CN218210917U

CN218210917U - Heat pipe powder filling deviation prevention device

Info

Publication number: CN218210917U
Application number: CN202222392844.8U
Authority: CN
Inventors: 王勇刚; 刘威风; 王龙; 冼桂海; 熊广武; 杨活林; 任泽明
Original assignee: Guangdong Siquan Thermal Management Technology Co ltd
Current assignee: Guangdong Siquan Thermal Management Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-03
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of heat pipe processing auxiliary assembly technique and specifically relates to a powder filling deviation prevention device for a heat pipe, which comprises a powder cup and a powder core, wherein the powder cup is wrapped on the outer side of the powder core, the powder cup and the two ends of the powder core are both provided with openings for a core rod to pass through, a groove is arranged in the powder core and comprises a first groove section and a second groove section, the side groove wall and the top groove wall of the first groove section are respectively matched with the side wall and the top wall of a copper pipe in an abutting mode, the groove wall of the second groove section is matched with the side wall of the core rod in an abutting mode, a powder groove is arranged on the groove wall of the second groove section and communicated with the first groove section, and the position of the powder groove corresponds to the position of a gap between the core rod and the copper pipe; the application has the advantage of reducing the powder bias phenomenon of the heat pipe.

Description

Heat pipe powder filling deviation prevention device

Technical Field

The application relates to the technical field of heat pipe processing auxiliary equipment, in particular to a powder filling deviation prevention device for a heat pipe.

Background

The heat pipe, also called heat pipe, is a special material with quick heat conduction characteristic, and is widely used as a heat conduction type novel energy-saving and environment-friendly heat pipe. Has been widely used in various fields and plays a role in rapid heat conduction. Is the most common and efficient heat conducting element in the heat dissipation device of the electronic products nowadays.

In the design of a heat pipe product, the outer diameter of the core rod is usually 1-1.5mm smaller than the inner diameter of the copper pipe (refer to fig. 1), and when the difference between the outer diameter of the center rod and the inner diameter of the copper pipe is larger, the shaking deviation space of the center rod in the copper pipe is larger. After the core rod and the copper pipe are assembled, the core rod can swing freely before operation due to the difference between the core rod and the copper pipe.

When the copper powder filling machine is generally used in the industry, powder is manually filled after a product plunger is assembled with a copper pipe, the manual operation is used, particularly, a certain deviation problem occurs in the moving process of the mandrel after the mandrel and the copper pipe are assembled, the slight deviation occurs due to the extrusion force of the copper powder when the powder is leaked unevenly in the powder filling process, the deviation phenomenon is easily caused by the pressure manually vertically and downwards applied, so that the thickness of the copper powder in a powder filling layer is uneven, and finally the powder deviation phenomenon of the sintered product is caused.

Disclosure of Invention

In order to reduce the powder bias phenomenon of the heat pipe, the application provides a powder filling and bias preventing device for the heat pipe.

The application provides a powder is filled to heat pipe prevents inclined to one side device adopts following technical scheme:

a powder filling deviation prevention device for a heat pipe comprises a powder cup and a powder core, wherein the powder cup is wrapped on the outer side of the powder core, the powder cup and the two ends of the powder core are both provided with openings for a core rod to pass through, a groove is formed in the powder core and comprises a first groove section and a second groove section, the side groove wall and the top groove wall of the first groove section are respectively in butt fit with the side wall and the top wall of a copper pipe, the groove wall of the second groove section is in butt fit with the side wall of the core rod, a powder groove is formed in the groove wall of the second groove section and communicated with the first groove section, and the position of the powder groove corresponds to the position of a gap between the core rod and the copper pipe.

Through adopting above-mentioned technical scheme, before filling powder, insert the copper pipe in the first groove section, so that the lateral part cell wall and the top cell wall of first groove section cooperate with lateral wall and the roof butt of copper pipe respectively, realize the relative fixation between copper pipe and the anti-deviation device, insert the plug from the top of powder cup to the second groove section in again, the cell wall of second groove section offsets with the outer wall of plug, realized the relative fixation between plug and the anti-deviation device simultaneously, pour the copper powder into from the open-top of powder cup again, the copper powder enters into in the copper pipe through the powder groove. Compared with the prior art, the anti-deviation device in the application can realize the relative fixation between the core rod and the copper pipe, reduce the situation that the thickness of the copper powder is uneven because the core rod and the copper pipe shake relatively, and further reduce the powder deviation phenomenon of the heat pipe.

Preferably, the bottom of the powder cup is provided with an installation groove, the powder core is inserted in the installation groove, and a connecting piece is arranged between the powder cup and the powder core.

Through adopting above-mentioned technical scheme, the back in the powder core inserts the mounting groove, realizes through the connecting piece that can dismantle between powder core and the powder cup is connected, because powder core and powder cup all need carry out manufacturing procedure such as fluting, powder core and powder cup separately processing make, have reduced the holistic processing degree of difficulty of anti-deviation device.

Preferably, a guide inclined plane is arranged at the notch of the mounting groove.

Through adopting above-mentioned technical scheme, the direction inclined plane plays the guide effect, and when there was slight deviation in the position that the powder core inserted the mounting groove, the edge of powder core offset with the direction inclined plane, and the direction inclined plane can guide the powder core and remove corresponding mounted position.

Preferably, the connecting piece sets up to snap ring, the annular has been seted up to the inside of mounting groove, snap ring joint in the annular, snap ring's upper surface with the bottom butt cooperation of powder core.

Through adopting above-mentioned technical scheme, after in inserting the mounting groove when powder core, operating personnel can extrude the snap ring, so that snap ring takes place elastic deformation, make snap ring can enter into the mounting groove, snap ring enters into the mounting groove in back, snap ring resumes the shape under the elastic force of self, and the card goes into in the annular, because snap ring's upper surface and the cooperation of the bottom butt of powder core, and then play limiting displacement to powder core, realized the relative fixation between powder cup and the powder core.

Preferably, the elastic clamping ring is arranged in a semi-closed mode, and the two ends of the elastic clamping ring are provided with the insertion holes.

Through adopting above-mentioned technical scheme, circlip is the semi-enclosed setting, and the deformation volume is bigger, and operating personnel changes in the dynamics of mastering control circlip deformation, and simultaneously, the jack can supply operating personnel to insert through the instrument to the extrusion is located the circlip in the annular.

Preferably, the top of the powder cup is arranged in a funnel shape.

Through adopting above-mentioned technical scheme, the powder cup top is hopper-shaped setting, and then the inner wall of powder cup sets up for the slope to make the powder cup change in the powder that falls.

Preferably, the edges of the outer surfaces of the powder cup and the powder core are arranged in a round angle mode.

Through adopting above-mentioned technical scheme, the surface edge of powder cup and powder core all is the fillet setting, has reduced the sharpness at powder cup and powder core edge, improves the comfort level when operating personnel grips powder cup and powder core.

Preferably, the surfaces of the powder cup and the powder core are provided with electroplated layers.

By adopting the technical scheme, the electroplated layers are arranged on the surfaces of the powder cup and the powder core, and the electroplated layers can improve the wear resistance, the conductivity, the light reflection property and the corrosion resistance of the powder cup and the powder core.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the anti-deviation device can realize the relative fixation between the core rod and the copper pipe, reduce the occurrence of uneven thickness of copper powder caused by the relative shaking of the core rod and the copper pipe, and further reduce the powder deviation phenomenon of the heat pipe;

2. after the powder core is inserted into the mounting groove, the powder core is detachably connected with the powder cup through the connecting piece, and the powder core and the powder cup can be processed separately due to the fact that the powder core and the powder cup need to be subjected to grooving and other processing procedures, so that the overall processing difficulty of the deviation prevention device is reduced;

3. the outer surface edge of powder cup and powder core all is the fillet setting, has reduced the sharpness at powder cup and powder core edge, improves the comfort level when operating personnel grips powder cup and powder core.

Drawings

Fig. 1 is a schematic view of the structure of a heat pipe.

Fig. 2 is a schematic view of the overall structure of the heat pipe in the embodiment of the present application.

Fig. 3 is a perspective view of an embodiment of the present application.

Fig. 4 is a schematic view of another angle of fig. 2.

Description of reference numerals: 1. a copper pipe; 2. a core rod; 3. a powder cup; 31. mounting grooves; 311. a guide slope; 4. a powder core; 41. a groove; 411. a first groove section; 412. a second groove section; 5. an elastic snap ring; 51. and (4) inserting the jack.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a heat pipe powder filling deviation prevention device. Referring to fig. 2 and 3, a heat pipe powder filling deviation prevention device comprises a powder cup 3 and a powder core 4, wherein the powder cup 3 is sleeved outside the powder core 4, and two ends of the powder cup 3 and the powder core 4 are both arranged in an opening manner so as to allow a copper pipe 1 to be inserted and a core rod 2 to pass through. In this embodiment, the powder cup 3 is made of AL6061, the powder core 4 is made of YG-8 tungsten steel, and the surfaces of the powder cup 3 and the powder core 4 are both subjected to sandblasting silver brightening treatment. Meanwhile, the surfaces of the powder cup 3 and the powder core 4 are provided with electroplated layers, and the electroplated layers can improve the wear resistance, the conductivity, the light reflection property and the corrosion resistance of the powder cup 3 and the powder core 4.

Specifically, the inside of the powder core 4 is provided with the groove 41, the cross section of the groove 41 is in a T-shaped arrangement, the groove 41 comprises a first groove section 411 and a second groove section 412, the first groove section 411 is communicated with the second groove section 412, the first groove section 411 and the second groove section 412 are both in a cylindrical arrangement, and the caliber of the first groove section 411 is smaller than that of the second groove section 412. When the anti-deviation device is in a use state, the side groove wall and the top groove wall of the first groove section 411 are respectively in butt fit with the side wall and the top wall of the copper pipe 1, and the first groove section 411 realizes the relative fixation of the copper pipe 1 and the powder core 4 in the horizontal direction. Meanwhile, the groove wall of the second groove section 412 is in abutting fit with the side wall of the core rod 2, and the second groove section 412 realizes the relative fixation of the core rod 2 and the powder core 4 in the horizontal direction. Therefore, the first groove section 411 and the second groove section 412 are matched to realize the relative fixation of the core rod 2 and the powder core 4 in the horizontal direction.

In addition, a plurality of powder grooves 42 are formed in the groove wall of the second groove section 412, the plurality of powder grooves 42 are circumferentially arranged outside the second groove section 412, the second groove section 412 and the powder grooves 42 are combined to form a quincunx groove-shaped structure, and two ends of the powder grooves 42 are respectively communicated with the first groove section 411 and the opening of the powder cup 3. Meanwhile, the position of the powder groove 42 corresponds to the position of the gap between the mandrel bar 2 and the copper tube 1.

Before powder is filled, the copper pipe 1 is inserted into the first groove section 411, so that the side groove wall and the top groove wall of the first groove section 411 are respectively abutted and matched with the side wall and the top wall of the copper pipe 1, the copper pipe 1 and the deviation prevention device are relatively fixed, the core rod 2 is inserted into the second groove section 412 from the top of the powder cup 3, the groove wall of the second groove section 412 is abutted against the outer wall of the core rod 2, meanwhile, the core rod 2 and the deviation prevention device are relatively fixed, copper powder is poured into the powder cup 3 from the top opening, and the copper powder enters the copper pipe 1 through the powder groove 42. Compared with the prior art, the anti-deviation device in the application can realize the relative fixation between the core rod 2 and the copper pipe 1, reduce the situation that the thickness of the copper powder is uneven due to the relative shaking of the core rod 2 and the copper pipe 1, and further reduce the powder deviation phenomenon of the heat pipe.

Furthermore, the top of the powder cup 3 is funnel-shaped, and the inner wall of the powder cup 3 is inclined, so that the powder cup 3 is more prone to powder falling.

Referring to fig. 3 and 4, on the other hand, specifically, the bottom of the powder cup 3 is provided with a mounting groove 31, the mounting groove 31 is arranged in a cylindrical shape, the powder core 4 is inserted into the mounting groove 31, and the side groove wall and the top groove wall of the mounting groove 31 are respectively abutted and matched with the side wall and the top of the powder core 4. Meanwhile, a connecting piece for realizing the relative fixation of the powder cup 3 and the powder core 4 is arranged between the two.

Further, a guide slope 311 is provided at the notch of the mounting groove 31, and the guide slope 311 inclines from the outer side of the powder cup 3 toward the inside of the mounting groove 31. In the present embodiment, the guide slope 311 mainly plays a role of guiding, and when there is a slight deviation in the position where the powder core 4 is inserted into the mounting groove 31, the edge of the powder core 4 abuts against the guide slope 311, and the guide slope 311 can guide the powder core 4 to move to the corresponding mounting position.

Correspondingly, the connecting piece is being for snap ring 5, and snap ring 5's interior bore is less than the bore of mounting groove 31, and snap ring 5 is the semi-enclosed setting, and snap ring 5's edge is provided with a breach promptly for snap ring 5's deformation volume is bigger, and operating personnel changes in the dynamics of mastering 5 deformations of control snap ring. Simultaneously, the annular has been seted up to the cell wall of mounting groove 31, and the annular is cyclic annular setting, and after powder cup 3 and powder core 4 installed, 5 joints of snap ring are in the annular, the upper surface of snap ring 5 with the bottom butt cooperation of powder core 4.

