CN216977736U

CN216977736U - Oil seal measuring tool capable of positioning end face

Info

Publication number: CN216977736U
Application number: CN202220472737.3U
Authority: CN
Inventors: 谭用强; 庞培霞; 刘自强; 李相其
Original assignee: Chongqing Yongqiang Machinery Manufacturing Co ltd
Current assignee: Chongqing Yongqiang Machinery Manufacturing Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-15
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses an oil seal measuring tool capable of positioning end face, comprising: the measuring scale comprises a measuring scale main body, a first reference arm and a second reference arm, wherein the first reference arm provided with a first abutting component is arranged at one end of the measuring scale main body; this but oil blanket measuring tool of end face location reduces the error that floating oil seal inside wall complex construction produced when measuring the internal diameter through the setting of first butt subassembly and second butt subassembly, provides the measurement precision, but the different laminating ball portion of optional match when using to the different floating oil seal inner circle structure of adaptation.

Description

Oil seal measuring tool capable of positioning end face

Technical Field

The utility model relates to the field of equipment measuring tools, in particular to an oil seal measuring tool capable of positioning an end face.

Background

The floating oil seal is a mechanical seal and is widely applied to engineering machinery such as cranes, excavators and the like. In the production process of the floating oil seal, the quality inspection measurement needs to be carried out on the diameter of the inner ring of the floating oil seal so as to ensure the quality of the oil seal. The floating oil seal inner side wall is complex in shape, and has a concave part structure and a convex part structure, when the floating oil seal is subjected to quality inspection measurement by using a traditional caliper measuring tool, the measuring tool is difficult to be tightly attached to the inner side wall of the floating oil seal, so that measurement errors are caused, and the inspection quality of the floating oil seal is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil seal measuring tool capable of positioning an end face, which can solve the problem that the traditional measuring tool has errors when the diameter of an inner ring of a floating oil seal is measured.

The utility model provides an oil seal measuring tool capable of positioning end faces, which comprises: the measuring scale comprises a measuring scale main body, a first reference arm and a second reference arm, wherein the first reference arm is arranged at one end of the measuring scale main body, the second reference arm is arranged in the measuring scale main body in a sliding mode, a first butt joint component is arranged at the lower end of the first reference arm, a second butt joint component is arranged at the lower end of the second reference arm, the first butt joint component and the second butt joint component are arranged in a back-to-back mode, the first butt joint component and the second butt joint component respectively comprise a stopping part, an extending part and a laminating ball part, the bottom of the opposite side of the stopping part is provided with the extending part, and the back sides of the two extending parts can be detachably provided with the laminating ball part.

According to the oil seal measuring tool with the end face positioned, the first reference arm and the second reference arm are both provided with the inserting grooves, the abutting portion is provided with the inserting portion, and the inserting portion is inserted into the inserting grooves.

According to the oil seal measuring tool with the end face positioned, the slot is internally provided with the first magnet, the inserting part is provided with the second magnet, and the first magnet and the second magnet are in attraction fit.

According to the oil seal measuring tool with the end face positioned, the outer side wall of the first reference arm and the outer side wall of the second reference arm are both provided with first mounting holes communicated with corresponding slots, and first fastening bolts are arranged in the first mounting holes.

According to the oil seal measuring tool with the end face positioned, the side wall of the inserting portion is provided with the positioning notch, the first mounting hole comprises the sliding cavity and the threaded hole, the sliding cavity and the slot are sequentially communicated, the first fastening bolt is inserted into the threaded hole, the end portion of the first fastening bolt is rotatably provided with the wedge-shaped block matched with the positioning notch in shape, and the wedge-shaped block is arranged in the sliding cavity in a sliding mode.

According to the oil seal measuring tool with the end face positioned, the extending portion is provided with an insertion hole, the attaching ball portion is provided with an insertion rod, and the insertion rod is inserted into the insertion hole.

According to the oil seal measuring tool with the end face positioned, the third magnet is arranged in the jack, the fourth magnet is arranged in the plug-in rod, and the third magnet and the fourth magnet are in attraction fit.

According to the oil seal measuring tool with the end face positioned, the side wall of the inserting rod is provided with an external thread, and the inner side of the inserting hole is provided with an internal thread matched with the external thread.

According to the oil seal measuring tool with the end face positioned, the second reference arm is sleeved on the measuring tool main body, the second reference arm is provided with a second mounting hole, and a second fastening bolt is arranged in the second mounting hole.

According to the oil seal measuring tool with the end face positioned, the measuring tool main body is provided with a scale bar.

Has the advantages that: through the structure, when measuring the internal diameter of the floating oil seal, the abutting part of the first abutting component is abutted to one side end face of the floating oil seal and the laminating ball part is laminated on the inner side wall, the second reference arm is adjusted in a sliding mode, the abutting part of the second abutting component is abutted to the other side end face of the floating oil seal and the laminating ball part is laminated on the corresponding inner side wall, the measurement of the internal diameter of the floating oil seal can be carried out through the measuring scale main body, the oil seal measuring tool capable of positioning the end face can reduce the error generated when the internal diameter is measured by the complex structure of the inner side wall of the floating oil seal through the arrangement of the first abutting component and the second abutting component, the measurement accuracy is provided, when the different internal diameters or different floating oil seals of the floating oil seal are measured, different laminating ball parts can be detached and changed, so that the oil seal is adaptive to the floating oil seals with different structures, and the practicability of the measuring tool is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic diagram of the fitting of the oil seal measuring tool capable of end face positioning and a floating oil seal according to the present invention;

FIG. 2 is a schematic structural diagram of an end-positionable oil seal gauge of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a diagram of one embodiment of an insert in the end-positionable oil seal gauge of the present invention;

FIG. 5 is a diagram of one embodiment of an insert in the end-positionable oil seal gauge of the present invention;

FIG. 6 is a view of an embodiment of a ball fitting portion of the end positionable oil seal gauge of the present invention;

fig. 7 shows an embodiment of a fitting ball portion of the oil seal measuring tool with end face positioning according to the present invention.

In the figure: 1. the measuring tape comprises a measuring tape main body, 2, a first reference arm, 3, a second reference arm, 31, a second fastening bolt, 4, a stop part, 41, an insertion part, 42, a first magnet, 43, a second magnet, 44, a first fastening bolt, 45, a wedge-shaped block, 5, an extension part, 6, a joint ball part, 61, an insertion rod, 611, an external thread, 62, a third magnet, 63, a fourth magnet and 7, and a floating oil seal is arranged between the measuring tape main body and the outer thread.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1-7, a specific embodiment of an end-positionable oil seal gauge is provided, comprising: measuring tape main part 1, first benchmark arm 2 and second benchmark arm 3, first benchmark arm 2 sets up in measuring tape main part 1 one end, second benchmark arm 3 slides and sets up in measuring tape main part 1, first benchmark arm 2 lower extreme is provided with first butt subassembly, 3 lower extremes of second benchmark arm are provided with the second butt subassembly, first butt subassembly sets up dorsad with the second butt subassembly, first butt subassembly all includes only support portion 4 with the second butt subassembly, extension portion 5 and laminating bulb 6, the bottom of two only support portion 4 opposite sides all is provided with extension portion 5, the dorsal part of two extension portions 5 all can be dismantled and be provided with laminating bulb 6.

When the inner diameter of the floating oil seal 7 is measured, the abutting part 4 of the first abutting component is abutted against one side end face of the floating oil seal 7 and the attaching ball part 6 is attached to the inner side wall, the second reference arm 3 is adjusted in a sliding manner, the abutting part 4 of the second abutting component is abutted against the other side end face of the floating oil seal 7 and the attaching ball part 6 is attached to the corresponding inner side wall, the inner diameter of the floating oil seal 7 can be measured through the measuring scale main body 1, the oil seal measuring tool capable of positioning the end face reduces errors generated when the inner wall complex structure of the floating oil seal 7 measures the inner diameter through the arrangement of the first abutting component and the second abutting component, the measuring precision is provided, when the inner diameters of different positions of the floating oil seal 7 or different floating oil seals 7 are measured, different attaching ball parts 6 can be detached and changed, so that the positioning is accurate, the floating oil seal is suitable for floating oil seals 7 with different structures, and the practicability of the measuring tool is improved.

Furthermore, slots are formed in the first reference arm 2 and the second reference arm 3, the abutting portion 4 is provided with an inserting portion 41, the inserting portion 41 can be inserted into the slots, so that the first abutting assembly can be slidably inserted into the first reference arm 2, and the second abutting assembly can be inserted into the second reference arm 3. When measuring, can change different first butt subassembly or second butt subassembly according to the 7 inside wall actual structure of floating oil seal of difference, make the measuring tool carry out the adaptation with the floating oil seal 7 of different models, guarantee the 7 measuring accuracy of floating oil seal, but improve the practicality of end face location's oil blanket measuring tool.

Referring to fig. 4, a first magnet 42 is provided in the slot, a second magnet 43 is provided in the insertion portion 41, and the first magnet 42 and the second magnet 43 are attracted and engaged with each other. The insertion portion 41 is accurately mounted in the slot by the attraction of the first magnet 42 and the second magnet 43, thereby improving the convenience and accuracy of mounting the insertion portion 41.

Referring to fig. 5, further, first mounting holes communicated with the corresponding slots are formed in the outer side wall of the first reference arm 2 and the outer side wall of the second reference arm 3, and first fastening bolts 44 are arranged in the first mounting holes. When the first abutting assembly is inserted into the first reference arm 2 and the second abutting assembly is inserted into the second reference arm 3, the end of the first fastening bolt 44 is abutted to the inserting portion 41 by screwing, so that the inserting portion 41 is further fixed, the phenomenon that the inserting portion 41 is biased to generate a measurement error when in use is avoided, and the measurement accuracy is further improved.

Further, the side wall of the inserting portion 41 is provided with a positioning notch, the first mounting hole comprises a sliding cavity and a threaded hole which are communicated with the insertion slot, the first fastening bolt 44 is inserted into the threaded hole, the end portion of the first fastening bolt 44 is rotatably provided with a wedge block 45 matched with the positioning notch in shape, and the wedge block 45 is slidably arranged in the sliding cavity. After the inserting portion 41 is installed in the slot, the first fastening bolt 44 is screwed to enable the wedge block 45 to be inserted into the positioning notch, positioning is provided for installation of the fitting portion through cooperation of the positioning notch and the wedge block 45, horizontal position inconsistency of a first abutting component installed on the first reference arm 2 and a second abutting component installed on the second reference arm 3 is avoided, accordingly, errors are generated, the firm degree of installation is further improved, and the measuring accuracy is further improved.

Further, be provided with the jack on extension portion 5, laminating ball portion 6 has cartridge pole 61, the jack can be located to cartridge pole 61, so that 6 detachably of laminating ball portion install in extension portion 5, when using the measuring tool to carry out 7 internal diameter measurements of floating oil seal, can select different laminating ball portion 6 according to the concrete structure of 7 indents of floating oil seal, consider the car worker error, the radius of the ball portion 6 of selecting laminating equals or slightly less than 7 indent curved surface radiuses of floating oil seal, so that 7 indents of 6 laminating floating oil seals of laminating ball portion, further reduce the error, improve measuring accuracy.

Referring to fig. 6, a third magnet 62 is disposed in the insertion hole, a fourth magnet 63 is disposed in the insertion rod 61, and the third magnet 62 and the fourth magnet 63 are in attraction fit. The third magnet 62 and the fourth magnet 63 are attracted to each other to accurately attach the insertion rod 61 to the insertion hole, thereby improving the ease and accuracy of attachment of the bonding ball 6.

Referring to fig. 7, the insertion rod 61 has an external thread 611 outside, and an internal thread matching the external thread 611 is provided inside the insertion hole. Install laminating bulb 6 in extension portion 5 through screw-thread fit's form, the installation is firm, avoids laminating bulb 6 to take place the migration, further reduces the error, improves measuring accuracy.

Preferably, the second reference arm 3 is sleeved on the measuring tape main body 1, so that the second reference arm 3 is kept parallel to the first reference arm 2 during relative movement, a second mounting hole is formed in the second reference arm 3, a second fastening bolt 31 is arranged in the second mounting hole, the second fastening bolt 31 is screwed in general, the end part of the second fastening bolt 31 abuts against the measuring tape main body 1, and the second reference arm 3 is fixed, so that the second reference arm 3 is prevented from generating deflection and generating errors during measurement.

