CN215281781U - Valve core cylindrical pin press-fitting device for servo valve - Google Patents
Valve core cylindrical pin press-fitting device for servo valve Download PDFInfo
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- CN215281781U CN215281781U CN202121410284.3U CN202121410284U CN215281781U CN 215281781 U CN215281781 U CN 215281781U CN 202121410284 U CN202121410284 U CN 202121410284U CN 215281781 U CN215281781 U CN 215281781U
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- cylindrical pin
- valve core
- pin press
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Abstract
The utility model discloses a case cylindric lock pressure equipment device for servo valve, including cylindric lock pressure equipment seat, cylindric lock pressure equipment pincers, case fixing base, wherein: a valve core placing area is arranged in the cylindrical pin press-mounting seat, and press-mounting clamp mounting areas are symmetrically arranged on two sides of the valve core placing area; the cylindrical pin press-mounting pliers are arranged in a pair and can be movably assembled in the press-mounting pliers mounting area; the valve core fixing seat is arranged at the front end of the valve core placing area on the cylindrical pin press-fitting seat and used for fixing the valve core to be pressed. The utility model discloses can be with the case fixed back, the cylindric lock is impressed to an arbitrary cylindric lock hole of case sensor support to the rotation case or removal case fixing base, and the cylindric lock section diameter after the extrusion accords with standard requirement. The positioning valve core has the function of quickly pressing the cylindrical pin into the positioning valve core, and is simple in structure and very high in strength.
Description
Technical Field
The utility model relates to a rotatory direct drive valve technical field, concretely relates to case cylindric lock pressure equipment device for servo valve.
Background
The valve core of the rotary direct drive valve is divided into a main valve core and an auxiliary valve core, and the main valve core is a main key part for connecting an oil circuit and distributing oil and is an indispensable part. The sensor support is arranged on the main valve core and used for mounting two linear displacement sensors to detect the motion displacement of the valve core. In order to fix the sensor support, two common cylindrical pins are pressed into two groups of holes of the sensor support, one of the cylindrical pin holes is located in the center of the inner sides of the earlobes of the two supports, and the installation cylindrical pin is small in space and inconvenient to operate.
Present case cylindric lock push in device relies on the bulky device of vice isovoluminous, and the effect of impressing simultaneously to the cylindric lock of the inboard central point of two support earlobes is not good, and difficult operation, devices such as vice use for a long time simultaneously lead to falling the sediment, form the redundancy, and the cylindric lock section after impressing has been damaged, has following problem:
1. the cylindrical pin hole at the center position of the inner sides of the two earlobes of the valve core sensing support has small operation space, and extrusion devices with larger volume, such as vices and the like, can not extend into the cylindrical pin hole;
2. the cylindrical pin is small in size, and the diameter of the end face of the cylindrical pin extruded by the vice is easy to deform and damage;
3. when the cylindrical pin is pressed in, the valve core needs to be fixed to ensure that the cylindrical pin is in a horizontal position when pressed in, and the conventional method depends on manual adjustment of an operator;
4. a special device for pressing the cylindrical pin of the valve core is lacked, and the product quality is difficult to ensure by means of a field public device at present.
At present, a special device for pressing in the cylindrical pin of the valve core is lacked.
Disclosure of Invention
The utility model aims at providing a case cylindric lock pressure equipment device for servo valve has the location case, impresses the function of cylindric lock fast.
In order to realize the task, the utility model discloses a following technical scheme:
the utility model provides a case cylindric lock pressure equipment device for servo valve, includes cylindric lock pressure equipment seat, cylindric lock pressure equipment pincers, case fixing base, wherein:
a valve core placing area is arranged in the cylindrical pin press-mounting seat, and press-mounting clamp mounting areas are symmetrically arranged on two sides of the valve core placing area; the cylindrical pin press-mounting pliers are arranged in a pair and can be movably assembled in the press-mounting pliers mounting area; the valve core fixing seat is arranged at the front end of the valve core placing area on the cylindrical pin press-fitting seat and used for fixing the valve core to be pressed.
Furthermore, the valve core placing area is a groove formed on the surface of the cylindrical pin press-fitting seat, and two ends of the groove penetrate through the front end and the rear end of the valve core; the press-fitting clamp mounting area is a threaded hole formed in the cylindrical pin press-fitting seat on two sides of the groove, and the cylindrical pin press-fitting clamp is assembled in the threaded hole in a threaded matching mode.
Furthermore, a pair of the cylindrical pin press-fitting pliers are coaxially and oppositely arranged and can move towards or away from each other.
