CN214771593U - Nickel plating protection clamp - Google Patents
Nickel plating protection clamp Download PDFInfo
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- CN214771593U CN214771593U CN202121190083.7U CN202121190083U CN214771593U CN 214771593 U CN214771593 U CN 214771593U CN 202121190083 U CN202121190083 U CN 202121190083U CN 214771593 U CN214771593 U CN 214771593U
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- tooth
- sleeve
- shaped elastic
- protective sleeve
- inner hole
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Abstract
A nickel plating protection clamp comprises a tooth-shaped elastic protection sleeve, a thread taper sleeve, a taper sleeve and a fixing plate; the tooth-shaped elastic protective sleeve is provided with an inner hole, and the outer circle of the tooth-shaped elastic protective sleeve is matched with the shape of the inner hole at the small end; the thread taper sleeve comprises a rod body with an external thread at one end and a conical end, and the diameter of the rod body is smaller than the aperture of an inner hole of the tooth-shaped elastic protective sleeve; the thread taper sleeve penetrates through an inner hole of the tooth-shaped protective sleeve, and a gap is reserved between the rod body and the inner hole of the tooth-shaped elastic protective sleeve; the taper sleeve is sleeved on the rod body of the taper thread sleeve and is embedded into the gap, and the conical surface of the taper sleeve is abutted against the left end of the tooth-shaped elastic protective sleeve; the fixing plate is connected with the external thread on the body of the threaded taper sleeve through a threaded hole. The tooth-shaped elastic protective sleeve ensures that the parts are not damaged due to extrusion. The two conical parts of the tooth-shaped elastic protective sleeve for extrusion can extrude the two ends of the tooth-shaped elastic protective sleeve, so that the two ends of the tooth-shaped elastic protective sleeve can completely block the non-nickel-plated area of the inner hole of the small end.
Description
Technical Field
The utility model belongs to a production frock specifically is a nickel plating protection anchor clamps.
Background
As shown in fig. 1, the part 1 has two sections of outside diameter that are not of uniform size. The part 1 has a through bore and the inner bore diameter corresponding to the large outer diameter is larger than the inner bore diameter corresponding to the small outer diameter. For convenience of description, one end of the large outer diameter is referred to as a large end 2, and one end of the small outer diameter is referred to as a small end 3. The inner walls of the large end 2 and the small end 3 are provided with splines. The part 1 needs nickel plating, and the requirements on the nickel plating are as follows: the large end 1 bore, splines and the entire outer circumference of the part 1 need to be nickel plated, but plating is not allowed in the small end bore 3-1 and splines 4. Since the nickel plated area of the inner bore of the component 1 is communicated with the non-nickel plated area, nickel plating protection must be provided.
However, in the existing protection mode, only the bolt is arranged in the inner hole 3-1 of the small end and the spline 4, and the area needing to be protected is blocked by the gaskets at the two ends of the bolt. The protection method and the corresponding tool have the following problems: because the material of bolt itself is hard, and the spline of tip hole is hard material equally, not only causes the damage to the spare part easily, can't guarantee the leakproofness at the laminating position moreover in the shutoff process, causes the bath seepage easily when the nickel plating.
Because the nickel plating that current frock caused is unreliable, lead to the part serious corrosion or the cladding material appears in the non-nickel plating district. So that the processing qualification rate of the part is low. Parts are scrapped due to corrosion or excessive repair times, which causes a great amount of economic loss.
Disclosure of Invention
In view of this, the utility model provides a nickel plating protection anchor clamps improves the degree of reliability to the shutoff of non-nickel plating district, avoids the damage that causes part itself simultaneously.
The utility model adopts the technical proposal that: a nickel plating protection clamp is characterized in that: comprises a tooth-shaped elastic protective sleeve, a thread taper sleeve, a taper sleeve and a fixed plate; the outer circle of the tooth-shaped elastic protection sleeve is matched with the shape of the inner hole of the small end, and the tooth-shaped elastic protection sleeve is provided with an inner hole; the threaded taper sleeve comprises a rod body and a tapered end at one end of the rod body, the other end of the rod body is provided with external threads, and the diameter of the rod body is smaller than the aperture of an inner hole of the tooth-shaped elastic protective sleeve; the thread taper sleeve penetrates through an inner hole of the tooth-shaped protective sleeve, the conical surface of the conical end abuts against the right end of the tooth-shaped elastic protective sleeve, the rod body with the external thread penetrates out of the left end of the tooth-shaped protective sleeve, and a gap is reserved between the rod body and the inner hole of the tooth-shaped elastic protective sleeve; the taper sleeve is sleeved on the rod body of the taper thread sleeve and is embedded into the gap, and the conical surface of the taper sleeve is abutted against the left end of the tooth-shaped elastic protective sleeve; the fixing plate is provided with a threaded hole and is connected with the external thread on the rod body of the threaded taper sleeve through the threaded hole.
