Snap spring groove testing fixture

Abstract

The utility model discloses a clamp spring groove testing fixture which comprises a base, a detection rod, a left detection block and a right detection block, the left detection block and the right detection block can be arranged on the base in an opening and closing mode, the opposite side faces of the left detection block and the right detection block are provided with a left arc-shaped flange and a right arc-shaped flange respectively, and the left arc-shaped flange and the right arc-shaped flange are used for stretching into a clamp spring groove. A detection hole is defined between the left detection block and the right detection block, a guide head, a qualified section and an unqualified section are sequentially arranged at one end of the detection rod, the maximum diameter of the guide head, the diameter of the qualified section and the diameter of the unqualified section are sequentially increased, the qualified section penetrates through the detection hole, and the unqualified section penetrates through the detection hole. And the left arc-shaped flange, the right arc-shaped flange and the snap spring groove correspond to the same circle center. The detection tool not only can detect whether the diameter of the clamp spring groove is qualified, but also can detect whether the diameter of the clamp spring groove is too small or too large, is complete in function, is higher in precision, is less in detection steps, is simple in operation method, and is higher in detection speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection technical field, especially a detection tool for detecting snap spring groove. BACKGROUND

[0002] The snap spring is also called as the retaining ring or the clasp, is usually arranged in the snap spring groove in the shaft or the mounting hole, and the snap spring is a kind of fastener for fixing the axial movement of component part, such as bearing, gear and sprocket etc. The conventional caliper etc. Detection tool cannot detect and measure the snap spring groove on the inner wall of mounting hole, needs to design exclusive detection tool, and the detection tool at present stage mostly is only whether the size of snap spring groove is small, does not have the function of whether the size of snap spring groove is big, and the existing detection tool structure is relatively complex, is inconvenient to operate, and needs certain operating skill. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in prior art is solved.For this reason, the utility model provides a snap spring groove detection tool, and the function is perfect, and the detection precision is higher.

[0004] According to the snap spring groove detection tool of the utility model embodiment, the left measuring block and the right measuring block are oppositely arranged on the base, and the left arc-shaped flange and the right arc-shaped flange are arranged on the side face of the left measuring block and the right measuring block respectively, the left arc-shaped flange and the right arc-shaped flange are used to extend into the snap spring groove, and the diameter of the left arc-shaped flange and the right arc-shaped flange corresponding is equal to the diameter of the snap spring groove, the detection hole is formed between the left measuring block and the right measuring block, the one end of detection rod is sequentially provided with the guide head, the qualified section and the unqualified section, the maximum diameter of the guide head, the diameter of the qualified section and the diameter of the unqualified section are sequentially increased, the qualified section is arranged in the detection hole, so that the left arc-shaped flange, the right arc-shaped flange and the snap spring groove correspond to the same center.

[0005] At least has the following beneficial effects:

[0006] When using the gauge, first place the base, left test block, and right test block into the mounting hole where the snap ring groove is located, ensuring that the left and right arc-shaped flanges correspond to the positions of the snap ring groove. Then, insert one end of the detection rod into the probe hole. The guide head guides the insertion of one end of the detection rod into the probe hole. During the insertion of the detection rod, the left and right test blocks are spread apart by the detection rod, allowing the left and right arc-shaped flanges to extend into the snap ring groove. When the qualified section can be inserted into the probe hole, and the unqualified section cannot be inserted, it indicates that the diameter of the snap ring groove is qualified. When the qualified section cannot be fully inserted into the probe hole, it indicates that the diameter of the snap ring groove is too small. When the unqualified section can be inserted into the probe hole, it indicates that the diameter of the snap ring groove is too large. The gauge can not only detect whether the diameter of the snap ring groove is qualified, but also whether the diameter of the snap ring groove is too small or too large. It has comprehensive functions, high accuracy, few steps for detecting snap ring grooves, simple operation, no specific operating skills required, and fast detection speed.

[0007] According to some embodiments of this utility model, the shape of the base matches the shape of the bearing fixed by the retaining ring.

[0008] According to some embodiments of this utility model, the opposite sides of the left arc-shaped flange and the right arc-shaped flange are provided with arc surfaces, and the two arc surfaces form the detection hole.

[0009] According to some embodiments of the present invention, the cross-sections of the left and right side blocks are both semi-circular, and both ends of the left and right side blocks are provided with clearance notches.

[0010] According to some embodiments of this utility model, both the left and right side blocks are provided with magnetic parts, and the two magnetic parts attract each other.

[0011] According to some embodiments of the present invention, both the left and right side blocks are connected to the base via a sliding mechanism, so that the left and right side blocks can be opened and closed.

[0012] According to some embodiments of this utility model, both the left and right side blocks are provided with handles.

[0013] According to some embodiments of the present invention, the left side block and the grip are connected in a detachable manner.

[0014] According to some embodiments of the present invention, the grip and the axial direction of the detection hole are parallel to each other.

[0015] According to some embodiments of this utility model, the guide head is tapered.

