Shell structure of electric appliance protector
By adding inserts and positioning grooves to the side panels of the electrical protector housing, combined with inner and outer edge plates, ribs, inner abutments, and snap-fit designs, the problem of unevenness on the side of the electrical protector housing is solved, achieving side flatness and connection stability.
Patent Information
- Application Number
- CN202520007296.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing electrical protector housing often has unevenness on the left and right sides after the top cover and base are assembled, lacking an effective positioning structure.
Adding inserts and positioning grooves to the side panels of the product, combined with inner and outer edge plates, ribs, inner abutments, snap-fit and plug-in structures, ensures tight engagement and positioning of the top cover and base, preventing deformation.
It achieves a flat side profile for the electrical protector housing, preventing deformation, ensuring a secure connection, and facilitating easy assembly and disassembly.
Smart Images

Figure CN223772293U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shell, especially an electric appliance protector shell structure. BACKGROUND
[0002] The electric appliance protector such as under-voltage protector, self-recovery over-voltage and under-voltage protector and leakage protector is divided into upper cover and base two parts, and the front and back ends of the shell have incoming line post installation hole and outgoing line post installation hole. UTILITY MODEL CONTENTS
[0003] The utility model discloses a kind of electric appliance protector shell structures, and the structure of inserting sheet and positioning groove is added along product side plate, so that the flatness of product side is guaranteed.
[0004] The utility model discloses a kind of electric appliance protector shell structures, including upper cover and base, it is characterized in that: the bottom end of the bottom plate of the left and right sides of the base and the upper cover side plate of the left and right sides of the upper cover is equipped with corresponding inserting sheet and positioning groove respectively, inserting sheet and positioning groove are all extended along the length direction of plate on corresponding side plate, two side inserting sheets are inserted in corresponding positioning groove, and the side surface of positioning groove and inserting sheet is inclined.
[0005] The structure of inserting sheet and positioning groove is added along product side plate, so that the upper cover and base are fully engaged and positioned, so that the flatness of product side is guaranteed, and deformation is prevented.
[0006] The utility model further provides: the inner edge plate and outer edge plate are formed with positioning groove in the inner and outer layers of each bottom plate upper end, and the upper end surface of inner edge plate is further protruded relative to outer edge plate, the upper cover side plate is located at the outer side of the inner edge plate of corresponding side plate of base, and inserting sheet is arranged on the lower end of upper cover side plate of upper cover.
[0007] The above further setting is simple in structure, and the upper cover and base are fully engaged and positioned, and the inner edge plate and upper cover side plate are double-layered in inner and outer, so that the inner deformation of upper cover side plate can be effectively prevented.
[0008] The utility model further provides: the inner side of outer edge plate and the outer side of inserting sheet are inclined surface, and are matched and contacted.
[0009] The above further setting is simple in structure, and the upper cover and base are fully engaged and positioned, and the inner edge plate and upper cover side plate are double-layered in inner and outer, so that the inner deformation of upper cover side plate can be effectively prevented.
[0010] The further setting of the utility model discloses: the outside of upper cover side plate relative to the outside convexity of the insert piece forms shoulder stage, and the shoulder stage is still pressed in the upper end surface of the outside along the board when the insert piece is inserted in the positioning groove.
[0011] The further setting is adopted, and the shoulder stage is pressed on the outside along the board, and further support is formed.
[0012] The further setting of the utility model discloses: the inside of each base side plate has multiple ribs, and the lower end of the rib is arranged on the seat bottom of the base and vertically extends to the upper end surface of the side plate, and the multiple ribs are distributed along the length direction of the side plate.
[0013] The further setting is adopted, and the side plate is supported by the multiple ribs, and the flatness of the product side is further guaranteed, and deformation is prevented.
[0014] The further setting of the utility model discloses: the inside of the upper cover end plate of the upper cover front and rear two ends has inner abutting piece, and the inner abutting piece also extends downward, and when the upper cover and the base are spliced, the lower end surface of each upper cover end plate is in abutment with the upper end surface of the base end plate, and the inner abutting piece on the upper cover is also arranged on the inside of the corresponding end plate of the base.
[0015] The further setting is adopted, and the inner abutting piece is arranged on the inside of the corresponding end plate of the base, which can effectively prevent the end plate of the base from deforming inward.
[0016] The further setting of the utility model discloses: the front and rear two ends of the upper cover and the base are inserted and buckled.
[0017] The further setting is adopted, and the upper cover and the base are positioned by insertion and also connected by buckling, so that the two are firmly connected and convenient to disassemble and assemble.
[0018] The further setting of the utility model discloses: the inside of each base end plate is provided with a clamping leg, and the inside of each upper cover end plate is provided with a clamping hole, and the clamping leg is clamped in the corresponding clamping hole to realize the buckling of the upper cover and the base.
[0019] The further setting is adopted, and the clamping leg can also be arranged on the inside of the upper cover end plate, which can effectively prevent the upper cover end plate from deforming inward.
[0020] The further setting of the utility model discloses: the base is provided with an insertion pile near the two end plates, and the upper cover is provided with an insertion column near the two end plates, and the insertion pile has an insertion hole, and the insertion column is inserted into the insertion hole of the corresponding insertion pile to realize the insertion of the upper cover and the base.
