevented from leaking outwards. As shown in fig. 3, the spliced inner and outer positioning nuts are hollow cylinders with openings at two ends and are formed by splicing a first cap body 1001 and a second cap body 1002, so that the installation between the spliced inner and outer positioning nuts and a screw can be conveniently and rapidly completed on the premise of not disassembling the water inlet taper pipe jackscrew bolt, the trouble of disassembling the water inlet taper pipe fastening bolt is avoided, the water inlet taper pipes need to be synchronously and symmetrically installed at four corners of the water inlet taper pipe jackscrew bolt in the installation process, otherwise, water seepage or other problems can be caused by unbalanced installation stress, the spliced inner and outer positioning nuts are reasonable and ingenious in structural design, the problems can be effectively avoided, and the splicing inner and outer positioning nuts are high in practicability.
When the water pump base sealing structure is used, on the basis of an original water pump base sealing structure, the spliced inner and outer tooth positioning nut 10 is installed on a screw rod between the head of a jackscrew bolt and a fastening nut, the spliced inner and outer tooth positioning nut 10 is rotated to be tightly pressed on the fastening nut, then the sealing sleeve 11 is buckled on the water inlet taper pipe jackscrew bolt and the fastening nut 7, the inner thread of the sealing sleeve is matched with the outer thread of the spliced inner and outer tooth positioning nut 10, the fastening installation of the sealing sleeve 11 is realized, and the sealing ring 9 is tightly attached to the water inlet taper pipe 8 to avoid water seepage.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (4)
1. Prevent that water pump water inflow taper pipe jackscrew bolt screw tooth infiltration device withstands with the intake taper pipe jackscrew bolt and the fastening nut of reinforcing rigidity including being used for with water pump water inflow taper pipe and water pump base, the bolt comprises head and screw rod connection, its characterized in that: the threaded mounting has fastening nut on the screw rod, and the inside and outside tooth set nut of concatenation formula is located between head and the fastening nut, and the external diameter of the inside and outside tooth set nut of concatenation formula is greater than the external diameter of bolt head, and the outside cover of bolt is equipped with sealing sleeve, and sealing sleeve is lower extreme open-ended hollow cylinder structure, and sealing sleeve inner wall and the outer wall of the inside and outside tooth set nut of concatenation formula adopt screw-thread fit to be connected, and sealing sleeve's bottom is equipped with the sealing washer with water inlet taper pipe in close contact with.
2. The waterproof pump water inlet taper pipe jackscrew bolt thread water seepage device of claim 1, characterized in that: the bottom end face of the sealing sleeve is provided with a groove, and the sealing ring is embedded in the groove.
3. The waterproof pump water inlet taper pipe jackscrew bolt thread infiltration device of claim 2, characterized in that: one side of the sealing ring, which is far away from the sealing sleeve, protrudes out of the groove.
4. The waterproof pump water inlet taper pipe jackscrew bolt thread water seepage device of claim 1, characterized in that: the spliced inner and outer tooth positioning nut is of a hollow cylinder structure with openings at two ends and is formed by splicing a first cap body and a second cap body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166467.3U CN216789503U (en) | 2022-01-21 | 2022-01-21 | Water seepage prevention device for screw bolt thread of water inlet taper pipe jackscrew of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166467.3U CN216789503U (en) | 2022-01-21 | 2022-01-21 | Water seepage prevention device for screw bolt thread of water inlet taper pipe jackscrew of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216789503U true CN216789503U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220166467.3U Expired - Fee Related CN216789503U (en) | 2022-01-21 | 2022-01-21 | Water seepage prevention device for screw bolt thread of water inlet taper pipe jackscrew of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216789503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932270A (en) * | 2022-06-24 | 2022-08-23 | 浙江亚微精密机床有限公司 | Processing method for attaching nut block to surface of lead screw |
-
2022
- 2022-01-21 CN CN202220166467.3U patent/CN216789503U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932270A (en) * | 2022-06-24 | 2022-08-23 | 浙江亚微精密机床有限公司 | Processing method for attaching nut block to surface of lead screw |
| CN114932270B (en) * | 2022-06-24 | 2023-08-22 | 浙江亚微精密机床有限公司 | Processing method for bonding nut block and screw rod surface |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |