CN212287047U - Self-compensating low-friction grinding tool for small-caliber top-mounted ball valve body - Google Patents
Self-compensating low-friction grinding tool for small-caliber top-mounted ball valve body Download PDFInfo
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- CN212287047U CN212287047U CN202020688061.2U CN202020688061U CN212287047U CN 212287047 U CN212287047 U CN 212287047U CN 202020688061 U CN202020688061 U CN 202020688061U CN 212287047 U CN212287047 U CN 212287047U
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- bottom plate
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- valve body
- ball valve
- friction
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000001815 facial effect Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a frock, concretely relates to a self compensating low friction practical frock that is used for small-bore upper assembling ball valve body to grind that says so. The utility model provides a small-bore facial make-up formula ball valve body self compensating low friction grinds frock, includes the bracket component, sets up the transmission shaft on the bracket component, and the transmission shaft is through self compensating low friction transmission and inclination bottom plate fixed connection to inclination bottom plate reciprocating motion can be controlled to the transmission shaft, drives lapping plate reciprocating motion then, makes lapping plate and sealed face by the grinding between produce the grinding effect. The novel device has the following technical characteristics: 1. the structure is ingenious and the operation is easy; 2. the friction force is low in the use process of the tool; 3. the elastic element has a self-compensation function.
Description
Technical Field
The utility model relates to a frock, concretely relates to a self compensating low friction practical frock that is used for small-bore upper assembling ball valve body to grind that says so.
Background
Traditional small-bore upper assembling type ball valve body grinds frock (utility model patent No.: ZL201821392728.3), because of the friction between the part transmission in the frock itself is great, simultaneously because of reasons such as elasticity original paper fatigue after using a period of time, lead to the frock to have elasticity original paper and change frequently, use card pause, noise influence, work efficiency not high grade shortcoming.
In view of the above circumstances, how to improve grinding frock life and work efficiency on the basis of current structure becomes the first-line problem that small-bore upper assembling type ball valve body grinds frock optimization and faces.
Disclosure of Invention
The utility model aims at providing a realize overcoming traditional small-bore facial make-up formula ball valve body work efficiency is not high, noise influence, elasticity original paper change frequent shortcoming to satisfy the requirement that this type valve body part was made, is ground on line.
In order to realize the purpose, the novel device adopts the following technical scheme: the utility model provides a small-bore facial make-up formula ball valve body self compensating low friction grinds frock, includes the bracket component, sets up the transmission shaft on the bracket component, and the transmission shaft is through self compensating low friction transmission and inclination bottom plate fixed connection to inclination bottom plate reciprocating motion can be controlled to the transmission shaft, drives lapping plate reciprocating motion then, makes lapping plate and sealed face by the grinding between produce the grinding effect.
The self-compensating low-friction grinding tool for the small-caliber upper-mounted ball valve body comprises a base plate, a support and a bearing, wherein the support is arranged on the base plate and fixedly connected with the base plate, the bearing is arranged on the support, and the transmission shaft is arranged on the bearing.
The self-compensating low-friction grinding tool for the small-caliber top-mounted ball valve body comprises an eccentric cam, wherein the eccentric cam is sleeved on a transmission shaft, a mandrel is arranged below the eccentric cam, a rolling bearing used for reducing friction force is arranged between the eccentric cams, the mandrel is fixedly connected with a guide rod, the guide rod penetrates through a bottom plate downwards, the tail end of the guide rod is fixedly connected with an inclination bottom plate, the guide rod is sleeved with a part above the bottom plate through an adjusting nut, and a reciprocating spring is arranged between the adjusting nut and the bottom plate.
The small-caliber upper-mounting type ball valve body self-compensation low-friction grinding tool comprises an inclination bottom plate, a grinding plate, a limiting screw and a supporting spring, wherein the inclination bottom plate is fixedly connected with a guide rod through the pin, the grinding plate is arranged on the side face of the inclination bottom plate and connected with the inclination bottom plate through the limiting screw, the grinding plate is in clearance connection with the inclination bottom plate, the inclination bottom plate is provided with a small hole facing the grinding plate, and the supporting spring is arranged in the small hole.
The utility model provides a small-bore facial make-up formula ball valve body self compensating low friction grinds frock, wherein, the guide bar for have multistage step roughly be the rod form part of cylinder type, the guide bar from the top down, the size reduces in proper order, the top of guide bar is the cylinder type, and the diameter is the biggest, the top of guide bar is equipped with recess and pinhole, the upper end is the little cylinder type second part of diameter immediately, set up the external screw thread on this second part, it is rectangular anti-rotation direction that the cross-section is below the second part, it is rectangular location flat potential that the cross-section is in the below to prevent transduction, set up the connecting hole on the flat potential in location.
The self-compensating low-friction grinding tool for the small-caliber upper-mounting type ball valve body further comprises a shell assembly, and the part below the bottom plate is mounted in the shell assembly.
The self-compensating low-friction grinding tool for the small-caliber upper-mounting type ball valve body comprises a shell, wherein a base is arranged on the shell, and the base is fixedly connected with the shell through a stud nut.
