CN202985442U - Enhanced nylon pipe wrench with sheet metal insert - Google Patents
Enhanced nylon pipe wrench with sheet metal insert Download PDFInfo
- Publication number
- CN202985442U CN202985442U CN 201120560200 CN201120560200U CN202985442U CN 202985442 U CN202985442 U CN 202985442U CN 201120560200 CN201120560200 CN 201120560200 CN 201120560200 U CN201120560200 U CN 201120560200U CN 202985442 U CN202985442 U CN 202985442U
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- sheet metal
- metal component
- inserts
- handle body
- nylon pipe
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Abstract
The utility model relates to an enhanced nylon pipe wrench with a sheet metal insert. The enhanced nylon pipe wrench comprises a movable jaw, a fixed jaw, an adjusting nut and a wrench handle body, wherein the wrench handle body comprises glass fiber reinforced polyamide 66 and an insert embedded therein and comprising four sheet metals which are arranged integrally in L shaped and in a left-right symmetric structure. The lower two left-right symmetrical sheet metals are welded together and arranged along the axis of the wrench handle in an I shape, and the lower two left-right symmetrical sheet metals are configured to be variable in cross section and equal in strength. The upper portion is in U shape. A stress concentration point where the lower two sheet metals disengage from and contact with the other two sheet metals employs a gentle slope structure to release stress. The other two left-right symmetrical sheet metals are riveted to the above mentioned two sheet metals to further support upper sheet metals and enhance the integral strength and rigidity of the insert. The enhanced nylon pipe wrench, an industrial standard pipe wrench, is simply structured, cheap and light, has anticracking and insulating performances, and is high in strength, easy for operation, high in production efficiency.
Description
Technical field
The utility model relates to a kind of hand tools, refers in particular to a kind of panel beating insert reinforced nylon pipe pliers, is applicable to provide a kind of simple in structure, and intensity is high, and cost is low, and is lightweight, anticracking, easy operating and the high industrial standard pipe wrench of manufacturing efficient.
Background technology
Pipe wrench is the indispensable instrument during pipeline is installed, and is also that other industry is as instrument commonly used in the industry such as machinery, boats and ships, chemical industry.Moral formula commonly used and American pattern pipe pliers handle are cast with metal alloy and are formed at present, and this pipe wrench handle intensity is higher, but production cost is higher, pipe wrench is heavier, be unfavorable for operation.If pipe wrench forms with nylon injection-molding, do not reach again requirement of strength, therefore consider to add an inserts in the clamp handle body, can greatly alleviate the weight of pipe wrench like this, and make pipe wrench reach certain requirement of strength.
The number of applying for a patent is 201110043520.7 and the Chinese patent of 201120045280.X, and a kind of manufacture method of insert reinforced nylon pipe pliers is provided.The A of above-mentioned patent (51) structure and A (52) structure are installed complicated, concentrate obviously at abrupt change of cross-section place stress, do not have the release measure of corresponding concentrated stress, and A (53) structure has elongated " work " font thin-walled, casts very difficult.Inserts in this patent all adopts the welding of sheet metal parts, riveted joint to form, have advantages of that manufacturing is flexible, production efficiency is high, be convenient to install the location, and at stress raiser, corresponding stress release measure is arranged, overcome above-mentioned patent shortcoming complicated, the casting difficulty is installed.
Summary of the invention
The purpose of this utility model be for overcome above-mentioned casting inserts pipe wrench production efficiency low, to the shortcoming that thin-wall construction is difficult to cast, provide a kind of intensity higher, simple in structure, cost is low, lightweight, insulation, the industrial standard pipe wrench that anticracking, easy operating and production efficiency are high.
