CN215641468U - Universal meter for frequency source production - Google Patents
Universal meter for frequency source production Download PDFInfo
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- CN215641468U CN215641468U CN202121916377.3U CN202121916377U CN215641468U CN 215641468 U CN215641468 U CN 215641468U CN 202121916377 U CN202121916377 U CN 202121916377U CN 215641468 U CN215641468 U CN 215641468U
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- frequency source
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Abstract
The utility model provides a universal meter for frequency source production, which comprises a main body, a display area, a knob, wires, a holding rod and a contact device, wherein the display area, the knob, a button and two wires are arranged on the main body, one end of each wire is connected with the holding rod, the bottom of the holding rod is provided with the contact device, the contact device comprises a metal tube, a reset spring, a cushion block, a metal rod and a metal sleeve, the metal tube is embedded into the bottom of the holding rod, one end of the metal tube is connected with the reset spring, one end of the reset spring abuts against the cushion block, the metal rod is fixed in the cushion block, and one end of the metal rod is sleeved with the metal sleeve. The metal rod can move up and down in the middle of the metal cylinder, and the tension of the return spring acts between the cushion block and the metal cylinder, so that the metal sleeve at the bottom of the metal rod is always attached to the conductor, and the metal sleeve has the advantage of stable wiring.
Description
Technical Field
The utility model relates to the technical field of universal meters, in particular to a universal meter for frequency source production.
Background
The universal meter can be used for equipment for detecting current, resistance and voltage, a power supply of the universal meter is not needed when the current and the voltage are measured, and the power supply of the universal meter is needed when the resistance is detected by the universal meter, so that the universal meter is required to be self-provided with the power supply;
referring to the universal watch in the prior art, a conical metal head is generally used for contacting a conductor in a detection circuit, and the metal head cannot be attached to the conductor all the time due to the fact that the metal head cannot stretch out and draw back, so that poor contact and inconvenience in use are caused, and therefore the universal watch with stable contact is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, a conical metal head is generally used for contacting a conductor in a detection circuit, the metal head cannot be always attached to the conductor due to the fact that the metal head cannot stretch out and draw back, and the contact is poor and the use is inconvenient, so that a universal meter for frequency source production is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a universal meter is used in frequency source production, includes main part, display area, knob, wire, handheld pole and contact device, be provided with display area, knob, button and two wires in the main part, the one end of wire is connected with handheld pole, but the bottom of handheld pole is equipped with the contact device.
Further preferably, the contact device comprises a metal tube, a reset spring, a cushion block, a metal rod and a metal sleeve, wherein the metal tube is embedded into the bottom of the holding rod, the reset spring is connected to one end of the metal tube, one end of the reset spring abuts against the cushion block, the metal rod is fixed in the cushion block, and the metal sleeve is sleeved at one end of the metal rod.
Preferably, the side surface of the metal cylinder is connected with the lead, the metal rod movably penetrates through the middle of the metal cylinder, and two ends of the return spring respectively abut against the metal cylinder and the cushion block.
Further preferably, the length of the metal rod is twice that of the metal cylinder, the bottom of the metal rod is in an inverted cone shape, and the inclination angle of the metal rod is 70-80 degrees.
Further preferably, the metal sleeve is in a hollow conical shape, the metal sleeve is matched with one end of the metal rod, and the inclination angle of the metal sleeve is 70-80 degrees.
Further preferably, the bottom of the metal cylinder is matched with the metal sleeve, the inclination angle of the bottom of the metal cylinder is 70-80 degrees, and the bottom of the metal cylinder is sleeved with the metal sleeve.
Further preferably, the rubber sleeve is sleeved on the outer side of the holding rod, the front button of the main body is provided with two buttons, and the main body, the knob and the wire are electrically connected.
The utility model has the beneficial effects that: the metal rod can reciprocate in the centre of a metal section of thick bamboo, and reset spring's pulling force is used between cushion and a metal section of thick bamboo, ensures that the metal sheathing of metal rod bottom hugs closely all the time on the conductor, has the stable advantage of wiring, and the metal rod removes in the centre of a metal section of thick bamboo, and a metal section of thick bamboo can be hugged closely with the metal rod, makes the wiring stable, and the metal sheath is overlapped on a metal section of thick bamboo after the metal rod shrink, and further the wiring of ensureing between metal sheath and the metal section of thick bamboo is stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the grab bar of the present invention;
FIG. 3 is an enlarged schematic view of the metal can of the present invention;
fig. 4 is a schematic view of the use of the metal can of the present invention.
In the figure: the display device comprises a main body 1, a display area 2, a knob 3, a lead 4, a holding rod 5, a metal cylinder 6, a return spring 7, a cushion block 8, a metal rod 9, a metal sleeve 10, a button 11 and a rubber sleeve 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a universal meter for frequency source production comprises a main body 1, a display area 2, a knob 3, wires 4, a holding rod 5 and a contact device, wherein the display area 2, the knob 3, a button 11 and two wires 4 are arranged on the main body 1, one end of each wire 4 is connected with the holding rod 5, and the bottom of the holding rod 5 is provided with the contact device.
Preferably, rubber sleeve 12 has been cup jointed in the outside of handspike 5, and the front button 11 of main part 1 is provided with two buttons 11, equal electric connection between main part 1, knob 3 and the wire 4, and rubber sleeve 12 is used for increasing the frictional force between the handspike 5.
