CN215342168U - Self-protection resistor - Google Patents
Self-protection resistor Download PDFInfo
- Publication number
- CN215342168U CN215342168U CN202121496689.3U CN202121496689U CN215342168U CN 215342168 U CN215342168 U CN 215342168U CN 202121496689 U CN202121496689 U CN 202121496689U CN 215342168 U CN215342168 U CN 215342168U
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- Prior art keywords
- resistor
- shell
- protection
- self
- ring
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- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 description 9
- 230000002633 protecting effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a self-protection resistor, which comprises a resistor body and a shell arranged outside the resistor body; the resistor comprises a resistor body, a pin cover, a protective seat and a protection seat, wherein the pin is arranged at the end part of the resistor body and penetrates through a shell; a plurality of protective rings are arranged inside the shell and are sleeved outside the resistor body; the protection seat is internally provided with a mounting groove, the shell is inserted in the mounting groove, and the shell is connected with the protection seat through a clamping piece; the clamping piece comprises a fixed groove formed in the outer wall of the shell and an elastic fixed head arranged on the inner wall of the mounting groove, and the fixed head is embedded into the fixed groove; the bottom of the protection seat is provided with a hard bottom block. The utility model realizes self-protection of the resistor and better protects the resistor.
Description
Technical Field
The utility model relates to the field of resistor security, in particular to a self-protection resistor.
Background
Resistors are commonly and directly referred to as resistances in daily life. Is a current limiting element, and after a resistor is connected in a circuit, the resistance value of the resistor is fixed, generally two pins, and the resistor can limit the current passing through a branch connected with the resistor. The resistance value that cannot be changed is called a fixed resistor. Variable resistance is called a potentiometer or a variable resistor. Ideally the resistor is linear, i.e. the instantaneous current through the resistor is proportional to the applied instantaneous voltage. A variable resistor for voltage division. On the exposed resistor body, one to two movable metal contacts are pressed. The contact location determines the resistance between either end of the resistor and the contact.
The existing resistor is poor in protection effect, and the resistor is often damaged due to factors such as external vibration in the transportation and storage processes, so that certain influence is brought to the use of the resistor, and therefore, the self-protection type resistor is provided.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to solve current safety protection system, the protection type is single, leads to the protecting effect relatively poor, has brought the problem of certain influence for safety protection system's use, provides a from protection type resistor.
The utility model solves the technical problem through the following technical scheme that the resistor comprises a resistor body and a shell arranged outside the resistor body;
the resistor comprises a resistor body, a pin cover, a protective seat and a protection seat, wherein the pin is arranged at the end part of the resistor body and penetrates through a shell;
the inside of shell is provided with a plurality of guard rings, the guard ring cup joints outside this body of resistance.
Preferably, an installation groove is formed in the protection seat, the shell is inserted in the installation groove, and the shell is connected with the protection seat through a clamping piece;
the embedding of shell is in the mounting groove, and the setting of connecting through the card firmware simultaneously lets being connected more firm between shell and the protection seat.
Preferably, the fixing member includes a fixing groove formed in an outer wall of the housing and an elastic fixing head disposed on an inner wall of the mounting groove, and the fixing head is embedded in the fixing groove;
the setting in the fixed slot is embedded into to the fixed head, and the fixed head has elasticity, and one end is hemispherical for in its embedding fixed slot that can be better, and with the fixed slot fully contact, promote the stability of being connected between protection seat and the shell in the future through frictional force increase, and the fixed head is embedded into the setting in the fixed slot and is protected also very convenience when the seat is demolishd, only need with pull protection seat make the fixed head break away from the fixed slot downwards can.
Preferably, a hard bottom block is arranged at the bottom end of the protective seat;
the bottom block is made of hard materials, so that the protective seat can be more stable to contact with the placing surface, and the falling of the protective seat is avoided.
Preferably, the pin cover comprises a base, a protection column and a top cover, the top cover is arranged at the top end of the protection column, and the base is arranged at the bottom end of the protection column;
through carrying out the setting of base, guard post and overhead guard with the pin cover, let the user can see through the state that the pin can be observed to convenient the resistor of choosing the pin damage in the in-service use process.
Preferably, the top of the shell is provided with a mounting hole, the mounting hole comprises a threaded hole and a through hole, the base is in threaded connection with the inside of the threaded hole, and the pin penetrates through the through hole.
