CN213108040U - High-temperature base screw rod - Google Patents
High-temperature base screw rod Download PDFInfo
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- CN213108040U CN213108040U CN202021390797.8U CN202021390797U CN213108040U CN 213108040 U CN213108040 U CN 213108040U CN 202021390797 U CN202021390797 U CN 202021390797U CN 213108040 U CN213108040 U CN 213108040U
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- tooth bar
- tooth
- connecting rod
- ring
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Abstract
The utility model discloses a high temperature base lead screw mainly includes: a tooth bar main body and a tooth bar connecting rod; the tooth bar connecting rod is characterized in that one end of the tooth bar main body is provided with a thread group, the other end of the tooth bar main body is provided with a dovetail groove, one end of the tooth bar connecting rod is provided with a convex tooth, the other end of the tooth bar connecting rod is provided with a connecting piece, one end of the convex tooth of the tooth bar is embedded with one end of the dovetail groove of the tooth bar main body, and a gap is reserved between the convex tooth. The utility model discloses a sectional type structure to be connected with protruding tooth through the dovetail for the tooth pole processing degree of difficulty reduces, does to keep away the sky at the dovetail junction and eliminates the tolerance that accumulates, and it is balanced smooth and easy to rotate during feasible production, makes tooth pole tolerance of beating reduce through reducing tooth pole main part length, and is fixed through adopting the adjusting sleeve, avoids tooth pole junction to rock, makes the utility model has the characteristics of difficult card is dun, the tolerance of beating is low and do not influence production efficiency.
Description
Technical Field
The utility model relates to a technical field is made to the lead screw, and more specifically the saying so relates to a high temperature base lead screw.
Background
When traditional lens cone injection moulding, the mould is warm in the mould production, the lead screw is rotatory under the drive of gear when the mould opening, because the mould is warm, tooth pole and mold insert inflation, the beat tolerance of tooth pole leads to the card to pause the phenomenon of burning dead frequently to take place in addition to assembly tolerance, very big increase manufacturing cost, the lead screw causes the card to pause in the high temperature swing, frequently change the part and make manufacturing cost rise production efficiency reduce, simultaneously, lead screw length is longer, the swing range is bigger, cause the product bad, influence production efficiency.
Therefore, how to provide a screw rod which is not easy to clamp and does not influence the production efficiency is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a difficult card is dunked, does not influence production efficiency's a high temperature base lead screw moreover.
In order to achieve the above object, the present invention provides the following technical solutions, which mainly include: a tooth bar main body and a tooth bar connecting rod; the tooth bar connecting rod is characterized in that one end of the tooth bar main body is provided with a thread group, the other end of the tooth bar main body is provided with a dovetail groove, one end of the tooth bar connecting rod is provided with a convex tooth, the other end of the tooth bar connecting rod is provided with a connecting piece, one end of the convex tooth of the tooth bar is embedded with one end of the dovetail groove of the tooth bar main body, and a gap is reserved between the convex tooth.
Preferably, in the above high-temperature base screw rod, the screw rod body and the screw rod connecting rod are made of high-temperature resistant materials.
Preferably, in the high-temperature base screw rod, the length of the screw rod main body is smaller than that of the screw rod connecting rod.
Preferably, in the above high-temperature base screw rod, an adjusting sleeve is arranged at a joint of the screw rod main body and the screw rod connecting rod, wherein the adjusting sleeve is composed of an outward-turning sleeve and a lower base.
Preferably, in above-mentioned high temperature base lead screw, the base divide into base body and external screw thread body down, and the peripheral girth top of base body is equipped with a plurality of recesses, and external screw thread body and base body integrated into one piece, and the base is inside to be equipped with the through-hole down.
Preferably, in above-mentioned high temperature base lead screw, the external rotation sleeve comprises flexible subassembly and internal thread subassembly two parts, and the bottom of flexible subassembly is located to the internal thread subassembly, flexible subassembly comprises top ring, end ring, receipts body ring and deformation column strip, top ring, receipts body ring, end ring set gradually from top to bottom in the external rotation sleeve, and the external periphery of top ring and end ring closely laminates the internal face at external rotation sleeve, the both ends of deformation column strip are connected with top ring, end ring respectively, deformation column strip is inside convex structure to be equipped with on it and receive the body ring and prevent scraping the cover, prevent scraping the cover and contact with receiving the body ring.
