CN204558172U - A kind of solid variable resistance - Google Patents
A kind of solid variable resistance Download PDFInfo
- Publication number
- CN204558172U CN204558172U CN201520119516.8U CN201520119516U CN204558172U CN 204558172 U CN204558172 U CN 204558172U CN 201520119516 U CN201520119516 U CN 201520119516U CN 204558172 U CN204558172 U CN 204558172U
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- Prior art keywords
- insulated tube
- binding post
- hollow insulated
- resistance
- variable resistance
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Abstract
The utility model discloses a kind of solid variable resistance, comprise insulation framework, described insulation framework is wrapped resistance coil, the two ends of resistance coil connect the first binding post and the second binding post respectively; Described solid variable resistance also comprises hollow insulated tube and a regulating block, hollow insulated tube wrap insulate skeleton and resistance coil, and the upper side wall of hollow insulated tube offers axial groove; Described regulating block and hollow insulated tube are slidably connected by axial groove, and one end of regulating block is connected with the second binding post by wire, and the sliding metal sheet of regulating block contacts with resistance coil and connects; The two ends of described hollow insulated tube respectively connect an insulation end socket; Described insulation end socket be axially arranged with through hole, the diameter of through hole is greater than the diameter of the first binding post and the second binding post.The utility model can the binding post of available protecting variable resistance from outside destroy, and its resistance coil is arranged in hollow insulated tube, solves ash and causes the coarse problem of resistor resistance.
Description
Technical field
The utility model relates to electronic devices and components field, particularly relates to a kind of solid variable resistance.
Background technology
In order to adapt to the fast development of rapid photo detector, the kind of resistor is more and more various, and existing resistor is divided into wire resistor, chip-resistance, crystal resistance etc. usually.Resistor is an element for electric current in limiting circuit, its two ends are equipped with binding post, connect in circuit, generally by the binding post at its two ends by resistor, the binding post at resistor two ends, without any safeguard procedures, easily suffers outside destroy.Can resistor be changed and be divided into fixed resistor and variable resistance according to its resistance.Variable resistance, on the resistive element that it is exposed, pressed against one or two and can move hard contact, the resistance between contact position determination resistive element either end and contact.Existing rheostatic coil is generally exposed in the external world, easy dust stratification, thus cause the coarse problem of resistance value, therefore need regularly to clear up it, but general cleaning means can not meet its demand, after certain hour, this variable resistance cannot use, and cause the waste of resource.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of solid variable resistance, by the outside installing insulating end socket at resistor binding post, the breakage problem that can effectively prevent outside destroy from causing, and the resistance coil of variable resistance is arranged in the hollow insulated tube of a sealing by the utility model, efficiently solves ash and causes the coarse problem of resistor resistance.
The utility model adopts following technical scheme:
A kind of solid variable resistance, comprise insulation framework, described insulation framework is wrapped resistance coil, the two ends of resistance coil connect the first binding post and the second binding post respectively; Described solid variable resistance also comprises hollow insulated tube and a regulating block, and hollow insulated tube is wrapped in insulation framework and resistance coil, and the upper side wall of hollow insulated tube offers axial groove; Described regulating block and hollow insulated tube are slidably connected by axial groove, and one end of regulating block is connected with the second binding post by wire, and the sliding metal sheet of regulating block contacts with resistance coil and connects; The two ends of described hollow insulated tube respectively connect an insulation end socket; Described insulation end socket be axially arranged with through hole, the diameter of through hole is greater than the diameter of the first binding post and the second binding post.
As preferred version of the present utility model, described insulation framework is ceramic skeleton; Described resistance coil is alloy coil.
As preferred version of the present utility model, described hollow insulated tube is transparent PC pipe.
As preferred version of the present utility model, for spiral is connected between described hollow insulated tube with insulation end socket.
As preferred version of the present utility model, outside the lower wall of described hollow insulated tube, be provided with symmetrical L-type support; The top of described support is arc, and the radius of arc is identical with the radius of hollow insulated tube.
As preferred version of the present utility model, the length of described axial groove is consistent with the overlay length of resistance coil in insulation framework.
The beneficial effects of the utility model:
(1) the utility model structure is simple, and materials cost is low, has good popularizing application prospect.
(2) the utility model is by the outside installing insulating end socket at resistor binding post, the breakage problem that can effectively prevent outside destroy from causing, and the resistance coil of variable resistance is arranged in the hollow insulated tube of a sealing by the utility model, efficiently solves ash and causes the coarse problem of resistor resistance.
(3) the utility model arranges chute by the upper side wall insulated in hollow, and make regulating block can be good at sliding in chute, facilitate regulating resistance, and hollow insulated tube is transparent, simple to operate, accuracy is high.
(4) the utility model is provided with support by the outside of the lower wall insulated in hollow, for fixing solid variable resistance of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, the solid variable resistance of a kind of embodiment of the present utility model, comprises insulation framework 1, and insulation framework 1 of the present utility model is ceramic skeleton; Described insulation framework 1 is wrapped resistance coil 2, and what the resistance coil 2 in the utility model adopted is alloy coil, and the two ends of resistance coil 2 connect the first binding post 3 and the second binding post 4 respectively; Described solid variable resistance also comprises a hollow insulated tube 5 and regulating block 6, hollow insulated tube 5 is wrapped in insulation framework 1 and resistance coil 2, the upper side wall of hollow insulated tube 1 offers axial groove 7, the length of axial groove 7 is consistent with the overlay length of resistance coil 2 in insulation framework 1, and regulating block 6 can be slided on whole resistance coil 2; Described regulating block 6 is slidably connected by axial groove 7 with hollow insulated tube 5, one end of regulating block 6 is connected with the second binding post 4 by wire, the sliding metal sheet of regulating block 6 contacts with resistance coil 2 and connects, when axially groove 7 slides regulating block 6, sliding metal sheet and then slides together on resistance coil 2, to obtain suitable resistance value, what the hollow insulated tube 5 in the utility model adopted is transparent PC pipe, operator can observe the situation in hollow insulated tube 5 at any time, decides glide direction and the slip amplitude of regulating block 6; The two ends of described hollow insulated tube 5 respectively connect an insulation end socket 8, are connected for spiral between hollow insulated tube 5 with insulation end socket 8, such design greatly facilitate the end socket 8 that insulate with changing; Described insulation end socket 8 be axially arranged with through hole, the diameter of through hole is greater than the diameter of the first binding post and the second binding post, make the first binding post 3 and there is certain gap between the second binding post 4 and insulation end socket 8, when replacing insulation end socket 8, can not impact the first binding post 3 and the second binding post 4.Symmetrical L-type support 9 is also provided with outside the lower wall of hollow insulated tube 5 of the present utility model; The top of described support 9 is arc, and the radius of arc is identical with the radius of hollow insulated tube 5.
Obviously, above-described embodiment of the present utility model is for the citing that the utility model does clearly is described, and is not the restriction of the execution mode to utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without the need to also cannot illustrating one by one to all implementation methods.And these belong to the technical solution of the utility model the apparent change of extending out or variation still belong to the row of protection range of the present utility model.
Claims (6)
1. a solid variable resistance, is characterized in that: comprise insulation framework (1), described insulation framework (1) is wrapped resistance coil (2), and the two ends of resistance coil (2) connect the first binding post (3) and the second binding post (4) respectively; Described solid variable resistance also comprises a hollow insulated tube (5) and regulating block (6), hollow insulated tube (5) wrap insulate skeleton (1) and resistance coil (2), and the upper side wall of hollow insulated tube (5) offers axial groove (7); Described regulating block (6) and hollow insulated tube (5) are slidably connected by axial groove (7), and one end of regulating block (6) is connected with the second binding post (4) by wire, and the sliding metal sheet of regulating block (6) contacts with resistance coil (2) and connects; The two ends of described hollow insulated tube (5) respectively connect an insulation end socket (8); Described insulation end socket (8) be axially arranged with through hole, the diameter of through hole is greater than the diameter of the first binding post and the second binding post.
2. a kind of solid variable resistance according to claim 1, is characterized in that: described insulation framework (1) is ceramic skeleton; Described resistance coil (2) is alloy coil.
3. a kind of solid variable resistance according to claim 1, is characterized in that: described hollow insulated tube (5) is managed for transparent PC.
4. a kind of solid variable resistance according to claim 1, is characterized in that: for spiral is connected between described hollow insulated tube (5) with insulation end socket (8).
5. a kind of solid variable resistance according to claim 1, is characterized in that: be provided with symmetrical L-type support (9) outside the lower wall of described hollow insulated tube (5); The top of described support (9) is arc, and the radius of arc is identical with the radius of hollow insulated tube (5).
6. a kind of solid variable resistance according to claim 1, is characterized in that: the length of described axial groove (7) is consistent with the overlay length of resistance coil (2) in insulation framework (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119516.8U CN204558172U (en) | 2015-02-28 | 2015-02-28 | A kind of solid variable resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119516.8U CN204558172U (en) | 2015-02-28 | 2015-02-28 | A kind of solid variable resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204558172U true CN204558172U (en) | 2015-08-12 |
Family
ID=53833256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119516.8U Expired - Fee Related CN204558172U (en) | 2015-02-28 | 2015-02-28 | A kind of solid variable resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204558172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674214A (en) * | 2022-05-25 | 2022-06-28 | 中国重型机械研究院股份公司 | Forming area wall thickness measuring device for liquid expansion pipe |
-
2015
- 2015-02-28 CN CN201520119516.8U patent/CN204558172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674214A (en) * | 2022-05-25 | 2022-06-28 | 中国重型机械研究院股份公司 | Forming area wall thickness measuring device for liquid expansion pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160808 Address after: 988 314006 Jiaxing Road, Zhejiang province Nanhu District Branch Road (Jiaxing city) Patentee after: STARPOWER SEMICONDUCTOR LTD. Address before: Changchun Industrial Park in Yiyang City, he Jia Qiao Road 413001 in Hunan Province, Ziyang District No. 28 Patentee before: Hunan Zhi Ren Science and Technology Ltd. |
|
| 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: 20150812 Termination date: 20170228 |