CN212838960U - High-strength wear-resistant positioning block - Google Patents
High-strength wear-resistant positioning block Download PDFInfo
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- CN212838960U CN212838960U CN202021648874.5U CN202021648874U CN212838960U CN 212838960 U CN212838960 U CN 212838960U CN 202021648874 U CN202021648874 U CN 202021648874U CN 212838960 U CN212838960 U CN 212838960U
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- sliding
- limiting step
- annular
- positioning block
- connecting part
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Abstract
The utility model belongs to the technical field of electrical accessories, in particular to a high-strength wear-resistant positioning block, which comprises a hollow positioning block body, wherein the positioning block body is divided into an assembly part and a connecting part, a plurality of assembly holes are arranged on the end surface of the assembly part, a first limit step and a second limit step connected with the first limit step are arranged on the inner wall of the port of the connecting part, and the first limit step and the second limit step are both in an annular structure; the end face of the connecting part is provided with an annular sliding groove which is arranged around the port of the connecting part, and the positioning block body further comprises a sliding part which is arranged on the annular sliding groove in a sliding mode. After the extrusion force is received to sliding part, the reset spring in the connecting portion annular sliding tray compresses gradually to make sliding part slide to connecting portion gradually, after losing extrusion external force, under reset spring's spring action, sliding part slides to keeping away from the connecting portion direction again, and then resets, through setting up sliding part, thereby makes whole locating piece have certain buffering effect, and then improves its life.
Description
Technical Field
The utility model belongs to the technical field of electrical accessories, especially, relate to a wear-resisting locating piece excels in.
Background
The positioning block is a positioning part arranged on the sliding seat of the linear driver, the traditional positioning block is weak in strength and does not have a buffering effect, when the sliding seat slides to the end part of the sliding rail, the surface of the positioning block is easily and quickly abraded by large extrusion force, and the positioning block is easily broken after a long time, so that the positioning block needs to be frequently replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a wear-resisting locating piece that excels in with cushioning effect.
The purpose of the utility model is realized like this: the utility model provides a wear-resisting locating piece excels in, includes hollow locating piece body, its characterized in that: the positioning block body is divided into an assembly part and a connecting part, a plurality of assembly holes are formed in the end face of the assembly part, a first limiting step and a second limiting step connected with the first limiting step are arranged on the inner wall of a port of the connecting part, the first limiting step and the second limiting step are both in annular structures, and the inner diameters of the first limiting step, the second limiting step and the connecting part are sequentially increased; the locating piece body is characterized in that an annular sliding groove which is formed around a port of the connecting portion is formed in the end face of the connecting portion, the locating piece body further comprises a sliding portion which is arranged on the annular sliding groove in a sliding mode, the sliding portion comprises a sliding ring with one end arranged in the annular sliding groove and a wear-resisting portion which is arranged outside the annular sliding groove, one end of the wear-resisting portion is arranged at the bottom of the annular sliding groove, and the other end of the wear-resisting portion is arranged on the sliding ring.
Through adopting the above-mentioned technical scheme, the assembly portion plays fixed effect, connecting portion then play spacing effect, for the life who improves the locating piece, to this the utility model discloses still be provided with the sliding part that slides and set up on connecting portion, through sliding part and slide rail tip direct contact, at the in-process of contact, after the sliding part receives the extrusion force, reset spring in the connecting portion annular sliding tray compresses gradually, thereby make the sliding part slide to connecting portion gradually, and then play the effect of buffering, after losing extrusion external force, under reset spring's spring action, the sliding part slides to keeping away from the connecting portion direction again, and then resets, through setting up the sliding part, thereby make whole locating piece have certain buffering effect, and then improve its life.
The utility model discloses further set up to: and a buffer body made of rubber material is arranged between the wear-resisting part and the sliding ring.
Through adopting above-mentioned technical scheme, set up the buffering body between wear-resisting portion and slip ring, at the sliding part to connecting portion slip in-process, the buffering body receives the extrusion back of wear-resisting portion and connecting portion tip, takes place deformation, through this deformation to further improve the buffering effect of locating piece.
The utility model discloses further set up to: the buffer body is of a hemispherical structure, the end face of the buffer body faces the connecting part, and the end face of the buffer body is further provided with a buffer groove.
Through adopting above-mentioned technical scheme, offer the dashpot on the buffer body to increase the deformability of buffer body.
The utility model discloses further set up to: the assembly holes are uniformly distributed along the circumferential direction.
Through adopting above-mentioned technical scheme, with the pilot hole along circumference direction evenly distributed setting to improve the joint strength of assembly portion and sliding seat.
The utility model discloses further set up to: the end surface area of the assembling portion is larger than that of the connecting portion.
Through adopting above-mentioned technical scheme, through the area of contact of increase assembly portion and sliding seat, and then improve the joint strength between the improvement two.
The utility model discloses further set up to: the assembly part and the connecting part are of an integrated structure and are made of POM plastics; the sliding part is made of POM plastic.
By adopting the technical scheme, the POM is the polyformaldehyde resin and has the characteristics of high hardness, high rigidity and high wear resistance, so that the positioning block is made of POM plastic.
