CN214946016U - Power output device on gate valve seat grinding machine - Google Patents
Power output device on gate valve seat grinding machine Download PDFInfo
- Publication number
- CN214946016U CN214946016U CN202121001765.9U CN202121001765U CN214946016U CN 214946016 U CN214946016 U CN 214946016U CN 202121001765 U CN202121001765 U CN 202121001765U CN 214946016 U CN214946016 U CN 214946016U
- Authority
- CN
- China
- Prior art keywords
- buffer
- buffer block
- pressing sleeve
- gate valve
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A power output device on a gate valve seat grinding machine comprises a motor (20), an extension bar (21), a universal joint (22) and a buffer connector (23), wherein the buffer connector (23) comprises a buffer body (10), a spring (11), a buffer block (12) and a pressing sleeve (13), the buffer body (10) is cylindrical, a buffer block fixing groove (14) is formed in the center of the bottom of the buffer body (10), an external thread is arranged on the outer wall of the bottom of the buffer body (10), the spring (11) is located in the buffer block fixing groove (14), a grinding disc transmission bulge (15) is arranged at the bottom of the buffer block (12), and the buffer block (12) is located in the buffer block fixing groove (14); the advantages are that: the buffer device eliminates axial runout in the grinding process and reduces the working vibration of the handheld variable frequency motor; the universal joint increases the operation grinding force application angle and reduces the operation difficulty.
Description
Technical Field
The utility model relates to a sealed face processing field of gate valve disk seat, concretely relates to power take-off on gate valve disk seat grinding machine.
Background
At present, a gate valve is widely applied to the fields of petroleum, natural gas, electric power, water supply and drainage and the like as a conventional general valve, the machining efficiency of valve parts determines the production efficiency of the valve, the grinding of a valve seat sealing surface is of great importance, and a power output device of a gate valve seat grinding machine on the market lacks a buffer connector, so that the defects of high failure rate, complex maintenance, low matching degree and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above insufficiency and provides a power take-off device on the gate valve seat grinding machine.
The utility model comprises an electric motor, an extension bar, a universal joint and a buffer connector,
the buffer connector comprises a buffer body, a spring, a buffer block and a pressing sleeve,
the buffer body is cylindrical, a buffer block fixing groove is formed in the center of the bottom of the buffer body, external threads are arranged on the outer wall of the bottom of the buffer body, the spring is located in the buffer block fixing groove, a grinding disc transmission protrusion is arranged at the bottom of the buffer block, the buffer block is located in the buffer block fixing groove, the top of the pressing sleeve is open, a through hole is formed in the center of the pressing sleeve, internal threads are formed in the inner wall of the pressing sleeve, the pressing sleeve is installed at the bottom of the buffer body in a threaded mode, the buffer block and the spring are pressed in the buffer block fixing groove through the pressing sleeve, and the grinding disc transmission protrusion extends out of the through hole of the pressing sleeve;
the power output shaft of motor and the one end fixed connection of extension bar, the other end of extension bar passes through the top fixed connection of universal joint and buffering body.
The buffer block fixing groove is a hexagonal fixing groove, and the buffer block is a hexagonal prism-shaped buffer block.
The section of the transmission bulge of the grinding disc is hexagonal.
A pair of pressing grooves are symmetrically distributed on the outer wall of the bottom of the pressing sleeve.
The diameter of the through hole of the pressing sleeve is larger than the outer diameter of the transmission bulge of the grinding disc.
One end of the universal joint is in key connection with the end part of the lengthening rod, and the other end of the universal joint is in key connection with the top of the buffering body.
The motor is a hand-held variable frequency motor.
The utility model has the advantages that: the buffer device eliminates axial runout in the grinding process and reduces the working vibration of the handheld variable frequency motor; the universal joint increases the operation grinding force application angle and reduces the operation difficulty.
Description of the drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the buffer connector of the present invention.
Fig. 3 is an exploded view of the buffer connector of the present invention.
Fig. 4 is a schematic structural diagram of the buffer connector of the present invention.
Fig. 5 is a schematic structural view of the gate valve seat grinder of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance. In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the drawings, the utility model comprises an electric motor 20, an extension bar 21, a universal joint 22 and a buffer connector 23,
the buffer connector 23 comprises a buffer body 10, a spring 11, a buffer block 12 and a pressing sleeve 13,
the buffer body 10 is cylindrical, a buffer block fixing groove 14 is formed in the center of the bottom of the buffer body 10, external threads are arranged on the outer wall of the bottom of the buffer body 10, the spring 11 is located in the buffer block fixing groove 14, a grinding disc transmission bulge 15 is arranged at the bottom of the buffer block 12, the buffer block 12 is located in the buffer block fixing groove 14, the top of the pressing sleeve 13 is open, a through hole is formed in the center of the pressing sleeve 13, internal threads are arranged on the inner wall of the pressing sleeve 13, the pressing sleeve 13 is installed at the bottom of the buffer body 10 in a threaded mode, the buffer block 12 and the spring 11 are pressed in the buffer block fixing groove 14 through the pressing sleeve 13, and the grinding disc transmission bulge 15 extends out of the through hole of the pressing sleeve 13;
the power output shaft of the motor 20 is fixedly connected with one end of the extension bar 21, and the other end of the extension bar 21 is fixedly connected with the top of the buffer body 10 through the universal joint 22.
