CN204115796U - Wear-resistant water meter centre - Google Patents
Wear-resistant water meter centre Download PDFInfo
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- CN204115796U CN204115796U CN201420531269.8U CN201420531269U CN204115796U CN 204115796 U CN204115796 U CN 204115796U CN 201420531269 U CN201420531269 U CN 201420531269U CN 204115796 U CN204115796 U CN 204115796U
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- ball
- water meter
- wear
- mounting blocks
- circumference
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Abstract
The utility model discloses a kind of wear-resistant water meter centre, solve the long-time and impeller axle of water meter centre circumference to wear and tear the problem causing precision to reduce, its drip irrigation device comprises top body, described top body circumference one is protruded and is provided with mounting blocks, described mounting blocks has two along top body shaft at least to spaced apart, described mounting blocks circumference offers mounting groove, described mounting groove internal fixtion is connected with ball, described ball protrudes mounting blocks surface, reach the friction force considerably reducing top circumference and impeller axle, improve water meter precision and the effect in top serviceable life.
Description
Technical field
The utility model relates to a kind of water meter centre, and more particularly, it relates to one can reduce top wearing and tearing, improves the wear-resistant water meter centre of water meter precision.
Background technology
Water meter centre is fixed on impeller box center, as the central shaft of vane rotary, for supporting impeller, makes impeller can allow the auxiliary member of center rotating.
At present, water meter centre on market is due to long use, the outside surface of water meter centre and the wearing and tearing of impeller axle all comparatively serious, the wearing and tearing of water meter centre outside surface can make to produce space between water meter centre and impeller axle, cause wheel rotation unstable, the transmission between impeller and dial plate will be affected like this, be that dial plate occurs rotating slack-off phenomenon of even not rotating, have influence on the precision of water meter.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of can reduce top wearing and tearing, improves the wear-resistant water meter centre of water meter precision.
For achieving the above object, the utility model provides following technical scheme: a kind of wear-resistant water meter centre, comprise top body, described top body circumference one is protruded and is provided with mounting blocks, described mounting blocks has two along top body shaft at least to spaced apart, described mounting blocks circumference offers mounting groove, and described mounting groove internal fixtion is connected with ball, and described ball protrudes mounting blocks surface.
By adopting technique scheme, being circumferentially with ball and can changing circumferential to impeller axle originally and thimble sliding friction into rolling friction of top body, if sliding friction, the situation of wearing and tearing can be more much larger than rolling friction, at least two mounting blocks add top lateral wall and impeller and to be coupling tactile area, if the words of a mounting blocks, due to ball be embedded in mounting groove, the sidewall of impeller axle and the ball of top circumference only have the contact point of a circle, easily cause rolling of impeller axle, such impeller axle just can not carry out stable rotation, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, top circumference is to ensure the stability that impeller axle rotates centered by top, impeller axle disalignment is there will not be to rock the phenomenon causing wheel rotation instability, to guarantee the degree of accuracy of water meter, the circumference of mounting blocks offers some mounting grooves be embedded for ball, such ball can be embedded in mounting groove, prevent ball from rocking landing, strengthen the stability of ball at mounting blocks, ensure the stability that ball and impeller axle madial wall roll, thus make wheel rotation more stable, transmission between impeller box dial plate also will be more stable, improve the degree of accuracy that hand of dial rotates, thus improve the degree of accuracy of water meter measurement, also improve top and whole service life that is impeller simultaneously.
The utility model is set to further: described ball axially runs through dwang, and described dwang and ball are rotationally connected, and described mounting groove two side all offers hole slot, and described dwang is connected with hole slot.
By adopting technique scheme, dwang enters hole slot through after the through hole of ball in grafting, the hole slot of end face is in order to for being embedded dwang, dwang can be fixed, prevent the double swerve of dwang from causing connecting instability, ball is caused to occur offseting the phenomenon of even landing, impeller axle will be made like this and top between rolling generation circumference depart from, rock, cause the rotation that impeller cannot be stable, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, ball is articulated with in mounting groove by dwang, ball is rotary rolling centered by dwang, can make there is certain space between ball and mounting groove, reduce the contact area of ball and mounting groove, thus reduce the friction force of ball rotation, ball is rotated more smooth and easy, reduce wearing and tearing.
The utility model is set to further: described ball axial two ends one is protruded and is provided with turning block, described mounting groove two side offers and is embedded groove, described turning block be embedded groove and be rotatably assorted.
