Clip-on current detector with locking device

Abstract

The utility model relates to the technical field of current detectors, in particular to a clamp-shaped current detector with a locking device, which mainly comprises a detector shell, a built-in conditioning plate is arranged at the bottom end of the inner side of the detector shell, one side of the top end of the detector shell is connected with a fixed clamp head, and a locking adjusting assembly comprises a movable clamp head. A guide connecting rod is arranged at the bottom end of the movable tong head, a stop pin is arranged at one end of the guide connecting rod, the butt joint protection assembly comprises an elastic connecting piece, and a buffer pad is arranged on the outer side of the elastic connecting piece. According to the pincer-shaped current detector with the locking device, in the using process, the movable pincer head can be shifted through the handle to form an opening state or a closing state with the fixed pincer head, the electromagnet is arranged on the inner side to control the stop pin to conduct limiting adjustment on the guide connecting rod, locking can be conducted after the pincer heads are closed, the detector is prevented from being used by others at will, and the practicability is high. And the test work is ensured to be safely carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to current detector technical field, concretely is a kind of clamp-on current detector with locking device. BACKGROUND

[0002] Clamp-on current detector (abbreviation "clamp-on meter" or "clamp meter") is a kind of portable tool for measuring current, without disconnecting circuit can directly measure the current in wire. Its core principle is based on current transformer or hall effect (for direct current or alternating current), and the current value is obtained by the jaw induction wire around magnetic field.

[0003] Using clamp-on current detector to test current online is the work that electrician of electric power and industrial and mining enterprises often carries out, and when working, press the handle of detector to make the jaw open, hold the wire, then release the handle, the jaw of detector holds the wire to test, press the handle again to make the jaw open, and the detector can be removed from the wire, but in the testing process, non-working personnel can also remove the detector at will, so that the use of equipment lacks locking function, resulting in that the testing work cannot be carried out, and optimization and improvement are needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of clamp-on current detector with locking device to solve the problem that existing clamp-on current detector is difficult to lock and adjust during use, which affects the progress of testing work.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of clamp-on current detector with locking device, comprising: detector shell, the inside bottom end of the detector shell is provided with built-in conditioning board, and the top end of detector shell is connected with fixed jaw, further comprising locking and adjusting assembly and docking protection assembly:

[0006] The locking and adjusting assembly is arranged in the middle of the inside of detector shell, and the locking and adjusting assembly includes movable jaw, the bottom end of the movable jaw is provided with guide link, and one end of guide link is provided with stop pin, and the locking and adjusting assembly is used for the locking and adjusting of movable jaw;The docking protection assembly is arranged in the inside of movable jaw, and the docking protection assembly includes elastic connecting piece, the outside of the elastic connecting piece is provided with buffer pad, and the docking protection assembly is used for the protection when fixed jaw and movable jaw contact.

[0007] Preferably, the movable jaw is connected to the top end of the detector shell, and the inside bottom end of the movable jaw is connected with a rotating shaft.

[0008] Preferably, the outside of the rotating shaft is provided with a torsional spring, and the outside of the torsional spring is provided with a handle.

[0009] Preferably, the outer side of the handle is connected with an anti-skid strip, and the guide connecting rod is arranged at the inner bottom end of the handle.

[0010] Preferably, the inner middle part of the detector shell is mounted with an electromagnet, and the blocking pin is connected to the inner side of the electromagnet.

[0011] Preferably, the inner part of the movable clamp head is provided with a guide hole, and the elastic connecting piece is arranged in the inner part of the guide hole.

[0012] Preferably, one side of the elastic connecting piece is connected with a guide rod, and the buffer pad is arranged at one side of the guide rod.

