CN105257649A - Screw connecting device for installation hole with deep cavity - Google Patents
Screw connecting device for installation hole with deep cavity Download PDFInfo
- Publication number
- CN105257649A CN105257649A CN201510727714.7A CN201510727714A CN105257649A CN 105257649 A CN105257649 A CN 105257649A CN 201510727714 A CN201510727714 A CN 201510727714A CN 105257649 A CN105257649 A CN 105257649A
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- screw
- screw rod
- hole
- mounting hole
- dark chamber
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Abstract
The invention relates to a screw connecting device for an installation hole with a deep cavity. The screw connecting device comprises screw installation parts, locking parts and a screw rod. First through holes are formed in the screw installation parts from the front ends of the screw installation parts to the rear ends of the screw installation parts, and the front portions of the first through holes are matched with the shape of a nut of a screw. Second through holes are formed in the locking parts. The rear ends of the screw installation parts are located in the second through holes and are detachably connected with the locking parts in a sliding manner. The first through holes are coaxial with the second through holes. The front end of the screw rod penetrates the second through holes and penetrates in the first through holes. The screw rod is in threaded connection with the locking parts. According to the screw connecting device for the installation hole with the deep cavity, the screw can be temporarily fixed to the front ends of the screw installation parts; the screw can move back and forth along the locking parts; the screw installation parts position the installation hole in the deep cavity; the screw rod penetrates the second through holes in sequence to enter the first through holes and is in threaded connection with the locking parts. When the screw rod moves forwards, the screw at the front ends of the screw installation parts is pushed to enter the screw installation hole smoothly, and accuracy and installation efficiency of installing the screw are improved.
Description
Technical field
The present invention relates to a kind of screw attachment for having dark chamber mounting hole, belonging to the screw installation tool field for having dark lumen pore.
Background technique
Current wind cooling refrigerator air channel is all connected by screw when installing, because the cavity that there is increasing between air channel and case courage is for cool air stream, so air channel is all designed with the screw pole of application cylinder boss type, have the screw pole in dark chamber as shown in Figure 5, screw is connected with case courage by screw pole.Because screw pole is dark cavity configuration, so belong to blind operation when playing screw, operator can't see the assembling condition of screw reality, just cause often occurring that screw trains off, deflect, do not beat jail and wait the bad defect of assembling, specifically as shown in Figure 6, have a strong impact on the assembly quality in air channel, cause the decline of refrigerator overall performance.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of screw attachment for having dark chamber mounting hole, to overcome in prior art set screw in dark chamber, because operator can't see the assembling condition of screw reality, cause often occurring that screw trains off, deflect, do not beat jail and wait the bad defect of assembling.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: a kind of screw attachment for having dark chamber mounting hole, comprise for holding screw and the screw assembling set in dark chamber can be inserted temporarily, be provided with the first through hole from described screw assembling set front end to its rear end, the front portion of described first through hole and the nut shape and structure of described screw suitable;
Locking element, described locking element is provided with the second through hole, and the rear end of described screw assembling set is positioned at described second through hole and slides with described locking element and removably connect, and described first through hole and described second through hole are coaxially arranged;
For screw being screwed in the screw rod in screw mounting hole, described screw rod front end is passed described second through hole and is penetrated in described first through hole, and described screw rod is threaded with described locking element.
The invention has the beneficial effects as follows: screw can be temporarily fixed at the front end of described screw assembling set and can move forward and backward along locking element by screw assembling set of the present invention, screw assembling set realizes positioning the mounting hole in dark chamber, screw rod enters the second through hole through the second through hole and is threaded with locking element successively, the screw promoting the front end of screw assembling set when screw rod advances enters screw mounting hole smoothly, improves validity and the installation efficiency of screw installation.
On the basis of technique scheme, the present invention can also do following improvement.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, further, described screw assembling set is cylindrical screw fixed cover, described locking element is cylindrical sleeve, the outside of described cylindrical screw fixed cover is provided with bar shaped boss along its axial direction, the inner side of described cylindrical sleeve is provided with bar shaped chute along its axial direction, described bar shaped boss and described bar shaped chute suitable and be slidably connected; Described screw rod front end is passed cylindrical sleeve and is penetrated in described cylindrical screw fixed cover, and described screw rod is threaded with described cylindrical sleeve.
The present invention adopts above-mentioned further beneficial effect to be: because screw assembling set and locking element are cylindrical, the two is connected with chute mechanical slip by boss, and easily, the simple and dismounting of structure easily, is convenient for changing in location; The nut edge of screw fixed cover contact screw, keeps axis and described first through hole of screw and the second through hole on the same axis by frictional force, ensures that screw mounting point is stable.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, further, the outer circumferential side of described screw rod is provided with annular flange flange, and described annular flange flange is provided with outside thread, the inner side of described cylindrical sleeve is provided with internal thread, described outside thread and described internal thread suitable.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, further, the screw rod between described annular flange flange and described cylindrical screw fixed cover is arranged with elastic component.
