CN108730297B - Ball plunger and processing and assembling method thereof - Google Patents
Ball plunger and processing and assembling method thereof Download PDFInfo
- Publication number
- CN108730297B CN108730297B CN201810925980.4A CN201810925980A CN108730297B CN 108730297 B CN108730297 B CN 108730297B CN 201810925980 A CN201810925980 A CN 201810925980A CN 108730297 B CN108730297 B CN 108730297B
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- China
- Prior art keywords
- plunger
- spring
- ball
- head
- tail
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The application discloses a ball plunger and a processing and assembling method thereof, comprising a plunger tube, a spring and a ball head, wherein the plunger tube comprises a plunger head, a plunger middle part and a plunger tail part, the inner diameter of the plunger head is smaller than that of the plunger middle part, and the plunger tail part is provided with a limit groove; the spring is arranged in the plunger tube, the spring comprises a spring head and a spring tail, the spring head is abutted against the ball head, the last circle of the spring tail is enlarged to form a spring limiting end, and the spring limiting end is clamped in the limiting groove; one end of the ball head is arranged in the plunger tube, the other end of the ball head extends outwards from the plunger head, and the plunger head limits the ball head so that the ball head cannot be separated from the plunger tube. The ball head and the spring can not fall out, the practicability is strong, and the service life is long.
Description
Technical Field
The application relates to the technical field of spring plungers, in particular to a ball plunger and a processing and assembling method thereof.
Background
Ball plunger and its processing and assembling method, also called locating bead or spring plunger. Is a load device composed of a shell, a spring, a ball or a column. The device is widely applied to products such as medical equipment, lubrication equipment, pneumatic tools and the like. Engineers often use it in molds, jigs, assemblies, etc. The movement of the ball body is pushed by a spring with certain pressure, so that the equipment runs smoothly. The ball plunger and its processing and assembling method are that a spring is installed in the screw thread to set the pre-pressure for the bead and pin in it and move up and down. The device is suitable for mechanical devices, clamping jigs, dies, automatic machines and the like.
The ball head is generally fixed at the head end by adopting a front rivet, in use, the ball head can fall out from the front end along with the abrasion of the front end or the abrasion of the ball head, the ball head plunger and the processing and assembling method thereof are damaged, and the spring can fall out after the ball head falls out.
Disclosure of Invention
The application aims to solve the technical problem of providing a ball plunger and a processing and assembling method thereof, wherein the ball and a spring cannot fall out, the practicability is strong, and the service life is long.
In order to solve the technical problems, the application provides a ball plunger, which comprises a plunger tube, a spring and a ball head, wherein the plunger tube comprises a plunger head, a plunger middle part and a plunger tail part, the inner diameter of the plunger head is smaller than that of the plunger middle part, and the plunger tail part is provided with a limit groove; the spring is arranged in the plunger tube, the spring comprises a spring head and a spring tail, the spring head is abutted against the ball head, the last circle of the spring tail is enlarged to form a spring limiting end, and the spring limiting end is clamped in the limiting groove; one end of the ball head is arranged in the plunger tube, the other end of the ball head extends outwards from the plunger head, and the plunger head limits the ball head so that the ball head cannot be separated from the plunger tube.
Preferably, the ball head is in a sphere shape, the diameter of the ball head is larger than the inner diameter of the plunger head, and the diameter of the ball head is smaller than the inner diameter of the middle part of the plunger.
Preferably, the ball head comprises a ball head end and a ball head limiting end, the ball head limiting end is matched with the middle of the plunger and can slide back and forth along the middle of the plunger, and the ball head end is fixedly arranged on the ball head limiting end and extends outwards from the plunger tube.
Preferably, the ball head further comprises a columnar protruding end, the protruding end is connected with the limiting end and faces the tail of the spring, and the protruding end penetrates through the spring.
Preferably, a baffle is arranged at the tail of the plunger, the baffle is arranged in the limiting groove, and the baffle abuts against the limiting end of the spring.
Preferably, the front end of the plunger tube is machined to form a plunger head.
Preferably, the end opening of the tail part of the plunger is riveted.
The application provides a processing and assembling method of a ball plunger, which comprises the following steps:
turning the inner wall of the plunger pipe to make the thickness of the pipe wall of the plunger head greater than that of the middle part of the plunger;
thinning the inner wall pin at the tail part of the plunger so that the thickness of the wall at the tail part of the plunger is smaller than that at the middle part of the plunger;
processing and preparing the spring, so that the last circle of the tail part of the spring is larger than the head part of the spring, and the last circle of the tail part of the spring is enlarged to form a spring limiting end;
putting the ball head into the plunger tube from the tail of the plunger;
the spring is plugged into the plunger tube from the tail of the plunger, the head of the spring is abutted against the ball head, and the limit end of the spring is arranged at the tail of the plunger;
and riveting the end port of the plunger tail, wherein the plunger tail is riveted to form a limiting groove, and the spring limiting end is clamped in the limiting groove during plunger tail riveting.
Compared with the prior art, the application has the beneficial effects that:
1. the last circle of the tail part of the spring is enlarged to form a spring limiting end, the spring limiting end is clamped in the limiting groove, the tail end of the spring is tightly combined with the tail part of the plunger, and the spring cannot fall out.
2. The application has strong practicability and long service life.
3. According to the application, the inner wall pin at the tail part of the plunger is thinned, so that the thickness of the tube wall at the tail part of the plunger is smaller than that at the middle part of the plunger, the port at the tail part of the plunger is riveted to form the limit groove, the design is ingenious, and the limit end of the spring can be just clamped in the limit groove.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic view of a ball head of the present application in the shape of a sphere;
FIG. 2 is a schematic view of a ball with ball limiting end according to the present application;
FIG. 3 is a schematic view of the ball head structure of FIG. 2;
FIG. 4 is a schematic view of the structure of the plunger tube before riveting;
fig. 5 is a schematic view of the structure of the spring of the present application.
10, a plunger tube; 11. a plunger head; 12. the tail part of the plunger; 121. a limit groove; 20. a sphere end; 21. the ball head limiting end; 22. a protruding end; 30. a spring; 301. the spring limiting end; 302. a spring head; 40. and a baffle.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1 to 5, the application discloses a ball plunger, which comprises a plunger tube 10, a spring 30 and a ball.
The plunger tube 10 comprises a plunger head 11, a plunger middle part and a plunger tail 12, wherein the inner diameter of the plunger head 11 is smaller than that of the plunger middle part, and the plunger tail 12 is provided with a limit groove 121.
The spring 30 is arranged in the plunger tube 10, the spring 30 comprises a spring head 302 and a spring tail, the spring head 302 is abutted against the ball head, the last circle of the spring tail is enlarged to form a spring limiting end 301, and the spring limiting end 301 is clamped in the limiting groove 121. Because the spring limiting end 301 is clamped in the limiting groove 121, the spring tail is tightly structured with the plunger tail 12, and then the spring 30 cannot fall out of the plunger tube 10.
One end of the ball head is arranged in the plunger tube 10, the other end of the ball head extends outwards from the plunger head 11, and the plunger head 11 limits the ball head so that the ball head cannot be separated from the plunger tube 10.
In one embodiment, as shown in fig. 2, the ball head may be in a sphere shape, the diameter of the ball head is larger than the inner diameter of the plunger head, and the diameter of the ball head is smaller than the inner diameter of the middle part of the plunger.
In another embodiment, as shown in fig. 3, the ball head may be provided with a ball head limiting end, the ball head includes a ball head limiting end 20 and a ball head limiting end 21, the ball head limiting end 21 is matched with the middle portion of the plunger and can slide back and forth along the middle portion of the plunger, the ball head end 20 is fixedly arranged on the ball head limiting end 21, and the ball head end 20 extends outwards from the plunger tube 10. Because the external diameter of the ball head limiting end 21 is larger than that of the ball head end 20, and the ball head limiting end 21 is matched with the middle part of the plunger, the internal diameter of the middle part of the plunger is larger than that of the plunger head 11, and therefore the ball head limiting end 21 can limit the ball head, and even if the ball head end 20 of the ball head is worn, the ball head cannot fall out.
The bulb still includes columnar protruding end 22, protruding end 22 and limit end are connected and set up towards the afterbody of spring, and protruding end 22 wears to establish in the spring inside. The protruding end 22 plays a role of limiting plug for the spring, and the spring is sleeved on the protruding end 22, so that the spring is more stable; and the raised end 22 also serves as a structural compensation for the device.
The plunger tail 12 is provided with a baffle 40, the baffle 40 is arranged in the limiting groove 121, and the baffle 121 abuts against the spring limiting end 301. The baffle can strengthen the riveting effect, and has closed the inner space, can also dustproof and waterproof grease proofing.
In the present application, the tip of the plunger tube 10 is machined to form the plunger head 11. The end of the plunger tail 12 is riveted. While the conventional plunger head 11 is formed by riveting, the plunger head 11 of the application is formed by turning, so that the structure is reinforced, and the ball head cannot be worn slightly and then fall out. Compared with the traditional plunger tube 10, the middle part of the plunger and the plunger tail 12 are subjected to tube wall thinning treatment, so that the plunger tail 12 is not riveted poorly because the tube wall is too thick.
The last circle of the spring tail part is enlarged to form the spring limiting end 301, the spring limiting end 301 is clamped in the limiting groove 121, the spring tail end is tightly combined with the plunger tail part 12, and the spring cannot fall out.
The ball head is provided with the ball head limiting end which is matched with the middle part of the plunger and can slide back and forth along the middle part of the plunger, and the inner diameter of the head part of the plunger is smaller than that of the middle part of the plunger, so that the ball end arranged on the ball head limiting end cannot fall out even if worn.
The ball head is provided with the ball head limiting end 21, the ball head limiting end 21 is matched with the middle of the plunger and can slide back and forth along the middle of the plunger, and the inner diameter of the plunger head 11 is smaller than that of the middle of the plunger, so that the ball end 20 arranged on the ball head limiting end 21 cannot fall out even if worn.
The application has strong practicability, the ball head and the spring can not fall out, and the service life is prolonged.
Referring to fig. 1 to 5, the application discloses a processing and assembling method of a ball plunger, which comprises the following steps:
turning the inner wall of the plunger tube 10 so that the thickness of the tube wall of the plunger head 11 is greater than that of the middle part of the plunger;
thinning the inner wall pin of the plunger tail 12 so that the thickness of the tube wall of the plunger tail 12 is smaller than that of the middle part of the plunger;
preparing the spring 30 so that the last circle of the spring tail is larger than the spring head, and enlarging the last circle of the spring tail to form a spring limit end 301;
putting the ball head into the plunger tube from the tail of the plunger;
the spring is plugged into the plunger tube from the tail of the plunger, the head of the spring is abutted against the ball head, and the limit end of the spring is arranged at the tail of the plunger;
and riveting the end port of the plunger tail, wherein the plunger tail is riveted to form a limiting groove, and the spring limiting end is clamped in the limiting groove when the plunger tail is riveted.
The application adopts a reverse riveting mode, is easy to assemble, improves the riveting strength, ensures that the ball head is not easy to fall out, and ensures that the spring is not easy to fall out.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The processing and assembling method of the ball plunger is characterized by comprising the following steps of:
turning the inner wall of the plunger pipe to make the thickness of the pipe wall of the plunger head greater than that of the middle part of the plunger;
thinning the inner wall pin at the tail part of the plunger so that the thickness of the wall at the tail part of the plunger is smaller than that at the middle part of the plunger;
processing and preparing the spring, so that the last circle of the tail part of the spring is larger than the head part of the spring, and the last circle of the tail part of the spring is enlarged to form a spring limiting end;
putting the ball head into the plunger tube from the tail of the plunger;
the spring is plugged into the plunger tube from the tail of the plunger, the head of the spring is abutted against the ball head, and the limit end of the spring is arranged at the tail of the plunger;
and riveting the end port of the plunger tail, wherein the plunger tail is riveted to form a limiting groove, and the spring limiting end is clamped in the limiting groove during plunger tail riveting.
2. The method of manufacturing and assembling a ball plunger according to claim 1,
the plunger tube comprises a plunger head, a plunger middle and a plunger tail, wherein the inner diameter of the plunger head is smaller than that of the plunger middle, and the plunger tail is provided with a limit groove;
the spring is arranged in the plunger tube, the spring comprises a spring head and a spring tail, the spring head is abutted against the ball head, the last circle of the spring tail is enlarged to form a spring limiting end, and the spring limiting end is clamped in the limiting groove;
one end of the ball head is arranged in the plunger tube, the other end of the ball head extends outwards from the plunger head, and the plunger head limits the ball head so that the ball head cannot be separated from the plunger tube.
3. The method of assembling a ball plunger according to claim 2, wherein the ball is in the shape of a sphere, the diameter of the ball is greater than the inner diameter of the plunger head, and the diameter of the ball is less than the inner diameter of the plunger middle.
4. The method of assembling a ball plunger according to claim 2, wherein the ball includes a ball end and a ball end stop, the ball end stop being mated with the plunger middle and being capable of sliding back and forth along the plunger middle, the ball end being fixedly disposed on the ball end stop and the ball end being outwardly extended from the plunger tube.
5. The method of claim 4, wherein the ball head further comprises a columnar protruding end, the protruding end is connected with the ball head limiting end and is arranged towards the tail of the spring, and the protruding end is arranged inside the spring in a penetrating manner.
6. The method of assembling a ball plunger according to claim 2, wherein a baffle is disposed at the tail of the plunger, the baffle is disposed in the limiting groove, and the baffle abuts against the limiting end of the spring.
7. A method of assembling a ball plunger according to claim 2, wherein the front end of the plunger tube is machined to form the plunger head.
8. A method of manufacturing and assembling a ball plunger as claimed in claim 2 wherein said plunger tail ports are riveted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925980.4A CN108730297B (en) | 2018-08-15 | 2018-08-15 | Ball plunger and processing and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925980.4A CN108730297B (en) | 2018-08-15 | 2018-08-15 | Ball plunger and processing and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108730297A CN108730297A (en) | 2018-11-02 |
| CN108730297B true CN108730297B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810925980.4A Active CN108730297B (en) | 2018-08-15 | 2018-08-15 | Ball plunger and processing and assembling method thereof |
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| Country | Link |
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| CN (1) | CN108730297B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1681164A (en) * | 2004-04-08 | 2005-10-12 | 株式会社西铁城电子 | Spring connector |
| CN105831999A (en) * | 2016-03-31 | 2016-08-10 | 郑州航空工业管理学院 | Special file cabinet for administration |
| CN107035901A (en) * | 2016-12-13 | 2017-08-11 | 惠阳航空螺旋桨有限责任公司 | A kind of propeller vent valve |
| CN207406617U (en) * | 2017-10-24 | 2018-05-25 | 艺精工国际技术创新（深圳）有限公司 | A kind of antivibration locking spring nut structure |
| CN207662945U (en) * | 2017-12-21 | 2018-07-27 | 东莞市燊瑞电子科技有限公司 | A kind of testing needle being used for transmission 5G high-frequency signals |
| CN208719099U (en) * | 2018-08-15 | 2019-04-09 | 福立旺精密机电（中国）股份有限公司 | A kind of bulb plunger |
-
2018
- 2018-08-15 CN CN201810925980.4A patent/CN108730297B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1681164A (en) * | 2004-04-08 | 2005-10-12 | 株式会社西铁城电子 | Spring connector |
| CN105831999A (en) * | 2016-03-31 | 2016-08-10 | 郑州航空工业管理学院 | Special file cabinet for administration |
| CN107035901A (en) * | 2016-12-13 | 2017-08-11 | 惠阳航空螺旋桨有限责任公司 | A kind of propeller vent valve |
| CN207406617U (en) * | 2017-10-24 | 2018-05-25 | 艺精工国际技术创新（深圳）有限公司 | A kind of antivibration locking spring nut structure |
| CN207662945U (en) * | 2017-12-21 | 2018-07-27 | 东莞市燊瑞电子科技有限公司 | A kind of testing needle being used for transmission 5G high-frequency signals |
| CN208719099U (en) * | 2018-08-15 | 2019-04-09 | 福立旺精密机电（中国）股份有限公司 | A kind of bulb plunger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108730297A (en) | 2018-11-02 |
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