Preferably, the guard ring comprises a first ring body, a second ring body and a third ring body, the first ring body, the second ring body and the third ring body are sequentially arranged from outside to inside, the first ring body and the second ring body are elastic elliptical rings, and the third ring body is a soft cushion ring;
the protection circle has elasticity, can absorb the impact that the resistance body received in transportation and storage process, better protection resistance body, the self-protection of this resistor has been realized, first circle body, the setting of second circle body for elastic elliptical ring, impact and vibrations that the absorption resistor that can be better received, first circle body, the second circle body has elasticity can be out of shape and absorb impact and vibrations, the third circle body can reduce the friction between protection circle and the resistance body for setting up of soft backing ring, reduce the damage that the resistance body received.
Compared with the prior art, the utility model has the following advantages: the self-protection resistor can better protect the resistor through the arranged protection ring, the protection ring comprises a first ring body, a second ring body and a third ring body, the first ring body and the second ring body are arranged in an elastic elliptical ring mode and can better absorb the impact and the vibration of the resistor, the first ring body and the second ring body have elasticity and can deform to absorb the impact and the vibration, the third ring body is arranged in a soft cushion ring mode and can reduce the friction between the protection ring and the resistor body and the damage to the resistor body, meanwhile, the elastic protective seat is arranged to ensure that the resistor can be placed more stably, the better protection that the bottom of its shell can receive lets this resistor can realize better self-protection at the in-process of transportation and storage, has reduced the situation that the resistor receives external force to influence the damage and has taken place, lets this resistor be worth using widely more.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an internal view of the housing of the present invention;
FIG. 3 is an enlarged view at A of FIG. 2 of the present invention;
fig. 4 is a view of the housing of the present invention in combination with a pin shroud;
FIG. 5 is an enlarged view at B of FIG. 4 of the present invention;
fig. 6 is an overall structural view of the lead frame of the present invention;
fig. 7 is a structural view of the guard ring of the present invention.
In the figure: 1. a resistor body; 2. a housing; 21. fixing grooves; 22. mounting holes; 3. a pin; 4. a protective seat; 41. mounting grooves; 42. a bottom block; 43. a fixed head; 5. a lead cover; 51. a base; 52. a protective column; 53. a top cover; 6. a guard ring; 61. a first ring body; 62. a second ring body; 63. and a third ring body.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1 to 7, the present embodiment provides a technical solution: a self-protection resistor comprises a resistor body 1 and a shell 2 arranged outside the resistor body 1;
the shell 2 is used for protecting the resistor body 1 and reducing impact generated by direct impact on the resistor body 1 in the transportation and storage processes;
the resistor comprises a resistor body 1, a pin 3 is arranged at the end part of the resistor body 1, the pin 3 penetrates through a shell 2, a pin cover 5 is arranged at the top end of the shell 2, an elastic protective seat 4 is arranged at the bottom end of the shell 2, and the pin 3 penetrates through the shell 2 and is inserted into the pin cover 5;
the pins 3 are used for connecting the resistor body 1 with a circuit board and the like, and the pin covers 5 are used for protecting the pins 3, so that the situation that the pins 3 are damaged due to collision in the input and storage processes is avoided, and the pins are better protected;
the elastic protective seat 4 is used for enabling the resistor to be placed more stably, and meanwhile, the bottom end of the shell 2 can be better protected;
a plurality of protective rings 6 are arranged inside the shell 2, and the protective rings 6 are sleeved outside the resistor body 1;
the protection ring 6 has elasticity, can absorb the impact that the resistance body 1 received in transportation and storage process, better protection resistance body 1, realized the self protection of this resistor.
The protection seat 4 is internally provided with an installation groove 41, the shell 2 is inserted in the installation groove 41, and the shell 2 is connected with the protection seat 4 through a clamping piece;
the casing 2 is embedded into the mounting groove 41, and the connection between the casing 2 and the protection seat 4 is more stable through the arrangement of the clamping and fixing piece.
The clamping piece comprises a fixing groove 21 arranged on the outer wall of the shell 2 and an elastic fixing head 43 arranged on the inner wall of the mounting groove 41, and the fixing head 43 is embedded into the fixing groove 21;
the setting in fixed slot 21 is embedded into to fixed head 43, fixed head 43 has elasticity, and one end is hemispherical, make its embedding that can be better in the fixed slot 21, and with fixed slot 21 fully contact, promote the stability of being connected between protection seat 4 and the shell 2 in the future through frictional force increase, and fixed head 43 sets up in fixed slot 21 and also very convenience when protecting seat 4 and demolish, only need with pull protection seat 4 downwards make fixed head 43 break away from fixed slot 21 can.
The bottom of protection seat 4 sets up the bottom block 42 of stereoplasm, and bottom block 42 can let protection seat 4 and place the more stable of face contact for setting up of hard material, avoids it to empty.
The pin cover 5 comprises a base 51, a protective column 52 and a top cover 53, wherein the top cover 53 is arranged at the top end of the protective column 52, and the base 51 is arranged at the bottom end of the protective column 52;
through carrying out the setting of base 51, guard post 52 and overhead guard 53 with pin cover 5, let the user can see through pin cover 5 and can observe the state of pin 3 to convenient the resistor of choosing pin 3 damage in the in-service use process.
The top of the shell 2 is provided with a mounting hole 22, the mounting hole 22 comprises a threaded hole and a through hole, the base 51 is in threaded connection with the inside of the threaded hole, and the pin 3 passes through the through hole;
the pin cover 5 is connected in the mounting hole 22 through the base 51 in a threaded manner, so that the pin cover 5 can be conveniently mounted and dismounted by a user, the situation that the pin cover 5 is damaged when the pin cover 5 is dismounted is reduced, and the pin cover 5 can be better recycled.
The guard ring 6 comprises a first ring body 61, a second ring body 62 and a third ring body 63, the first ring body 61, the second ring body 62 and the third ring body 63 are sequentially arranged from outside to inside, the first ring body 61 and the second ring body 62 are elastic elliptical rings, and the third ring body 63 is a soft cushion ring;
In conclusion, when the utility model is used, the resistor body 1 is put into the shell 2, the protective ring 6 for protecting the resistor body 1 is arranged in the shell 2, the pin 3 of the resistor body 1 passes through the shell 2, the pin cover 5 is screwed on the shell 2, the part of the pin 3 passing through the shell 2 is protected, when the resistor needs to be connected to a circuit board, the pin cover 5 is screwed off anticlockwise, the pin 3 is exposed for wiring operation, meanwhile, the protective seat 4 is sleeved on the shell 2 to stably support the whole resistor, so that the damage of the resistor caused by toppling and oscillation of the resistor in the storage and transportation processes is reduced, and when the resistor is required to be used, it can separate protection seat 4 and shell 2 only to need to pull protection seat 4 downwards to make fixed head 43 break away from fixed slot 21, and when making the resistor protectiveness better, it is more convenient to use.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A self-protection resistor is characterized by comprising a resistor body and a shell arranged outside the resistor body;
the resistor comprises a resistor body, a pin cover, a protective seat and a protection seat, wherein the pin is arranged at the end part of the resistor body and penetrates through a shell;
the inside of shell is provided with a plurality of guard rings, the guard ring cup joints outside this body of resistance.
2. A self-protected resistor according to claim 1, wherein: the protection seat is characterized in that a mounting groove is formed in the protection seat, the shell is inserted in the mounting groove, and the shell is connected with the protection seat through a clamping piece.
3. A self-protected resistor according to claim 2, wherein: the clamping piece comprises a fixing groove formed in the outer wall of the shell and an elastic fixing head arranged on the inner wall of the mounting groove, and the fixing head is embedded into the fixing groove.
4. A self-protected resistor according to claim 1, wherein: the bottom of the protection seat is provided with a hard bottom block.
5. A self-protected resistor according to claim 1, wherein: the pin cover comprises a base, a protective column and a top cover, the top cover is arranged at the top end of the protective column, and the base is arranged at the bottom end of the protective column.
6. A self-protected resistor according to any one of claims 1 or 5, wherein: the top of shell has seted up the mounting hole, the mounting hole includes screw hole and thru hole, and base threaded connection is in the inside of screw hole, the pin passes the thru hole.
7. A self-protected resistor according to claim 1, wherein: the protective ring comprises a first ring body, a second ring body and a third ring body, the first ring body, the second ring body and the third ring body are sequentially arranged from outside to inside, the first ring body and the second ring body are elastic elliptical rings, and the third ring body is a cushion ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496689.3U CN215342168U (en) | 2021-07-02 | 2021-07-02 | Self-protection resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496689.3U CN215342168U (en) | 2021-07-02 | 2021-07-02 | Self-protection resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215342168U true CN215342168U (en) | 2021-12-28 |
Family
ID=79564246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121496689.3U Expired - Fee Related CN215342168U (en) | 2021-07-02 | 2021-07-02 | Self-protection resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215342168U (en) |
-
2021
- 2021-07-02 CN CN202121496689.3U patent/CN215342168U/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: 20211228 |