Referring to figure 2, in the present invention, the side of the extension 5 on the first abutment assembly and the side of the first reference arm 2 are both aligned up and down with the zero line of the scale bar and the side of the extension 5 on the second abutment assembly is aligned up and down with the side of the second reference arm 3.

When the oil seal gauge capable of positioning the end face is used for measurement, the length measured on the measuring tape main body 1 (namely, the horizontal distance between the side face of the second reference arm 3 and the zero line of the scale bar) is read and recorded as L1, the horizontal distance from one side end part of the first abutting assembly attached with the ball part 6 to the side face of the corresponding extension part 5 is measured in advance and recorded as L2, the horizontal distance from one side end part of the second abutting assembly attached with the ball part 6 to the side face of the corresponding extension part 5 is measured and recorded as L3, and the diameter of an inner ring of the floating oil seal 7 is the sum of L1, L2 and L3.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An oil seal measuring tool capable of being positioned on the end face, which is characterized by comprising: the measuring scale comprises a measuring scale main body (1), a first reference arm (2) and a second reference arm (3), wherein the first reference arm (2) is arranged at one end of the measuring scale main body (1), the second reference arm (3) is arranged in the measuring scale main body (1) in a sliding mode, a first abutting component is arranged at the lower end of the first reference arm (2), a second abutting component is arranged at the lower end of the second reference arm (3), the first abutting component and the second abutting component are arranged in a back-to-back mode, the first abutting component and the second abutting component respectively comprise an abutting part (4), an extending part (5) and a laminating ball part (6), the bottom of the opposite side of the abutting part (4) is provided with the extending part (5), and the back sides of the two extending parts (5) can be detachably provided with the laminating ball part (6).

2. The oil seal measuring tool capable of being positioned at the end face as claimed in claim 1, wherein the first reference arm (2) and the second reference arm (3) are provided with insertion slots, the abutting portion (4) is provided with an insertion portion (41), and the insertion portion (41) is inserted into the insertion slots.

3. An end-face locatable oil seal gauge according to claim 2, wherein a first magnet (42) is disposed in the slot, a second magnet (43) is disposed on the inserting portion (41), and the first magnet (42) and the second magnet (43) are in attraction fit.

4. The oil seal measuring tool capable of positioning the end face as claimed in claim 2, wherein the outer side wall of the first reference arm (2) and the outer side wall of the second reference arm (3) are provided with first mounting holes communicated with the corresponding slots, and the first fastening bolt (44) is arranged in the first mounting holes.

5. The oil seal measuring tool capable of end face positioning according to claim 4, wherein the side wall of the inserting portion (41) is provided with a positioning notch, the first mounting hole comprises a sliding cavity and a threaded hole, the sliding cavity and the slot are sequentially communicated, the first fastening bolt (44) is inserted into the threaded hole, a wedge block (45) matched with the positioning notch in shape is rotatably arranged at the end portion of the first fastening bolt (44), and the wedge block (45) is slidably arranged in the sliding cavity.

6. The end-face locatable oil seal gauge according to claim 1, wherein the extension portion (5) is provided with a socket, the joint ball portion (6) has a plug rod (61), and the plug rod (61) is inserted into the socket.

7. An end-face locatable oil seal gauge according to claim 6, wherein a third magnet (62) is provided in the socket, a fourth magnet (63) is provided in the insertion rod (61), and the third magnet (62) and the fourth magnet (63) are in attraction fit.

8. An end face locatable oil seal gauge as claimed in claim 6, wherein the side wall of the insertion rod (61) has an external thread (611), and the inside of the insertion hole is provided with an internal thread which is matched with the external thread (611).

9. The oil seal measuring tool capable of end face positioning according to claim 1, wherein the second reference arm (3) is sleeved on the measuring tape main body (1), a second mounting hole is formed in the second reference arm (3), and a second fastening bolt (31) is arranged in the second mounting hole.

10. An end face locatable oil seal gauge as claimed in claim 1, wherein the gauge body (1) has a graduated strip thereon.