Furthermore, the length of the tooth-shaped elastic protection sleeve is greater than that of the small-end inner hole, and two ends of the tooth-shaped elastic protection sleeve respectively extend out of two ends of the small-end inner hole.
Further, the tooth-shaped elastic protective sleeve is a tooth-shaped silica gel protective sleeve.
Furthermore, a hanging hole for connecting an external hanging tool is formed in the fixing plate.
The utility model has the advantages that: the tooth-shaped elastic protective sleeve matched with the inner hole of the small end is arranged, so that the parts are prevented from being damaged due to extrusion in the installation and plugging processes. In addition, two extrusion are with the toper part of profile of tooth elastic protection cover, one is the toper end of screw thread taper sleeve, and another is the taper sleeve, through the tight of fixed plate and screw thread taper sleeve pole body for two toper parts can extrude the both ends of profile of tooth elastic protection cover, and then make the both ends of profile of tooth elastic protection cover implement complete shutoff to the non-nickel plating district of tip hole.
Drawings
FIG. 1 is a schematic structural diagram of a part to be plated with nickel.
Fig. 2 is a schematic structural diagram of the plugging part of the present invention.
Fig. 3 is a schematic structural view of the tooth-shaped elastic protection sleeve of the present invention.
Fig. 4 is a schematic structural view of the middle screw taper sleeve of the present invention.
Fig. 5 is a schematic structural view of the middle taper sleeve of the present invention.
Fig. 6 is a schematic structural diagram of the middle fixing plate of the present invention.
In the figure: 1. the part comprises 2 parts, a large end, 3 parts, a small end, 3-1 parts, a small end inner hole, 4 parts, a spline, 5 parts, a tooth-shaped elastic protective sleeve, 5-1 parts of an inner hole, 5-2 parts of a tooth shape, 6 parts of a threaded taper sleeve, 6-1 parts of a conical end, 6-2 parts of a rod body, 6-3 parts of an external thread, 7 parts of a taper sleeve, 7-1 parts of a through hole, 8 parts of a fixing plate, 8-1 parts of a threaded hole, 8-2 parts of a hanging hole.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2, a nickel plating protection clamp includes a tooth-shaped elastic protection sleeve 5, a threaded taper sleeve 6, a taper sleeve 7 and a fixing plate 8. As shown in figure 3, the shape of the excircle of the tooth-shaped elastic protection sleeve 5 is matched with the shape of the small-end inner hole 3-1, and a tooth shape 5-2 which can be meshed with the small-end inner hole 3-1 is arranged at the position of the spline 4. The tooth-shaped elastic protection sleeve 5 is provided with a through inner hole 5-1. The length of the tooth-shaped elastic protection sleeve 5 is greater than that of the small-end inner hole 3-1. That is, after engaging with the small-end inner hole 3-1, two ends of the tooth-shaped elastic protection sleeve 5 respectively extend out of two ends of the small-end inner hole 3-1. The tooth-shaped elastic protective sleeve 5 can be made of silica gel, namely a tooth-shaped 5-2 silica gel protective sleeve.
As shown in figure 4, the thread taper sleeve 6 comprises a rod body 6-2 and a taper end 6-1 positioned at one end of the rod body 6-2, and the outer circle of the other end of the rod body 6-2 is provided with an external thread 6-3. The diameter of the shaft body 6-2 is smaller than the aperture of the inner hole 5-1 of the tooth-shaped elastic protective sleeve 5, and a gap is reserved between the shaft body 6-2 and the inner hole 5-1. The thread taper sleeve 6 penetrates from the right end of the tooth-shaped elastic protection sleeve 5, the conical surface of the conical end 6-1 is abutted against the end part of the tooth-shaped elastic protection sleeve 5, and the end with the external thread 6-3 penetrates out from the left end of the tooth-shaped elastic protection sleeve 5.
As shown in fig. 5, the taper sleeve 7 is provided with a through hole 7-1. The taper sleeve 7 is sleeved on the rod body 6-2 at one end of the threaded taper sleeve 6 with the external thread 6-3, and the taper sleeve 7 is embedded in a gap between the rod body 6-2 and the inner hole 5-1. The conical surface of the taper sleeve 7 is pressed against the left end of the tooth-shaped elastic protection sleeve 5. It should be noted that the external thread 6-3 of the threaded taper sleeve 6 and the shaft 6-2 extend out of the bottom end of the taper sleeve 7.
As shown in fig. 6, the fixing plate 8 is provided with a screw hole 8-1. The fixing plate 8 is connected with the external thread 6-3 of the thread taper sleeve 6 through the thread hole 8-1. When the fixing plate 8 is screwed, the taper ends 6-1 of the taper sleeve 7 and the thread taper sleeve 6 simultaneously extrude the left end and the right end of the tooth-shaped elastic protection sleeve 5, so that the tooth-shaped elastic protection sleeve 5 can reliably block the non-nickel-plated area. The fixing plate 8 is provided with a hanging hole 8-2, and the hanging hole 8-2 can be used for hanging the part 1 on a hanging tool, so that the nickel plating defect caused by the fact that the part 1 contacts the hanging tool is avoided.
As shown in fig. 2, the utility model discloses a use method is: the tooth-shaped elastic protection sleeve 5 is sleeved in the small end inner hole 3-1, and the tooth shape 5-2 on the tooth-shaped elastic protection sleeve 5 is meshed with the spline 4 in the small end inner hole 3-1. The thread taper sleeve 6 is arranged in an inner hole 5-1 of the tooth-shaped elastic protection sleeve 5 from the large end 2, the conical end 6-1 of the thread taper sleeve 6 is abutted against the right end of the tooth-shaped elastic protection sleeve 5, and the external thread 6-3 on the rod body 6-2 of the thread taper sleeve 6 extends out from the left end of the tooth-shaped elastic protection sleeve 5. The taper sleeve 7 is sleeved on the shaft body 6-2 of the threaded taper sleeve 6 and is embedded into a gap between the shaft body 6-2 and the inner hole 5-1 of the tooth-shaped elastic protection sleeve 5. And finally, connecting and screwing the fixing plate 8 with the external thread 6-3 on the rod body 6-2 through the threaded hole 8-1, wherein two ends of the tooth-shaped elastic protective sleeve 5 extrude and plug two ends of the small end 3, so that the aim of reliably plugging a non-nickel-plated area is fulfilled.
Claims (4)
1. A nickel plating protection clamp is characterized in that: comprises a tooth-shaped elastic protective sleeve, a thread taper sleeve, a taper sleeve and a fixed plate; the outer circle of the tooth-shaped elastic protection sleeve is matched with the shape of the inner hole of the small end, and the tooth-shaped elastic protection sleeve is provided with an inner hole; the threaded taper sleeve comprises a rod body and a tapered end at one end of the rod body, the other end of the rod body is provided with external threads, and the diameter of the rod body is smaller than the aperture of an inner hole of the tooth-shaped elastic protective sleeve; the thread taper sleeve penetrates through an inner hole of the tooth-shaped protective sleeve, the conical surface of the conical end abuts against the right end of the tooth-shaped elastic protective sleeve, the rod body with the external thread penetrates out of the left end of the tooth-shaped protective sleeve, and a gap is reserved between the rod body and the inner hole of the tooth-shaped elastic protective sleeve; the taper sleeve is sleeved on the rod body of the taper thread sleeve and is embedded into the gap, and the conical surface of the taper sleeve is abutted against the left end of the tooth-shaped elastic protective sleeve; the fixing plate is provided with a threaded hole and is connected with the external thread on the rod body of the threaded taper sleeve through the threaded hole.
2. A nickel plating protection jig according to claim 1, characterized in that: the length of the tooth-shaped elastic protection sleeve is greater than that of the small-end inner hole, and two ends of the tooth-shaped elastic protection sleeve respectively extend out of two ends of the small-end inner hole.
3. A nickel plating protection jig according to claim 1, characterized in that: the tooth-shaped elastic protective sleeve is a tooth-shaped silica gel protective sleeve.
4. A nickel plating protection jig according to claim 1, characterized in that: and the fixed plate is provided with a hanging hole for connecting an external hanging tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121190083.7U CN214771593U (en) | 2021-05-31 | 2021-05-31 | Nickel plating protection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121190083.7U CN214771593U (en) | 2021-05-31 | 2021-05-31 | Nickel plating protection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214771593U true CN214771593U (en) | 2021-11-19 |
Family
ID=78699228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121190083.7U Active CN214771593U (en) | 2021-05-31 | 2021-05-31 | Nickel plating protection clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214771593U (en) |
-
2021
- 2021-05-31 CN CN202121190083.7U patent/CN214771593U/en active Active
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