CN213186868U - Electric tool powder metallurgy self-locking inner core - Google Patents
Electric tool powder metallurgy self-locking inner core Download PDFInfo
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- CN213186868U CN213186868U CN202022335879.9U CN202022335879U CN213186868U CN 213186868 U CN213186868 U CN 213186868U CN 202022335879 U CN202022335879 U CN 202022335879U CN 213186868 U CN213186868 U CN 213186868U
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Abstract
The utility model discloses an electric tool powder metallurgy auto-lock inner core, concretely relates to auto-lock technical field, including inner core main part and shell, the inner core main part outside is equipped with self-locking mechanism, self-locking mechanism includes the fixed plate, the inner core main part outside is equipped with a plurality of connecting rods, the connecting rod top is equipped with the sleeve pipe, the intraductal portion of cover is equipped with first spring, the fixed slider that is equipped with of first spring one end. The utility model discloses a set up self-locking mechanism, with the connecting rod insert the sleeve pipe in, utilize the magnetic force of first electro-magnet to drive the slider and remove, make first spring elongated simultaneously, when spacing post stretches into the draw-in groove, the slider is fixed at intraductal portion, utilizes the elasticity of first spring to lap and shell zonulae occludens, does not utilize bolted connection, alright realization with inner core main part locking by oneself seal inside the shell, avoid appearing connecting untight phenomenon for a long time through bolted connection.
Description
Technical Field
The embodiment of the utility model provides a relate to auto-lock technical field, concretely relates to electric tool powder metallurgy auto-lock inner core.
Background
Powder metallurgy is a process technology for preparing metal powder or taking the metal powder as a raw material to manufacture metal materials, composite materials and various products through forming and sintering, has a series of advantages of remarkable energy conservation, material saving, excellent performance, high product precision, good stability and the like, and is very suitable for mass production.
The powder metallurgy technology can be used for manufacturing metal parts which are inconvenient to manufacture by a plurality of complicated traditional methods in structure, parts on a plurality of electric tools can be manufactured by the powder metallurgy method, an inner core of the traditional electric tool needs to be sealed in a shell, a cover plate is fixed by a screw, and the screw is easy to corrode and loosen after being used for a long time, so that the inner core is not tightly sealed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an electric tool powder metallurgy auto-lock inner core, through setting up self-locking mechanism, insert the connecting rod in the sleeve pipe, utilize the magnetic force of first electro-magnet to drive the slider and remove and make first spring elongated simultaneously, when slider motion to draw-in groove department, spacing post stretches into in the draw-in groove, make the slider fix at intraduct, the elasticity that utilizes first spring is with apron and shell zonulae occludens, do not utilize bolted connection, alright realize locking the inner core main part by oneself and seal in the shell inside, avoid appearing connecting untight phenomenon through bolted connection for a long time, need seal the interior core of traditional electric tool among the solution prior art and easily take place the corrosion of apron fixed screw after long-time use through the screw in the shell, phenomenon such as not hard up causes the inner core to seal tight problem.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a powder metallurgy self-locking inner core of an electric tool comprises an inner core main body and a shell, wherein the inner core main body is arranged inside the shell, a self-locking mechanism is arranged on the outer side of the inner core main body, and the self-locking mechanism is arranged inside the shell;
the self-locking mechanism comprises a fixed plate, the fixed plate is fixedly arranged at the bottom end inside the shell, the fixed plate is fixedly arranged at the bottom end of the inner core main body, a plurality of connecting rods are arranged at the outer side of the inner core main body, the connecting rods are fixedly arranged at the top end of the fixed plate, sleeves are arranged at the tops of the connecting rods, one ends of the connecting rods extend into the sleeves, first springs are arranged inside the sleeves, the first springs are fixedly arranged at one ends of the connecting rods, one ends of the first springs are fixedly provided with sliding blocks, the outer ends of the sliding blocks are contacted with the inner walls of the connecting rods, a plurality of spring holes are formed in the outer ends of the sliding blocks, second springs are fixedly arranged on the inner walls of one sides of the spring holes, limiting columns are fixedly arranged at one ends of the second springs, the first electromagnet is electrically connected with the inner core main body, and an iron block is fixedly arranged at the top end inside the sleeve.