The novel device has the following technical characteristics:
1. has smart structure and easy operation
Due to the adoption of the combined unit structure, the structure is ingenious, the whole weight is light, and the carrying by installation personnel is convenient. Meanwhile, the base connection mode and the cavity structure in the valve body are kept consistent, so that the device can be quickly installed when in use.
2. The friction force is lower in the use process of the tool
For the wearing and tearing power that the maximum use produced between the reduction part, this frock increases antifriction bearing between the biggest part cam of frictional force production and guide bar for dry friction between it changes rolling friction into, and the frictional force that very big degree reduction frock self produced.
3. The elastic element has self-compensation function
In order to overcome the factor that the work efficiency of the tool is influenced due to the fatigue of the spring, the adjusting nut is additionally arranged on the upper portion of the spring, and when the spring is fatigued, the elasticity of the spring can be recovered only by screwing the adjusting nut, so that the spring original has a self-compensation function.
Drawings
FIG. 1 is a schematic view of a self-compensating low-friction grinding tool for a small-caliber top-loading ball valve body
FIG. 2 is a schematic diagram of a self-compensating low-friction grinding tool structure A for a small-caliber top-mounted ball valve body
FIG. 3 is a B-direction schematic view of a self-compensating low-friction grinding tool structure of a small-caliber top-mounted ball valve body
FIG. 4 is a schematic view of a guide rod of a self-compensating low-friction grinding tool for a small-caliber top-loading ball valve body
FIG. 5 is a schematic view of a self-compensating low-friction grinding tool for a small-caliber top-loading ball valve body
FIG. 6 is a schematic diagram of a self-compensating low-friction grinding tool for a small-caliber top-loading ball valve body
FIG. 7 is a schematic diagram of a self-compensating low-friction grinding tool for a small-caliber top-loading ball valve body using the direction B
In the figure: 1, a transmission shaft; 2, a bearing; 3, a gasket; 4 an eccentric cam; 5, clamping springs; 6, a bracket; 7 rolling bearings; 8, a mandrel; 9, a guide sleeve; 10 a guide rod; 10-1 groove, 10-2 pin hole, 10-3 external thread, 10-4 anti-rotation guide, 10-5 positioning flat, 10-6 connecting hole and 11 adjusting nut; 12 a reciprocating spring; 13 locking the screw; 14 a base plate; a 15 bond; 16 pins; 17 a sloped floor; 18 supporting the spring; 19 a limit screw; 20 grinding plate; 21 a stud; 22 a nut; 23, installing a ball valve body; 24 base
Detailed Description
The present application is further described with reference to the accompanying drawings:
as shown in figures 1, 2, 3 the connection mode of the base 14 bottom keeps the same with the connection mode of the valve body lumen, the upper portion uses the locking screw 13 to connect the both sides connecting bracket 6, use the key 16 to connect the drive shaft 1 and the eccentric cam 4 to drive at the same time, use the rolling bearing 7 to roll and contact between eccentric cam 4 and the guide lever 10 in order to reduce the friction and noise generation in the use, increase the reciprocating spring 12 and a certain number of adjusting nuts 11 and all mount inside the bracket 6 between guide lever 10 and base 14, use the pin 16 to connect the bottom plate 17 of the slope at the lower end of the guide lever 10, use the ball head form to cooperate and connect the lapping plate 20 at both sides of the bottom plate 17 of the slope at the same time, and limit the two space of activity with the stop screw 19, and place the supporting spring 18 in order to provide.
In order to reduce the friction and noise influence in the operation process, a bearing 2 is added at the hole matching part of the bracket 6 and the transmission shaft 1, and a gasket 3 is added at the inner side contact part. A clamp spring 5 is added at the end part of the eccentric cam 4. In order to avoid the situation that the guide rod 10 is blocked in the up-and-down movement process, a guide sleeve 9 is additionally arranged on the outer side of the guide rod and is fixed on the inner side of the bracket 6 in a welding mode.
The guide bar 10 shown in fig. 4 is of an integral structure to ensure strength, and has a groove 10-1 for placing the rolling bearing 7 at the upper part thereof and a pin hole 10-2 for the mandrel 8 to connect the guide bar 10 and the rolling bearing 7 into a whole. In order to facilitate the compression adjustment of the reciprocating spring 12 by the adjusting nut 11 in the using process, the middle part of the adjusting nut is provided with an external thread 10-3. In order to prevent the guide rod 10 from rotating and ensure the inclination bottom plate 17 connected with the guide rod in the using process, the bottom of the guide rod is provided with an anti-rotation guide 10-4 and a positioning flat 10-5, the positioning flat 10-5 is provided with a connecting hole 10-6, and the connecting hole is connected with the inclination bottom plate 17 through a pin 16.