the utility model solves the scheme that its technical problem takes: insert reinforced nylon pipe pliers is by moving jaw, regular jaw, adjusting nut, the compositions such as clamp handle body, regular jaw is arranged on clamp handle body top, moving jaw is arranged on the clamp handle body by adjusting nut, and can regulate relative position between itself and regular jaw by adjusting nut, the clamp handle body is comprised of glass fiber reinforced polyamide 66 (nylon) and the inserts that embeds in it, inserts is a symmetrical structure, formed by 4 sheet metal components, concentrate the cross section to strengthen to pipe wrench stress, or the Rigidity and strength of increase nylon clamp handle.The inserts of 4 sheet metal component compositions is divided into two kinds of forms: form one is for to be comprised of sheet metal component A, sheet metal component B, sheet metal component C and sheet metal component D, and form two is for to be comprised of sheet metal component E, sheet metal component F, sheet metal component G and sheet metal component H.Wherein the form two that forms of sheet metal component E, sheet metal component F, sheet metal component G and sheet metal component H is on the basis of the structure of the form one that sheet metal component A, sheet metal component B, sheet metal component C and sheet metal component D form, extend toward the jaw direction in the nylon tube caliper, further strengthened the intensity of inserts.Sheet metal component E and sheet metal component F can continue stretch out one downwards on the basis of extending, and this stretches out piece and can or be riveted together with the extension welding of sheet metal component G and sheet metal component H, thus the further bulk strength of reinforced embedded member.Inserts is to be that the locating hole of 3mm ~ 6mm and the nylon pipe wrench end face that makes embedding handle body and embedding handle inwall end face align to locate with inserts end face and the inserts inwall end face of inserts respectively by a diameter in clamp handle body injection mold.
Sheet metal component A and sheet metal component B are welded together, or sheet metal component E and sheet metal component F are welded together, form " work " font structure, its top is " U " font structure, and inserts integral body is " L " type.Sheet metal component C and sheet metal component D are riveted on the both sides of sheet metal component A and sheet metal component B, perhaps sheet metal component G and sheet metal component H are riveted on the both sides of sheet metal component E and sheet metal component F, sheet metal component C, sheet metal component D, sheet metal component G, sheet metal component H extend to the pipe wrench handle orientations, to support respectively sheet metal component A, sheet metal component B, sheet metal component E, sheet metal component F, the strength and stiffness of further reinforced embedded member.Sheet metal component G and sheet metal component H are outside bending features in advance in the extension of " work " font structure terminal position, with its support to top " U " font structure of further reinforcement.
The front end face on the nylon pipe wrench top of the inside bending feature on sheet metal component C, sheet metal component D, sheet metal component G and sheet metal component H top and embedding handle body overlaps, and sheet metal component is exposed, and presses when preventing that nylon is stressed and collapses; Sheet metal component C, sheet metal component D, sheet metal component G and sheet metal component H lean against respectively on the bending feature on sheet metal component A, sheet metal component B, sheet metal component E and sheet metal component F top, and to position, remainder is positioned at the clamp handle body.
Two inserts inwall end faces of inserts top " U " font structure overlap with the both sides clamp handle inwall end face of clamp handle body installing hole respectively, and inserts " U " font part inserts end face is concordant with the nylon pipe wrench end face of clamp handle body, and remainder is positioned at the clamp handle body.
" work " font structure is the design of variable cross-section equal strength along the clamp handle axis.The panel beating of " work " font, " U " font and the elongated portion of inserts is according to the some eyelets of size factor design, and filled nylon during injection moulding can strengthen the conjugation of inserts and nylon, tears when preventing work.
" work " font structure that sheet metal component A and sheet metal component B, sheet metal component E and sheet metal component F form, with same structure in the stress raiser that disengages of another two sheet metal components adopt the gentle-slope type structure, to discharge stress.
Sheet metal component A, sheet metal component B, sheet metal component C, sheet metal component D, sheet metal component E, sheet metal component F, sheet metal component G and sheet metal component H should make at bending feature place and stretch crack arrest groove structure or smooth transition fillet structure, to strengthen the intensity of sheet metal component.
Certain soldering should be carried out in appropriate location in each sheet metal component combination, further strengthens its bond strength each other.
