CN220731845U - Spring thimble with waterproof function - Google Patents
Spring thimble with waterproof function Download PDFInfo
- Publication number
- CN220731845U CN220731845U CN202321958652.7U CN202321958652U CN220731845U CN 220731845 U CN220731845 U CN 220731845U CN 202321958652 U CN202321958652 U CN 202321958652U CN 220731845 U CN220731845 U CN 220731845U
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- spring
- thimble
- needle cylinder
- needle
- main body
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- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 230000035515 penetration Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000000994 depressogenic effect Effects 0.000 claims 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a spring thimble with a waterproof function, which comprises a fixed seat, a thimble main body and a spring for connecting the fixed seat and the thimble main body; in the device, the thimble main body comprises a needle cylinder, a needle head and an annular blocking piece, wherein the needle head and the annular blocking piece are arranged on the needle cylinder, the thimble main body can enable the needle head and the annular blocking piece to be close to or far away from the fixed seat through the spring, and the annular blocking piece is arranged around the needle cylinder; one end of the fixed seat, which is connected with the spring, is positioned in the needle cylinder, so that a penetration part is formed between the needle cylinder and the fixed seat; when the spring thimble is vertically installed, the annular blocking piece can block liquid on the thimble main body from flowing into the penetration part to corrode the spring, so that the service life and the protective performance of the spring thimble are improved.
Description
[ field of technology ]
The utility model relates to the technical field of ejector pins, in particular to a spring ejector pin with a waterproof function.
[ background Art ]
The spring thimble is generally applied to precise connection in electronic products such as mobile phones, communication, automobiles, illumination, medical treatment, aerospace and the like, and because the spring thimble is a very fine probe, the volume can be very small, and the spring thimble can reduce the weight of a connector, save space, beautify the appearance of a product and the like when applied to a precise connector, so the spring thimble is increasingly used.
The spring thimble comprises a needle, a needle tube and a spring. The needle bottom is typically a bevel configuration. The inclined surface structure has the function of ensuring that the spring thimble keeps the needle head in contact with the inner wall of the needle tube when in operation, and ensuring stable and low impedance by mainly passing current through the gold-plated needle head and the needle tube.
However, the interface area between the needle head and the needle tube in the existing spring thimble structure is easy to be permeated by water or liquid, so that the performance of the spring thimble is reduced, the spring thimble is not beneficial to being used in the device, and the problems of poor protective performance and low safety exist.
In view of this, the present utility model provides a spring thimble with waterproof function to improve the protection effect and safety performance of the spring thimble.
[ utility model ]
The purpose of the utility model is that: the spring thimble with the waterproof function is provided, so that the protection effect and the safety performance of the spring thimble are improved.
In order to achieve the aim, the utility model adopts the technical scheme that the spring thimble with the waterproof function comprises a fixed seat, a thimble main body and a spring for connecting the fixed seat and the thimble main body; the thimble main body comprises a needle cylinder, a needle head arranged on the needle cylinder and an annular blocking piece, and the annular blocking piece is arranged around the needle cylinder; one end of the fixed seat, which is connected with the spring, is positioned in the needle cylinder, so that a penetration part is formed between the needle cylinder and the fixed seat; when the spring thimble is vertically installed, the annular blocking piece can block liquid on the thimble main body from flowing into the penetration part.
On the basis of the scheme, the needle is arranged on one side of the needle cylinder away from the fixed seat, and a connecting part is formed at the joint of the needle and the needle cylinder.
On the basis of the scheme, the section of the annular blocking piece is arranged in a trapezoid shape.
On the basis of the scheme, the fixing seat comprises a sliding part arranged in the needle cylinder and a sliding rod connected with the sliding part, one side, away from the sliding rod, of the sliding part is connected with one end of the spring, and the sliding rod penetrates through the needle cylinder to extend to the lower part of the thimble main body.
On the basis of the scheme, the sliding piece is in clearance fit with the inner wall of the needle cylinder, and when the thimble main body presses the spring, the sliding piece can move in the needle cylinder along the axial direction of the spring.
On the basis of the scheme, an inclined part is arranged on one side, connected with the spring, of the sliding piece, and the inclined part is of an inclined plane structure.
On the basis of the scheme, one side of the sliding piece, which is connected with the spring, is provided with a concave part, the concave part is of a concave structure, and one end of the spring is connected with the inner wall of the concave part.
On the basis of the scheme, a limiting part is arranged on one side, far away from the needle head, of the needle cylinder, and the limiting part is used for limiting the sliding piece in the needle cylinder.
Compared with the prior art, the utility model provides the spring thimble with the waterproof function, which comprises a fixed seat, a thimble main body and a spring for connecting the fixed seat and the thimble main body; the thimble main body comprises a needle cylinder, a needle head arranged on the needle cylinder and an annular blocking piece, wherein the annular blocking piece surrounds the needle cylinder and is positioned at the lower part of the needle cylinder; one end of the fixed seat, which is connected with the spring, is positioned in the needle cylinder, so that a penetration part is formed between the needle cylinder and the fixed seat; when the spring thimble is vertically installed, the annular blocking piece can block liquid on the thimble main body from flowing into the penetration part to corrode the spring, and the service life and the protection performance of the spring thimble are improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of a thimble with waterproof function according to the present utility model;
fig. 2 is a schematic structural diagram of a second embodiment of the present utility model with a waterproof thimble:
the figure shows: spring thimble 100, thimble body 1, needle cylinder 11, needle 12, annular blocking member 13, and limiting part 14; the fixing seat 2, the sliding piece 21, the sliding rod 22, the inclined part 23, the concave part 24 and the connecting piece 25; a spring 3; a penetration part 4;
[ detailed description ] of the utility model
In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As shown in fig. 1-2, the present utility model provides a spring thimble 100 with waterproof function, which comprises a thimble main body 1, a fixing seat 2 and a spring 3, wherein the spring 3 connects the thimble main body 1 and the fixing seat 2; wherein, the fixing seat 2 is a structural member welded on the using equipment, the fixing seat 2 is static in the using process of the spring thimble 100, and the thimble main body 1 can approach or depart from the fixing seat 2 by extruding or compressing the spring 3.
Specifically, the thimble main body 1 includes a needle cylinder 11 and a needle head 12 arranged on the needle cylinder 11, the needle head 12 is positioned at one side of the needle cylinder 11 far away from the fixed seat 2, namely, the top of the needle cylinder 11 is arranged; the spring 3 is arranged in the needle cylinder, one end of the spring 3 is connected with the inner wall of the needle cylinder, and the other end of the spring is connected with the fixed seat 2; one end of the fixed seat 2 connected with the spring 3 is positioned in the needle cylinder 11, so that a permeation part 4 is formed between the needle cylinder 11 and the fixed seat 2; when the spring thimble 100 is vertically installed, the opening of the penetrating part 4 faces downwards, the thimble main body 1 compresses the spring 3, and the fixed seat 2 can move in the needle cylinder 11 along the axial direction of the spring 3; it should be noted that, the movement of the fixing base 2 is relative to the needle cylinder 11, and when the thimble body 1 presses the spring 3, the needle cylinder 11 is driven to move, so that it can be understood that the fixing base 2 moves in the needle cylinder 11.
Further, the needle 12 is integrally formed with the syringe 11, a connection part (not shown) is provided between the needle 12 and the syringe 11, the connection part is formed by arranging the needle 12 on the cylinder of the syringe 11, and as shown in fig. 1, the section of the connection part can be arranged in a right angle shape; as shown in fig. 2, the cross section of the connecting portion may be configured to be arc-shaped, and it should be noted that, the cross section of the connecting portion is configured to be arc-shaped, so that the needle 12 and the needle cylinder 11 can be smoothly transited, and the stress at the joint of the needle 12 and the needle cylinder 11 is prevented from being too concentrated, thereby affecting the normal use of the needle 12.
Specifically, the fixing base 2 includes a sliding member 21 disposed in the needle cylinder 11 and a sliding rod 22 connected to the sliding member 21, and the sliding rod 22 is disposed at the bottom of the sliding member 21; a limiting part 14 is arranged on one side of the needle cylinder 11 far away from the needle 12, and the limiting part 14 is used for limiting the sliding part 21 in the needle cylinder 11; the sliding rod 22 extends to the lower part of the limiting part 14 through the needle cylinder 11, a connecting piece 25 is arranged on the sliding rod 22, the connecting piece 25 is used for installing the spring thimble 100 on the required equipment, namely, the connecting piece 25 is a welding area for connecting external equipment, the structure of the connecting piece 25 is not limited, and the customization can be carried out according to specific requirements.
Wherein, the sliding piece 21 is in clearance fit with the inner wall of the needle cylinder 11, and two ends of the spring 3 are respectively connected with the sliding piece 21 and the inner wall of the needle cylinder 11; as shown in fig. 1, the side of the slider 21 connected to the spring 3 is provided with an inclined portion 23, and the inclined portion 23 has an inclined plane structure, that is, when the thimble body 1 presses the spring 3, the needle cylinder 11 continuously contacts with the slider 21 under the action of the spring 3 due to the inclined portion 23; as shown in fig. 2, a concave portion 24 may be disposed on a side of the slider 21 connected to the spring 3, where the concave portion 24 is in a concave structure, and one end of the spring 3 is connected to an inner wall of the concave portion 24, that is, when the ejector pin main body 1 presses the spring 3, a side wall of the fixing seat 2 may directly abut against an inner wall of the needle cylinder 11.
Specifically, the needle cylinder 11 is provided with an annular blocking member 13, and the annular blocking member 13 surrounds the outer periphery of the needle cylinder 11 and is positioned at the lower part of the needle cylinder 11; the annular blocking piece 13 can block liquid on the thimble body 1 from flowing into the penetration part 4 when the thimble 100 is vertically installed, so that the spring 3 and other structural parts are prevented from being corroded, and the service life and the safety performance of the thimble 100 are improved; further, the cross section of the annular blocking member 13 is arranged in a stepped shape, which can improve the fluidity of the liquid on the annular blocking member 13, so as to facilitate the discharge of the liquid.
In summary, the present utility model provides a spring thimble 100 with waterproof function, which includes a fixing seat 2, a thimble main body 1, and a spring 3 connecting the fixing seat 2 and the thimble main body 1; the thimble main body 1 comprises a needle cylinder 11, a needle head 12 and an annular blocking member 13, wherein the needle head 12 and the annular blocking member 13 are arranged on the needle cylinder 11, the annular blocking member 13 surrounds the needle cylinder 11, and is positioned at the lower part of the needle cylinder 11; one end of the fixed seat 2 connected with the spring 3 is positioned in the needle cylinder 11, so that a permeation part 4 is formed between the needle cylinder 11 and the fixed seat 2; when the spring thimble 100 is vertically installed, the annular blocking piece 13 can block liquid on the thimble main body 1 from flowing into the penetration part 4 to corrode the spring 3, so that the service life and the protection performance of the spring thimble 100 are improved.
The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (8)
1. A spring thimble with waterproof function, its characterized in that: the spring is used for connecting the fixed seat and the thimble main body; the thimble main body comprises a needle cylinder, a needle head arranged on the needle cylinder and an annular blocking piece, and the annular blocking piece is arranged around the needle cylinder; one end of the fixed seat, which is connected with the spring, is positioned in the needle cylinder, so that a penetration part is formed between the needle cylinder and the fixed seat; when the spring thimble is vertically installed, the annular blocking piece can block liquid on the thimble main body from flowing into the penetration part.
2. The spring thimble with waterproof function according to claim 1, wherein: the needle is arranged on one side of the needle cylinder away from the fixed seat, and a connecting part is formed at the joint of the needle and the needle cylinder.
3. The spring thimble with waterproof function according to claim 1, wherein: the cross section of the annular blocking piece is arranged in a trapezoid shape.
4. The spring thimble with waterproof function according to claim 1, wherein: the fixed seat comprises a sliding part arranged in the needle cylinder and a sliding rod connected with the sliding part, one side, far away from the sliding rod, of the sliding part is connected with one end of the spring, and the sliding rod penetrates through the needle cylinder and extends to the lower part of the thimble main body.
5. The spring thimble with waterproof function according to claim 4, wherein: the sliding piece is in clearance fit with the inner wall of the needle cylinder, and can move in the needle cylinder along the axial direction of the spring when the thimble main body presses the spring.
6. The spring thimble with waterproof function according to claim 4, wherein: and an inclined part is arranged on one side of the sliding piece, which is connected with the spring, and the inclined part is of an inclined plane structure.
7. The spring thimble with waterproof function according to claim 4, wherein: the sliding piece with one side that the spring is connected is provided with the depressed part, the depressed part is sunken form structure, just the one end of spring with the inner wall of depressed part is connected.
8. The spring thimble with waterproof function according to claim 4, wherein: one side of the needle cylinder, which is far away from the needle head, is provided with a limiting part, and the limiting part is used for limiting the sliding part in the needle cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958652.7U CN220731845U (en) | 2023-07-24 | 2023-07-24 | Spring thimble with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958652.7U CN220731845U (en) | 2023-07-24 | 2023-07-24 | Spring thimble with waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731845U true CN220731845U (en) | 2024-04-05 |
Family
ID=90502213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321958652.7U Active CN220731845U (en) | 2023-07-24 | 2023-07-24 | Spring thimble with waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731845U (en) |
-
2023
- 2023-07-24 CN CN202321958652.7U patent/CN220731845U/en active Active
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