CN217278529U - Low-temperature large-current discharge terminal clamp for storage battery - Google Patents
Low-temperature large-current discharge terminal clamp for storage battery Download PDFInfo
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- CN217278529U CN217278529U CN202220979773.9U CN202220979773U CN217278529U CN 217278529 U CN217278529 U CN 217278529U CN 202220979773 U CN202220979773 U CN 202220979773U CN 217278529 U CN217278529 U CN 217278529U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
A low-temperature large-current discharge terminal clamp for a storage battery comprises a main connecting rod, an auxiliary connecting rod and a tightening handle; the head of the main connecting rod is provided with a counter bore, the middle of the main connecting rod is provided with a first mounting hole, and the tail of the main connecting rod is provided with a mounting through hole for fixing a charging connecting wire; a first semi-conical surface positioning groove and a first rectangular groove are concavely arranged on one side of the head of the main connecting rod, and the first semi-conical surface positioning groove and the first rectangular groove are positioned on the same side; the head part of the auxiliary connecting rod is provided with a yielding hole corresponding to the counter sink, and one side of the head part of the auxiliary connecting rod is also provided with a semi-conical surface positioning groove I and a rectangular groove II which correspond to the semi-conical surface positioning groove I and the rectangular groove I of the head part of the main connecting rod; the tail part of the auxiliary connecting rod is provided with a second mounting hole, and a nut is arranged after the bolt penetrates through the first mounting hole and the second mounting hole; one end part of the tightening handle is provided with an internal thread hole, and the internal thread hole extends along the axial direction of the tightening handle. The conductive coating has the advantages of good electrical conductivity, high temperature resistance, good thermal conductivity, reduced contact internal resistance and convenient operation in the use process.
Description
Technical Field
The utility model belongs to lead acid battery heavy current discharge performance detection area, concretely relates to battery low temperature heavy current discharge terminal anchor clamps.
Background
The low-temperature performance test of the battery is an important process for judging whether the battery meets the standard, the low-temperature heavy-current discharge of the battery needs to be subjected to sampling detection after the production of the battery is finished, positive and negative terminals of the battery need to be connected with equipment, if the contact surface between an equipment connecting line and the battery terminal is too small, the connection internal resistance of the battery terminal can be increased in the heavy-current discharge process, so that the temperature of the terminal is quickly increased, the battery terminal is melted or a plastic part connected with the terminal is over-melted, and the battery is scrapped; meanwhile, in the process of testing the low-temperature performance of the battery, if the contact of the terminal connecting part is poor, the performance of the battery is reduced, and the judgment of a performance test result is influenced.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned not enough of prior art and provide a battery low temperature heavy current discharge terminal anchor clamps frock, have that electric conductivity is good, high temperature resistant, the heat conductivity is good, can reduce the contact internal resistance, use convenient operation can improve low temperature heavy current discharge test accuracy, avoids losing efficacy because of the battery terminal that discharge in-process high temperature caused.
The technical solution is as follows: a low-temperature large-current discharge terminal clamp for a storage battery comprises a main connecting rod, an auxiliary connecting rod and a tightening handle;
the head of the main connecting rod is provided with a counter bore, the middle of the main connecting rod is provided with a first mounting hole, and the tail of the main connecting rod is provided with a mounting through hole for fixing a charging connecting wire;
a first semi-conical surface positioning groove and a first rectangular groove are concavely arranged on one side of the head of the main connecting rod, and the first semi-conical surface positioning groove and the first rectangular groove are positioned on the same side;
the head part of the auxiliary connecting rod is provided with a yielding hole corresponding to the counter sink, and one side of the head part of the auxiliary connecting rod is also provided with a semi-conical surface positioning groove I and a rectangular groove II which correspond to the semi-conical surface positioning groove I and the rectangular groove I of the head part of the main connecting rod;
the tail part of the auxiliary connecting rod is provided with a second mounting hole, and a nut is arranged after the bolt penetrates through the first mounting hole and the second mounting hole;
one end of the tightening handle is provided with an internal thread hole, and the internal thread hole extends along the axial direction of the tightening handle;
another bolt passes the counter sink and steps down the hole after and is connected with the internal thread hole of screwing up handle one end, after the bolt with screw up the handle with main connecting rod and vice connecting rod fastening, half conical surface constant head tank one forms the bell mouth that is used for locking the toper terminal with half conical surface constant head tank two is closed, rectangle recess one forms the rectangular hole that is used for locking square terminal with rectangle recess two is closed.
The tightening handle comprises a main rod and a handle, the handle is perpendicularly welded at one end, far away from the main rod, of the inner threaded hole, and the depth of the inner threaded hole is larger than the length of the threaded portion of the bolt.
And the countersunk hole in the main connecting rod is positioned between the first semi-conical surface positioning groove and the first rectangular groove.
And the central axis of the counter sink is perpendicular to the central axis of the tapered hole.
The aperture of the abdicating hole on the auxiliary connecting rod is not less than the outer diameter of the rod part of the bolt and not more than the outer diameter of the main rod of the screwing handle.
The taper of the taper hole is consistent with that of the electronic terminal, and the taper is 1: 9.
and the first semi-conical surface positioning groove is positioned on one side far away from the tail part of the main connecting rod.
The main connecting rod and the auxiliary connecting rod are made of copper materials with better heat conduction capacity.
The utility model discloses can satisfy the clamp of different grade type and not unidimensional size terminal simultaneously and connect.
The high-current discharging machine is convenient for low-temperature detection of the lead-acid storage battery and is connected with the terminal of the storage battery. Thereby achieving convenient operation and stable connection. Simple structure and convenient use.
The utility model discloses a copper product discharge fixture can derive the heat that the in-process produced that discharges fast through the connecting wire, reduces the terminal temperature of heavy current discharge in-process and terminal inefficacy risk, has improved product low temperature capability test accuracy.
Drawings
Fig. 1 is a top view of the main connecting rod of the present invention;
FIG. 2 is a rear view of the main connecting rod of the present invention;
FIG. 3 is a front view of the auxiliary connecting rod of the present invention;
FIG. 4 is a top view of the auxiliary connecting rod of the present invention;
FIG. 5 is a structural view of the tightening handle of the present invention;
fig. 6 is a schematic structural diagram of a first embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second embodiment of the present invention;
in the figure: 1. the main connecting rod, 2, the auxiliary connecting rod, 3, the screwing handle, 4, the bolt, 5, the storage battery terminal, 6, the mounting through hole, 7, the mounting hole I, 8, the counter sink, 9, the mounting hole II, 10 and the abdicating hole.
Detailed Description
As shown in fig. 1 and fig. 2, the material of main connecting rod 1 is the copper material that heat-transfer ability is better, there is mounting hole 6 at the afterbody of main connecting rod 1, there is mounting hole 7 in the middle part, there is counter sink 8 at the head, mounting hole 6, mounting hole 7 central line between them is parallel to each other, central line and mounting hole 6 of counter sink 8, central line mutually perpendicular between mounting hole 7 and mounting hole, 1 head one side indent of main connecting rod has half conical surface constant head tank one and rectangle recess one, half conical surface constant head tank one and rectangle recess one are located the homonymy, and half conical surface constant head tank one is located and keeps away from 1 afterbody one end of main connecting rod, counter sink 8 on the main connecting rod 1 is located between half conical surface constant head tank one and the rectangle recess one, the center pin and the bell mouth center pin mutually perpendicular of counter sink 8.
As shown in fig. 3 and 4, the auxiliary connecting rod 2 is made of a copper material having a high heat conductivity. The tail part of the auxiliary connecting rod 2 is provided with a mounting hole II 9 corresponding to the mounting hole I7, one side of the head part is provided with a semi-conical surface positioning groove I corresponding to the semi-conical surface positioning groove I, a rectangular groove II corresponding to the rectangular groove I and a yielding hole 10 corresponding to the counter sink hole 8.
As shown in fig. 5, the tightening handle 3 includes a main rod and a handle, the handle is perpendicularly welded to one end of the main rod, an inner threaded hole is formed in one end of the main rod, which is far away from the handle, and the depth of the inner threaded hole is larger than the length of the threaded portion of the bolt 4. The outer diameter of the main rod is larger than the aperture of the abdicating hole 10.
As shown in fig. 6, the mounting through hole 6 on the main connecting rod 1 is connected with the discharge device, the first mounting hole 7 on the main connecting rod 1 and the second mounting hole 9 on the auxiliary connecting rod 2 are connected through the bolt 4, the bolt 4 penetrates through the first mounting hole 7 and the second mounting hole 9 and then is sleeved with the nut, and after the bolt 4 is connected with the nut, the auxiliary connecting rod 2 can still rotate and move. Another bolt 4 passes counter bore 8, step down hole 10 back and the internal thread hole threaded connection who screws up 3 tip of handle, counter bore 8 is the step form of compriseing big step portion and little step portion, little step portion and bolt 4's screw rod portion clearance fit, big step portion is located 4 head complex hexagonal holes of bolt, can be when rotating and screw up handle 3, restriction bolt 4 rotates along the axial, it is convenient to screw up handle 3 and bolt 4, after another bolt 4 and screw up handle 3 and fasten main connecting rod 1 with vice connecting rod 2, half conical surface constant head tank one forms the bell mouth that is used for locking the toper terminal with half conical surface constant head tank two is closed, rectangle recess one forms the rectangular hole that is used for locking square terminal with rectangle recess two is closed. The battery is carrying out low temperature heavy current discharge in-process, loosens screwing up handle 3 earlier, then with the relative half conical surface constant head tank one of main connecting rod 1 and vice connecting rod 2 and half conical surface constant head tank cover on battery terminal 5, then will screw up handle 3 and another bolt 4 and screw up, make main connecting rod 1 and 2 arc surfaces of vice connecting rod and battery terminal 5 combine firmly, accomplish battery low temperature heavy current discharge operation at last. The length of the screw part of the bolt 4 arranged in the counter bore 8 is larger than the sum of the depths of the counter bore 8 and the abdicating hole 10, and the outer diameter of the screw part of the bolt 4 is smaller than the aperture of the abdicating hole 10.
Fig. 7 is a schematic view showing a structure of clamping the square terminal.
Claims (8)
1. The utility model provides a battery low temperature heavy current discharge terminal anchor clamps which characterized in that: comprises a main connecting rod (1), an auxiliary connecting rod (2) and a tightening handle (3);
the head of the main connecting rod (1) is provided with a counter bore (8), the middle of the main connecting rod is provided with a first mounting hole (7), and the tail of the main connecting rod is provided with a mounting through hole (6) for fixing a charging connecting wire;
a first semi-conical surface positioning groove and a first rectangular groove are concavely arranged on one side of the head of the main connecting rod (1), and the first semi-conical surface positioning groove and the first rectangular groove are positioned on the same side;
the head of the auxiliary connecting rod (2) is provided with a yielding hole (10) corresponding to the counter bore (8), and one side of the head of the auxiliary connecting rod (2) is also provided with a semi-conical surface positioning groove I and a rectangular groove II corresponding to the semi-conical surface positioning groove I and the rectangular groove I at the head of the main connecting rod (1);
the tail of the auxiliary connecting rod (2) is provided with a second mounting hole (9), and a nut is arranged after the bolt (4) penetrates through the first mounting hole (7) and the second mounting hole (9);
one end part of the tightening handle (3) is provided with an internal thread hole, and the internal thread hole extends along the axial direction of the tightening handle (3);
another bolt (4) passes behind counter bore (8) and the hole of stepping down (10) and is connected with the internal thread hole of screwing up handle (3) one end, and after main connecting rod (1) and vice connecting rod (2) fastening, half conical surface constant head tank one forms the bell mouth that is used for locking the toper terminal with half conical surface constant head tank two is closed, and rectangle recess one forms the rectangular hole that is used for locking square terminal with rectangle recess two is closed.
2. A low-temperature large-current discharge terminal fixture for storage batteries according to claim 1, characterized in that: the tightening handle (3) comprises a main rod and a handle, the handle is perpendicularly welded at one end, far away from the main rod, of the internal thread hole, and the depth of the internal thread hole is larger than the length of the thread portion of the bolt (4).
3. A low-temperature large-current discharge terminal fixture for storage batteries according to claim 1, characterized in that: and a countersunk hole (8) in the main connecting rod (1) is positioned between the first semi-conical surface positioning groove and the first rectangular groove.
4. A low-temperature large-current discharge terminal fixture for storage batteries according to claim 1 or 3, characterized in that: the central axis of the counter bore (8) is perpendicular to the central axis of the conical bore.
5. A low-temperature large-current discharge terminal fixture for a storage battery as claimed in claim 1, wherein: the aperture of the abdicating hole on the auxiliary connecting rod (2) is not less than the outer diameter of the rod part of the bolt (4) and not more than the outer diameter of the main rod of the tightening handle (3).
6. A low-temperature large-current discharge terminal fixture for storage batteries according to claim 1, characterized in that: the taper of the taper hole is consistent with that of the electronic terminal, and the taper is 1: 9.
7. a low-temperature large-current discharge terminal fixture for storage batteries according to claim 1, characterized in that: and the first semi-conical surface positioning groove is positioned at one side far away from the tail part of the main connecting rod (1).
8. A low-temperature large-current discharge terminal fixture for storage batteries according to claim 1, characterized in that: the main connecting rod (1) and the auxiliary connecting rod (2) are made of copper materials with good heat conduction capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220979773.9U CN217278529U (en) | 2022-04-26 | 2022-04-26 | Low-temperature large-current discharge terminal clamp for storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220979773.9U CN217278529U (en) | 2022-04-26 | 2022-04-26 | Low-temperature large-current discharge terminal clamp for storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217278529U true CN217278529U (en) | 2022-08-23 |
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ID=82878000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220979773.9U Active CN217278529U (en) | 2022-04-26 | 2022-04-26 | Low-temperature large-current discharge terminal clamp for storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217278529U (en) |
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2022
- 2022-04-26 CN CN202220979773.9U patent/CN217278529U/en active Active
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