The present invention adopts above-mentioned further beneficial effect to be: the screw rod between annular flange flange and described cylindrical screw fixed cover is arranged with elasticity, can make the position of screw installation sleeve and screw rod can relative sliding, automatic backing when screw screws in can be realized, improve the speed changing screw.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, and further, described elastic component is Returnning spring.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, further, described cylindrical screw fixed cover comprises the minor diameter and large-diameter portion that connect successively, be provided with bar shaped boss along its axial direction outside described large-diameter portion, described bar shaped boss and described bar shaped chute suitable and be slidably connected; The inner side of described minor diameter and the nut adaptation of described screw.
Adopt screw attachment of the present invention realizing in air channel and case courage assembly process, when screw is installed, location is more accurate, ensures can not drop in screw installation procedure, the beat of assembling speed and production line; And there will not be and train off, deflect and do not beat firm situation, improve air channel assembly quality, reduce product engineering reject ratio, air channel and case courage are fitted more closely simultaneously, there will not be the performance issues such as cold draining of leaking out, enhance product performance.
The present invention is a kind of screw attachment for having dark chamber mounting hole as mentioned above, and further, the rear end of described screw rod is the hexagonal structure for connecting Pneumatic actuator or Electric actuator.
Accompanying drawing explanation
Fig. 1 is a kind of screw attachment cross-sectional view for having dark chamber mounting hole of the present invention;
Fig. 2 is the structural representation of a kind of temporary fixed screw in screw attachment front end for having dark chamber mounting hole of the present invention;
Fig. 3 is a kind of screw attachment figure for having dark chamber mounting hole of the present invention;
Fig. 4 is a kind of screw attachment rigging screw process schematic for having dark chamber mounting hole of the present invention;
Fig. 5 is the structural representation of dark chamber, existing air channel screw pole;
Fig. 6 is the schematic diagram of existing mounting screw in the screw pole of dark chamber, air channel.
In accompanying drawing, the list of parts representated by each label is as follows:
1, screw assembling set, 2, elastic component, 3, locking element, 4, screw rod, 5, screw, 6, bar shaped chute, 7, bar shaped boss, the 8, first through hole, the 9, second through hole, 10, dark chamber screw pole.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of screw attachment for having dark chamber mounting hole of the present invention, as shown in Figures 1 to 3, comprise the screw assembling set 1 for holding screw temporarily, the first through hole 8 is provided with from screw assembling set 1 front end to its rear end, the front portion of the first through hole 8 and the nut shape and structure of screw suitable, that is when mounted, screw cap in the front portion of the first through hole and can be realized by the frictional force between the first through-hole side wall temporary fixed need install screw;
Locking element 3, locking element 3 is provided with the second through hole 9, and the rear end of screw assembling set 1 is positioned at the second through hole 9 and slides with locking element 3 and removably connect, and the first through hole 8 and the second through hole 9 are coaxially arranged;
For screw being screwed in the screw rod 4 in screw mounting hole, screw rod 4 front end is passed from the second through hole 9 and is penetrated in the first through hole 8, and screw rod 4 is threaded with locking element 3.
In certain embodiments, screw assembling set 1 is cylindrical screw fixed cover, locking element 2 is cylindrical sleeve and cross section is ring, the outside of cylindrical screw fixed cover is provided with bar shaped boss 7 along its axial direction, the inner side of cylindrical sleeve is provided with bar shaped chute 6 along its axial direction, and bar shaped boss 7 is suitable and be slidably connected with bar shaped chute 6; Screw rod 4 front end is passed cylindrical sleeve and is penetrated in cylindrical screw fixed cover, and screw rod 4 is threaded with cylindrical sleeve.This is simple and compact for structure, detachable, replaceable, is directly connected to pneumatic or electric tool and operates, lifting operation efficiency.
Particularly, the front end of described bar shaped chute 6 can be provided with dismountable limiting stopper, when screw assembling set 1 changed by needs, can dismantle this limiting stopper and is connected by bar shaped chute 6 and bar shaped boss 7; Mounting limit block after connecting, can prevent screw assembling set 1 to be pushed out described locking element.
Particularly, screw rod 4 is provided with annular flange flange 41 along its outer circumferential side, and annular flange flange 41 is provided with outside thread, the inner side of cylindrical sleeve is provided with internal thread, outside thread and internal thread suitable.The rear end of screw rod 4 is the hexagonal structure for connecting Pneumatic actuator or Electric actuator.