[0016] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of the application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0018] Figure 1 Structure schematic view of the present application embodiment is shown in the figure;

[0019] Figure 2 Structure schematic view of the present application embodiment is shown in the figure;

[0020] Figure 3 Structure schematic view of the present application embodiment is shown in the figure;

[0021] Figure 4 Structure schematic view of the present application embodiment is shown in the figure;

[0022] Reference signs:

[0023] Base 100, left measuring block 200, left arc flange 210, right measuring block 300, right arc flange 310, detection hole 400, detection rod 500, guide head 510, qualified section 520, unqualified section 530, handle 600. DETAILED DESCRIPTION

[0024] In the description of the present application, it is understood that, if there is a description of the direction, for example, the direction or position relationship of the upper, lower, front, rear, left, right and the like indicated by the drawing is based on the direction or position relationship shown in the drawing, only for the convenience of describing the present application and simplifying the description, and it is not indicated or implied that the device or element must have a specific direction, a specific direction and operation, therefore, it cannot be understood as a limitation of the present application.

[0025] In the description of the present application, if there is a description of the first, second, only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.

[0026] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be understood in a broad sense, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0027] Reference Figures 1 to 4The utility model discloses a clamp spring groove gauge, including base 100, detection rod 500 and can open and shut be equipped with left measuring block 200 and right measuring block 300 on base 100, the side of left measuring block 200 and right measuring block 300 who mutually diverge is equipped with left arc flange 210 and right arc flange 310 respectively, left arc flange 210 and right arc flange 310 are all used for stretching into clamp spring groove, and the diameter of left arc flange 210 and right arc flange 310 corresponding are equal to the diameter of clamp spring groove, and the detection hole 400 is surrounded between left measuring block 200 and right measuring block 300.

[0028] Referring to Figure 1 、 Figure 2 and Figure 4 , one end of detection rod 500 is equipped with guide head 510, eligible section 520 and unqualified section 530 in proper order, and the maximum diameter of guide head 510, the diameter of eligible section 520 and the diameter of unqualified section 530 increase in proper order, and eligible section 520 is threaded in detection hole 400, so that left arc flange 210, right arc flange 310 and clamp spring groove correspond to the same center.

[0029] When the gauge is used, first, base 100, left measuring block 200 and right measuring block 300 are placed in the mounting hole where the clamp spring groove is located, and left arc flange 210 and right arc flange 310 correspond to the position of the clamp spring groove, then one end of detection rod 500 is inserted into detection hole 400, guide head 510 plays a role of guiding the insertion of one end of detection rod 500 into detection hole 400, and in the process of inserting one end of detection rod 500 into detection hole 400, left measuring block 200 and right measuring block 300 are pried open by detection rod 500, so that left arc flange 210 and right arc flange 310 stretch into the clamp spring groove, when eligible section 520 can be inserted into detection hole 400 and unqualified section 530 cannot be inserted into detection hole 400, it indicates that the diameter of the clamp spring groove is qualified, when eligible section 520 cannot be completely inserted into detection hole 400, it indicates that the diameter of the clamp spring groove is too small, and when unqualified section 530 can be inserted into detection hole 400, it indicates that the diameter of the clamp spring groove is too large.

[0030] The gauge not only can detect whether the diameter of the clamp spring groove is qualified, but also can detect whether the diameter of the clamp spring groove is too small or too large, has perfect functions, high precision, fewer steps for detecting the clamp spring groove, simple operation method, no need for specific operation skills, and fast detection speed.

[0031] It can be understood that the other end of detection rod 500 is used for holding by an operator. The other end of detection rod 500 is provided with anti-skid lines, or the outer circular surface of the other end of detection rod 500 is provided with at least one pair of parallel planes. The diameter of the other end of detection rod 500 is greater than the diameter of unqualified section 530.

[0032] The outer surfaces of the guide head 510, the qualified section 520 and the unqualified section 530 and the inner wall of the detection hole 400 are coated with wear-resistant materials, which can slow down the wear of the outer surfaces of the guide head 510, the qualified section 520 and the unqualified section 530 and the inner wall of the detection hole 400, and improve the service life of the detection rod 500, the left detection block 200 and the right detection block 300. Of course, each component can be coated with wear-resistant materials or each component can be made of wear-resistant materials.

[0033] With reference to Figure 1 and Figure 2 In some embodiments, the outer shape of the base 100 matches the outer shape of the bearing fixed by the snap spring. When detecting the snap spring groove, the base 100 can be placed in the area where the bearing is installed in the mounting hole to position the base 100, so that the left arc flange 210 and the right arc flange 310 can be quickly and conveniently aligned with the snap spring groove. Subsequently, one end of the detection rod 500 can be directly inserted into the detection hole 400, and the diameter of the snap spring groove can be detected.

[0034] With reference to Figure 1 and Figure 3 In some embodiments, the opposite sides of the left arc flange 210 and the right arc flange 310 are provided with arc surfaces, and the two arc surfaces enclose the detection hole 400.

[0035] It is conceivable that the radii and arc lengths of the two arc surfaces are equal, that is, the structures of the two arc surfaces are the same. The structures of the left detection block 200 and the right detection block 300 are also the same, and the left detection block 200 and the right detection block 300 can be used interchangeably.

