Lock catch structure and contactor

Abstract

The utility model belongs to the technical field of contactors, and discloses a lock catch structure and a contactor, the lock catch structure comprises a base, a coil seat and a lock catch body, the base is provided with a clamping hole, the coil seat is provided with a containing groove, the lock catch body is provided with a clamping head, the lock catch body is arranged in the containing groove in a sliding mode, and an elastic piece is arranged between the lock catch body and the groove wall of the containing groove. A first sleeve joint is arranged on the lock catch body, a second sleeve joint is arranged on the groove wall of the containing groove, the first sleeve joint and the second sleeve joint are sleeved with the two ends of the elastic piece respectively, and the elastic piece is configured to enable the clamping head to be clamped in the clamping hole; the contactor comprises the lock catch structure. According to the lock catch structure, reliable and stable installation of the two ends of the elastic piece can be guaranteed, the elastic piece is prevented from being accidentally disengaged from the containing groove, the elastic piece is prevented from being lost, and reliable and stable functions of the lock catch structure are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to contactor technical field especially relates to a lock catch structure and contactor. BACKGROUND

[0002] The contactor is a kind of electric switch that can automatically execute circuit on-off, mainly used in industry and power system. It uses the magnetic field generated by the coil energization to drive the contact to close or open by electromagnetic induction principle, so as to realize the on-off control of circuit. The contactor cooperates with thermal relay, and can quickly cut off power under circuit overload condition, to protect equipment and personal safety.

[0003] The coil is one of the core components of the contactor. For some large-specification contactors, the coil component is arranged on the coil seat, so that the coil can be easily disassembled from the contactor base for replacement after being damaged. In the related technology, the lock catch structure of the drawer-type coil seat component is relatively complex, and a spring or other elastic element is arranged between the internal lock catch body and the coil seat. The elastic element is a key component for driving the lock catch body to realize clamping function. However, during the use and disassembly of the drawer-type coil seat component, the elastic element is prone to be ejected from the lock catch body, which may result in loss of the elastic element and affect the overall use of the lock catch structure. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a lock catch structure and contactor, which can ensure reliable and stable installation of both ends of the elastic element, avoid accidental loss of the elastic element, and ensure reliable and stable function of the lock catch structure.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A lock catch structure comprises:

[0007] A base is provided with a clamping hole;

[0008] A coil seat is provided with a receiving groove;

[0009] A lock catch body is provided with a clamping head, and is slidingly arranged in the receiving groove. An elastic element is arranged between the lock catch body and the groove wall of the receiving groove. A first socket is arranged on the lock catch body, a second socket is arranged on the groove wall of the receiving groove, both ends of the elastic element are respectively sleeved in the first socket and the second socket, and the elastic element is configured to make the clamping head clamped in the clamping hole.

[0010] Preferably, a limiting long hole is formed in the lock catch body along the insertion direction of the lock catch body, a limiting head is arranged on the side wall of the receiving groove, and the limiting head is slidingly connected to the limiting long hole.

[0011] Preferably, the side wall of the accommodating groove is provided with a first elastic arm, the limiting head is arranged on the first elastic arm, the lock body is provided with a second elastic arm, and the limiting long hole is arranged on the second elastic arm.

[0012] Preferably, reinforcing ribs are arranged between the first elastic arm and the side wall of the accommodating groove and / or between the second elastic arm and the lock body.

[0013] Preferably, the side end face of the limiting head towards the bottom of the accommodating groove is a guide inclined surface, which extends obliquely away from the bottom of the accommodating groove.

[0014] Preferably, the side wall of the accommodating groove is provided with an avoiding groove for accommodating the clamping head.

[0015] Preferably, the coil seat is provided with a first through hole penetrating into the accommodating groove, the lock body has a side end face for penetrating the first through hole, and the side end face is provided with an operation part, and the hand of the operator pressing the operation part can drive the clamping head to move away from the clamping hole.

[0016] Preferably, the operation part comprises a pressing groove arranged on the side end face.

[0017] Preferably, the groove bottom of the pressing groove is provided with an anti-skid rib, and an anti-falling rib is arranged between the groove opening of the pressing groove and the side end face.

[0018] A contactor comprising the lock structure.

[0019] Advantages:

[0020] The lock structure comprises a lock body and an elastic member arranged between the coil seat and the base, the lock body is inserted into the accommodating groove arranged in the coil seat, the elastic member is arranged in the accommodating groove, one end of the lock body towards the coil seat is provided with a first sleeve joint, the groove bottom of the accommodating groove is provided with a second sleeve joint, and the two ends of the elastic member are respectively sleeved in the first sleeve joint and the second sleeve joint. Under the drive of the elastic member, the lock body is extended out of the accommodating groove, so that the clamping head on the lock body is inserted into and clamped in the clamping hole of the base, and the clamping of the coil seat and the base is realized. When it is necessary to disassemble the coil seat from the base, the operator presses the lock body with the hand, pushes the clamping head out of the clamping hole to release the clamping between the clamping head and the clamping hole, so that the coil seat can be quickly and conveniently disassembled and replaced. In addition, the two ends of the elastic member are respectively sleeved in the first sleeve joint and the second sleeve joint, so that the installation of the two ends of the elastic member is reliable and stable, the elastic member is prevented from being accidentally taken out of the accommodating groove, the elastic member is prevented from being lost, and the function of the lock structure is reliable and stable.

[0021] The contactor provided by the utility model has the lock catch structure, can realize quick and convenient disassembly of the coil seat, and makes the coil seat disassembly and replacement operation more reliable and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the structure schematic view of the contactor part structure connection provided by the utility model;

[0023] Figure 2 is the explosion schematic view of the contactor part structure connection provided by the utility model;

[0024] Figure 3 is the explosion schematic view of the lock catch body and the coil seat part provided by the utility model;

[0025] Figure 4 is the structure schematic view of the lock catch body provided by the utility model;

[0026] Figure 5 is the part structure schematic view of the coil seat provided by the utility model.

[0027] In the drawing:

[0028] 1, base; 11, clamping hole;

[0029] 2, coil seat; 21, accommodating groove; 211, second sleeve joint; 212, avoiding groove; 22, limiting head; 221, guide inclined surface; 23, first elastic arm; 24, reinforcing rib; 25, first perforation;

[0030] 3, lock catch body; 31, clamping head; 32, first sleeve joint; 33, second elastic arm; 331, limiting long hole; 34, side end face; 35, indicating mark; 36, pressing groove; 361, anti-skid rib; 37, anti-falling rib; 4, elastic piece. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings and examples. It can be understood that the specific examples described here are only used for explaining the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawing, not all structures.

[0032] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two elements of the interaction relationship.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0034] In the description of the embodiment, the terms "on", "under", "right", etc. Orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0035] The embodiment provides a contactor, referring to Figures 1 to 5 As shown in the figure, the contactor includes a base 1, a coil seat 2 and a lock body 3, wherein the base 1 is provided with a clamping hole 11, the coil seat 2 is provided with a containing groove 21, the lock body 3 is provided with a clamping head 31, the lock body 3 is slidably arranged in the containing groove 21, an elastic piece 4 is arranged between the lock body 3 and the groove wall of the containing groove 21, the lock body 3 is provided with a first sleeve joint 32, the groove wall of the containing groove 21 is provided with a second sleeve joint 211, the two ends of the elastic piece 4 are respectively sleeved in the first sleeve joint 32 and the second sleeve joint 211, and the elastic piece 4 is configured to make the clamping head 31 clamped in the clamping hole 11.

[0036] In the embodiment, the locking body 3 is extended out of the accommodating groove 21 under the driving of the elastic member 4, so that the clamping head 31 on the locking body 3 extends into and clamps in the clamping hole 11 of the base 1, and the clamping between the coil seat 2 and the base 1 is achieved. When it is needed to disassemble the coil seat 2 from the base 1, the operator presses the locking body 3 with the hand, pushes the clamping head 31 out of the clamping hole 11 to release the clamping between the clamping head 31 and the clamping hole 11, so that the coil seat 2 is quickly and conveniently disassembled and replaced. The contactor applies the above-mentioned locking structure, can realize the quick and convenient disassembly of the coil seat 2, and makes the operation of disassembling and replacing the coil seat 2 more reliable and convenient. In addition, the elastic member 4 is sleeved on the first sleeve joint 32 and the second sleeve joint 211 at both ends, so that the installation of the elastic member 4 at both ends is reliable and stable, the elastic member 4 is prevented from being accidentally taken out of the accommodating groove 21, the elastic member 4 is prevented from being lost, and the function of the locking structure is reliable and stable.

[0037] Optionally, the elastic member 4 is a spring. The spring, the first sleeve joint 32 and the second sleeve joint 211 can be provided with one group or multiple groups according to actual use needs.

