CN205266094U - Card rail mounting structure of electrical apparatus - Google Patents

Abstract

The utility model provides a card rail mounting structure of electrical apparatus, includes the electrical apparatus base, in the recess on electrical apparatus base bottom plate outer wall is settled to the slider, spring wire pass slider and both ends respectively with the first stopper contact at base both ends, spring wire produces the precompression under the extrusion of first stopper. Add the second stopper respectively in base both ends inboard, the second stopper is located between first stopper and the slider, and the second stopper extrudees spring wire one side, and increase spring wire's precompression makes the slider more firm with mounting rail edge locking, and first stopper and second stopper are located the spring wire both sides respectively, follows both sides and carries out spacing cooperation to the spring wire of bending. Through add the second stopper on the base, increased the precompression of spring wire and base, prevent that the steel wire from droing, the product uses more reliably.

Description

Electric rail installation structure

technical field

The utility model relates to the field of low-voltage electrical appliances, in particular to a rail mounting structure for electrical appliances.

Background technique

The existing rail installation structure on the market usually includes a structure on the base of the electrical appliance that can be locked with the edge of the installation rail, and at the same time, a sliding piece is provided on the other side of the base for locking and matching with the other edge of the installation rail. A spring steel wire is arranged between the base and the base. However, before the electrical appliance is installed on the mounting rail, due to the small deformation of the steel wire, the pre-pressure at both ends of the steel wire and the limit of the base is small. During the transportation of the product or under vibration, the steel wire may fall off from the limit of the base; At the same time, during the multiple disassembly and assembly processes of the product and the mounting rail, the multiple deformations of the steel wire will lead to permanent deformation, which will reduce the deformation and elastic force when it cooperates with the sliding part, and will also cause friction between the two ends of the steel wire and the base. The limit preload is reduced, causing the spring steel wire to fall off.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide a rail installation structure of electrical appliances with simple structure and reliable function.

In order to achieve the above object, the utility model adopts the following technical solutions:

A rail mounting structure for an electrical appliance, comprising an electrical appliance base 1, a sliding piece 2 placed in a groove 106 on the electrical appliance base 1, a spring steel wire 3 passing through the sliding piece 2, and two ends of the first two ends of the base 1 respectively. The limit block 4 is in contact, and a second limit block 5 that increases the preload of the spring steel wire 3 is added on the inner side of the two ends of the base 1, and the second limit block 5 is located between the first limit block 4 and the slider; The limit block 4 and the second limit block 5 carry out limit cooperation on the bent spring steel wire 3 from both sides of the spring steel wire 3 respectively.

Further, the height difference H2 between the second limit block 5 and the first limit block 4 matched with both ends of the spring steel wire 3 is greater than the height difference H1 of spring deformation when only the first limit block 4 is used.

Further, the second limiting block 5 is provided with a second draft angle β on the side wall in contact with the spring steel wire 3 to prevent the steel wire from falling off, and the first limiting block 4 is on the side in contact with the spring steel wire 3 The wall is provided with a first draft angle α to prevent the steel wire from falling off.

Further, the base 1 is provided with a groove 106 for placing the sliding part 2 and the spring steel wire 3, the groove 106 is in the shape of a cross as a whole, the sliding part 2 slides in the longitudinal groove of the cross-shaped groove 106, and the spring steel wire 3 Through the slide 2 is fixed in the transverse groove of the groove 106 .

Further, the transverse grooves of the groove 106 are arranged symmetrically on both sides with the longitudinal groove as the axis, and each side is provided with the opening 104, the second limiting groove 102 and the first limiting groove 101 in turn, and the second One side of the limit groove 102 communicates with the longitudinal groove through the opening 104, the first limit groove 101 communicates with the second limit groove 102 and is located at the end corner of the other side of the second limit groove 102; A side wall of a limiting groove 101 forms the first limiting block 4 , and a side wall of the opening 104 forms the second limiting block 5 .

Further, the other side wall of the opening 104 is inclined toward the bottom of the opening to form an opening slope 107 for easy installation of the spring steel wire 3 .

Further, the slider 2 is located in the longitudinal groove of the groove 106, and includes a sliding plate 205 at the bottom and a guiding strip structure 202 vertically arranged on the sliding plate 205. The strip structure 202 is provided with a spring steel wire Through the steel wire hole 204, one end of the sliding plate 205 is vertically provided with a handle structure 201, and the other end is provided with a clamp structure 203 for locking the edge of the mounting rail.

Further, the two side walls of the longitudinal groove of the groove 106 are provided with limiting structures 103 extending inwardly of the longitudinal groove, and the limiting structures 103 on the two side walls of the longitudinal groove form a barrier that allows the strip structure 202 to pass through. Guide gap, the width of the handle structure 201 is larger than the guide gap formed by the limit structure 103 on the two side walls to limit the sliding position of the sliding plate 205, and the clip structure 203 can lock one side of the installation rail under the elastic force of the spring steel wire 3 the edge of.

Further, the sliding plate 205 includes two elastic arms 208 respectively located on both sides of the strip structure 202, there is a gap between the elastic arms 208 and the strip structure 202, and the ends of the elastic arms 208 are provided with protrusions extending outward. The ear 209 is correspondingly provided with a limiting chute 108 matching with the lug 209 on the side wall of the longitudinal groove of the groove 106 .

Further, the depth of the first limiting groove 101 is smaller than the depth of the second limiting groove 102 .

The clamping rail installation structure of the electrical appliance of the utility model increases the pre-pressure of the spring steel wire and the base by adding second limit blocks at both ends of the base to prevent the steel wire from falling off, and the product is more reliable in use. The spring steel wire and the sliding block are arranged in the cross-shaped groove to realize the rail installation structure, and the structure is simple and the assembly is convenient.

Description of drawings

Figure 1 is a schematic diagram of the rail installation structure without the second limit block

Fig. 2 is a schematic diagram of the rail installation structure of the utility model electric appliance

Figure 3 is a schematic cross-sectional view of A-A in Figure 2

Fig. 4 is a schematic diagram of the B-B section of Fig. 2

detailed description

The specific implementation of the rail installation structure of the electrical appliance of the present invention will be further described below in conjunction with the embodiments given in accompanying drawings 1 to 4 . The rail installation structure of the electric appliance of the present invention is not limited to the description of the following embodiments.

As shown in Fig. 1-4, the rail mounting structure of the electrical appliance of the present invention includes an electrical appliance base 1, and the sliding member 2 is arranged in the groove 106 on the outer wall of the bottom plate of the electrical appliance base 1, and the spring steel wire 3 passes through the sliding member 2 and the two ends are respectively In contact with the first limiting blocks 4 at both ends of the base 1 , the spring steel wire 3 generates a preload under the extrusion of the first limiting blocks 4 . A second limit block 5 is respectively added inside the two ends of the base 1, the second limit block 5 is located between the first limit block 4 and the slider, and the second limit block 5 squeezes one side of the spring steel wire 3 , increase the preload of the spring steel wire, so that the sliding part 2 and the edge of the mounting rail are locked more firmly, the first limit block 4 and the second limit block 5 are respectively located on both sides of the spring steel wire 3, and the curved spring steel wire is fixed from both sides. 3 Carry out limit fit. By adding a second limit block on the base, the preload of the spring steel wire and the base is increased to prevent the steel wire from falling off, and the product is more reliable in use. The spring steel wire can be straight, and of course it can also be pre-pressed into an arc.

There is a height difference H2 between the second limit block 5 and the first limit block 4 that is matched with both ends of the spring steel wire, which is greater than the height difference H1 of the normal deformation of the spring when only the first limit block 4 is used. , so that the spring steel wire deforms between the two limit blocks to generate preload. As shown in Figure 4, the second limit block 5 is provided with a second draft angle β on the side wall in contact with the spring steel wire 3, which can better prevent the steel wire from falling off, as shown in Figure 3, the first A limit block 4 is provided with a first draft angle α on the side wall in contact with the spring steel wire 3 to prevent the steel wire from falling off.

The base 1 is provided with a groove 106 for placing the sliding part 2 and the spring steel wire 3, the groove 106 is in the shape of a cross as a whole, the sliding part 2 slides in the longitudinal groove of the cross-shaped groove 106, and the spring steel wire 3 passes through The slider 2 is fixed in a transverse groove of the groove 106 . The transverse groove of the groove 106 is arranged symmetrically on both sides with the longitudinal groove as the axis, and each side is provided with the opening 104, the second limiting groove 102 and the first limiting groove 101 in sequence, and the second limiting groove One side of 102 communicates with the longitudinal groove through the opening 104, the first limiting groove 101 communicates with the second limiting groove 102 and is located at the end corner of the other side of the second limiting groove 102, the first limiting groove The depth of the groove 101 is smaller than the depth of the second limiting groove 102 . The spring steel wire and the sliding block are arranged in the cross-shaped groove to realize the rail installation structure, and the structure is simple and the assembly is convenient.

The side wall of the first limit groove 101 forms the first limit block 4, and the side wall of the opening 104 forms the second limit block 5; the side wall of the first limit groove 101 forms the first limit block 4 is inclined Set to form the first draft angle α, the side wall of the opening 104 forming the second limiter 5 is inclined to form the second draft angle β, and the other side wall of the opening 104 is inclined to the bottom of the opening to facilitate the installation of spring steel wire 3 opening slope 107. The end of the spring steel wire 3 is slightly bent and enters the first limiting groove 101 through the opening 104 and the second limiting groove 102, and is blocked by the first limiting block 4 and the second limiting block 5, thereby generating a preload.

The slider 2 is located in the longitudinal groove of the groove 106, and includes a sliding plate 205 at the bottom and a guiding strip structure 202 vertically arranged on the sliding plate 205. The strip structure 202 is provided with a spring wire to pass through. The steel wire hole 204, one end of the sliding plate 205 is vertically provided with a handle structure 201, and the other end is provided with a clamp structure 203 for locking the edge of the mounting rail. The two sidewalls of the longitudinal groove of the groove 106 are provided with the limit structure 103 extending in the longitudinal groove, the limit structure 103 on the two sidewalls of the longitudinal groove forms a guide gap that allows the strip structure 202 to pass through, and the handle The width of the structure 201 is larger than the guide gap formed by the limit structure 103 on the two side walls to limit the sliding position of the sliding plate 205 , and the clip structure 203 can lock the edge of one side of the installation rail under the elastic force of the spring steel wire 3 . Preferably, the sliding plate 205 includes two elastic arms 208 respectively located on both sides of the strip structure 202, there is a gap between the elastic arms 208 and the strip structure 202, and the ends of the elastic arms 208 are provided with outwardly extending The lug 209 is correspondingly provided with a limiting chute 108 matching with the lug 209 on the side wall of the longitudinal groove of the groove 106 . By arranging the elastic arm 208 , the slider 2 can be limited and protected, and the requirements on the precision of cooperation between the slider 2 and the groove 106 can be effectively reduced.

When assembling the rail installation structure of the electric appliance of the present utility model, the integrally formed sliding part 2 is inserted into the groove 106 from the side, the strip structure 202 enters the guiding gap formed by the limiting structure 103, and the handle structure 201 is limited by the guiding gap. , the lug 209 on the elastic arm 208 slides into the limit chute 108; the spring steel wire 3 passes through the steel wire hole 204 on the strip structure 202, and the bending at both ends is controlled by the first limit block 4 and the second limit block. Block 5 is fixed to generate pre-pressure. When in use, after locking the edge on one side of the mounting rail, pull the handle structure 201 to retract the clip structure 203, snap the edge of the other side of the mounting rail in and release the handle structure 201, under the elastic force of the spring steel wire 3 Next, the clip structure 203 protrudes to lock the edge on the other side of the mounting rail.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (10)

1. A rail mounting structure for an electrical appliance, comprising an electrical appliance base (1), characterized in that: the sliding part (2) is placed in the groove (106) on the electrical appliance base (1), and the spring steel wire (3) passes through The two ends of the sliding part (2) are respectively in contact with the first limit blocks (4) at both ends of the base (1), and the second limit blocks for increasing the preload of the spring steel wire (3) are respectively added on the inner sides of the two ends of the base (1) Block (5), the second limit block (5) is located between the first limit block (4) and the slider; the first limit block (4) and the second limit block (5) are separated from the spring steel wire ( 3) Carry out space-limiting fit for the bent spring steel wire (3) on both sides. 2. The rail installation structure of electrical appliances according to claim 1, characterized in that: the height between the second limit block (5) and the first limit block (4) matched with the two ends of the spring steel wire (3) The difference (H2) is greater than the height difference (H1) of spring deformation when only the first stopper (4) is used. 3. The rail installation structure of electrical appliances according to claim 1, characterized in that: the second limit block (5) is provided with a second stop on the side wall in contact with the spring steel wire (3) to prevent the steel wire from falling off. draft angle (β), the first limit block (4) is provided with a first draft angle (α) on the side wall in contact with the spring steel wire (3) to prevent the steel wire from falling off. 4. The rail installation structure of an electrical appliance according to any one of claims 1-3, characterized in that: the base (1) is provided with grooves (106) for placing sliding parts (2) and spring steel wires (3) ), the groove (106) is cross-shaped as a whole, and the slide (2) slides in the longitudinal groove of the cross-shaped groove (106), and the spring steel wire (3) passes through the slide (2) and is fixed in the groove ( 106) in the transverse groove. 5. The rail installation structure of electrical appliances according to claim 4, characterized in that: the transverse grooves of the groove (106) are arranged symmetrically on both sides with the longitudinal groove as the axis, and each side is provided with openings in turn (104), the second limiting groove (102) and the first limiting groove (101), the second limiting groove (102) one side communicates with the longitudinal groove through the opening (104), the first limiting groove The groove (101) communicates with the second limiting groove (102) and is located at the end corner on the other side of the second limiting groove (102); the side wall of the first limiting groove (101) forms a first As for the limiting block (4), a side wall of the opening (104) forms a second limiting block (5). 6. The rail installation structure for electrical appliances according to claim 5, characterized in that: the other side wall of the opening (104) is inclined toward the bottom of the opening to form an opening slope (107) for easy installation of the spring steel wire (3). 7. The rail installation structure of electrical appliances according to claim 4, characterized in that: the sliding member (2) is located in the longitudinal groove of the groove (106), including a sliding plate (205) at the bottom and a vertically arranged Guided strip structure (202) on the slide plate (205), the strip structure (202) is provided with a steel wire hole (204) for spring steel wire to pass through, and one end of the slide plate (205) is vertically provided with a handle structure (201), and the other end is provided with a clamp structure (203) for locking the edge of the mounting rail. 8. The rail installation structure of electrical appliances according to claim 7, characterized in that: the two side walls of the longitudinal groove of the groove (106) are provided with a limiting structure (103) extending into the longitudinal groove , the limiting structure (103) on the two side walls of the longitudinal groove forms a guide gap that allows the strip structure (202) to pass through, and the width of the handle structure (201) is greater than that formed by the limiting structure (103) on the two side walls The guide gap is used to limit the sliding position of the sliding plate (205), and the clamping plate structure (203) can lock the edge of one side of the mounting rail under the elastic force of the spring steel wire (3). 9. The rail installation structure of electrical appliances according to claim 7, characterized in that: the sliding plate (205) includes two elastic arms (208) respectively located on both sides of the strip structure (202), the elastic arms ( 208) and the strip structure (202) leave a gap, the end of the elastic arm (208) is provided with a lug (209) extending outwards, corresponding on the side wall of the longitudinal groove of the groove (106) A limiting chute (108) cooperating with the lug (209) is provided. 10. The rail installation structure for electrical appliances according to claim 5, characterized in that: the depth of the first limiting groove (101) is smaller than the depth of the second limiting groove (102).