[0036] With reference to Figure 3 In some embodiments, the cross sections of the left detection block 200 and the right detection block 300 are semi-circular, and the two ends of the left detection block 200 and the right detection block 300 are provided with avoiding notches, which can reduce the material and weight of the left detection block 200 and the right detection block 300, and can reduce the interference between the left detection block 200, the right detection block 300 and other components and the inner wall of the mounting hole when the left detection block 200 and the right detection block 300 are operated, thereby improving the convenience of operation and the speed of detection.

[0037] In some embodiments, the left detection block 200 and the right detection block 300 are provided with magnetic parts, and the two magnetic parts attract each other, so that the left detection block 200 and the right detection block 300 are in a state of approaching each other in a natural state, which facilitates the placement of the left detection block 200 and the right detection block 300 in the mounting hole and alignment with the snap spring groove.

[0038] In some embodiments, the left measuring block 200 and the right measuring block 300 are connected to the base 100 through a sliding mechanism, and the left measuring block 200 and the right measuring block 300 can slide on the base 100, adjust the position of the left measuring block 200 and the right measuring block 300 on the base 100, that is, the opening and closing of the left measuring block 200 and the right measuring block 300 can be realized, when the left measuring block 200 and the right measuring block 300 are separated from each other, the left arc-shaped flange 210 and the right arc-shaped flange 310 extend into the snap spring groove, and when the left measuring block 200 and the right measuring block 300 are closed together, the space occupied by the left measuring block 200 and the right measuring block 300 is small, facilitating the placement of the left measuring block 200 and the right measuring block 300 in the mounting hole and facing the snap spring groove.

[0039] Referring to Figures 1 to 3 In some embodiments, a handle 600 is arranged on the left measuring block 200 and the right measuring block 300, and the left measuring block 200 and the right measuring block 300 can be conveniently operated through the handle 600.

[0040] In some embodiments, the left measuring block 200 and the handle 600 are connected in a detachable manner, such as threaded connection or fastener connection.

[0041] In some embodiments, the handle 600 is parallel to the axial direction of the detection hole 400, so that the handle 600 occupies a small space and is convenient to enter and exit the mounting hole.

[0042] It is conceivable that two columnar handles 600 are arranged, and one end of each of the two handles 600 is threadedly connected to the left measuring block 200 and the right measuring block 300, respectively.

[0043] Referring to Figure 2 and Figure 4 In some embodiments, the guide head 510 is conical, and the tip of the guide head 510 can be easily inserted into the detection hole 400, so that the guide head 510 plays a role of guiding the insertion of the detection rod 500 into the detection hole 400.

[0044] The technical features of the above embodiments can be combined in any manner, and in order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0045] Of course, the present application is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A clamp spring slot gauge, characterized by, The utility model relates to a bearing detection device, including: Base (100); Left measuring block (200) and right measuring block (300) can be opened and closed in base (100), the side of left measuring block (200) and right measuring block (300) away from each other is equipped with left arc flange (210) and right arc flange (310) respectively, left arc flange (210) and right arc flange (310) are all used to stretch into the card spring groove, and the diameter of left arc flange (210) and right arc flange (310) corresponding circle is equal to the diameter of card spring groove, and the detection hole (400) is enclosed between left measuring block (200) and right measuring block (300); Detection rod (500), one end is equipped with guide head (510), eligible section (520) and unqualified section (530) in proper order, the maximum diameter of guide head (510), the diameter of eligible section (520) and the diameter of unqualified section (530) increase in proper order, eligible section (520) is equipped in detection hole (400), so that left arc flange (210), right arc flange (310) and card spring groove correspond to the same center.

2. The clip spring slot gauge according to claim 1, wherein The shape of the base (100) matches the shape of the bearing fixed by the card spring.

3. The clip spring slot gauge of claim 1, wherein The opposite sides of the left arc flange (210) and the right arc flange (310) are both provided with arc surfaces, and the two arc surfaces enclose the detection hole (400).

4. The clip slot gauge according to any one of claims 1 to 3, wherein The cross sections of the left measuring block (200) and the right measuring block (300) are both semicircular, and the left measuring block (200) and the right measuring block (300) are both provided with avoiding notches at two ends.

5. The clip spring slot gauge of claim 1, wherein The left measuring block (200) and the right measuring block (300) are both provided with magnetic parts, and the two magnetic parts attract each other.

6. The clip spring slot gauge of claim 1, wherein, The left measuring block (200) and the right measuring block (300) are both connected with the base (100) through sliding mechanisms, so that the left measuring block (200) and the right measuring block (300) can be opened and closed.

7. The clip spring slot gauge of claim 1, wherein The left measuring block (200) and the right measuring block (300) are both provided with handles (600).

8. The clip slot gauge of claim 7, wherein, The left measuring block (200) and the handle (600) are connected in a detachable manner.

9. The clip slot gauge according to claim 7 or 8, wherein The handle (600) and the axial direction of the detection hole (400) are parallel to each other.

10. The clip slot gauge of claim 1, wherein, The guide head (510) is conical.

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