Furthermore, cylindric lock pressure equipment pincers be cylindrical structure, be provided with the screw thread section on the cylindric lock pressure equipment pincers, the front end of cylindric lock pressure equipment pincers is provided with the conical surface of impressing.
Furthermore, the rear end of the cylindrical pin press-fitting pliers is provided with a fastening end, the front end of the cylindrical pin press-fitting pliers is provided with a gradually-reduced section with the diameter gradually reduced, the front end of the gradually-reduced section is provided with a cylindrical press-in section, and the press-in conical surface is located at the front end of the press-in section.
Further, the conical angle of the pressing conical surface is 120 degrees.
Furthermore, a semicircular groove is formed in the valve core fixing seat, and one end of the semicircular groove penetrates out of the front end of the valve core fixing seat; the other end of the semicircular groove is provided with a clamping groove, the depth and the diameter of the clamping groove are larger than those of the semicircular groove, the rear end of the clamping groove penetrates out of the rear end of the valve core fixing seat, and a clamping edge is formed at the rear end of the clamping groove.
Compared with the prior art, the utility model has the following technical characteristics:
1. the utility model discloses well cylindric lock pressure equipment pincers are small and exquisite in size, can impress the cylindric lock with the cylindric lock hole of the arbitrary angular position of sensor support on the case, especially can impress the cylindric lock that lies in the narrow position in inboard center of case sensor support two earlobes, easy operation.
2. The utility model discloses can be with the case fixed back, the cylindric lock is impressed to an arbitrary cylindric lock hole of case sensor support to the rotation case or removal case fixing base, and the cylindric lock section diameter after the extrusion accords with standard requirement. The positioning valve core has the function of quickly pressing the cylindrical pin into the positioning valve core, and is simple in structure and very high in strength.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a cylindrical pin press-fitting seat;
FIG. 3 is a schematic structural view of a cylindrical pin press-fitting pliers;
FIG. 4 is an enlarged schematic end view of the clamp;
FIG. 5 shows a structure of a valve core fixing seat;
the reference numbers in the figures illustrate: 1 cylindric lock pressure equipment seat, 2 cylindric lock pressure equipment pincers, 3 case fixing bases, 11 case are placed the district, 12 pressure equipment pincers installing zones, 21 fastening ends, 22 screw thread sections, 23 convergent sections, 24 sections of impressing, 25 conical surfaces of impressing, 31 half slot, 32 draw-in grooves, 33 card edge.
Detailed Description
Referring to fig. 1 to 5, the utility model discloses a case cylindric lock pressure equipment device for servo valve, including cylindric lock pressure equipment seat 1, cylindric lock pressure equipment pincers 2, case fixing base 3, wherein:
a valve core placing area 11 is arranged in the cylindrical pin press-fitting seat 1, and press-fitting clamp mounting areas 12 are symmetrically arranged on two sides of the valve core placing area 11; the cylindrical pin press-mounting pliers 2 are provided with a pair and can be movably assembled in the press-mounting pliers mounting area 12; the valve core fixing seat 3 is arranged at the front end of the valve core placing area 11 on the cylindrical pin press-fitting seat 1 and used for fixing the valve core to be pressed.
Adopt the above technical scheme of the utility model, when the cylindric lock impresses in to the case, at first fix the case on case fixing base 3 to the part that makes the cylindric lock impress on the case stretches into the case on the cylindric lock pressure equipment seat 1 and places the district 11, and drive cylindric lock pressure equipment pincers 2 move in opposite directions, and the pinhole that impresses the cylindric lock on the case can until the front end of cylindric lock pressure equipment pincers 2.
In an embodiment of the present invention, the valve element placing area 11 is a groove formed on the surface of the cylindrical pin press-fitting seat 1, and the cross section of the groove may be U-shaped or circular arc; two ends of the groove penetrate through the front end and the rear end of the valve core so as to be convenient for the valve core to be placed in; the press-fitting clamp mounting area 12 is a threaded hole formed in the cylindrical pin press-fitting seat 1 on the two sides of the groove, and the cylindrical pin press-fitting clamp 2 is assembled in the threaded hole in a threaded fit mode.
Referring to fig. 1, a pair of said cylindrical pin press-fitting pliers 2 are coaxially and oppositely arranged and can move towards or away from each other; when moving towards each other, the front end of the cylindrical pin press-fitting pliers 2 presses the cylindrical pin into the valve core. Two cylindric lock pressure equipment pincers 2 keep the axiality, guarantee that the cylindric lock of impressing does not take place circumferential deformation, guarantee that the cylindric lock of impressing is not eccentric, and its tip also can regard as the extrusion face, need not to rely on other devices.