The beneficial effects of the utility model are:
1) inserts of the utility model design is combined by the welding of sheet metal parts, riveted joint entirely, production efficiency is high, has overcome the cast type inserts for crossing the shortcoming that thin place is difficult to cast and production efficiency is low;
2) the clamp handle body of the utility model design is to be made of glass fiber reinforced polyamide 66 (nylon) and panel beating inserts, has greatly alleviated the weight of clamp handle, convenient operation and carrying;
3) be embedded in the panel beating inserts at the clamp handle body, can greatly increase the bulk strength of pipe wrench;
4) adopt the bending feature of sheet metal component to be embedded in conjugation and the intensity that has improved inserts and nylon in nylon, the transition position that disengages each other at two sheet metal components has adopted the gentle-slope type structure that stressed rear issuable concentrated stress is discharged, and its structure is further optimized;
5) make inserts " U " font end face concordant with the end face on clamp handle body top, allow inserts expose, when preventing work, nut is pressed nylon and is collapsed;
6) bending part at sheet metal component has adopted the structure of stretching, extension crack arrest groove to improve its intensity;
7) " work " font, " U " font and the elongated portion of inserts be according to the some eyelets of size factor design, can filled nylon during injection moulding, can strengthen the conjugation of inserts and nylon, and tear when preventing work;
8) the utility model provides a kind of intensity higher, simple in structure, and cost is low, and is lightweight, insulation, anticracking, easy operating and the high industrial standard pipe wrench of manufacturing efficient.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 insert reinforced nylon pipe pliers schematic diagram.
Fig. 2 nylon tube clamp handle and inserts position view.
Fig. 3 inserts X scheme stereogram.
Fig. 4 inserts Y scheme stereogram.
Fig. 5 is the stretching, extension crack arrest groove structure of sheet metal component B.
The stretching, extension crack arrest groove structure of Fig. 6 sheet metal component D.
The feature of top " U " font structure is supported in the bending in advance of Fig. 7 sheet metal component H.
The stretching, extension scheme schematic diagram of Fig. 8 sheet metal component E and sheet metal component F.
Mark in figure: 1, clamp handle body, 2, moving jaw, 3, regular jaw, 4, adjusting nut, 5, inserts, 6, locating hole, 7, nylon pipe wrench end face, 8, the inserts end face, 9, clamp handle inwall end face, 10, inserts inwall end face, 12A, sheet metal component A, 13A, sheet metal component B, 14A, sheet metal component C, 15A, sheet metal component D, 12B, sheet metal component E, 13B, sheet metal component F, 14B, sheet metal component G, 15B, sheet metal component H, 16, stretch crack arrest groove structure Q, 17, stretch crack arrest groove structure W, 18, the bending feature, 19, stretched out structure, 21, stress raiser.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5: insert reinforced nylon pipe pliers is comprised of moving jaw 2, regular jaw 3, adjusting nut 4, clamp handle body 1 etc., regular jaw 3 is arranged on clamp handle body 1 top, moving jaw 2 is arranged on clamp handle body 1 by adjusting nut 4, and can regulate relative position between itself and regular jaw 3 by adjusting nut 4.Clamp handle body 1 is comprised of glass fiber reinforced polyamide 66 (nylon) and the inserts 5 that embeds in it, and inserts 5 is a symmetrical structure, is comprised of 4 sheet metal components, concentrates cross section 21 to strengthen to pipe wrench stress, or increases the Rigidity and strength of nylon clamp handle.4 sheet metal components that form inserts are divided into sheet metal component A12A, sheet metal component B13A, sheet metal component C14A and sheet metal component D15A or sheet metal component E12B, sheet metal component F13B, sheet metal component G14B and two kinds of forms of sheet metal component H15B, wherein sheet metal component E12B, sheet metal component F13B, sheet metal component G14B and sheet metal component H15B extend toward the jaw direction in the nylon tube caliper on the basis of sheet metal component A12A, sheet metal component B13A, sheet metal component C14A and sheet metal component D15A structure, have further strengthened the intensity of inserts.Sheet metal component A12A, sheet metal component E12B are the left-right symmetry structure with sheet metal component B13A, sheet metal component F13B respectively, and sheet metal component C14A, sheet metal component G14B are the left-right symmetry structure with sheet metal component D15A, sheet metal component H15B respectively.
In conjunction with Fig. 3 and Fig. 4: sheet metal component A12A and sheet metal component B13A are welded together, or sheet metal component E12B and sheet metal component F13B are welded together, form " work " font structure, its top is " U " font structure, and inserts integral body is " L " type.Sheet metal component C14A and sheet metal component D15A are riveted on the both sides of sheet metal component A12A and sheet metal component B13A, perhaps sheet metal component G14B and sheet metal component H15B are riveted on the both sides of sheet metal component E12B and sheet metal component F13B, sheet metal component C14A, sheet metal component D15A, sheet metal component G14B, sheet metal component H15B extend to the pipe wrench handle orientations, to support respectively sheet metal component A12A, sheet metal component B13A, sheet metal component E12B, sheet metal component F13B, the strength and stiffness of further reinforced embedded member.