The buffer block fixing groove 14 is a hexagonal fixing groove, and the buffer block 12 is a hexagonal prism-shaped buffer block.
The cross-section of the grinding disc drive protrusions 15 is hexagonal.
A pair of pressing grooves 16 are symmetrically distributed on the outer wall of the bottom of the pressing sleeve 13.
The diameter of the through hole of the pressing sleeve 13 is larger than the outer diameter of the transmission bulge 15 of the grinding disc.
One end of the universal joint 22 is connected with the end key of the extension bar 21, and the other end of the universal joint 22 is connected with the top key of the buffer body 10.
The motor 20 is a hand-held variable frequency motor.
The working mode and principle are as follows: the staff grasps a pair of handrails of the hand-held variable frequency motor, the grinding disc transmission bulge 15 of the buffer connector 23 is inserted into the transmission connection groove at the top of the grinding disc in the gate valve, and the hand-held variable frequency motor is started to drive the grinding disc to grind the sealing surface of the gate valve through the buffer connector 23. When polishing, the buffer block 12 moves up and down in the buffer block fixing groove 14, and the buffer block 12 is buffered through the spring 11. The pressing sleeve 13 is installed by pressing the fingers of the worker on the pressing groove 16 and rotatably installing the pressing sleeve 13, so that the pressing sleeve 13 is conveniently installed in a twisting mode. Buffer block fixed slot 14 is the hexagonal fixed slot, and buffer block 12 is hexagonal prism shape buffer block, can prevent buffer block 12 at buffer block fixed slot 14 internal rotation.
Claims (7)
1. A power output device on a gate valve seat grinding machine is characterized by comprising an electric motor (20), an extension bar (21), a universal joint (22) and a buffer connector (23),
the buffer connector (23) comprises a buffer body (10), a spring (11), a buffer block (12) and a pressing sleeve (13),
the buffer body (10) is cylindrical, a buffer block fixing groove (14) is formed in the center of the bottom of the buffer body (10), external threads are formed in the outer wall of the bottom of the buffer body (10), the spring (11) is located in the buffer block fixing groove (14), a grinding disc transmission bulge (15) is arranged at the bottom of the buffer block (12), the buffer block (12) is located in the buffer block fixing groove (14), the top of the pressing sleeve (13) is open, a through hole is formed in the center of the pressing sleeve (13), internal threads are formed in the inner wall of the pressing sleeve (13), the pressing sleeve (13) is installed at the bottom of the buffer body (10) in a threaded mode, the buffer block (12) and the spring (11) are pressed in the buffer block fixing groove (14) through the pressing sleeve (13), and the grinding disc transmission bulge (15) extends out of the through hole of the pressing sleeve (13);
the power output shaft of the motor (20) is fixedly connected with one end of the extension bar (21), and the other end of the extension bar (21) is fixedly connected with the top of the buffer body (10) through a universal joint (22).
2. The power take-off of a gate valve seat grinder as claimed in claim 1, wherein the buffer block seating groove (14) is a hexagonal seating groove and the buffer block (12) is a hexagonal prism shaped buffer block.
3. A power take off on a gate valve seat grinder as claimed in claim 1, characterised in that the grinding disc drive protrusions (15) are hexagonal in cross section.
4. The power take-off of a gate valve seat grinder as claimed in claim 1, wherein the pressing sleeve (13) has a pair of pressing grooves (16) symmetrically distributed on the outer wall of the bottom.
5. The power take-off of a gate valve seat grinder as claimed in claim 1, wherein the diameter of the through hole of the pressing sleeve (13) is larger than the outer diameter of the grinding disk drive protrusion (15).
6. The power take-off of a gate valve seat grinder as claimed in claim 1, wherein one end of the universal joint (22) is keyed to the end of the extension bar (21), and the other end of the universal joint (22) is keyed to the top of the buffer body (10).
7. A power take off on a gate valve seat grinder as claimed in claim 1, characterised in that the motor (20) is a hand-held variable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001765.9U CN214946016U (en) | 2021-05-12 | 2021-05-12 | Power output device on gate valve seat grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001765.9U CN214946016U (en) | 2021-05-12 | 2021-05-12 | Power output device on gate valve seat grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946016U true CN214946016U (en) | 2021-11-30 |
Family
ID=79063756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121001765.9U Expired - Fee Related CN214946016U (en) | 2021-05-12 | 2021-05-12 | Power output device on gate valve seat grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946016U (en) |
-
2021
- 2021-05-12 CN CN202121001765.9U patent/CN214946016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20211130 |