By adopting technique scheme, ball is realized the fixing of ball by turning block to being located to be embedded in groove and rotating, structure is simple, machine-shaping is easy, turning block on ball is fixed with being embedded groove, the connection of ball can be made more firm, prevent the double swerve of turning block from causing connecting instability, ball is caused to occur offseting the phenomenon of even landing, impeller axle will be made like this and top between rolling generation circumference depart from, rock, cause the rotation that impeller cannot be stable, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, ball is rotationally connected with in mounting groove by turning block, ball is rotary rolling centered by central shaft, can make there is certain space between ball and mounting groove, reduce the contact area of ball and mounting groove, thus reduce the friction force of ball rotation, ball is rotated more smooth and easy, reduce wearing and tearing.
The utility model is set to further: the end opens of described top body has the spherical groove be embedded for ball, and described spherical groove and ball are rotatably assorted.
By adopting technique scheme, ball is embedded at the rolling friction that top tip can be changed into ball in spherical groove so originally, greatly reduce frictional dissipation, top serviceable life is improved greatly, also the rotation of impeller can be made more stable, thus strengthen impeller and the stability of table transmission, improve the degree of accuracy that hand of dial rotates, thus improve the degree of accuracy of water meter measurement.
The utility model is set to further: the surface of described spherical groove scribbles lubricating layer.
By adopting technique scheme, the surface of spherical groove scribbles lubricating layer, the rolling friction of ball in spherical groove can be made to reduce, roll more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the positional structure schematic diagram of the wear-resistant water meter centre of the utility model;
Fig. 2 is the structural representation that the top body of the first embodiment of the wear-resistant water meter centre of the utility model coordinates with the installation of ball;
Fig. 3 is the A portion enlarged drawing of Fig. 2;
Fig. 4 is the B portion enlarged drawing of Fig. 2;
Fig. 5 is the structural representation that the top body of the utility model wear-resistant water meter centre the second embodiment coordinates with the installation of ball;
Fig. 6 is the C portion enlarged drawing of Fig. 5.
Reference numeral: 1, top body; 2, mounting blocks; 21, mounting groove; 22, ball; 221, through hole; 23, dwang; 24, hole slot; 25, groove is embedded; 26, turning block; 3, impeller axle; 4, impeller box; 5, spherical groove.
Embodiment
Referring to figs. 1 through Fig. 6, the wear-resistant water meter centre embodiment of the utility model is described further.
A kind of wear-resistant water meter centre, comprise top body 1, top body 1 is circumferentially with ball 22, being circumferentially with ball 22 and can changing impeller axle 3 originally and the sliding friction of thimble circumference into rolling friction of top body 1, if sliding friction, the situation of wearing and tearing can be more much larger than rolling friction, easily cause rolling of impeller axle 3, such impeller axle 3 just can not carry out stable rotation, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, after changing rolling friction into, greatly reduce the friction force of impeller axle 3 and thimble circumference, thus significantly can reduce the wearing and tearing of impeller axle 3 and thimble contact friction part, prevent off-axis to rocking violent phenomenon, ensure that impeller keeps centrally direction of principal axis to rotate as far as possible when rotating, thus ensure the stability of wheel rotation, to guarantee the degree of accuracy of water meter.
Top body 1 is wholely set the mounting blocks 2 of at least two vibrational power flow in the form of a ring, the circumference of mounting blocks 2 offers some mounting grooves 21 be embedded for ball 22, at least two mounting grooves 21 add the area that top circumference contacts with impeller axle 3, if the words of a mounting groove 21, due to ball 22 be embedded in mounting groove 21, the sidewall of impeller axle 3 and the ball 22 of top circumference only have the contact point of a circle, easily cause rolling of impeller axle 3, such impeller axle 3 just can not carry out stable rotation, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, top circumference is to ensure the stability that impeller axle 3 rotates centered by top, impeller axle 3 disalignment is there will not be to rock the phenomenon causing wheel rotation instability, to guarantee the degree of accuracy of water meter, the circumference of mounting blocks 2 offers some mounting grooves 21 be embedded for ball 22, such ball 22 can be embedded in mounting groove 21, prevent ball 22 from rocking landing, strengthen the stability of ball 22 at mounting blocks 2, ensure the stability that ball 22 and impeller axle 3 madial wall roll, thus make wheel rotation more stable, transmission between impeller box 4 dial plate also will be more stable, improve the degree of accuracy that hand of dial rotates, thus improve the degree of accuracy of water meter measurement, also improve top and whole service life that is impeller simultaneously.
