CN210201149U - Ceramic cathode assembly for laser - Google Patents
Ceramic cathode assembly for laser Download PDFInfo
- Publication number
- CN210201149U CN210201149U CN201921345209.6U CN201921345209U CN210201149U CN 210201149 U CN210201149 U CN 210201149U CN 201921345209 U CN201921345209 U CN 201921345209U CN 210201149 U CN210201149 U CN 210201149U
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- cathode
- hole
- groove
- needle
- ceramic
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Abstract
The utility model discloses a ceramic cathode assembly for on laser instrument, this ceramic cathode assembly includes: the cathode seat and the cathode needle are arranged on the upper surface of the cathode seat, and a through hole which is communicated up and down is formed in the middle of the cathode seat; a side groove is formed in the outer side wall of the cathode base, a side hole which is coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base, and a locking sleeve is installed in the side groove; wherein, the cathode needle includes: a first section parallel to the axis direction of the cathode base and a second section extending along the radial direction of the cathode base; one end of the locking sleeve, which is positioned in the through hole, is inwards sunken to form a hole groove, and the end part of the second section of the cathode needle penetrates through the side hole and then is pressed in the hole groove. The ceramic cathode assembly has the advantages of being convenient to mount and dismount, and reducing later maintenance cost.
Description
Technical Field
The utility model relates to a laser instrument specifically relates to a ceramic cathode assembly for on laser instrument.
Background
The laser generates laser beams through the cooperation of the cathode assembly and the anode assembly in the laser, so the cathode assembly is an indispensable assembly in the laser, the damage of a cathode needle can be caused due to long-time work identification, the cathode needle is usually arranged in the cathode assembly as a whole at present, the parts in the cathode assembly are difficult to disassemble and replace independently, the whole cathode assembly needs to be replaced after the damage, and the later maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ceramic cathode assembly for on laser instrument, this ceramic cathode assembly have portable installation and the effect of dismantling, reduce the later maintenance cost.
In order to achieve the above object, the present invention provides a ceramic cathode assembly for use in a laser, the ceramic cathode assembly comprising: the cathode comprises a cathode seat and a cathode needle, wherein a through hole which is communicated up and down is formed in the middle of the cathode seat; a side groove is formed in the outer side wall of the cathode base, a side hole which is coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base, and a locking sleeve is installed in the side groove; wherein the cathode needle includes: a first section parallel to the axis direction of the cathode base and a second section extending along the radial direction of the cathode base; one end of the locking sleeve facing into the through hole is inwards sunken to form a hole groove, and the end part of the second section of the cathode needle penetrates through the side hole and then is pressed in the hole groove.
Preferably, a needle seat is sleeved at the end part of the second section of the cathode needle, the needle seat is partially positioned in the hole groove, and a plurality of pressing pieces are arranged at the part positioned in the empty groove along the circumferential direction of the empty groove; the pressing pieces are enclosed to form a frustum cone structure, a gap is formed between every two adjacent pressing pieces, and the outer diameter of the frustum cone structure gradually decreases towards the direction far away from the cathode needle.
Preferably, the inner diameter of the side groove is larger than that of the side hole, a sealing surface is formed between the side groove and the side hole, a sealing groove is formed at one end, facing the sealing surface, of the locking sleeve, and a sealing ring in contact with the sealing surface is embedded in the sealing groove.
Preferably, an internal thread is arranged in the side groove, an external thread matched with the internal thread is arranged on the outer side of the locking sleeve, and a plurality of wrench holes are formed in the outer end face of the locking sleeve.
Preferably, the first section and the second section of the cathode needle are connected through a right-angled bent section.
Preferably, the upper end of the cathode seat is extendedly provided with a positioning tube with an outer diameter smaller than that of the cathode seat.
Preferably, the lower end of the cathode base is provided with a plurality of mounting threaded holes.
Preferably, the side surface of the cathode base is provided with at least one side threaded hole.
According to the technical scheme, the middle part of the cathode base is provided with a through hole which is communicated up and down; a side groove is formed in the outer side wall of the cathode base, a side hole which is coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base, and a locking sleeve is installed in the side groove; wherein the cathode needle includes: a first section parallel to the axis direction of the cathode base and a second section extending along the radial direction of the cathode base; one end of the locking sleeve facing into the through hole is inwards sunken to form a hole groove, and the end part of the second section of the cathode needle penetrates through the side hole and then is pressed in the hole groove. When the installation is carried out, the end part of the second section is firstly inserted into the side hole, and the end part of the second section is continuously inserted into the hole groove during the installation process to be pressed and fixed. The disassembly process is the reverse of the installation process.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional view of a preferred embodiment of a ceramic cathode assembly;
FIG. 2 is a cross-sectional view of a preferred embodiment of a ceramic cathode assembly from a bottom perspective;
FIG. 3 is a cross-sectional view of one preferred embodiment of a side view of a ceramic cathode assembly;
FIG. 4 is a block diagram of a preferred embodiment of the cathode pin mounted on the locking sleeve;
fig. 5 is a block diagram of a preferred embodiment of the needle hub.
Description of the reference numerals
1 cathode base 2 first section
3 second section 4 locking sleeve
5 installing threaded hole of sealing ring 6
7 sheath 8 spanner hole
9 positioning pipe 10 side thread hole
11 right-angled bend section 12 locking sleeve
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1-5, a ceramic cathode assembly for use on a laser, the ceramic cathode assembly comprising: the cathode base comprises a cathode base 1 and a cathode needle, wherein a through hole which is communicated up and down is formed in the middle of the cathode base 1; a side groove is formed in the outer side wall of the cathode base 1, a side hole coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base 1, and a locking sleeve 4 is installed in the side groove; wherein the cathode needle includes: a first section 2 parallel to the axial direction of the cathode base 1 and a second section 3 extending along the radial direction of the cathode base 1; the locking sleeve 4 is inwards sunken to form a hole groove towards one end in the through hole, and the end part of the second section 3 of the cathode needle penetrates through the side hole and then is pressed in the hole groove.
Through the implementation of the technical scheme, a through hole which is penetrated up and down is formed in the middle of the cathode base 1; a side groove is formed in the outer side wall of the cathode base 1, a side hole coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base 1, and a locking sleeve 4 is installed in the side groove; wherein the cathode needle includes: a first section 2 parallel to the axial direction of the cathode base 1 and a second section 3 extending along the radial direction of the cathode base 1; the locking sleeve 4 is inwards sunken to form a hole groove towards one end in the through hole, and the end part of the second section 3 of the cathode needle penetrates through the side hole and then is pressed in the hole groove. During installation, the end part of the second section 3 is firstly inserted into the side hole, and the end part of the second section 3 is continuously inserted into the hole groove during installation and is pressed and fixed. The disassembly process is the reverse of the installation process.
In this embodiment, in order to further improve the compression locking effect between the second section 3 and the hole groove, it is preferable that the end of the second section 3 of the cathode needle is sleeved with a needle seat 7, the needle seat 7 is partially positioned in the hole groove, and the part positioned in the empty groove is provided with a plurality of pressing pieces 12 along the circumferential direction; the pressing sheets 12 are enclosed to form a frustum cone structure, a gap is formed between every two adjacent pressing sheets 12, and the outer diameter of the frustum cone structure gradually decreases towards the direction far away from the cathode needle. One end of the needle seat 7 extends into the side hole from one side of the side groove and is sleeved on the second section of the cathode needle, at the moment, the outer diameter of one end of the frustum cone structure adjacent to the side hole is enclosed by the plurality of pressing sheets 12 and is larger than the inner diameter of the side hole, the inner diameter of the side hole is limited in the side groove, the diameter of the hole groove is set to be the middle value of the outer diameter of the two ends of the frustum cone structure, at the moment, along with the inward precession of the locking sleeve 4, the locking sleeve 4 extrudes the plurality of pressing sheets 12 to extrude and press towards the second section of the cathode needle, and then.
In this embodiment, in order to further obtain a better sealing effect, preferably, the inner diameter of the side groove is larger than the inner diameter of the side hole, a sealing surface is formed between the side groove and the side hole, a sealing groove is formed at one end of the locking sleeve 4 facing the sealing surface, and a sealing ring 5 contacting with the sealing surface is embedded in the sealing groove.
In this embodiment, in order to further facilitate the installation of the locking sleeve 4, it is preferable that an internal thread is provided in the side groove, an external thread matching the internal thread is provided on the outer side of the locking sleeve 4, and a plurality of wrench holes 8 are provided on the outer end surface of the locking sleeve 4.
In this embodiment, in order to improve the impact resistance of the cathode needle, it is preferable that the first segment 2 and the second segment 3 of the cathode needle are connected by a right-angled bend segment 11.
In this embodiment, in order to facilitate inserting and positioning the cathode holder 1 into other components installed in the laser, it is preferable that the upper end of the cathode holder 1 is extendedly provided with a positioning tube 9 having an outer diameter smaller than that of the cathode holder 1.
In this embodiment, in order to further facilitate positioning and assembling of the cathode base 1, the cathode base 1 is assembled in the laser main body, and preferably, the lower end of the cathode base 1 is provided with a plurality of mounting screw holes 6.
In this embodiment, in order to further improve the stability of the cathode base 1, it is preferable that the side surface of the cathode base 1 is provided with at least one side screw hole 10. The side of the cathode holder 1 is fixed in the laser body.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. A ceramic cathode assembly for use on a laser, the ceramic cathode assembly comprising: the cathode comprises a cathode seat (1) and a cathode needle, wherein a through hole which is communicated up and down is formed in the middle of the cathode seat (1);
a side groove is formed in the outer side wall of the cathode base (1), a side hole which is coaxial with and communicated with the side groove is formed in the inner side wall of the cathode base (1), and a locking sleeve (4) is installed in the side groove; wherein the content of the first and second substances,
the cathode needle includes: a first section (2) parallel to the axis direction of the cathode base (1) and a second section (3) extending along the radial direction of the cathode base (1);
the locking sleeve (4) faces one end in the through hole and is inwards sunken to form a hole groove, and the end part of the second section (3) of the cathode needle penetrates through the side hole and then is pressed in the hole groove.
2. The ceramic cathode assembly for the laser according to claim 1, wherein a needle seat (7) is sleeved on the end of the second section (3) of the cathode needle, the needle seat (7) is partially positioned in the hole groove, and the part positioned in the hole groove is provided with a plurality of pressing sheets (12) along the circumferential direction;
the pressing pieces (12) are enclosed to form a frustum cone structure, a gap is formed between every two adjacent pressing pieces (12), and the outer diameter of the frustum cone structure is gradually reduced towards the direction far away from the cathode needle.
3. The ceramic cathode assembly for the laser according to claim 1, wherein the inner diameter of the side groove is larger than that of the side hole, a sealing surface is formed between the side groove and the side hole, a sealing groove is formed at one end of the locking sleeve (4) facing the sealing surface, and a sealing ring (5) contacting with the sealing surface is embedded in the sealing groove.
4. The ceramic cathode assembly for the laser according to claim 1, wherein an internal thread is arranged in the side groove, an external thread matched with the internal thread is arranged on the outer side of the locking sleeve (4), and a plurality of wrench holes (8) are arranged on the outer end face of the locking sleeve (4).
5. The ceramic cathode assembly for laser according to claim 1, wherein the first segment (2) and the second segment (3) of the cathode needle are connected by a right-angled bend (11).
6. The ceramic cathode assembly for laser according to claim 1, wherein the upper end of the cathode base (1) is extendedly provided with a positioning tube (9) having an outer diameter smaller than that of the cathode base (1).
7. The ceramic cathode assembly for laser according to claim 1, wherein the lower end of the cathode base (1) is provided with a plurality of mounting threaded holes (6).
8. The ceramic cathode assembly for laser according to claim 1, wherein the side of the cathode base (1) is provided with at least one side threaded hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921345209.6U CN210201149U (en) | 2019-08-19 | 2019-08-19 | Ceramic cathode assembly for laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921345209.6U CN210201149U (en) | 2019-08-19 | 2019-08-19 | Ceramic cathode assembly for laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201149U true CN210201149U (en) | 2020-03-27 |
Family
ID=69866067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921345209.6U Expired - Fee Related CN210201149U (en) | 2019-08-19 | 2019-08-19 | Ceramic cathode assembly for laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201149U (en) |
-
2019
- 2019-08-19 CN CN201921345209.6U patent/CN210201149U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20200819 |