[0013] Preferably, the inner part of the buffer pad is provided with a mounting groove, and the inner side of the mounting groove is connected with a magnetic block.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the use process, the movable clamp head can form two states of opening and closing by being actuated by the handle, the opening of the movable clamp head can be realized by actuating the handle, the inner electromagnet controls the blocking pin to limit and adjust the guide connecting rod, the movable clamp head can be locked after being closed, the instrument is prevented from being used by others, and the safety of the test work is ensured;

[0016] When the fixed clamp head and the movable clamp head are close, the contact surface is protected by the buffer pad made of rubber material, the inner guide rod and the elastic connecting piece are arranged to realize elastic guiding and buffering protection, the contact protection efficiency is improved, and the service life is prolonged. DETAILED DESCRIPTION

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view partial section three-dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is a front view partial section three-dimensional structure schematic diagram of the utility model after being opened;

[0020] Figure 4 It is a butt joint protection assembly local separation three-dimensional structure schematic diagram of the utility model.

[0021] In the drawing: 1, detector shell; 2, built-in conditioning plate; 3, fixed clamp head; 4, movable clamp head; 5, electromagnet; 6, blocking pin; 7, rotating shaft; 8, torsional spring; 9, handle; 10, guide connecting rod; 11, anti-skid strip; 12, guide hole; 13, elastic connecting piece; 14, guide rod; 15, buffer pad; 16, mounting groove; 17, magnetic block. Detailed Implementation

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0024] like Figure 1 - Figure 4 As shown, this application provides a clamp current detector with a locking device, including: a detector housing 1, an internal conditioning plate 2 is provided at the bottom inner side of the detector housing 1, and a fixing clamp head 3 is connected to one side of the top of the detector housing 1.

[0025] A locking adjustment assembly is provided in the middle of the inner side of the detector housing 1. The locking adjustment assembly includes a movable jaw 4. A guide rod 10 is provided at the bottom end of the movable jaw 4. A stop pin 6 is provided at one end of the guide rod 10. The locking adjustment assembly is used for locking adjustment of the movable jaw 4.

[0026] Specifically, such as Figure 2 As shown, the movable clamp head 4 is connected to the top end of the detector housing 1, and the inner bottom end of the movable clamp head 4 is connected to the rotating shaft 7, so that the movable clamp head 4 can rotate around the rotating shaft 7 at a certain angle.

[0027] Specifically, such as Figure 2 As shown, a torsion spring 8 is provided on the outer side of the rotating shaft 7, and a handle 9 is provided on the outer side of the torsion spring 8. The handle 9 is directly connected to the movable pliers head 4, and both rotate around the rotating shaft 7. The inner torsion spring 8 can provide elastic support for the initial position of the handle 9.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, an anti-slip strip 11 is connected to the outer side of the handle 9, and a guide rod 10 is located at the bottom inner side of the handle 9. The rotation of the handle 9 will cause the guide rod 10 to slide inside the detector housing 1.

[0029] Specifically, such as Figure 2 and Figure 3As shown, the inner middle part of the detector housing 1 is provided with an electromagnet 5, and the blocking pin 6 is connected to the inner side of the electromagnet 5. The electromagnet 5 is energized or de-energized to make the blocking pin 6 retract or extend. The blocking pin 6 can be used to limit the movement of the guide connecting rod 10.

[0030] The inner side of the movable jaw 4 is provided with a butt joint protection assembly, which comprises a resilient connecting piece 13, and the outer side of the resilient connecting piece 13 is provided with a buffer pad 15. The butt joint protection assembly is used to protect the contact between the fixed jaw 3 and the movable jaw 4.

[0031] Specifically, as shown in the drawings, Figure 4 The inner side of the movable jaw 4 is provided with a guide hole 12, and the resilient connecting piece 13 is arranged in the guide hole 12. One side of the resilient connecting piece 13 is connected with a guide rod 14, and the buffer pad 15 is arranged on one side of the guide rod 14. The inner side of the guide rod 14 is connected with the resilient connecting piece 13, and then the guide rod 14 can slide and adjust in the guide hole 12, and cooperate with the elastic force of the resilient connecting piece 13 to perform buffer protection.