Specifically, after powder core 4 inserts in mounting groove 31, operating personnel can extrude circlip 5, so that circlip 5 takes place elastic deformation, make circlip 5 can enter into mounting groove 31 in, circlip 5 enters into mounting groove 31 in the back, circlip 5 resumes the shape under the elastic force of self, and the card goes into in the annular, because circlip 5's upper surface and powder core 4's bottom butt cooperation, and then play limiting displacement to powder core 4, realized the relative fixation between powder cup 3 and the powder core 4.

Furthermore, the two ends of the elastic clamping ring 5 are both provided with insertion holes 51, the insertion holes 51 can be inserted by an operator through a tool, and it should be noted that the tool can be a rod-shaped tool. Because inside back of snap ring 5 card income annular, snap ring 5's most region hides in the annular, only is used for showing the outside to the spacing subregion of powder core 4, and the operating personnel accessible is with the instrument insert jack 51 in, can be convenient for more extrude the snap ring 5 that is located the annular to make snap ring 5 and annular take place to break away from, tear snap ring 5 out.

The implementation principle of the powder filling deviation prevention device for the heat pipe in the embodiment of the application is as follows: before powder is filled, the copper pipe 1 is inserted into the first groove section 411, so that the side groove wall and the top groove wall of the first groove section 411 are respectively abutted and matched with the side wall and the top wall of the copper pipe 1, the copper pipe 1 and the deviation prevention device are relatively fixed, the core rod 2 is inserted into the second groove section 412 from the top of the powder cup 3, the groove wall of the second groove section 412 is abutted against the outer wall of the core rod 2, meanwhile, the core rod 2 and the deviation prevention device are relatively fixed, copper powder is poured into the powder cup 3 from the top opening, and the copper powder enters the copper pipe 1 through the powder groove 42. Compared with the prior art, the anti-deviation device in the application can realize the relative fixation between the core rod 2 and the copper pipe 1, reduce the situation that the thickness of the copper powder is uneven due to the relative shaking of the core rod 2 and the copper pipe 1, and further reduce the powder deviation phenomenon of the heat pipe.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A powder filling deviation prevention device for a heat pipe is characterized in that: including powder cup (3) and powder core (4), powder cup (3) cladding in the outside of powder core (4), powder cup (3) with the both ends of powder core (4) all are the opening setting in order to supply plug (2) to pass, recess (41) have been seted up to powder core (4) inside, recess (41) include first groove section (411) and second groove section (412), the lateral part cell wall and the top cell wall of first groove section (411) respectively with the lateral wall and the roof butt cooperation of copper pipe (1), the cell wall of second groove section (412) and the lateral wall butt cooperation of plug (2), powder groove (42) have been seted up to the cell wall of second groove section (412), powder groove (42) with first groove section (411) intercommunication, the position of powder groove (42) corresponds with the position in the clearance between plug (2) and the copper pipe (1).

2. A powder filling deviation prevention device for a heat pipe as defined in claim 1, wherein: the bottom of the powder cup (3) is provided with an installation groove (31), the powder core (4) is inserted in the installation groove (31), and a connecting piece is arranged between the powder cup (3) and the powder core (4).

3. A powder filling deviation prevention device for a heat pipe as claimed in claim 2, wherein: and a guide inclined plane (311) is arranged at the notch of the mounting groove (31).

4. A powder filling deviation prevention device for a heat pipe as claimed in claim 2, wherein: the connecting piece sets up to snap ring (5), the annular has been seted up to the inside of mounting groove (31), snap ring (5) joint in the annular, the upper surface of snap ring (5) with the bottom butt cooperation of powder core (4).

5. A powder filling deviation prevention device for a heat pipe as claimed in claim 4, wherein: the elastic clamping ring (5) is arranged in a semi-closed mode, and the two ends of the elastic clamping ring (5) are provided with jacks (51).

6. A powder filling deviation prevention device for a heat pipe as defined in claim 1, wherein: the top of the powder cup (3) is funnel-shaped.

7. A powder filling deviation prevention device for a heat pipe as defined in claim 1, wherein: the outer surface edges of the powder cup (3) and the powder core (4) are arranged in a round angle mode.

8. A powder filling deviation prevention device for a heat pipe as defined in claim 1, wherein: and electroplated layers are arranged on the surfaces of the powder cup (3) and the powder core (4).