[0038] In the embodiment, the locking body 3 is provided with a limiting long hole 331 in the insertion direction of the locking body 3, the side wall of the accommodating groove 21 is provided with a limiting head 22, the side wall of the accommodating groove 21 is provided with the limiting head 22, and the limiting head 22 is slidably connected to the limiting long hole 331. Specifically, the limiting head 22 is slidably connected to the limiting long hole 331 to limit the sliding of the locking body 3 in the accommodating groove 21. The limiting head 22 extends into the limiting long hole 331 and slides relative to the limiting long hole 331, which can provide reliable guiding effect for the sliding extension and contraction of the locking body 3 relative to the accommodating groove 21, and when the limiting head 22 slides to the position of the end of the limiting long hole 331, the sliding of the locking body 3 is limited, and the sliding stroke of the locking body 3 is limited.

[0039] Optionally, the limiting long hole 331 can also be provided on the side wall of the accommodating groove 21, and correspondingly, the limiting head 22 can also be provided on the locking body 3.

[0040] Further, the side wall of the accommodating groove 21 is provided with a first elastic arm 23, and the limiting head 22 is arranged on the first elastic arm 23. The lock body 3 is provided with a second elastic arm 33, and the limiting long hole 331 is arranged on the second elastic arm 33. Specifically, the first elastic arm 23 and the second elastic arm 33 can facilitate the installation between the lock body 3 and the accommodating groove 21. Specifically, when the lock body 3 needs to be installed in the accommodating groove 21, the lock body 3 is pushed into the accommodating groove 21, and the limiting head 22 first abuts against the second elastic arm 33, so that the first elastic arm 23 and the second elastic arm 33 push against each other to deform, so that the limiting head 22 can slide to the end face of the second elastic arm 33 on the side facing the first elastic arm 23, and finally fall into the limiting long hole 331. When the limiting head 22 enters the limiting long hole 331, the first elastic arm 23 and the second elastic arm 33 are restored to the state of pushing against each other, so that the limiting head 22 is reliably and stably connected in the limiting long hole 331.

[0041] Exemplarily, the lock body 3 is provided with the second elastic arm 33 on the opposite sides along the width direction of the lock body 3. The accommodating groove 21 is provided with the first elastic arm 23 on the opposite side walls. The limiting head 22 on the first elastic arm 23 on the same side is correspondingly arranged with the limiting long hole 331 on the second elastic arm 33.

[0042] Further, the first elastic arm 23 and the side wall of the accommodating groove 21 and / or the second elastic arm 33 and the lock body 3 are provided with a reinforcing rib 24. Specifically, the reinforcing rib 24 is arranged between the first elastic arm 23 and the side wall of the accommodating groove 21. By arranging the reinforcing rib 24, the first elastic arm 23 can effectively exert the elastic force, and the connection between the first elastic arm 23 and the side wall of the accommodating groove 21 is further enhanced, so that the first elastic arm 23 is prevented from being broken, and the reliability and stability of the connection of the first elastic arm 23 are ensured.

[0043] Further, the end face of the limiting head 22 on the side facing the groove bottom of the accommodating groove 21 is a guide inclined surface 221. From one end of the limiting head 22 facing the first elastic arm 23 to the other end away from the first elastic arm 23, the guide inclined surface 221 extends obliquely away from the groove bottom of the accommodating groove 21. In this way, when the lock body 3 needs to be pulled out of the accommodating groove 21, the lower end side of the limiting long hole 331 can abut against the guide inclined surface 221, so that the first elastic arm 23 deforms, and the lock body 3 can be reliably and effectively pulled out of the accommodating groove 21.

[0044] Further, the side wall of the accommodating groove 21 is provided with an avoiding groove 212 for accommodating the clamping head 31. The avoiding groove 212 is arranged to provide avoiding space for the clamping head 31 after the clamping head 31 is separated from the clamping hole 11, so as to avoid interference between the clamping head 31 and the coil seat 2. In addition, when the lock body 3 is slidingly inserted into the avoiding groove 212 to the limit position, the clamping head 31 can also abut against the groove bottom of the avoiding groove 212, further providing sliding limit for the lock body 3, and limiting the sliding stroke of the lock body 3. In some alternative embodiments, the clamping head 31 is slidingly connected to the accommodating groove 21, and can cooperate with the sliding between the limiting head 22 and the limiting long hole 331 to further guide the sliding of the lock body 3.

[0045] In the present embodiment, the coil seat 2 is provided with a first through hole 25 penetrating to the accommodating groove 21, and the lock body 3 is provided with a side end surface 34 for penetrating the first through hole 25, and the side end surface 34 is provided with an operation part. Specifically, the hand of the operator pressing the operation part can drive the clamping head 31 to move away from the clamping hole 11, so as to realize convenient and reliable operation of the lock body 3.

[0046] Specifically, the side end surface 34 is provided with an indication mark 35, which can provide indication for the guiding operation of the pressing action of the operator. Exemplarily, the indication mark 35 can be arranged as an arrow pointing to the groove bottom of the accommodating groove 21, so as to prompt the operator to press the lock body 3 inward to release the clamping between the coil seat 2 and the base 1.

[0047] Specifically, in the present embodiment, the operation part includes a pressing groove 36 arranged on the side end surface 34. The fingers of the operator are inserted into the pressing groove 36, and the lock body 3 is forced by pressing the groove bottom of the pressing groove 36, so as to push the clamping head 31 out of the clamping hole 11 to release the clamping between the clamping head 31 and the clamping hole 11, and realize unlocking of the coil seat 2.

[0048] In some other alternative embodiments, the operation part further includes a pressing convex head protruding from the side end surface 34, and the fingers of the operator can also realize the force on the lock body 3 by directly pressing the pressing convex head.

[0049] Specifically, the groove bottom of the pressing groove 36 is provided with an anti-skid rib 361, and the groove opening of the pressing groove 36 is provided with an anti-falling rib 37. The anti-skid rib 361 can increase the friction force between the fingers of the operator and the groove bottom of the pressing groove 36, and the anti-falling rib 37 is used to prevent the fingers of the operator from accidentally falling out of the pressing groove 36 during pressing.

[0050] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A locking structure, characterized in that, include: A base (1) is provided with a card hole (11); A coil holder (2) is provided with a receiving groove (21); The locking body (3) is provided with a locking head (31). The locking body (3) is slidably disposed in the receiving groove (21). An elastic element (4) is provided between the locking body (3) and the groove wall of the receiving groove (21). The locking body (3) is provided with a first sleeve joint (32). The groove wall of the receiving groove (21) is provided with a second sleeve joint (211). The two ends of the elastic element (4) are respectively sleeved on the first sleeve joint (32) and the second sleeve joint (211). The elastic element (4) is configured to make the locking head (31) engage in the locking hole (11).

2. The locking structure according to claim 1, characterized in that, The locking body (3) has a limiting elongated hole (331) along the axial direction of the elastic member (4), and the side wall of the receiving groove (21) is provided with a limiting head (22), which is slidably connected to the limiting elongated hole (331).

3. The locking structure according to claim 2, characterized in that, The side wall of the receiving groove (21) is provided with a first elastic arm (23), the limiting head (22) is provided on the first elastic arm (23), the latch body (3) is provided with a second elastic arm (33), and the limiting elongated hole (331) is opened on the second elastic arm (33).

4. The locking structure according to claim 3, characterized in that, A reinforcing rib (24) is provided between the first elastic arm (23) and the side wall of the receiving groove (21) and / or between the second elastic arm (33) and the locking body (3).

5. The locking structure according to claim 3, characterized in that, The limiting head (22) has a guide slope (221) on one side facing the bottom of the receiving groove (21), and the guide slope (221) extends obliquely away from the bottom of the receiving groove (21).

6. The locking structure according to claim 1, characterized in that, The side wall of the receiving groove (21) is provided with a relief groove (212) for receiving the card head (31).

7. The locking structure according to claim 1, characterized in that, The coil seat (2) has a first through hole (25) that extends into the receiving groove (21). The latch body (3) has a side end face (34) for passing through the first through hole (25). An operating part is provided on the side end face (34). When the operator presses the operating part, the latch head (31) can be driven to move away from the latch hole (11).

8. The locking structure according to claim 7, characterized in that, The operating part includes a pressing groove (36) formed on the side end face (34).

9. The locking structure according to claim 8, characterized in that, The bottom of the pressing groove (36) is provided with anti-slip ribs (361), and anti-detachment ribs (37) are provided between the opening of the pressing groove (36) and the side end face (34).

10. A contactor, characterized in that, Includes the locking structure as described in any one of claims 1-9.

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