Furthermore, a rubber pad is fixedly arranged on the inner wall of the shell.
Furthermore, a cover plate is embedded at the top end of the shell, and one end of the sleeve is fixedly connected with the bottom end of the cover plate.
Further, a sealing ring is fixedly arranged on the outer side of the cover plate and is in contact with the shell.
Furthermore, a second electromagnet is embedded in the sliding block and is arranged on the inner side of the spring hole.
Furthermore, a glass plate is embedded in the front side of the shell, and a spongy cushion is fixedly arranged at the top end of the inner core main body.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a set up self-locking mechanism, in inserting the sleeve pipe with the connecting rod, utilize the magnetic force of first electro-magnet to drive the slider and remove and make first spring elongated simultaneously, when slider motion to draw-in groove department, spacing post stretches into in the draw-in groove, make the slider fix at the intraductal portion of cover, the elasticity of utilizing first spring will lap and shell zonulae occludens, do not utilize bolted connection, alright realize locking the inner core main part by oneself and seal in the shell inside, avoid connecting untight phenomenon through bolted connection for a long time and appearing connecting, compared with the prior art, do not use bolted connection, block the slider in the cover intraductally, the elasticity of utilizing first spring will lap and shell zonulae occludens, avoid bolted connection and appear connecting untight phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a perspective view of a housing provided by the present invention;
fig. 2 is a sectional view of the housing provided by the present invention;
fig. 3 is a cross-sectional view of the casing provided by the present invention;
FIG. 4 is an enlarged view of the portion A in FIG. 3 according to the present invention;
fig. 5 is a top view of the fixing plate provided by the present invention;
in the figure: the device comprises a shell 1, a rubber pad 2, a sleeve 3, a connecting rod 4, a fixing plate 5, a sealing ring 6, an inner core main body 7, a cover plate 8, a first spring 9, an iron block 10, a first electromagnet 11, a clamping groove 12, a limiting column 13, a spring hole 14, a second spring 15, a sliding block 16, a second electromagnet 17 and a glass plate 18.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Referring to the attached drawings 1-5 in the specification, the powder metallurgy self-locking inner core of the electric tool comprises an inner core main body 7 and a shell 1, wherein the inner core main body 7 is arranged inside the shell 1, a self-locking mechanism is arranged on the outer side of the inner core main body 7, and the self-locking mechanism is arranged inside the shell 1;
the self-locking mechanism comprises a fixing plate 5, the fixing plate 5 is fixedly arranged at the bottom end inside a shell 1, the fixing plate 5 is fixedly arranged at the bottom end inside an inner core main body 7, a plurality of connecting rods 4 are arranged on the outer side of the inner core main body 7, the connecting rods 4 are fixedly arranged at the top end of the fixing plate 5, a sleeve 3 is arranged at the top of each connecting rod 4, one end of each connecting rod 4 extends into the corresponding sleeve 3, a first spring 9 is arranged inside the corresponding sleeve 3, the first spring 9 is fixedly arranged at one end of each connecting rod 4, a sliding block 16 is fixedly arranged at one end of each first spring 9, the outer end of each sliding block 16 is in contact with the inner wall of the corresponding connecting rod 4, a plurality of spring holes 14 are formed in the outer end of each sliding block 16, a second spring 15 is fixedly arranged on the inner wall on one side of each spring hole 14, a limiting, the top end of the sliding block 16 is fixedly provided with a first electromagnet 11, the first electromagnet 11 is electrically connected with the inner core main body 7, and the top end inside the sleeve 3 is fixedly provided with an iron block 10.
Furthermore, a rubber pad 2 is fixedly arranged on the inner wall of the shell 1, and when parts on the inner core main body 7 fall off, the rubber pad 2 can prevent the parts from being damaged due to collision.
Furthermore, a cover plate 8 is embedded at the top end of the shell 1, one end of the sleeve 3 is fixedly connected with the bottom end of the cover plate 8, and the inner core main body 7 is sealed in the shell 1 through the cover plate 8.