Preferably, in above-mentioned high temperature base lead screw, the internal thread subassembly sets up the bottom at end ring, and the outer wall equipartition of internal thread subassembly has at least three vertical recess, and the telescopic internal face equipartition of external rotation has at least three vertical bead, and the quantity of vertical bead and the quantity looks adaptation of vertical recess, and all vertical beads set up with vertical recess one-to-one, and every vertical bead all can reciprocate ground joint in corresponding vertical recess, and like this, the internal thread subassembly can be fixed in external rotation sleeve with reciprocating, and the outer wall laminating of internal thread subassembly is at external rotation telescopic internal face.
Preferably, in the high-temperature base screw rod, the bottom of the external rotation sleeve is provided with a plurality of convex teeth, and the number and the position of the convex teeth correspond to those of the grooves on the lower base.
According to the above technical scheme, compare with prior art, the utility model discloses a high temperature base lead screw, the utility model discloses a sectional type structure to be connected with protruding tooth through the dovetail for the tooth pole processing degree of difficulty reduces, does to keep away the sky at the dovetail junction and eliminates accumulation tolerance, makes when producing to rotate balanced smooth and easy, makes tooth pole tolerance of beating reduce through reducing tooth pole main part length, makes the utility model has the characteristics of difficult card is dun, the tolerance of beating is low and do not influence production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a detailed structure of the joint of the present invention.
Fig. 3 is a schematic view of the sectional structure of the adjusting sleeve according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, which are high temperature base screws disclosed in the present invention.
The utility model discloses, mainly include: a tooth bar main body 1 and a tooth bar connecting rod 2; wherein, tooth pole main part 1 one end is equipped with screw thread group 12, and the other end is equipped with dovetail 11, 2 one end of tooth pole connecting rod is equipped with protruding tooth 21, and the other end is equipped with connecting piece 22, the gomphosis of the 11 one end in dovetail of 21 one end and the tooth pole main part 1 of protruding tooth of tooth pole mutually, and has the clearance between protruding tooth 21 and the dovetail 11.
In order to further optimize the technical scheme, the tooth rod main body 1 and the tooth rod connecting rod 2 are made of high-temperature-resistant materials.
In order to further optimize the technical scheme, the length of the tooth bar main body 1 is smaller than that of the tooth bar connecting rod 2, so that the shaking of the tooth bar main body 1 is reduced.
In order to further optimize the solution described above, the connecting piece 22 is connected to the mould.
In order to further optimize the technical scheme, the tooth rod is divided into 2 sections and connected through the dovetail grooves 11, so that the processing difficulty of the tooth rod is greatly reduced, the verticality and the concentricity are guaranteed, the jumping tolerance of the tooth rod is reduced, in addition, a gap is arranged at the joint of the dovetail grooves 11, the assembly tolerance is eliminated, and the rotation is balanced and smooth in production.
In order to further optimize the technical scheme, an adjusting sleeve 3 is arranged at the joint of the tooth bar main body 1 and the tooth bar connecting rod 2, wherein the adjusting sleeve 3 is composed of an outward rotating sleeve 31 and a lower base 32.
In order to further optimize the above technical solution, the lower base 32 is divided into two parts, namely a base body 324 and an external thread body 321, the top end of the periphery of the base body 324 is provided with a plurality of grooves 323, the external thread body 321 and the base body 324 are integrally formed, and the lower base 32 is internally provided with a through hole 322.
In order to further optimize the above technical solution, the external rotation sleeve 31 is composed of two parts, namely an expansion component 318 and an internal thread component 316, the internal thread component 316 is arranged at the bottom of the expansion component 318, the expansion component 318 is composed of a top ring 311, a bottom ring 315, a body-folding ring 314 and a deformation columnar strip 312, the top ring 311, the body-folding ring 314 and the bottom ring 315 are sequentially arranged in the external rotation sleeve 31 from top to bottom, the outer circumferential surfaces of the top ring 311 and the bottom ring 315 are tightly attached to the inner wall surface of the external rotation sleeve 31, two ends of the deformation columnar strip 312 are respectively connected with the top ring 311 and the bottom ring 315, the deformation columnar strip 312 is of an inward convex structure and is provided with the body-folding ring 314 and a scratch-proof sleeve 313, and the scratch-proof sleeve 313 is in contact with the body-folding ring 314.
In order to further optimize the technical scheme, the internal thread component 316 is arranged at the bottom end of the bottom ring 315, at least three vertical grooves are uniformly distributed on the outer wall surface of the internal thread component 316, at least three vertical convex ribs are uniformly distributed on the inner wall surface of the external rotation sleeve 31, the number of the vertical convex ribs is matched with the number of the vertical grooves, all the vertical convex ribs and the vertical grooves are arranged in a one-to-one correspondence manner, each vertical convex rib can be clamped in the corresponding vertical groove in a vertically moving manner, so the internal thread component 316 can be fixed in the external rotation sleeve 31 in a vertically moving manner, and the outer wall surface of the internal thread component 316 is attached to the inner wall surface of the external.
In order to further optimize the above technical solution, the bottom of the external rotation sleeve 31 is provided with a plurality of convex teeth 317, and the number and the position of the convex teeth 317 correspond to the grooves 323 on the lower base 32.
In order to further optimize the technical scheme, the tooth bar main body 1 is connected with the tooth bar connecting rod 2 and is limited in the outward-rotating sleeve 31 through the through hole 322 of the lower base 32, the outward-rotating sleeve is screwed inwards, the outward-rotating body 321 is lifted to press the deformed cylindrical strip 321 to deform inwards, the tooth bar is clamped, and the outward-rotating sleeve 31 is pulled downwards at the moment, so that the convex teeth 317 of the outward-rotating sleeve are meshed with the grooves 323 on the base 324, and double locking is realized.
In order to further optimize the technical scheme, all components in the adjusting sleeve 3 are made of high-temperature-resistant materials.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a high temperature base lead screw which characterized in that mainly includes: a tooth bar main body and a tooth bar connecting rod; the tooth bar connecting rod is characterized in that one end of the tooth bar main body is provided with a thread group, the other end of the tooth bar main body is provided with a dovetail groove, one end of the tooth bar connecting rod is provided with a convex tooth, the other end of the tooth bar connecting rod is provided with a connecting piece, one end of the convex tooth of the tooth bar is embedded with one end of the dovetail groove of the tooth bar main body, and a gap is reserved between the convex tooth.
2. The high-temperature base screw according to claim 1, wherein the screw body and the screw connecting rod are made of high-temperature resistant materials.
3. The high temperature pedestal screw according to claim 1, wherein the length of the screw body is less than the length of the screw connecting rod.
4. The high-temperature base screw rod according to claim 1, wherein an adjusting sleeve is arranged at the joint of the screw rod main body and the screw rod connecting rod, wherein the adjusting sleeve is composed of an outward rotating sleeve and a lower base.
5. The high-temperature base screw according to claim 4, wherein the lower base is divided into a base body and an external thread body, the peripheral top end of the base body is provided with a plurality of grooves, the external thread body is integrally formed with the base body, and the lower base is internally provided with a through hole.
6. The high-temperature base lead screw of claim 4, characterized in that the outward-rotating sleeve is composed of two parts, namely a telescopic component and an internal thread component, the internal thread component is arranged at the bottom of the telescopic component, the telescopic component is composed of a top ring, a bottom ring, a body-folding ring and a deformation columnar strip, the top ring, the body-folding ring and the bottom ring are sequentially arranged in the outward-rotating sleeve from top to bottom, the outer circumferential surfaces of the top ring and the bottom ring are tightly attached to the inner wall surface of the outward-rotating sleeve, two ends of the deformation columnar strip are respectively connected with the top ring and the bottom ring, the deformation columnar strip is of an inward convex structure and is provided with the body-folding ring and a scratch-proof sleeve, and the scratch-proof sleeve is in contact with the body-folding ring.
7. The high-temperature base screw rod according to claim 6, wherein the internal thread assembly is arranged at the bottom end of the bottom ring, at least three vertical grooves are uniformly distributed on the outer wall surface of the internal thread assembly, at least three vertical convex ribs are uniformly distributed on the inner wall surface of the external rotation sleeve, the number of the vertical convex ribs is matched with that of the vertical grooves, all the vertical convex ribs and the vertical grooves are arranged in a one-to-one correspondence manner, each vertical convex rib can be clamped in the corresponding vertical groove in a vertically-movable manner, so that the internal thread assembly can be fixed in the external rotation sleeve in a vertically-movable manner, and the outer wall surface of the internal thread assembly is attached to the inner wall surface of the external rotation sleeve.
8. The high temperature base screw according to claim 4, wherein the bottom of the external rotation sleeve is provided with a plurality of convex teeth, and the number and the position of the convex teeth correspond to those of the grooves on the lower base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390797.8U CN213108040U (en) | 2020-07-15 | 2020-07-15 | High-temperature base screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390797.8U CN213108040U (en) | 2020-07-15 | 2020-07-15 | High-temperature base screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213108040U true CN213108040U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021390797.8U Active CN213108040U (en) | 2020-07-15 | 2020-07-15 | High-temperature base screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213108040U (en) |
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2020
- 2020-07-15 CN CN202021390797.8U patent/CN213108040U/en active Active
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