It should be noted that the perpendicularity is ensured by the connecting line of the axis of the valve core fixing seat 3 and the axis of the pressure head of the two cylindrical pin press-fitting pliers 2 on the cylindrical pin press-fitting seat 1.
Referring to fig. 1, 3 and 4, the cylinder pin press-fitting pliers 2 are cylindrical structures, and a threaded section 22 is arranged on the cylinder pin press-fitting pliers 2 and is used for being matched with the threaded hole; the front end of the cylindrical pin press-fitting pliers 2 is provided with a press-in conical surface 25, and the press-in conical surface 25 is used for being matched with a hole in the end part of the cylindrical pin to play a role in extruding the cylindrical pin.
Optionally, the rear end of the cylindrical pin press-fitting pliers 2 is provided with a fastening end 21, and the fastening end 21 may be, for example, an external hexagonal structure matched with a wrench; the front end of the cylindrical pin press-fitting clamp 2 is provided with a tapered section 23 with the diameter gradually reduced, the front end of the tapered section 23 is provided with a cylindrical press-in section 24, and the press-in conical surface 25 is positioned at the front end of the press-in section 24; the front end of the cylindrical pin press-fitting clamp 2 is integrally of a tapered structure, so that press-fitting operation can be facilitated; the conical angle of the press-in conical surface 25 is 120 degrees, the press-in conical surface can be perfectly attached to two ends of the cylindrical pin, special positioning is not needed during extrusion, and the rear section of the extruded cylindrical pin is flat and free of damage; the taper angle of the press-in conical surface 25 can also be designed to be other angles according to actual requirements. The pressure head of the cylindrical pin press-fitting pliers 2 is made of high-strength materials, the integrity of the pressure head is guaranteed, and the requirements on the surface roughness and the machining precision of the pressure head are high.
Referring to fig. 5, a semicircular groove 31 is formed in the valve core fixing seat 3, and one end of the semicircular groove 31 penetrates through the front end of the valve core fixing seat 3; a clamping groove 32 is formed at the other end of the semicircular groove 31, the depth and the diameter of the clamping groove 32 are larger than those of the semicircular groove 31, the rear end of the clamping groove 32 penetrates through the rear end of the valve core fixing seat 3, and a clamping edge 33 is formed at the rear end of the clamping groove 32; the clamping edge 33 and the front end of the clamping groove 32 are used for limiting the valve core together, so that the valve core cannot move axially after being placed; the diameters and lengths of the clamping groove 32 and the semicircular groove 31 can be adjusted according to the shape and the size of the valve core. When any one of the cylindrical pins is pressed in, the valve core is simply rotated to the position of the valve core fixing seat 3 and the position of the movable valve core fixing seat 3, so that the operation is convenient.
The utility model discloses when using, at first the cylindric lock that will impress is packed into in the round pin hole on the case, then fixes the case on case fixing base 3, and half slot 31, draw-in groove 32 on the case fixing base 3 adopt and prevent slow-witted design and be used for fixing a position fixed valve core, and the length that the case corresponds is slightly good at to the length of draw-in groove 32 for the position of small adjustment case. Alternately screwing two wrenches into the threaded holes in the cylindrical pin press-fitting seat 1 for press-fitting two cylindrical pins, moving the valve core fixing seat 3, adjusting the position of the valve core, aligning one of the holes to be pressed into the cylindrical pins with the cylindrical pin press-fitting pliers 2, and slightly screwing the wrenches into the cylindrical pin press-fitting pliers 2 to enable the pressing conical surfaces 25 of the cylindrical pin press-fitting pliers 2 to prop against two ends of the cylindrical pins; and (4) simultaneously applying force to the tightening direction by using two wrenches to respectively extrude the two cylindrical pins to enable the end parts of the cylindrical pins to deform. And (4) simultaneously applying force to the unscrewing direction by using two wrenches to loosen two ends of the cylindrical pin of the valve core, so that the operation is completed, and the cylindrical pin of the valve core is pressed in.
Adjusting the position of the valve core, moving the valve core fixing seat 3, and pressing in another cylindrical pin of the valve core according to the method; and (4) checking the diameter of the end face of the extruded cylindrical pin by using a caliper, and judging whether the pressed cylindrical pin is qualified or not.
In some embodiments, one of the two cylindrical pin pressing pincers 2 may also be fixedly connected with the cylindrical pin pressing seat 1, when pressing in the cylindrical pin, the fixed pin pressing pincers 2 serve as an extrusion surface, the pressing-in conical surface 25 of the cylindrical pin pressing pincers 2 abuts against one end of the cylindrical pin, and the other cylindrical pin pressing pincers 2 are screwed by a wrench according to the operation to complete the pressing in of the cylindrical pin.
A large number of experiments prove that the valve core cylindrical pin press-in device is simple in structure and high in strength. The cylindric lock that the inboard central point of two support earlobes put is impressed effectually, can easily impress to the cylindric lock in narrow and small space, and the cylindric lock section diameter after the extrusion accords with standard requirement. At present, the cylindrical pin press-in device is applied to product adjustment.
The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, although the present invention is described in detail with reference to the preferred embodiments, the scope of the present invention is not limited thereto, and any person skilled in the art can modify the detailed embodiments of the present invention or make equivalent substitutions for some technical features within the technical scope of the present invention disclosed by the present invention without departing from the spirit of the technical solution of the present invention, and the modifications or substitutions should be covered within the technical scope of the present invention claimed.
Claims (7)
1. The utility model provides a case cylindric lock pressure equipment device for servo valve which characterized in that, includes cylindric lock pressure equipment seat (1), cylindric lock pressure equipment pincers (2), case fixing base (3), wherein:
a valve core placing area (11) is arranged in the cylindrical pin press-fitting seat (1), and press-fitting clamp mounting areas (12) are symmetrically arranged on two sides of the valve core placing area (11); the cylindrical pin press-mounting pliers (2) are provided with a pair and movably assembled in the press-mounting pliers mounting area (12); the valve core fixing seat (3) is arranged at the front end of the valve core placing area (11) on the cylindrical pin press-fitting seat (1) and used for fixing the valve core to be pressed.
2. The valve core cylindrical pin press-fitting device for the servo valve according to claim 1, wherein the valve core placing area (11) is a groove formed on the surface of the cylindrical pin press-fitting seat (1), and two ends of the groove penetrate through the front end and the rear end of the valve core; the press-fitting clamp mounting area (12) is a threaded hole formed in the cylindrical pin press-fitting seat (1) on the two sides of the groove, and the cylindrical pin press-fitting clamp (2) is assembled in the threaded hole in a threaded fit mode.
3. A valve element pin press-fitting device for a servo valve according to claim 1, wherein a pair of the pin press-fitting pliers (2) are coaxially and oppositely disposed and are movable toward or away from each other.
4. The valve core cylindrical pin press-fitting device for the servo valve according to claim 1, wherein the cylindrical pin press-fitting pliers (2) are of a cylindrical structure, a threaded section (22) is arranged on the cylindrical pin press-fitting pliers (2), and a press-fitting conical surface (25) is arranged at the front end of the cylindrical pin press-fitting pliers (2).
5. The device for press-fitting a spool cylindrical pin of a servo valve as set forth in claim 4, wherein said press-fitting tapered surface (25) has a taper angle of 120 °.
6. The valve element cylindrical pin press-fitting device for the servo valve according to claim 4, wherein a fastening end (21) is provided at a rear end of the cylindrical pin press-fitting pliers (2), a tapered section (23) with a gradually decreasing diameter is provided at a front end of the cylindrical pin press-fitting pliers (2), a cylindrical press-fitting section (24) is provided at a front end of the tapered section (23), and the press-fitting tapered surface (25) is located at a front end of the press-fitting section (24).
7. The press fitting device for the cylindrical pin of the valve core of the servo valve according to claim 1, wherein a semicircular groove (31) is formed in the valve core fixing seat (3), and one end of the semicircular groove (31) penetrates out of the front end of the valve core fixing seat (3); a clamping groove (32) is formed in the other end of the semicircular groove (31), the depth and the diameter of the clamping groove (32) are larger than those of the semicircular groove (31), the rear end of the clamping groove (32) penetrates out of the rear end of the valve core fixing seat (3), and a clamping edge (33) is formed in the rear end of the clamping groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410284.3U CN215281781U (en) | 2021-06-23 | 2021-06-23 | Valve core cylindrical pin press-fitting device for servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410284.3U CN215281781U (en) | 2021-06-23 | 2021-06-23 | Valve core cylindrical pin press-fitting device for servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215281781U true CN215281781U (en) | 2021-12-24 |
Family
ID=79518114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410284.3U Active CN215281781U (en) | 2021-06-23 | 2021-06-23 | Valve core cylindrical pin press-fitting device for servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215281781U (en) |
-
2021
- 2021-06-23 CN CN202121410284.3U patent/CN215281781U/en active Active
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