A kind of screw attachment for having dark chamber mounting hole of the present invention, on the basis of above-described embodiment, screw rod 4 between annular flange flange 41 and cylindrical screw fixed cover is arranged with elastic component 2, particularly, elastic component 2 is Returnning spring, can after installment work completes, under the elastic force effect of Returnning spring, screw rod outwards can be ejected, and cylindrical screw fixed cover is relative movable with cylindrical sleeve and screw rod position, thus be pushed into original state by before cylindrical screw fixed cover, improve replacing speed.
In certain embodiments, as shown in Figure 1, cylindrical screw fixed cover comprises the minor diameter and large-diameter portion that connect successively, is provided with bar shaped boss 7 outside large-diameter portion along its axial direction, and bar shaped boss 7 is suitable and be slidably connected with bar shaped chute 6; The inner side of minor diameter and the nut adaptation of screw.Obviously, the shape of cylindrical screw fixed cover front end and size can require suitable according to the shape size of screw, and different screws can change different cylindrical screw fixed covers.
As Fig. 4, the shown air channel panel screw post 10 for having dark chamber mounting hole, a kind of screw attachment for having dark chamber mounting hole of the present invention, frictional force is produced by the nut EDGE CONTACT of cylindrical screw fixed cover inwall and screw, the temporary fixed of screw and cylindrical screw fixed cover is realized by frictional force, screw rod front end is positioned at cylindrical screw fixed cover, contacts in order to transmitting torque with screw cross recess.
When dark chamber screw assembles, cylindrical screw fixed cover is by spacing for screw position good, then screw rod gos deep into inside, dark chamber together with cylindrical screw fixed cover and screw wherein, guarantee screw just to screw mounting hole, then screw rod rotarily drives screw and screws in mounting hole, cylindrical screw fixed cover can be squeezed and progressively advance until screw all screws in simultaneously, when screw is seated, the relative position of screw and cylindrical fixed cover can change, screw rod advances to outstanding cylindrical screw fixed cover edge, cylindrical screw fixed cover compression reseting spring, when whole device is finished the work and is released dark chamber, Returnning spring can return to original position, thus be pushed into original state by before fixed cover, and enter next duty cycle, screw attachment of the present invention is adopted to realize there will not be in the process of screw assembling in dark chamber training off, deflect and do not beat firm situation, improve air channel assembly quality, reduce product engineering reject ratio, air channel and case courage are fitted tightr simultaneously, there will not be the performance issues such as cold draining of leaking out, enhance product performance.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term "front", "rear", " interior ", " outward ", " axis ", " radial direction ", " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. one kind for having the screw attachment of dark chamber mounting hole, it is characterized in that, comprise for holding screw and the screw assembling set (1) in dark chamber can be inserted temporarily, be provided with the first through hole (8) from described screw assembling set (1) front end to its rear end, the front end of described first through hole (8) and the nut shape and structure of described screw suitable;
Locking element (3), described locking element (3) is provided with the second through hole (9), the rear end of described screw assembling set (1) is positioned at described second through hole (9) and slides with described locking element (3) and removably connect, and described first through hole (8) and described second through hole (9) are coaxially arranged;
For screw being screwed in the screw rod (4) in screw mounting hole, described screw rod (4) front end is passed the second through hole (9) and is penetrated in described first through hole (8), and described screw rod (4) is threaded with described locking element (3).
2. a kind of screw attachment for having dark chamber mounting hole according to claim 1, it is characterized in that, described screw assembling set (1) is cylindrical screw fixed cover, described locking element (2) is cylindrical sleeve, the outside of described cylindrical screw fixed cover is provided with bar shaped boss (7) along its axial direction, the inner side of described cylindrical sleeve is provided with bar shaped chute (6) along its axial direction, and described bar shaped boss (7) and described bar shaped chute (6) are suitable and be slidably connected; Described screw rod (4) front end is passed cylindrical sleeve and is penetrated in described cylindrical screw fixed cover, and described screw rod (4) is threaded with described cylindrical sleeve.
3. a kind of screw attachment for having dark chamber mounting hole according to claim 2, it is characterized in that, the outer circumferential side of described screw rod (4) is provided with annular flange flange (41), described annular flange flange (41) is provided with outside thread, the inner side of described cylindrical sleeve is provided with internal thread, described outside thread and described internal thread suitable.
4. a kind of screw attachment for having dark chamber mounting hole according to claim 3, it is characterized in that, the screw rod (4) between described annular flange flange (41) and described cylindrical screw fixed cover is arranged with elastic component (2).
5. a kind of screw attachment for having dark chamber mounting hole according to claim 4, it is characterized in that, described elastic component (2) is Returnning spring.