Mounting groove 21 offers hole slot 24 relative to the sidewall of top body 1 axial end, the central axis direction of ball 22 offers through hole 221, through hole 221 is equipped with dwang 23, dwang 23 is embedded at hole slot 24, dwang 23 enters hole slot 24 through after the through hole 221 of ball 22 in grafting, the hole slot 24 of end face is in order to for being embedded dwang 23, dwang 23 can be fixed, prevent the double swerve of dwang 23 from causing connecting instability, ball 22 is caused to occur offseting the phenomenon of even landing, impeller axle 3 will be made like this and top between rolling generation circumference depart from, rock, cause the rotation that impeller cannot be stable, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, ball 22 is articulated with in mounting groove 21 by dwang 23, ball 22 is rotary rolling centered by dwang 23, can make there is certain space between ball 22 and mounting groove 21, reduce the contact area of ball 22 and mounting groove 21, thus reduce the friction force of ball 22 rotation, ball 22 is rotated more smooth and easy, reduce wearing and tearing.
The tapered vibrational power flow in top one end and offer the spherical groove 5 be embedded for ball 22, ball 22 is embedded at the rolling friction that top tip can be changed into ball 22 in spherical groove 5 so originally, greatly reduce frictional dissipation, top serviceable life is improved greatly, also the rotation of impeller can be made more stable, thus strengthen impeller and the stability of table transmission, improve the degree of accuracy that hand of dial rotates, thus improve the degree of accuracy of water meter measurement.
Shown in Fig. 6 is the another kind of embodiment that ball is connected with mounting groove, this embodiment is connected substantially identical with the ball of the first embodiment with mounting groove, difference is that ball 22 axial two ends one is protruded and is provided with turning block, mounting groove 21 two side offers and is embedded groove 25, turning block 26 is embedded in groove 25 to being located at, ball 22 is realized the fixing of ball 22 by turning block 26 to being located to be embedded in groove 25 and rotating, structure is simple, machine-shaping is easy, turning block 26 on ball is fixed with being embedded groove 25, the connection of ball 22 can be made more firm, prevent the double swerve of turning block 26 from causing connecting instability, ball is caused to occur offseting the phenomenon of even landing, impeller axle 3 will be made like this and top between rolling generation circumference depart from, rock, cause the rotation that impeller cannot be stable, thus make the transmission of impeller and dial plate unstable, even occurring cannot the phenomenon of transmission, the pointer of such dial plate just there will be the slack-off phenomenon of even not rotating of rotation, greatly reduce the precision of water meter measurement, ball 22 is rotationally connected with in mounting groove 21 by turning block 26, ball 22 rotary rolling centered by central shaft, can make there is certain space between ball 22 and mounting groove 21, reduce the contact area of ball 22 and mounting groove 21, thus reduce the friction force of ball 22 rotation, ball 22 is rotated more smooth and easy, reduce wearing and tearing.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a wear-resistant water meter centre, comprise top body, it is characterized in that: described top body circumference one is protruded and is provided with mounting blocks, described mounting blocks has two along top body shaft at least to spaced apart, described mounting blocks circumference offers mounting groove, be rotatably connected to ball in described mounting groove, described ball protrudes mounting blocks surface.
2. wear-resistant water meter centre according to claim 1, is characterized in that: described ball axially runs through dwang, and described dwang and ball are rotationally connected, and described mounting groove two side is opened and is equipped with hole slot, described dwang is connected with hole slot.
3. wear-resistant water meter centre according to claim 1, is characterized in that: described ball axial two ends one is protruded and is provided with turning block, described mounting groove two side offers and is embedded groove, described turning block be embedded groove and be rotatably assorted.
4. the wear-resistant water meter centre according to claim 1,2 or 3, is characterized in that: the end opens of described top body has the spherical groove be embedded for ball, and described spherical groove and ball are rotatably assorted.
5. wear-resistant water meter centre according to claim 4, is characterized in that: the surface of described spherical groove scribbles lubricating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531269.8U CN204115796U (en) | 2014-09-16 | 2014-09-16 | Wear-resistant water meter centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531269.8U CN204115796U (en) | 2014-09-16 | 2014-09-16 | Wear-resistant water meter centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115796U true CN204115796U (en) | 2015-01-21 |
Family
ID=52333095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531269.8U Expired - Fee Related CN204115796U (en) | 2014-09-16 | 2014-09-16 | Wear-resistant water meter centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442005A (en) * | 2017-09-11 | 2017-12-08 | 天津企宏腾科技有限责任公司 | Sewage-treating agent mixing device and application method |
| CN107490421A (en) * | 2017-07-19 | 2017-12-19 | 甘肃银光化学工业集团有限公司 | A kind of device for being used to clamp capsule instrument |
-
2014
- 2014-09-16 CN CN201420531269.8U patent/CN204115796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490421A (en) * | 2017-07-19 | 2017-12-19 | 甘肃银光化学工业集团有限公司 | A kind of device for being used to clamp capsule instrument |
| CN107442005A (en) * | 2017-09-11 | 2017-12-08 | 天津企宏腾科技有限责任公司 | Sewage-treating agent mixing device and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20160916 |