Further, a sealing ring 6 is fixedly arranged on the outer side of the cover plate 8, the sealing ring 6 is in contact with the shell 1, and the sealing ring 6 improves the sealing performance of the cover plate 8.
Furthermore, a second electromagnet 17 is embedded in the sliding block 16, the second electromagnet 17 is arranged on the inner side of the spring hole 14, and the second electromagnet 17 controls the contraction of the limiting column 13.
Further, a glass plate 18 is embedded in the front side of the shell 1, a spongy cushion is fixedly arranged at the top end of the inner core main body 7, and the interior of the shell 1 can be observed through the glass plate 18.
The implementation scenario is specifically as follows: the inner core main body 7 of the electric tool is placed in the shell 1 and fixed at the bottom end of the inner part of the shell 1 through the fixing plate 5, when the shell 1 needs to be closed, the cover plate 8 is covered at the top end of the shell 1, meanwhile, the sleeve 3 fixed at the bottom end of the cover plate 8 extends into the shell 1, so that the sleeve 3 corresponds to the connecting rod 4 one by one, at the moment, one end of the connecting rod 4, together with the first spring 9 and the sliding block 16 at one end of the connecting rod 4, are inserted into the sleeve 3, the second electromagnet 17 is electrified to generate magnetic force, the magnetic force adsorbs the limiting column 13, so that the limiting column 13 contracts towards the inner part of the spring hole 14, the second spring 15 is compressed, after the limiting column 13 retracts into the spring hole 14, the sliding block 16, the first spring 9 and the connecting rod 4 can be smoothly inserted into the sleeve 3, then the second electromagnet 17 is powered off, the limiting column 13 moves towards the outer side of the spring hole 14 under the, but the inner wall of the sleeve 3 limits the moving path, at this time, the cover plate 8 is covered on the top end of the shell 1 but is not tightly connected with the shell 1, next, the inner core main body 7 is electrified for a moment, the inner core main body 7 is electrically connected with the first electromagnet 11, the inner core main body 7 is electrified to further enable the first electromagnet 11 to be electrified, magnetic force is also generated after the first electromagnet 11 is electrified, the first electromagnet 11 accordingly starts to adsorb the iron block 10 at the top end inside the sleeve 3, the sliding block 16 moves upwards inside the sleeve 3 under the driving of the magnetic force of the first electromagnet 11, the first spring 9 is lengthened accordingly, the limiting column 13 also moves upwards along with the sliding block 16, when the limiting column 13 moves to the clamping groove 12 inside the sleeve 3, the inner wall of the sleeve 3 cannot limit the movement of the limiting column 13, under the elastic force of the second spring 15, one end of the limiting column 13 extends into the clamping groove 12, at this time, the two ends of the limiting column 13 are respectively arranged in the clamping groove 12 and the spring hole 14, so that the sliding block 16 is clamped in the sleeve 3, the first spring 9 is in an elongated state, at the moment, under the elastic force action of the first spring 9, the cover plate 8 is tensioned and tightly attached to the shell 1, if the cover plate 8 needs to be disassembled, the second electromagnet 17 is electrified only under the premise that the first electromagnet 11 is not electrified, so that the limiting column 13 is retracted under the magnetic force action, the sliding block 16 is not connected with the sleeve 3 any more, the sliding block 16 can be pulled back by the elastic force of the first spring 9, the cover plate 8 is separated from the shell 1, the connecting rod 4 is inserted into the sleeve 3 by arranging the self-locking mechanism, the sliding block 16 is driven to move by the magnetic force of the first electromagnet 11, the first spring 9 is elongated at the same time, when the sliding block 16 moves to the clamping groove 12, the limiting column 13 extends into the clamping groove 12, make slider 16 fix inside sleeve pipe 3, utilize the elasticity of first spring 9 with apron 8 and shell 1 zonulae occludens, do not utilize bolted connection, alright realize closing inner core main part 7 inside shell 1 by oneself locking, avoid connecting untight phenomenon through bolted connection for a long time, this embodiment has specifically solved among the prior art inner core of traditional electric tool and need seal the problem that the phenomenon such as easy emergence corrosion of apron fixed screw after long-time use, become flexible causes the inner core to seal untight through the screw in the shell.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. The utility model provides an electric tool powder metallurgy auto-lock inner core, includes inner core main part (7) and shell (1), inside shell (1), its characterized in that are established in inner core main part (7): the outer side of the inner core main body (7) is provided with a self-locking mechanism, and the self-locking mechanism is arranged in the shell (1);