6. a kind of screw attachment for having dark chamber mounting hole according to claim 2, it is characterized in that, described cylindrical screw fixed cover comprises the minor diameter and large-diameter portion that connect successively, be provided with bar shaped boss (7) along its axial direction outside described large-diameter portion, described bar shaped boss (7) and described bar shaped chute (6) are suitable and be slidably connected; The inner side of described minor diameter and the nut adaptation of described screw.
7. a kind of screw attachment for having dark chamber mounting hole according to any one of claim 1 to 6, is characterized in that, the rear end of described screw rod (4) is the hexagonal structure for connecting Pneumatic actuator or Electric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727714.7A CN105257649A (en) | 2015-10-28 | 2015-10-28 | Screw connecting device for installation hole with deep cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727714.7A CN105257649A (en) | 2015-10-28 | 2015-10-28 | Screw connecting device for installation hole with deep cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105257649A true CN105257649A (en) | 2016-01-20 |
Family
ID=55097514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510727714.7A Pending CN105257649A (en) | 2015-10-28 | 2015-10-28 | Screw connecting device for installation hole with deep cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105257649A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012207A (en) * | 2019-12-31 | 2020-04-17 | 广东美的厨房电器制造有限公司 | Control box subassembly mounting structure and have its cooking device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB225620A (en) * | 1923-09-05 | 1924-12-05 | Cons Pneumatic Tool Company Lt | Improvements in or relating to screw-driving attachments or appliances for use with pneumatic, electric or other machine tools |
| GB1096029A (en) * | 1964-04-23 | 1967-12-20 | Leitner Kajetan | Improvements in screwing-up devices |
| DE2508983A1 (en) * | 1975-03-01 | 1976-09-09 | Gill Fa Willi | Screwdriver with screw grip - has spring loaded grip sleeve which slides on shaft concentric to drive blade |
| US4140161A (en) * | 1977-06-15 | 1979-02-20 | Minnesota Mining And Manufacturing Company | Screw holding and driving device |
| CN2052324U (en) * | 1989-08-17 | 1990-02-07 | 方五云 | Screw driver with jaws and magnet |
| DE3832343A1 (en) * | 1988-09-23 | 1990-03-29 | Edoardo Curto | Screwdriver slip preventer with screw holder |
| DE29609111U1 (en) * | 1996-05-21 | 1996-11-07 | Lobocki, Joachim, 33106 Paderborn | Screw holder |
| US5992274A (en) * | 1996-11-27 | 1999-11-30 | Construction Fasteners, Inc. | Installation tool for pre-assembled screw and plate assemblies |
| CN101439507A (en) * | 2007-11-24 | 2009-05-27 | Gm全球科技运作股份有限公司 | Combination wrench socket |
| CN205190472U (en) * | 2015-10-28 | 2016-04-27 | 合肥华凌股份有限公司 | A screw connecting device for having dark chamber mounting hole |
-
2015
- 2015-10-28 CN CN201510727714.7A patent/CN105257649A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB225620A (en) * | 1923-09-05 | 1924-12-05 | Cons Pneumatic Tool Company Lt | Improvements in or relating to screw-driving attachments or appliances for use with pneumatic, electric or other machine tools |
| GB1096029A (en) * | 1964-04-23 | 1967-12-20 | Leitner Kajetan | Improvements in screwing-up devices |
| DE2508983A1 (en) * | 1975-03-01 | 1976-09-09 | Gill Fa Willi | Screwdriver with screw grip - has spring loaded grip sleeve which slides on shaft concentric to drive blade |
| US4140161A (en) * | 1977-06-15 | 1979-02-20 | Minnesota Mining And Manufacturing Company | Screw holding and driving device |
| DE3832343A1 (en) * | 1988-09-23 | 1990-03-29 | Edoardo Curto | Screwdriver slip preventer with screw holder |
| CN2052324U (en) * | 1989-08-17 | 1990-02-07 | 方五云 | Screw driver with jaws and magnet |
| DE29609111U1 (en) * | 1996-05-21 | 1996-11-07 | Lobocki, Joachim, 33106 Paderborn | Screw holder |
| US5992274A (en) * | 1996-11-27 | 1999-11-30 | Construction Fasteners, Inc. | Installation tool for pre-assembled screw and plate assemblies |
| CN101439507A (en) * | 2007-11-24 | 2009-05-27 | Gm全球科技运作股份有限公司 | Combination wrench socket |
| CN205190472U (en) * | 2015-10-28 | 2016-04-27 | 合肥华凌股份有限公司 | A screw connecting device for having dark chamber mounting hole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012207A (en) * | 2019-12-31 | 2020-04-17 | 广东美的厨房电器制造有限公司 | Control box subassembly mounting structure and have its cooking device |
| CN111012207B (en) * | 2019-12-31 | 2021-07-20 | 广东美的厨房电器制造有限公司 | Control box subassembly mounting structure and have its cooking device |
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Application publication date: 20160120 |