In conjunction with Fig. 1 and Fig. 2, the inside bending feature on sheet metal component C14A, sheet metal component D15A, sheet metal component G14B and sheet metal component H15B top overlaps with the nylon pipe wrench end face 7 of embedding handle body 1, and sheet metal component is exposed, and presses when preventing that nylon is stressed and collapses; Sheet metal component C14A, sheet metal component D14B, sheet metal component G15A and sheet metal component H15B lean against respectively on the bending feature on sheet metal component A12A, sheet metal component B13A, sheet metal component E12B and sheet metal component F13B top, and to position, remainder is positioned at the clamp handle body.
In conjunction with Fig. 1 and Fig. 2, two inserts inwall end faces 10 of inserts 5 tops " U " font structure overlap with the both sides clamp handle inwall end face 9 of clamp handle body installing hole respectively, inserts 5 " U " font part inserts end face 8 is concordant with the nylon pipe wrench end face 7 of clamp handle body 1, and remainder is positioned at clamp handle body 1.
In conjunction with Fig. 4, I-shaped structure is the design of variable cross-section equal strength along the clamp handle axis.The sheet metal designing of " work " font, " U " font and the elongated portion of inserts determines the some eyelets of design according to size factor, and filled nylon during injection moulding can strengthen the conjugation of inserts and nylon, tears when preventing work.
In conjunction with Fig. 4, " work " font structure that sheet metal component A12A and sheet metal component B13A, sheet metal component E12B and sheet metal component F13B form, with same structure in the stress raiser that disengages of another two sheet metal components adopt the gentle-slope type structure, to discharge stress.
In conjunction with Fig. 5 and Fig. 6, sheet metal component A, sheet metal component B, sheet metal component C, sheet metal component D, sheet metal component E, sheet metal component F, sheet metal component G and sheet metal component H should make at bending feature place and stretch crack arrest groove structure Q16, stretch crack arrest groove structure W17 or smooth transition fillet structure, to strengthen the intensity of sheet metal component.
In conjunction with Fig. 7, sheet metal component G14B and sheet metal component H15B have one outwards to shift to an earlier date bending feature 18 at the terminal position of " work " font structure, with its support to top " U " font structure of further reinforcement, and the bonded area of raising nylon and inserts, both conjugations further improved.
In conjunction with Fig. 8, sheet metal component E12B and sheet metal component F13B can continue to stretch out one downwards on the basis of extending, and this stretched out structure 19 can be welded or be riveted together with the extension of sheet metal component G and sheet metal component H, thus the bulk strength of further reinforced embedded member.
Certain soldering should be carried out in appropriate location in each sheet metal component combination, further strengthens its bond strength each other.
Main method of manufacturing technology is: surface treatment, the coupling processings such as sheet metal component is stamping, deburring chamfering, shot-peening, rivet on request, be welded to form inserts, inserts preheating, inserts in mould orientation assemble, injection moulding, cooling, poach, plastic-blasting, pipe wrench assembling, detect.4 sheet metal components all adopt the method for punching press to make, and heat-treat; Panel beating can adopt 2 ~ 6mm thick.
The utility model provides a kind of intensity higher, simple in structure, and cost is low, and is lightweight, insulation, anticracking, easy operating and the high industrial standard pipe wrench of manufacturing efficient.
Claims (8)
1. panel beating insert reinforced nylon pipe pliers, it is characterized in that, comprise moving jaw (2), regular jaw (3), adjusting nut (4), clamp handle body (1), regular jaw (3) is arranged on clamp handle body (1) top, moving jaw (2) is arranged on clamp handle body (1) by adjusting nut (4), and can regulate relative position between itself and regular jaw (3) by adjusting nut (4); Clamp handle body (1) is comprised of glass fiber reinforced polyamide 66 and the inserts (5) that embeds in it; Inserts (5) is a symmetrical structure, is comprised of 4 the welding of sheet metal parts and riveted joint, and 4 sheet metal components are sheet metal component A (12A), sheet metal component B (13A), sheet metal component C (14A) and sheet metal component D (15A).
2. a kind of panel beating insert reinforced nylon pipe pliers according to claim 1, is characterized in that, described inserts (5) integral body is " L " type, and top is that " U " font, bottom are " work " font structure.