As shown in fig. 4, 5, and 6, the tool is installed at the cavity of the valve body 23, and is fastened by the stud 21 and the nut 22, after a certain amount of grinding fluid is added into the valve cavity, the transmission shaft 1 is driven by an external driving force to drive the eccentric cam 2 to rotate, the eccentric cam 2 generates a force for driving the guide rod 10 downward in the rotation process, and simultaneously, under the action of the reciprocating spring 12, the guide rod 10 drives the slope bottom plate 17 and the grinding plate 20 to reciprocate up and down in a certain range, and under the action of the supporting spring 18, the grinding action is generated between the grinding plate 20 and a ground sealing surface, so that the grinding motion is realized, if the reciprocating spring 12 is fatigued or has an excessive force in the use process, the grinding can be performed only after the nut 11 is adjusted in a certain range, and thus, the self-compensation function is realized. After finishing grinding, the tool can be taken out after the stud 21 and the nut 22 are loosened.
There are other embodiments of the present application in which various changes may be made by those skilled in the art without departing from the principles of the present application, and it is intended that such changes be within the scope of the claims appended hereto.
Claims (7)
1. The utility model provides a small-bore upper assembling type ball valve body self compensating low friction grinds frock which characterized in that: including the bracket component, set up transmission shaft (1) on the bracket component, transmission shaft (1) is through self-compensating low friction drive device and inclination bottom plate (17) fixed connection to transmission shaft (1) can control inclination bottom plate (17) reciprocating motion, drives abrasive sheet (20) reciprocating motion then, makes abrasive sheet (20) and produces the grinding effect between being ground sealed face.
2. The small-caliber top-loading type ball valve body self-compensation low-friction grinding tool of claim 1, which is characterized in that: the support assembly comprises a bottom plate (14), a support (6) which is arranged on the bottom plate (14) and fixedly connected with the bottom plate (14), and a bearing (2) arranged on the support (6), wherein the transmission shaft (1) is arranged on the bearing (2).
3. The small-caliber top-loading type ball valve body self-compensation low-friction grinding tool as claimed in claim 1 or 2, wherein: self-compensating low friction transmission device include eccentric cam (4), this eccentric cam (4) cup joints on transmission shaft (1), set up dabber (8) below eccentric cam (4), set up antifriction bearing (7) that are used for reducing frictional force between eccentric cam (4), dabber (8) below and guide bar (10) fixed connection, guide bar (10) pass bottom plate (14) downwards, and the end and the inclination bottom plate (17) fixed connection of guide bar (10), adjusting nut (11) is cup jointed with the part in bottom plate (14) top to guide bar (10), set up reciprocating spring (12) between adjusting nut (11) and bottom plate (14).
4. The small-caliber upper-mounted ball valve body self-compensation low-friction grinding tool of claim 3, characterized in that: the slope bottom plate (17) is fixedly connected with the guide rod (10) through a pin (16), a grinding plate (20) is arranged on the side face of the slope bottom plate (17), the grinding plate (20) is connected with the slope bottom plate (17) through a limiting screw (19), the grinding plate (20) is in clearance connection with the slope bottom plate (17), a small hole facing the grinding plate (20) is formed in the slope bottom plate (17), and a supporting spring (18) is arranged in the small hole.
5. The small-caliber upper-mounted ball valve body self-compensation low-friction grinding tool of claim 4, wherein: the guide rod (10) is a cylindrical rod-shaped part with multiple steps, the size of the guide rod (10) is reduced from top to bottom in sequence, the uppermost end of the guide rod (10) is cylindrical and has the largest diameter, a groove (10-1) and a pin hole (10-2) are arranged at the uppermost end of the guide rod (10), a cylindrical second part with a smaller diameter is arranged next to the uppermost end, external threads (10-3) are arranged on the second part, an anti-rotation guide (10-4) with a rectangular cross section is arranged below the second part, a positioning flat part (10-5) with a rectangular cross section is arranged below the anti-rotation guide (10-4), and a connecting hole (10-6) is arranged on the positioning flat part (10-5).
6. The small-caliber upper-mounted ball valve body self-compensation low-friction grinding tool of claim 5, wherein: also includes a housing assembly into which the portions below the base plate (14) are received.
7. The small-caliber upper-mounted ball valve body self-compensation low-friction grinding tool of claim 6, wherein: the shell assembly comprises a shell, wherein a base (24) is arranged on the shell, and the base (24) is fixedly connected with the shell through stud nuts (21 and 22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688061.2U CN212287047U (en) | 2020-04-29 | 2020-04-29 | Self-compensating low-friction grinding tool for small-caliber top-mounted ball valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688061.2U CN212287047U (en) | 2020-04-29 | 2020-04-29 | Self-compensating low-friction grinding tool for small-caliber top-mounted ball valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212287047U true CN212287047U (en) | 2021-01-05 |
Family
ID=73963761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020688061.2U Expired - Fee Related CN212287047U (en) | 2020-04-29 | 2020-04-29 | Self-compensating low-friction grinding tool for small-caliber top-mounted ball valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212287047U (en) |
-
2020
- 2020-04-29 CN CN202020688061.2U patent/CN212287047U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |