CN215567145U - Spring plunger - Google Patents
Spring plunger Download PDFInfo
- Publication number
- CN215567145U CN215567145U CN202121935327.XU CN202121935327U CN215567145U CN 215567145 U CN215567145 U CN 215567145U CN 202121935327 U CN202121935327 U CN 202121935327U CN 215567145 U CN215567145 U CN 215567145U
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- Prior art keywords
- threaded sleeve
- spring
- cylinder
- wall
- pressure head
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a spring plunger which comprises a threaded sleeve, a pressure head penetrating the threaded sleeve and a spring arranged in the threaded sleeve, wherein one end of the inner wall of the threaded sleeve is provided with a contact boss protruding out of the inner wall of the threaded sleeve, the other end of the inner wall of the threaded sleeve is provided with a threaded boss protruding out of the inner wall of the threaded sleeve, the inner wall of the threaded boss is provided with threads, the upper end of the threaded sleeve is provided with an adjusting piece, the adjusting piece comprises a cylinder and a rotating disk, a through hole is formed in the middle of the cylinder and the rotating disk, and external threads used for being in threaded connection with the threaded boss are arranged on the outer surface of the cylinder. The setting up of regulating part makes the pressure size that the pressure head provided can adjust, makes the compression length of spring in the thread bush change through rotatory regulating part promptly to the pretightning force of spring obtains changing, and the cylindric lock of wearing to establish in the pinhole can pull up, supports after rotating again and puts in the standing groove, thereby can make the pressure head need not continuous external force just can keep contracting in the thread bush.
Description
Technical Field
The utility model relates to the technical field of elastic components, in particular to a spring plunger.
Background
The plunger piston is suitable for mechanical devices, clamping tools, dies, automatic machines and the like, and is a spring plunger piston, also called a ball plunger piston, wherein a spring is arranged in a screw thread, a pin column in the spring is enabled to set pre-pressure and an up-and-down stroke product, the spring plunger piston is used as an element capable of providing pressure and accurate positioning, the fixing mode of the spring plunger piston is various, the structure of the spring plunger piston generally comprises a cylinder, a spring, a shell and the like, but the precision of the plunger piston on the market can be deviated.
At present, in the prior art, there is a spring plunger, as shown in fig. 1, including threaded sleeve 1, pin cylinder 4, spring part 2 and column cap 3 sleeved in threaded sleeve 1, pin cylinder 4 extends out from one end of threaded sleeve 1, column cap 3 is fixed at the other end of threaded sleeve 1 in a threaded manner, spring part 2 is located between pin cylinder 4 and column cap 3 and two ends of spring part 2 respectively with pin cylinder 4, column cap 3 are fixedly connected, one end of pin cylinder 4 exposed out of threaded sleeve 1 can contract towards interior of threaded sleeve 1 when receiving pressure, after the pressure is removed, spring part 2 automatically resets, thereby push pin cylinder 4 to extend out of threaded sleeve 1 again.
However, the plunger of the spring element 2 has the disadvantages that the column cap 3 is fixed in the threaded sleeve 1 through threads, pressure can be applied only to one end, exposed out of the threaded sleeve 1, of the pin column 4 to push the pin column 4 to retract into the threaded sleeve 1, the spring element 2 can automatically reset after the pressure is removed, the function of enabling the pin column 4 to be retracted into the threaded sleeve 1 is not achieved, the pressure provided by the pin column 4 cannot be adjusted, namely the pretightening force of the spring element 2 cannot be adjusted, the function is simple, and unnecessary troubles are brought to workers when the plunger is used.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcomes the defects in the prior art and provides a spring plunger.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a spring plunger, includes the thread bush, wears to locate the pressure head in the thread bush and sets up the spring in the thread bush, the surface of thread bush is provided with the screw thread, the inner wall one end of thread bush is provided with the conflict boss of protrusion thread bush inner wall, the inner wall other end of thread bush is provided with the screw thread boss of protrusion thread bush inner wall, the inner wall of screw thread boss is provided with the screw thread, the upper end of thread bush is provided with the adjustment key, the regulating part includes cylinder and rotary disk, the rotary disk sets up in the one end of cylinder, and coaxial setting, the through-hole has been seted up at cylinder and rotary disk middle part, the surface of cylinder is provided with the external screw thread that is used for with screw thread boss threaded connection, the one end of pressure head is provided with the round pin post, the spring housing is established on the round pin post.
Further, the pressure head includes first cylinder and protruding dish, the protruding dish set up in the one end of first cylinder, the terminal surface of the other end of first cylinder is the sphere, the pressure head passes through the protruding dish card and ends on the conflict boss of thread bush, the thread bush is stretched out to the sphere one end of pressure head.