the self-locking mechanism comprises a fixing plate (5), the fixing plate (5) is fixedly arranged at the bottom end inside the shell (1), the fixing plate (5) is fixedly arranged at the bottom end of the inner core main body (7), a plurality of connecting rods (4) are arranged on the outer side of the inner core main body (7), the connecting rods (4) are fixedly arranged at the top end of the fixing plate (5), a sleeve (3) is arranged at the top of each connecting rod (4), one end of each connecting rod (4) extends into the sleeve (3), a first spring (9) is arranged inside each sleeve (3), the first spring (9) is fixedly arranged at one end of each connecting rod (4), a sliding block (16) is fixedly arranged at one end of each first spring (9), the outer end of each sliding block (16) is in contact with the inner wall of the corresponding connecting rod (4), a plurality of spring holes (14) are formed in the outer end of each sliding block (16, second spring (15) one end is fixed and is equipped with spacing post (13), a plurality of draw-in grooves (12) have been seted up on sleeve pipe (3) inner wall, inside spacing post (13) one end extended to draw-in groove (12), slider (16) top is fixed and is equipped with first electro-magnet (11), first electro-magnet (11) and inner core main part (7) electric connection, the fixed iron plate (10) that is equipped with in sleeve pipe (3) inside top.
2. The powder metallurgy self-locking inner core of the electric tool as claimed in claim 1, wherein: and a rubber pad (2) is fixedly arranged on the inner wall of the shell (1).
3. The powder metallurgy self-locking inner core of the electric tool as claimed in claim 1, wherein: a cover plate (8) is embedded at the top end of the shell (1), and one end of the sleeve (3) is fixedly connected with the bottom end of the cover plate (8).
4. The powder metallurgy self-locking inner core of the electric tool according to claim 3, wherein: and a sealing ring (6) is fixedly arranged on the outer side of the cover plate (8), and the sealing ring (6) is in contact with the shell (1).
5. The powder metallurgy self-locking inner core of the electric tool as claimed in claim 1, wherein: a second electromagnet (17) is embedded in the sliding block (16), and the second electromagnet (17) is arranged on the inner side of the spring hole (14).
6. The powder metallurgy self-locking inner core of the electric tool as claimed in claim 1, wherein: the glass plate (18) is inlaid in the front side of the shell (1), and a spongy cushion is fixedly arranged at the top end of the inner core main body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335879.9U CN213186868U (en) | 2020-10-20 | 2020-10-20 | Electric tool powder metallurgy self-locking inner core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335879.9U CN213186868U (en) | 2020-10-20 | 2020-10-20 | Electric tool powder metallurgy self-locking inner core |
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| Publication Number | Publication Date |
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| CN213186868U true CN213186868U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022335879.9U Active CN213186868U (en) | 2020-10-20 | 2020-10-20 | Electric tool powder metallurgy self-locking inner core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143621A (en) * | 2021-05-24 | 2021-07-23 | 吉林大学 | Femoral artery puncture postoperative hemostasis nursing bed for interventional department |
| CN114040616A (en) * | 2021-11-18 | 2022-02-11 | 北京航林创新科技有限公司 | Filter is fixed with coupling assembling that has self-locking structure |
-
2020
- 2020-10-20 CN CN202022335879.9U patent/CN213186868U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143621A (en) * | 2021-05-24 | 2021-07-23 | 吉林大学 | Femoral artery puncture postoperative hemostasis nursing bed for interventional department |
| CN113143621B (en) * | 2021-05-24 | 2022-09-23 | 吉林大学 | Femoral artery puncture postoperative hemostasis nursing bed for interventional department |
| CN114040616A (en) * | 2021-11-18 | 2022-02-11 | 北京航林创新科技有限公司 | Filter is fixed with coupling assembling that has self-locking structure |
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