The utility model has the advantages that: the utility model discloses be provided with the sliding part that the slip set up on connecting portion, through sliding part and slide rail tip direct contact, at the in-process of contact, the sliding part receives the extrusion force after, reset spring in the connecting portion annular sliding tray compresses gradually, thereby make the sliding part slide gradually to connecting portion, and then play the effect of buffering, after losing extrusion external force, under reset spring's spring action, the sliding part slides to keeping away from the connecting portion direction again, and then resets, through setting up the sliding part, thereby make whole locating piece have certain buffering effect, and then improve its life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
the reference numbers in the figures are: 1. a positioning block body; 2. an assembling portion; 21. an assembly hole; 3. a connecting portion; 31. a first limit step; 32. a second limit step; 33. an annular sliding groove; 34. a return spring; 4. a sliding part; 41. a slip ring; 42. a wear-resistant portion; 5. a buffer body; 51. a buffer tank.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a high-strength wear-resistant positioning block is shown in figures 1 and 2 and comprises a hollow positioning block body 1, wherein the positioning block body 1 is divided into an assembly part 2 and a connecting part 3 which are integrated and made of POM plastic;
a plurality of assembling holes 21 are formed in the end face of the matching part, the assembling holes 21 are uniformly distributed along the circumferential direction so as to improve the assembling strength of the matching part, a first limiting step 31 and a second limiting step 32 connected with the first limiting step 31 are arranged on the inner wall of the port of the connecting part 3, the first limiting step 31 and the second limiting step 32 are both in an annular structure, and the inner diameters of the first limiting step 31, the second limiting step 32 and the connecting part 3 are sequentially increased;
the end face of the connecting part 3 is provided with an annular sliding groove 33 formed around the port of the connecting part, the positioning block body 1 further comprises a sliding part 4 arranged on the annular sliding groove 33 in a sliding mode, the sliding part 4 is made of POM plastics, the sliding part 4 comprises a sliding ring 41 with one end arranged in the annular sliding groove 33 and a wear-resistant part 42 positioned outside the annular sliding groove 33, one end of the sliding ring 33 is arranged at the bottom of the annular sliding groove 33, and the other end of the sliding ring 41 is provided with a return spring 34.
As shown in fig. 2, a buffer 5 made of rubber is further disposed between the wear-resistant portion 42 and the sliding ring 41. Through set up buffer 5 between wear-resisting portion 42 and slip ring 41, in the sliding part 4 to connecting portion 3 slip in-process, buffer 5 receives the extrusion back of wear-resisting portion 42 and connecting portion 3 tip, takes place deformation, through this deformation to further improve the buffering effect of locating piece.
Preferably, the buffer body 5 is a hemispherical structure, the end surface of the buffer body 5 faces the connecting portion 3, and the end surface of the buffer body 5 is further provided with a buffer groove 51. The cushion body 5 is provided with a cushion groove 51 to increase the deformability of the cushion body 5.
Preferably, the area of the end face of the fitting portion 2 is larger than the area of the end face of the connecting portion 3. The contact area between the assembling part 2 and the sliding seat is increased, so that the connection strength between the assembling part and the sliding seat is improved.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a wear-resisting locating piece excels in, includes hollow locating piece body (1), its characterized in that: the positioning block body (1) is divided into an assembly part (2) and a connecting part (3), a plurality of assembly holes (21) are formed in the end face of the assembly part (2), a first limiting step (31) and a second limiting step (32) connected with the first limiting step (31) are formed in the inner wall of a port of the connecting part (3), the first limiting step (31) and the second limiting step (32) are both in an annular structure, and the inner diameters of the first limiting step (31), the second limiting step (32) and the connecting part (3) are sequentially increased; the locating piece body (1) is characterized in that an annular sliding groove (33) formed around a port of the connecting portion is formed in the end face of the connecting portion (3), the locating piece body further comprises a sliding portion (4) arranged on the annular sliding groove (33) in a sliding mode, the sliding portion (4) comprises a sliding ring (41) with one end arranged in the annular sliding groove (33) and a wear-resisting portion (42) located outside the annular sliding groove (33), one end of the sliding portion is arranged at the bottom of the annular sliding groove (33), and the other end of the sliding portion is arranged on a return spring (34) on the sliding ring (41).
2. A high strength wear resistant locating block as claimed in claim 1, wherein: a buffer body (5) made of rubber material is arranged between the wear-resisting part (42) and the sliding ring (41).
3. A high strength wear resistant locating block as claimed in claim 2, wherein: the buffer body (5) is of a hemispherical structure, the end face of the buffer body faces the connecting part (3), and a buffer groove (51) is further formed in the end face of the buffer body (5).
4. A high strength wear resistant locating block as claimed in claim 1, wherein: the assembly holes (21) are uniformly distributed along the circumferential direction.
5. A high strength wear resistant locating block as claimed in claim 1, wherein: the end surface area of the assembling part (2) is larger than that of the connecting part (3).
6. A high strength wear resistant locating block as claimed in claim 1, wherein: the assembly part (2) and the connecting part (3) are of an integral structure and are made of POM plastics.
7. A high strength wear resistant locating block as claimed in claim 1, wherein: the sliding part (4) is made of POM plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648874.5U CN212838960U (en) | 2020-08-10 | 2020-08-10 | High-strength wear-resistant positioning block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648874.5U CN212838960U (en) | 2020-08-10 | 2020-08-10 | High-strength wear-resistant positioning block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838960U true CN212838960U (en) | 2021-03-30 |
Family
ID=75132514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021648874.5U Active CN212838960U (en) | 2020-08-10 | 2020-08-10 | High-strength wear-resistant positioning block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838960U (en) |
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2020
- 2020-08-10 CN CN202021648874.5U patent/CN212838960U/en active Active
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