3. a kind of panel beating insert reinforced nylon pipe pliers according to claim 1, it is characterized in that, described inserts (5) is by the diameter locating hole (6) that is 3mm ~ 6mm in clamp handle body (1) injection mold and makes the nylon pipe wrench end face (7) of embedding handle body (1) and embedding handle inwall end face (9) align to locate with inserts end face (8) and the inserts inwall end face (10) of inserts (5) respectively.
4. a kind of panel beating insert reinforced nylon pipe pliers according to claim 1, it is characterized in that, described inserts (5) extends toward the jaw direction in the nylon tube caliper on the basis of sheet metal component A (12A), sheet metal component B (13A), sheet metal component C (14A) and sheet metal component D (15A) structure, sheet metal component A (12A), sheet metal component E (12B) are the left-right symmetry structure with sheet metal component B (13A), sheet metal component F (13B) respectively, are fixed together by welding composition " work " font structure, and top is " U " font structure, sheet metal component C (14A), sheet metal component G (14B) respectively with sheet metal component D (15A), sheet metal component H (15B) is the left-right symmetry structure, sheet metal component C (14A) and sheet metal component D (15A) are riveted on the both sides of sheet metal component A (12A) and sheet metal component B (12B), sheet metal component G (14B) and sheet metal component H (15B) are riveted on the both sides of sheet metal component E (12B) and sheet metal component F (13B), sheet metal component C (14A), sheet metal component D (15A), sheet metal component G (14B) and sheet metal component H (15B) extend to the pipe wrench handle orientations, to support respectively sheet metal component A (12A), sheet metal component B (13A), sheet metal component E (12B) and sheet metal component F (13B), sheet metal component G (14B) and sheet metal component H (15B) are bending features in advance in the extension of the end of " work " font structure.
5. a kind of panel beating insert reinforced nylon pipe pliers according to claim 4, it is characterized in that, the inside bending feature on described sheet metal component C (14A), sheet metal component D (15A), sheet metal component G (14B) and sheet metal component H (15B) top overlaps with the nylon pipe wrench end face (7) of embedding handle body (1), and sheet metal component is exposed; Sheet metal component C (14A), sheet metal component D (15A), sheet metal component G (14B) and sheet metal component H (15B) lean against respectively on the bending feature on sheet metal component A (12A), sheet metal component B (13A), sheet metal component E (12B) and sheet metal component F (13B) top, and remainder is positioned at clamp handle body (1).
6. a kind of panel beating insert reinforced nylon pipe pliers according to claim 1 and 2, it is characterized in that, " work " font that described sheet metal component A (12A) and sheet metal component B (13A), sheet metal component E (12B) and sheet metal component F (13B) form, " U " font and 4 sheet metal components arrange eyelet to the elongated portion of jaw direction, filled nylon during injection moulding, " work " font structure is the design of variable cross-section equal strength along the clamp handle axis.
7. according to claim 1 and 2 or 4 described a kind of panel beating insert reinforced nylon pipe pliers, it is characterized in that, described sheet metal component A (12A) and sheet metal component B (13A), sheet metal component E (12B) and sheet metal component F (13B) form " work " font structure, and the stress raiser that disengages with another two sheet metal components in same structure adopts the gentle-slope type structure.
8. a kind of panel beating insert reinforced nylon pipe pliers according to claim 4, it is characterized in that, described sheet metal component A (12A), sheet metal component B (13A), sheet metal component C (14A), sheet metal component D (15A), sheet metal component E (12B), sheet metal component F (13B), sheet metal component G (14B) and sheet metal component H (15B) should make at bending feature place and stretch crack arrest groove structure or smooth transition fillet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120560200 CN202985442U (en) | 2011-12-29 | 2011-12-29 | Enhanced nylon pipe wrench with sheet metal insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120560200 CN202985442U (en) | 2011-12-29 | 2011-12-29 | Enhanced nylon pipe wrench with sheet metal insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202985442U true CN202985442U (en) | 2013-06-12 |
Family
ID=48556660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120560200 Expired - Fee Related CN202985442U (en) | 2011-12-29 | 2011-12-29 | Enhanced nylon pipe wrench with sheet metal insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202985442U (en) |
-
2011
- 2011-12-29 CN CN 201120560200 patent/CN202985442U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |