CN219495097U

CN219495097U - Measurement tool for high-precision needle valve conical surface

Info

Publication number: CN219495097U
Application number: CN202223004230.4U
Authority: CN
Inventors: 张�杰; 陆明珏; 叶华
Original assignee: Hudong Heavy Machinery Co Ltd
Current assignee: Hudong Heavy Machinery Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-08-08
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a measuring tool for a high-precision needle valve conical surface, which relates to the technical field of flatness measurement and specifically comprises a base, wherein one end of the base is provided with a mounting seat, the top of the mounting seat is provided with a mounting tube through a bearing, one end of the mounting tube is coaxially provided with a centering chuck, the other end of the mounting tube is provided with a driving motor, and the driving motor is arranged on the side surface of the mounting seat through a motor mounting seat; the other end and one side edge of the base are provided with adjusting structures, and the two adjusting structures are vertically arranged; the adjusting mechanism comprises a strip-shaped seat arranged above the base, an adjusting groove is formed in the surface of the strip-shaped seat, and supporting rods are vertically arranged at two ends of the strip-shaped seat. When in use, the needle valve is clamped and driven to rotate by the centering chuck, the dial indicator can be positioned on the end face or the side face of the needle valve by the adjusting structure, the flatness of the side surface and the end surface of the needle valve can be measured, and the needle valve is convenient to use.

Description

Measurement tool for high-precision needle valve conical surface

Technical Field

The utility model relates to the technical field of flatness measurement, in particular to a measurement tool for a high-precision needle valve conical surface.

Background

The needle valve in the diesel engine fuel injection assembly is an important part, the structure of the needle valve is as shown in fig. 5, the manufacturing precision requirement of the needle valve is high, and particularly, the conical surface of the needle valve needs to control the diameter surface of the needle valve with high precision during grinding. In order to detect whether the needle valve processing meets the requirements, as shown in fig. 5, the needle valve is inconvenient to fix and cannot be aligned when measured by a dial indicator, and therefore, a measuring tool for the high-precision needle valve conical surface is provided.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a measuring tool for a high-precision needle valve conical surface.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a measurement frock for high accuracy needle valve conical surface, includes the base, and the mount pad is installed to one end of base, and the mount tube is installed through the bearing in the top of mount pad, and centering chuck is installed to one end coaxial of mount tube, and driving motor is installed to the other end, and driving motor passes through the motor mount pad and installs on the side of mount pad;

the other end and one side edge of the base are provided with adjusting structures, and the two adjusting structures are vertically arranged; the adjusting mechanisms comprise a strip-shaped seat arranged above the base, the surface of the strip-shaped seat is provided with an adjusting groove, and the two ends of the strip-shaped seat are vertically provided with supporting rods;

the adjusting structure further comprises an adjusting seat, the adjusting seat is arranged on any one of the strip-shaped seats, a rectangular sliding block arranged in the adjusting groove is arranged at the bottom of the adjusting seat, and one end of the adjusting seat is fastened with the adjusting groove through a bolt;

the middle part of the top surface of the adjusting seat is provided with a guide seat, one side of the guide seat, which is close to the centering chuck, is provided with a gauge stand, and a dial indicator is arranged in the gauge stand.

Preferably, the bottoms of the supporting rods are inserted into the supporting tubes, the bottoms of each supporting tube are vertically provided with supporting legs, the bottoms of each supporting leg are provided with moving grooves, and the moving grooves are fastened with the supporting legs through bolts.

Preferably, a locking bolt capable of adjusting the supporting rod to a preset height is arranged at the top of the supporting tube.

Preferably, a square hole is formed in the guide seat, a strip-shaped guide seat is inserted in the square hole, a locking bolt capable of modulating the strip-shaped guide seat by a preset length is arranged on the side surface of the guide seat, and the gauge stand is arranged at the tail end of the strip-shaped guide seat.

Preferably, the gauge stand is a rectangular plate arranged at the tail end of the strip-shaped guide seat, the middle part of the rectangular plate is provided with a clamping opening penetrating through the top of the rectangular plate, two side surfaces of the clamping opening are provided with placing grooves, the base of the dial indicator is arranged in the placing grooves, and the rectangular plates of the clamping opening are fastened through bolts.

Preferably, the driving motor is installed in a protective cover, and the protective cover is installed on the base.

Preferably, the mounting plate is coaxially mounted at the end of the mounting tube, the mounting plate is fastened with the edge of the centering chuck through bolts, and the center hole of the centering chuck is communicated with the inside of the mounting tube.

Compared with the prior art, when the needle valve is used, the needle valve is clamped and driven to rotate through the centering chuck, the dial indicator can be positioned on the end face or the side face of the needle valve through the adjusting structure, the flatness of the side face surface and the end face surface of the needle valve can be measured, and the needle valve is simple to operate and convenient to use.

Drawings

Fig. 1 is a schematic view of the front structure of the present utility model.

Fig. 2 is a schematic view of the rear structure of the present utility model.

FIG. 3 is a schematic view of the structure of the present utility model after the protective cover is installed.

Fig. 4 is a schematic diagram of the structure of the dial indicator and gauge stand of the present utility model.

Fig. 5 is a schematic view of the structure of a diesel fuel injection needle valve to be measured in the present utility model.

In the figure: 1. a base; 2. a motor mounting seat; 3. a driving motor; 4. a mounting base; 5. a mounting plate; 6. a centering chuck; 7. an adjustment tank; 8. a strip-shaped seat; 9. a strip-shaped guide seat; 10. a support leg; 11. a support tube; 12. a moving groove; 13. a dial gauge; 14. a support rod; 15. an adjusting seat; 16. a guide seat; 17. a gauge stand; 18. installing a pipe; 19. a protective cover; 20. a clamping opening; 21. a rectangular plate; 22. a placement groove; 23. a rectangular slide block.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a measurement frock for high accuracy needle valve conical surface, includes base 1, and mount pad 4 is installed to the one end of base 1, and mount pad 4's top is installed through the bearing and is installed mounting tube 18, and the centering chuck 6 is installed to the one end coaxial of mounting tube 18, and centering chuck 6 is triangle centering chuck or four corners centering chuck, pentagonal centering chuck, installs driving motor 3 at the other end of mount tube 18, and driving motor 3 passes through motor mount pad 2 and installs on the side of mount pad 4, driving motor 3 drives centering chuck 6 rotation;

the other end and one side edge of the base 1 are provided with adjusting structures, and the two adjusting structures are vertically arranged; as shown in fig. 1, the adjusting mechanisms comprise a strip-shaped seat 8 arranged above the base 1, an adjusting groove 7 is formed in the surface of the strip-shaped seat 8, and supporting rods 14 are vertically arranged at two ends of the strip-shaped seat 8;

the bottoms of the supporting rods 14 are inserted into the supporting tubes 11, the bottom of each supporting tube 11 is vertically provided with a supporting leg 10, the bottom of each supporting leg 10 is provided with a moving groove 12, and the moving grooves 12 are fastened with each supporting leg 10 through bolts; thus, the height of the strip-shaped seat 8 can be changed by the up-and-down sliding of the supporting rod 14 in the supporting tube 11 so as to adjust the height of the dial indicator in time;

as shown in fig. 1, the adjusting structure further comprises an adjusting seat 15, wherein the adjusting seat 15 is arranged on any one of the strip-shaped seats 8, namely, the adjusting seat 15 can be arranged at the top of any one of the strip-shaped seats 8, the adjusting seat 15 is used for measuring the flatness of the side surface of the needle valve when being positioned at the side surface of the base 1, and the adjusting seat 15 is used for measuring the flatness of the end surface of the needle valve when being positioned at the end part of the base 1;

the bottom of the adjusting seat 15 is provided with a rectangular sliding block 23 arranged in the adjusting groove 7, the rectangular sliding block 23 can move along the adjusting groove 7, and one end of the adjusting seat 15 is fastened with the adjusting groove 7 through bolts;

a guide seat 16 is arranged in the middle of the top surface of the adjusting seat 15, a gauge stand 17 is arranged on one side of the guide seat 16 close to the centering chuck 6, and a dial indicator 13 is arranged in the gauge stand 17.

As shown in fig. 1, a square hole is formed in the guide seat 16, a strip-shaped guide seat 9 is inserted into the square hole, the strip-shaped guide seat 9 is square and is matched with the square hole, the strip-shaped guide seat 9 can be prevented from rotating, a locking bolt capable of modulating the strip-shaped guide seat 9 by a preset length is mounted on the side surface of the guide seat 16, and the gauge stand 17 is mounted at the tail end of the strip-shaped guide seat 9.

As shown in fig. 4, the gauge stand 17 is a rectangular plate 21 mounted at the tail end of the strip-shaped guide seat 9, a clamping opening 20 penetrating through the top of the rectangular plate 21 is formed in the middle of the rectangular plate 21, placing grooves 22 are formed in two side surfaces of the clamping opening 20, the base of the dial indicator 13 is placed in the placing grooves 22, the rectangular plates 21 of the clamping opening 20 are fastened through bolts, and the clamping opening 20, the rectangular plate 21 and the placing grooves 22 form the gauge stand 17 of the dial indicator in the practical process. In the actual application process, the base (the position indicated by arrow a in fig. 4) of the dial indicator 13 is inserted into the placement groove 22, and then when the bolt at the top is screwed down, the clamping opening 20 is reduced due to the deformation of the metal, so that the dial indicator 13 is fixed.

As shown in fig. 3, the driving motor 3 is installed in a protective cover 19, and the protective cover 19 is installed on the base 1.

As shown in fig. 1, the end of the mounting tube 18 is coaxially provided with a mounting disc 5, the edges of the mounting disc 5 and the centering chuck 6 are fastened by bolts, and the central hole of the centering chuck 6 is communicated with the inside of the mounting tube 18, so that the centering chuck 6 is convenient to mount and dismount.

In the present utility model, a diesel fuel injection needle valve to be measured by a dial gauge is shown in fig. 5.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a measure frock for high accuracy needle valve conical surface, includes base (1), mount pad (4) are installed to the one end of base (1), and mount tube (18), its characterized in that are installed through the bearing in the top of mount pad (4): one end of the mounting pipe (18) is coaxially provided with a centering chuck (6), the other end of the mounting pipe is provided with a driving motor (3), and the driving motor (3) is arranged on the side surface of the mounting seat (4) through a motor mounting seat (2);

the other end and one side edge of the base (1) are provided with adjusting structures, and the two adjusting structures are vertically arranged; the adjusting mechanisms comprise a strip-shaped seat (8) arranged above the base (1), an adjusting groove (7) is formed in the surface of the strip-shaped seat (8), and supporting rods (14) are vertically arranged at two ends of the strip-shaped seat (8);

the adjusting structure further comprises an adjusting seat (15), the adjusting seat (15) is arranged on any one of the strip-shaped seats (8), a rectangular sliding block (23) arranged in the adjusting groove (7) is arranged at the bottom of the adjusting seat (15), and one end of the adjusting seat (15) is fastened with the adjusting groove (7) through bolts;

a guide seat (16) is arranged in the middle of the top surface of the adjusting seat (15), a gauge stand (17) is arranged on one side, close to the centering chuck (6), of the guide seat (16), and a dial indicator (13) is arranged in the gauge stand (17).

2. The measurement tool for the conical surface of the high-precision needle valve according to claim 1, wherein the measurement tool comprises the following components: the bottom of bracing piece (14) is inserted and is established in stay tube (11), and stabilizer blade (10) are all installed perpendicularly to the bottom of every stay tube (11), and removal groove (12) have all been seted up to the bottom of every stabilizer blade (10), pass through bolt fastening between removal groove (12) and each stabilizer blade (10).

3. The measurement tool for the conical surface of the high-precision needle valve according to claim 2, wherein: the top of the supporting tube (11) is provided with a locking bolt which can adjust the supporting rod (14) to a preset height.

4. The measurement tool for the conical surface of the high-precision needle valve according to claim 1, wherein the measurement tool comprises the following components: square holes are formed in the guide seats (16), a strip-shaped guide seat (9) is inserted into each square hole, locking bolts which can modulate the strip-shaped guide seat (9) to a preset length are arranged on the side surfaces of the guide seats (16), and the gauge stand (17) is arranged at the tail end of the strip-shaped guide seat (9).

5. The measuring tool for the conical surface of the high-precision needle valve according to claim 4, wherein the measuring tool comprises the following components: the gauge stand (17) is a rectangular plate (21) arranged at the tail end of the strip-shaped guide seat (9), the middle part of the rectangular plate (21) is provided with a clamping opening (20) penetrating through the top of the rectangular plate, two side surfaces of the clamping opening (20) are provided with placing grooves (22), the base of the dial gauge (13) is placed in the placing grooves (22), and the rectangular plates (21) of the clamping opening (20) are fastened through bolts.

6. The measurement tool for the conical surface of the high-precision needle valve according to claim 1, wherein the measurement tool comprises the following components: the driving motor (3) is arranged in the protective cover (19), and the protective cover (19) is arranged on the base (1).

7. The measurement tool for the conical surface of the high-precision needle valve according to claim 1, wherein the measurement tool comprises the following components: the tail end of the mounting pipe (18) is coaxially provided with a mounting disc (5), the edges of the mounting disc (5) and the centering chuck (6) are fastened through bolts, and the central hole of the centering chuck (6) is communicated with the inside of the mounting pipe (18).