[0032] Specifically, as shown in the drawings, Figure 4 The inner side of the buffer pad 15 is provided with a mounting groove 16, and the inner side of the mounting groove 16 is connected with a magnetic block 17. The buffer pad 15 is made of rubber material, and the mounting groove 16 arranged in the inner side can be adapted to fix the magnetic block 17. When the fixed jaw 3 and the movable jaw 4 are close to each other, the end part can be magnetically fixed to improve the stability of the connection.

[0033] In this embodiment: in use, the movable jaw 4 can be opened or closed with the fixed jaw 3 by rotating the handle 9. The opening of the movable jaw 4 can be achieved by rotating the handle 9. The inner side is provided with an electromagnet 5 to control the blocking pin 6 to limit and adjust the guide connecting rod 10. After the jaw is closed, it can be locked to avoid being used by others. When the fixed jaw 3 and the movable jaw 4 are close to each other, the buffer pad 15 made of rubber material is used to protect the contact surface to reduce the friction generated by the contact. The inner side is provided with a guide rod 14 and a resilient connecting piece 13 for elastic guiding and buffer protection.

[0034] The utility model discloses a current detector, which comprises a fixed jaw 3, a handle 9, a torsion spring 8, a movable jaw 4, a buffer pad 15, a guide rod 14, an elastic connecting piece 13, an electromagnetic iron 5, a blocking pin 6 and a guide connecting rod 10.

[0035] It should be understood by those of ordinary skill in the art that the above discussion of any embodiment is merely exemplary; under the thought of the utility model, the technical features in the above embodiment or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of simplicity.

[0036] The utility model is intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamp-on ammeter with a lockout device, comprising: The utility model provides a detection appearance shell (1), the inside bottom end of detection appearance shell (1) is provided with built-in conditioning plate (2), and the top end side of detection appearance shell (1) is connected with fixed pincers (3), characterized by further comprising: Locking adjusting assembly is arranged in the inside middle part of detection appearance shell (1), and locking adjusting assembly includes movable pincers (4), the bottom end of movable pincers (4) is provided with guide connecting rod (10), and one end of guide connecting rod (10) is provided with stop pin (6), locking adjusting assembly is used for the locking adjustment of movable pincers (4); Docking protection assembly is arranged in the inside of movable pincers (4), and docking protection assembly includes elastic connecting piece (13), the outside of elastic connecting piece (13) is provided with buffer pad (15), and docking protection assembly is used for the protection when fixed pincers (3) and movable pincers (4) contact.

2. The clamp-on ammeter with a lock according to claim 1, wherein, Movable pincers (4) are connected to the top end of detection appearance shell (1), and the inside bottom end of movable pincers (4) is connected with rotating shaft (7).

3. The clamp-on ammeter with a lockout according to claim 2, wherein, The outside of rotating shaft (7) is provided with torsional spring (8), and the outside of torsional spring (8) is provided with handle (9).

4. The clamp-on ammeter with a lock according to claim 3, wherein, The outside of handle (9) is connected with antiskid strip (11), and guide connecting rod (10) is arranged in the inside bottom end of handle (9).

5. The clamp-on ammeter with a lock according to claim 1, wherein, The inside middle part of detection appearance shell (1) is installed with electromagnet (5), and stop pin (6) is connected to the inside of electromagnet (5).

6. The clamp-on ammeter with a lock according to claim 2, wherein, The inside of movable pincers (4) is provided with lead-out hole (12), and elastic connecting piece (13) is arranged in the inside of lead-out hole (12).

7. The clamp-on ammeter with a lockout according to claim 6, wherein, One side of elastic connecting piece (13) is connected with guide rod (14), and buffer pad (15) is arranged in one side of guide rod (14).

8. The clamp-on ammeter with a lock according to claim 7, wherein, The inside of buffer pad (15) is provided with mounting groove (16), and the inside of mounting groove (16) is connected with magnetic attraction piece (17). The inside of buffer pad (15) is provided with mounting groove (16), and the inside of mounting groove (16) is connected with magnetic attraction piece (17).

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