In this embodiment, but contact device includes a metal section of thick bamboo 6, reset spring 7, cushion 8, metal pole 9 and metal covering 10, and the bottom embedding of holding pole 5 is provided with a metal section of thick bamboo 6, and the one end of a metal section of thick bamboo 6 is connected with reset spring 7, and reset spring 7's one end is supported on cushion 8, is fixed with metal pole 9 in the cushion 8, and metal covering 10 has been cup jointed to the one end of metal pole 9.
Preferably, the side of the metal cylinder 6 is connected with the wire 4, the metal rod 9 is movably penetrated in the middle of the metal cylinder 6, two ends of the reset spring 7 are respectively abutted against the metal cylinder 6 and the cushion block 8, the metal cylinder 6 is fixed at the bottom of the holding rod 5, and the metal cylinder 6 has the advantage of convenience in installation.
Preferably, the length of the metal rod 9 is twice of the length of the metal cylinder 6, the bottom of the metal rod 9 is in an inverted cone shape, the inclination angle of the metal rod 9 is 70-80 degrees, the metal rod 9 can move in the middle of the metal cylinder 6, the metal cylinder 6 is in contact with the metal rod 9, and the metal sleeve 10 at the bottom of the metal rod 9 is ensured to be in stable contact.
Preferably, the metal sleeve 10 is in a hollow conical shape, the metal sleeve 10 is matched with one end of the metal rod 9, the inclination angle of the metal sleeve 10 is 70-80 degrees, the metal sleeve 10 can extend into different depths due to the shape, the end part of the metal sleeve 10 can accurately abut against the conductor, and the use is very convenient.
Preferably, the bottom of the metal cylinder 6 is matched with the metal sleeve 10, the inclination angle of the bottom of the metal cylinder 6 is 70-80 degrees, the metal sleeve 10 at the bottom of the metal cylinder 6 is sleeved, and the metal sleeve 10 abuts against the bottom of the metal cylinder 6, so that a current loop can be formed between the metal cylinder 6 and the metal sleeve 10 by bypassing the metal rod 9, and the stability of wiring is further ensured.
Wherein, the display area 2 is used for displaying data; the knob 3 is used for adjusting the voltage and current detection range; the lead wire 4 is the same as the connecting body 1 and the metal cylinder 6.
When the electric hand-held device is used, firstly, the knob 3 is rotated to adjust the applicable range of voltage and current, secondly, two hands respectively hold the rubber sleeves 12 on the surface of the holding rod 5, secondly, the two metal sleeves 10 are respectively abutted in conductors of a circuit, the holding rod 5 is pressed forcibly, the return spring 7 is stretched, the metal rod 9 moves upwards in the metal cylinder 6, the metal sleeves 10 are tightly attached to the bottom of the metal cylinder 6 as shown in the attached figure 4 of the specification, the pulling force of the return spring 7 acts on the cushion block 8, the metal sleeves 10 at the bottom of the metal rod 9 are pulled by the pulling force to be tightly attached to the conductors, and the voltage and the current of the conductors between the two metal sleeves 10 are detected and displayed through the display area 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a universal meter is used in frequency source production, includes main part (1), display area (2), knob (3), wire (4), grab bar (5) and contact device, be provided with display area (2), knob (3), button (11) and two wires (4) on main part (1), the one end of wire (4) is connected with grab bar (5), its characterized in that: the bottom of the holding rod (5) is provided with a contact device.
2. The universal meter for frequency source production according to claim 1, wherein the contactable device comprises a metal cylinder (6), a return spring (7), a cushion block (8), a metal rod (9) and a metal sleeve (10), the metal cylinder (6) is embedded in the bottom of the holding rod (5), the return spring (7) is connected to one end of the metal cylinder (6), one end of the return spring (7) abuts against the cushion block (8), the metal rod (9) is fixed in the cushion block (8), and the metal sleeve (10) is sleeved at one end of the metal rod (9).
3. The universal meter for producing frequency sources according to claim 2, wherein the side of the metal cylinder (6) is connected with the lead (4), and the metal rod (9) is movably inserted through the middle of the metal cylinder (6).
4. The frequency source production universal meter according to claim 2, wherein the length of the metal rod (9) is twice the length of the metal cylinder (6), and the bottom of the metal rod (9) has an inverted conical shape.
5. Universal watch for frequency source production according to claim 2, characterised in that said metal sleeve (10) is in the form of a hollow cone, the angle of inclination of the metal sleeve (10) being between 70 ° and 80 °.
6. The universal watch for frequency source production according to claim 2, wherein the bottom of said metal cylinder (6) is fitted with a metal sleeve (10), and the bottom metal sleeve (10) of the metal cylinder (6) is sleeved.
7. The universal watch for producing the frequency source according to claim 1, wherein a rubber sleeve (12) is sleeved on the outer side of the holding rod (5), two buttons (11) are arranged on the front buttons (11) of the main body (1), and the main body (1), the knob (3) and the wire (4) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916377.3U CN215641468U (en) | 2021-08-16 | 2021-08-16 | Universal meter for frequency source production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916377.3U CN215641468U (en) | 2021-08-16 | 2021-08-16 | Universal meter for frequency source production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641468U true CN215641468U (en) | 2022-01-25 |
Family
ID=79898693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121916377.3U Active CN215641468U (en) | 2021-08-16 | 2021-08-16 | Universal meter for frequency source production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641468U (en) |
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2021
- 2021-08-16 CN CN202121916377.3U patent/CN215641468U/en active Active
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