Furthermore, the pin column is fixedly connected with the convex disc, the pin column penetrates through the threaded sleeve and extends out of the through hole of the adjusting piece, and a plurality of pin holes are axially formed in one end, far away from the pressure head, of the pin column.
Furthermore, the spring sleeve is arranged on the pin column, one end of the spring is abutted to the convex disc, and the other end of the spring is abutted to the end part of the cylinder of the adjusting piece.
Furthermore, only one hole is provided with a cylindrical pin in a penetrating way.
Furthermore, a plurality of arc grooves are formed in the circumferential direction of the outer wall of the rotating disc.
Furthermore, the upper surface of the rotating disk is provided with 2 support columns, and the support columns are symmetrically arranged on two sides of the through hole in the rotating disk.
Further, the upper end of support column is provided with the arc standing groove of placing the round pin post.
The utility model has the beneficial effects that: the pressure adjusting device is simple in structure, convenient to install and easy and convenient to operate, the pressure provided by the pressure head can be adjusted by the aid of the adjusting piece, namely, the compression length of the spring in the threaded sleeve is changed by rotating the adjusting piece, and accordingly the pre-tightening force of the spring is changed;
the adjusting piece is provided with a supporting column, a cylindrical pin penetrating through the pin hole can be pulled upwards and is abutted to the placing groove after being rotated, so that the pressing head can be kept to be contracted in the threaded sleeve without continuous external force, the contraction process is quick and simple, certain convenience is brought to workers, and the use is wider;
the end face of the pressure head far away from one end of the threaded sleeve is spherical, so that the abrasion of the end face can be reduced, and the quality of the pressure head is not damaged.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a cross-sectional view of the prior art;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of the indenter of the present invention after retraction;
FIG. 5 is a perspective view of the adjustment member of the present invention;
FIG. 6 is a perspective view of the indenter of the present invention;
fig. 7 is a perspective view of the threaded sleeve of the present invention.
In the figure: 1. the bolt comprises a threaded sleeve, 2. a spring piece, 3. a column cap, 4. a pin column body, 10. a threaded sleeve, 11. a pressure head, 12. a spring, 13. an interference boss, 14. an adjusting piece, 15. a cylinder body, 16. a rotating disc, 17. a pin column, 18. a first column body, 19. a convex disc, 20. a spherical surface, 21. a pin hole, 22. a cylindrical pin, 23. an arc groove, 24. a supporting column, 25. a placing groove and 26. a threaded boss.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 2 to 7, the spring plunger includes a thread bush 10, a pressure head 11 penetrating the thread bush 10 and a spring 12 arranged in the thread bush 10, the outer surface of the thread bush 10 is provided with threads, one end of the inner wall of the thread bush 10 is provided with a contact boss 13 protruding the inner wall of the thread bush 10, the other end of the inner wall of the thread bush 10 is provided with a thread boss 26 protruding the inner wall of the thread bush 10, the inner wall of the thread boss 26 is provided with threads, the upper end of the thread bush 10 is provided with an adjusting member 14, the adjusting member 14 includes a cylinder 15 and a rotating disk 16, the cylinder 15 and the rotating disk 16 are of an integral structure, the rotating disk 16 is arranged at one end of the cylinder 15 and is coaxially arranged, a through hole is formed in the middle of the cylinder 15 and the rotating disk 16, the outer surface of the cylinder 15 is provided with an external thread connected with the thread boss 26 by threads, 5 circular arc grooves 23 are circumferentially formed in the outer wall of the rotating disk 16, the adjusting piece 14 is convenient to screw, so that the up-and-down position of the adjusting piece 14 can be adjusted.
The pressure head 11 includes first cylinder 18 and protruding dish 19, protruding dish 19 sets up in the one end of first cylinder 18, the terminal surface of the other end of first cylinder 18 is sphere 20, pressure head 11 stops on the conflict boss 13 of thread bush 10 through protruding dish 19, thread bush 10 is stretched out to the sphere 20 one end of pressure head 11, the one end of pressure head 11 is provided with round pin post 17, round pin post 17 and protruding dish 19 rigid coupling, round pin post 17 wears to locate in the thread bush 10, and stretch out in the through-hole of follow regulating part 14, a plurality of pinholes 21 have been seted up to the one end axial that round pin post 17 kept away from pressure head 11, be equipped with in the pinhole 21 and only one downthehole cylindric lock 22 that wears to be equipped with.
The spring 12 is sleeved on the pin 17, one end of the spring 12 is abutted against the convex disc 19, and the other end of the spring 12 is abutted against the end part of the cylinder 15 of the adjusting piece 14.
The upper surface of the rotating disc 16 is provided with 2 supporting columns 24, the supporting columns 24 are symmetrically arranged on two sides of the through hole on the rotating disc 16, and the upper ends of the supporting columns 24 are provided with arc-shaped placing grooves 25 for placing the cylindrical pins 22 after being pulled up.
The working process is as follows: the up-and-down movement of the adjusting piece 14 is adjusted by rotating the rotating disc 16, so that the compression length of the spring 12 at the lower end is changed, and the pre-tightening force of the spring 12 is changed, namely the pressure provided by the pressure head 11 is changed; wear to establish cylindric lock 22 in suitable pinhole 21, upwards stimulate cylindric lock 22, drive round pin 17 and pressure head 11 and move up in thread bush 10, when cylindric lock 22 stimulates the top of support column 24, along round pin 17 axial rotation cylindric lock 22, make cylindric lock 22 fall into standing groove 25, and under the spring action of spring 12, support and put in standing groove 25, pressure head 11 does not need lasting external force just can keep contracting in thread bush 10 simultaneously, along with the difference of the upper and lower position of regulating part 14, cylindric lock 22 can be through wearing to establish the position that cooperates regulating part 14 in different pinhole 21, it is spacing in standing groove 25 after the back-lifting, make pressure head 11 can stretch out and draw back completely in thread bush 10.
While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a spring plunger, includes thread bush (10), wears to locate pressure head (11) in thread bush (10) and sets up spring (12) in thread bush (10), its characterized in that: the outer surface of the threaded sleeve (10) is provided with threads, one end of the inner wall of the threaded sleeve (10) is provided with a contact boss (13) which protrudes out of the inner wall of the threaded sleeve (10), the other end of the inner wall of the threaded sleeve (10) is provided with a threaded boss (26) which protrudes out of the inner wall of the threaded sleeve (10), the inner wall of the thread boss (26) is provided with threads, the upper end of the thread sleeve (10) is provided with an adjusting piece (14), the adjusting piece (14) comprises a cylinder (15) and a rotating disk (16), the rotating disk (16) is arranged at one end of the cylinder (15), and are coaxially arranged, the middle parts of the cylinder (15) and the rotating disc (16) are provided with through holes, the outer surface of the cylinder (15) is provided with an external thread which is used for being in threaded connection with the thread boss (26), one end of the pressure head (11) is provided with a pin column (17), and the spring (12) is sleeved on the pin column (17).
2. A spring plunger according to claim 1, wherein: the pressure head (11) comprises a first cylinder (18) and a convex disc (19), the convex disc (19) is arranged at one end of the first cylinder (18), the end face of the other end of the first cylinder (18) is a spherical surface (20), the pressure head (11) is clamped on a collision boss (13) of the threaded sleeve (10) through the convex disc (19), and one end of the spherical surface (20) of the pressure head (11) extends out of the threaded sleeve (10).
3. A spring plunger according to claim 2, wherein: the pin column (17) is fixedly connected with the convex disc (19), the pin column (17) penetrates through the threaded sleeve (10) and extends out of the through hole of the adjusting piece (14), and a plurality of pin holes (21) are axially formed in one end, far away from the pressure head (11), of the pin column (17).
4. A spring plunger according to claim 3, wherein: the spring (12) is sleeved on the pin column (17), one end of the spring (12) is abutted to the convex disc (19), and the other end of the spring (12) is abutted to the end part of the cylinder (15) of the adjusting piece (14).
5. A spring plunger according to claim 3, wherein: and only one hole (21) is provided with a cylindrical pin (22) in a penetrating way.
6. A spring plunger according to claim 1, wherein: the outer wall of the rotating disc (16) is circumferentially provided with a plurality of arc grooves (23).
7. A spring plunger according to claim 1, wherein: the upper surface of the rotating disc (16) is provided with 2 supporting columns (24), and the supporting columns (24) are symmetrically arranged on two sides of a through hole in the rotating disc (16).
8. A spring plunger according to claim 7, wherein: the upper end of the supporting column (24) is provided with an arc-shaped placing groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935327.XU CN215567145U (en) | 2021-08-17 | 2021-08-17 | Spring plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935327.XU CN215567145U (en) | 2021-08-17 | 2021-08-17 | Spring plunger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567145U true CN215567145U (en) | 2022-01-18 |
Family
ID=79836697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121935327.XU Active CN215567145U (en) | 2021-08-17 | 2021-08-17 | Spring plunger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199688A (en) * | 2022-07-15 | 2022-10-18 | 奇瑞汽车股份有限公司 | Elastic spring retainer and manufacturing and assembling method thereof |
-
2021
- 2021-08-17 CN CN202121935327.XU patent/CN215567145U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199688A (en) * | 2022-07-15 | 2022-10-18 | 奇瑞汽车股份有限公司 | Elastic spring retainer and manufacturing and assembling method thereof |
| CN115199688B (en) * | 2022-07-15 | 2023-09-26 | 奇瑞汽车股份有限公司 | Elastic spring retainer and manufacturing and assembling method thereof |
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