CN220763229U - Three-point pen refill die structure - Google Patents
Three-point pen refill die structure Download PDFInfo
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- CN220763229U CN220763229U CN202322416205.5U CN202322416205U CN220763229U CN 220763229 U CN220763229 U CN 220763229U CN 202322416205 U CN202322416205 U CN 202322416205U CN 220763229 U CN220763229 U CN 220763229U
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- trapezoid
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- pen refill
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- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides a three-point pen refill mold structure, which belongs to the technical field of pen refill molds and comprises the following components: mould frame, main connection core and vice connection core, circular opening has been seted up on the mould frame, the intercommunication is provided with the fixed pipe of joint on the circular opening, three arc main ball grooves have been seted up on the fixed intraductal wall of joint, three be one hundred twenty degrees settings between the arc main ball groove, three fixedly connected with trapezoidal joint piece on the fixed intraductal wall of joint, three be one hundred twenty degrees settings and with arc main ball groove interval sixty degrees settings between the trapezoidal joint piece, the equal fixedly connected with of core bottom is stabilized to main connection core and vice connection core. The utility model is provided with the arc-shaped main ball groove and the arc-shaped auxiliary ball groove which are matched with each other to internally install the balls, so that higher concentricity can be ensured even if the processing quality of the die is poor or the main connecting core and the auxiliary connecting core deviate.
Description
Technical Field
The utility model relates to the technical field of refill molds, in particular to a three-point refill mold structure.
Background
The original outer frame A304047 of the refill mould RD5015B has poor matching between the axle center and the roll shaft due to overlarge concentricity of the inner diameter, and can cause loosening of a plastic retaining ring or dead rotation of a fan;
for the defects, two kinds of split molds exist, but the two kinds of split molds have certain hidden trouble, because the mold positioning mainly depends on mold positioning components (a guide post guide sleeve, a positioning block and a mold are also designed on a mold core to be positioned with a tiger mouth), the dependence on an insert is far insufficient, because the volume of a general insert is very small, the opposite insertion positioning is relatively troublesome, the mold clamping force of the mold is very large, if the guide post guide sleeve is worn and loosened, the insert is misplaced after the mold clamping, and the inner diameter concentricity of an outer frame center post after the guide post injection molding is relatively large.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a three-point pen refill mold structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the three-point pen refill mold structure comprises a mold outer frame, a main connecting core and an auxiliary connecting core, wherein a circular opening is formed in the mold outer frame, a clamping fixing pipe is communicated with the circular opening, three arc-shaped main ball grooves are formed in the inner wall of the clamping fixing pipe, three arc-shaped main ball grooves are arranged at one hundred twenty degrees, three trapezoid clamping blocks are fixedly connected to the inner wall of the clamping fixing pipe, and three trapezoid clamping blocks are arranged at one hundred twenty degrees and are arranged at sixty degrees with the arc-shaped main ball grooves;
the bottom of the main connecting core and the bottom of the auxiliary connecting core are fixedly connected with stabilizing bases, and the radiuses of the main connecting core and the auxiliary connecting core are the same as the inner diameters of the clamping fixing pipes.
Preferably, three arc auxiliary ball grooves are formed in the side wall of the main connecting core corresponding to the arc main ball grooves, and three trapezoid main grooves are formed in the main connecting core corresponding to the three trapezoid clamping blocks.
Preferably, three trapezoid connecting blocks are arranged on the auxiliary connecting core corresponding to the trapezoid main groove.
Preferably, the upper bottom dimension of the trapezoid connecting block is consistent with the lower bottom dimension of the trapezoid clamping block.
Preferably, the waist size of the trapezoid connecting block is identical with the waist size of the trapezoid clamping block, which is equal to the waist size of the trapezoid main groove after being added.
Preferably, the two stable bases are provided with notches.
Compared with the prior art, the utility model has the following advantages:
the utility model is provided with the arc-shaped main ball groove and the arc-shaped auxiliary ball groove which are matched with each other to internally install the balls, so that higher concentricity can be ensured even if the processing quality of the die is poor or the main connecting core and the auxiliary connecting core deviate.
Drawings
Fig. 1 is a schematic top view of a mold outer frame of a three-point pen refill mold structure according to the present utility model;
fig. 2 is a schematic side view of the inner structure of the outer mold frame of the three-point pen refill mold structure according to the present utility model;
fig. 3 is a schematic front view of a main connecting core of a three-point pen refill mold structure according to the present utility model;
fig. 4 is a schematic top view of a main connecting core of a three-point pen refill mold structure according to the present utility model;
fig. 5 is a schematic front view of a secondary connecting core of a three-point pen refill mold structure according to the present utility model.
In the figure: the die comprises a die outer frame 1, a main connecting core 2, an auxiliary connecting core 3, a clamping fixing pipe 4, an arc-shaped main ball groove 5, a trapezoid clamping block 6, a stable base 7, an arc-shaped auxiliary ball groove 8, a trapezoid main groove 9, a trapezoid connecting block 10 and a circular opening 11.
Description of the embodiments
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1-5, a three-point pen refill mold structure includes:
the die comprises a die outer frame 1, a main connecting core 2 and an auxiliary connecting core 3, wherein a circular opening 11 is formed in the die outer frame 1, a clamping fixing pipe 4 is communicated with the circular opening 11, three arc-shaped main ball grooves 5 are formed in the inner wall of the clamping fixing pipe 4, one hundred twenty degrees of arrangement are formed among the three arc-shaped main ball grooves 5, three trapezoid clamping blocks 6 are fixedly connected to the inner wall of the clamping fixing pipe 4, one hundred twenty degrees of arrangement are formed among the three trapezoid clamping blocks 6, and sixty degrees of arrangement are formed between the three trapezoid clamping blocks and the arc-shaped main ball grooves 5;
the bottoms of the main connecting core 2 and the auxiliary connecting core 3 are fixedly connected with a stable base 7, and the radiuses of the main connecting core 2 and the auxiliary connecting core 3 are the same as the inner diameter of the clamping fixed pipe 4;
three arc auxiliary ball grooves 8 are formed in the side wall of the main connecting core 2 corresponding to the arc main ball grooves 5, the arc main ball grooves 5 can be matched with the arc auxiliary ball grooves 8, two balls are required to be arranged in the arc main ball grooves 5 and the arc auxiliary ball grooves 8, so that higher concentricity is ensured, three trapezoid main grooves 9 are formed in the main connecting core 2 corresponding to the three trapezoid clamping blocks 6, three trapezoid connecting blocks 10 are arranged in the auxiliary connecting core 3 corresponding to the trapezoid main grooves 9, the upper bottom size of each trapezoid connecting block 10 is consistent with the lower bottom size of each trapezoid clamping block 6, the waist size of each trapezoid connecting block 10 is consistent with the waist size of each trapezoid clamping block 6 after being added, the waist size of each trapezoid connecting block is equal to the waist size of each trapezoid main groove 9, the two stable bases 7 are provided with notches, when the main connecting core 2 is actually installed, only the main connecting core 2 is required to be inserted from the bottom of the die outer frame 1, the position of the trapezoid main groove 9 is aligned with the position of the trapezoid clamping block 6, partial space is reserved after the trapezoid clamping block 6 is meshed with the trapezoid main groove 9, the arc-shaped main ball groove 5 is attached to the arc-shaped auxiliary ball groove 8, after the main connecting core 2 is completely installed, the auxiliary connecting core 3 can be inserted from the top of the die outer frame 1, the trapezoid connecting block 10 is aligned with the trapezoid main groove 9, and as the waist length of the trapezoid connecting block 10 and the waist length of the trapezoid clamping block 6 are equal to the waist length of the trapezoid main groove 9, after the trapezoid connecting block 10 is inserted, the trapezoid connecting block 10 and the trapezoid clamping block 6 are completely attached to the trapezoid main groove 9.
The detailed working process of the utility model is as follows:
firstly, the arc-shaped main ball groove 5 can be matched with the arc-shaped auxiliary ball groove 8, and two balls are required to be arranged in the arc-shaped main ball groove 5 and the arc-shaped auxiliary ball groove 8, so that higher concentricity is ensured;
secondly, when actually installing, only need insert main connecting core 2 from mould frame 1 bottom to aim at trapezoidal joint piece 6 position with trapezoidal main tank 9 position, still leave partial space after trapezoidal joint piece 6 and the meshing of trapezoidal main tank 9, arc main ball groove 5 and the laminating of arc vice ball groove 8 this moment, after main connecting core 2 installs completely, can insert vice connecting core 3 from mould frame 1 top, and aim at trapezoidal connecting block 10 trapezoidal main tank 9, because trapezoidal connecting block 10 and the sum of the waist length of trapezoidal joint piece 6 equals trapezoidal main tank 9, after trapezoidal connecting block 10 inserts, trapezoidal connecting block 10 and trapezoidal joint piece 6 can laminate completely with trapezoidal main tank 9.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a three-point pen refill mould structure, includes mould frame (1), main connection core (2) and vice connection core (3), its characterized in that, circular opening (11) have been seted up on mould frame (1), the intercommunication is provided with joint fixed pipe (4) on circular opening (11), three arc main ball groove (5) have been seted up on the fixed pipe (4) inner wall of joint, three be one hundred twenty degrees setting between arc main ball groove (5), fixedly connected with three trapezoidal joint piece (6) on the fixed pipe (4) inner wall of joint, three be one hundred twenty degrees setting and with arc main ball groove (5) interval sixty degrees setting between trapezoidal joint piece (6);
the bottom of the main connecting core (2) and the bottom of the auxiliary connecting core (3) are fixedly connected with a stable base (7), and the radiuses of the main connecting core (2) and the auxiliary connecting core (3) are the same as the inner diameter of the clamping fixing pipe (4).
2. The three-point pen refill mold structure according to claim 1, wherein three arc auxiliary ball grooves (8) are formed in the side wall of the main connecting core (2) corresponding to the arc main ball grooves (5), and three trapezoid main grooves (9) are formed in the main connecting core (2) corresponding to the three trapezoid clamping blocks (6).
3. The three-point pen refill mold structure according to claim 2, wherein three trapezoid connecting blocks (10) are arranged on the auxiliary connecting core (3) corresponding to the trapezoid main groove (9).
4. A three-point pen refill mould structure according to claim 3, characterized in that the upper base dimension of the trapezoid connecting block (10) is identical to the lower base dimension of the trapezoid clamping block (6).
5. A three-point pen refill mold structure according to claim 3, characterized in that the waist size of the trapezoid connecting block (10) is identical to the waist size of the trapezoid clamping block (6) after being added, which is equal to the waist size of the trapezoid main groove (9).
6. A three-point pen refill mould structure according to claim 1, characterized in that both of the stabilizing bases (7) are notched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322416205.5U CN220763229U (en) | 2023-09-06 | 2023-09-06 | Three-point pen refill die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322416205.5U CN220763229U (en) | 2023-09-06 | 2023-09-06 | Three-point pen refill die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763229U true CN220763229U (en) | 2024-04-12 |
Family
ID=90617662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322416205.5U Active CN220763229U (en) | 2023-09-06 | 2023-09-06 | Three-point pen refill die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763229U (en) |
-
2023
- 2023-09-06 CN CN202322416205.5U patent/CN220763229U/en active Active
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