[0021] The further setting is adopted, and the insertion pile and the insertion column structure are arranged on the two ends, so that the insertion structure is firm.
[0022] The further setting of the utility model discloses: the recessed recess is formed on the bottom surface of the base, the insertion hole and the lower recess are connected through the through hole, the insertion column has the mounting hole, and the mounting hole and the through hole are connected.
[0023] The further setting, the connecting piece is screw, after the insertion, the mounting hole and the through hole are connected, at this time, the screw can be installed from the bottom surface of the base to the top, so that the base and the upper cover are fixedly connected, and the nail head of the screw can be hidden in the recess to avoid exposure. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 The utility model discloses a structure diagram of specific embodiment;
[0025] Figure 2 The utility model discloses an internal structure diagram of specific embodiment;
[0026] Figure 3 For Figure 2 The local enlarged view of I part in the middle;
[0027] Figure 4 The structure diagram of the upper cover in the specific embodiment of the utility model;
[0028] Figure 5 For Figure 4 The local enlarged view of III part in the middle;
[0029] Figure 6 The structure diagram of the base in the specific embodiment of the utility model;
[0030] Figure 7 For Figure 6 The local enlarged view of IV part in the middle;
[0031] Figure 8 For Figure 2 The local enlarged view of II part in the middle;
[0032] Figure 9 The structure diagram of the bottom surface of the base in the specific embodiment of the utility model. DETAILED DESCRIPTION
[0033] The technical scheme in the embodiment will be described clearly and completely in combination with the drawings, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.
[0034] As Figures 1-9As shown, the utility model discloses a kind of electric appliance protector shell structures, including upper cover 1 and base 2, upper cover 1 and base 2 are generally formed by plastic injection, the upper end of base side plate 21 of the left and right sides of base and the lower end of upper cover side plate 11 of the left and right sides of upper cover is equipped with corresponding insert piece 3 and positioning groove 4, insert piece 3 is arranged on base or upper cover, insert piece 3 and positioning groove 4 are all extended in the length direction of corresponding side plate, two side insert piece 3 is inserted in corresponding positioning groove 4, and the side surface of positioning groove 4 and insert piece 3 is inclined surface A.
[0035] Specifically, the upper end of the base side plate 21 of the base has inner side plate 211 and outer side plate 212, the inner side plate 211 and the outer side plate 212 are formed with positioning grooves 4, and the upper end surface of the inner side plate 211 is protruded relative to the outer side plate 212, the upper cover side plate 11 of the upper cover 1 is located outside the inner side plate 211 of the corresponding side plate of the base 2, and the insert piece 3 is fixed or integrally arranged on the lower end of the upper cover side plate 11 of the upper cover 1. The inner side of the outer side plate 212 and the outer side of the insert piece 3 are both inclined surfaces and cooperate with each other. The outer side of the upper cover side plate 11 of the upper cover is formed with a shoulder step 111 protruding outward relative to the insert piece 3, and the shoulder step 111 is also pressed on the upper end surface of the outer side plate 212. The inner side of the base side plate 21 of the base 2 is integrally provided with a plurality of ribs 5, the lower end of the rib 5 is integrally arranged on the base bottom of the base and vertically extends to the upper end surface of the side plate, and the plurality of ribs 5 are distributed along the length direction of the side plate.
[0036] Specifically, the inner side of the upper cover end plate 12 at the front and rear ends of the upper cover 1 has an inner abutting piece 6, the inner abutting piece 6 also extends downward, when the upper cover 1 and the base 2 are combined, the lower end surface of the upper cover end plate 12 at the two ends of the upper cover 1 abuts against the upper end surface of the base end plate 22 at the two ends of the base 2, and the inner abutting piece 6 on the upper cover 1 is also arranged on the inner side surface of the corresponding end plate of the base 2. The front and rear ends of the upper cover 1 and the base 2 are inserted and buckled. The inner side of the base end plate 22 at the two ends of the base 2 is provided with a clamping leg 7, and the upper cover end plate 12 at the two ends of the upper cover 1 is provided with a clamping hole 121, the clamping leg 7 is clamped in the corresponding clamping hole 121 to realize the buckling of the upper cover 1 and the base 2. One or more clamping legs are arranged on the base end plate 22.
[0037] Specifically, the base 2 is provided with a stake 8 near the two end plates thereof, the upper cover 1 is provided with a stake 9 near the two end plates thereof, the stake 8 has a stake hole 81, the stake 9 is inserted into the stake hole 81 of the corresponding stake 8 to realize the insertion of the upper cover 1 and the base 2, and the clamping leg 7 can also abut against the inner side of the upper cover end plate of the upper cover. The stake can be a cylindrical column or a square column. The bottom surface of the base 2 has a concave notch 24, the stake hole 81 and the lower notch 24 are also communicated through a through hole 23, the stake 9 has a mounting hole 91, the mounting hole 91 and the through hole 23 are communicated, and a connecting piece can be inserted thereinto. The connecting piece is a screw. After insertion, the mounting hole 91 and the through hole 23 are communicated, at this time, the screw can be inserted from the bottom surface of the base 2 upwards, so as to fixedly connect the base 2 and the upper cover, and the head of the screw can also be hidden in the notch 24 to avoid exposure.
[0038] The utility model discloses the structure of the insertion sheet 3 and the positioning groove 4 along the product side plate is increased, so that the upper cover 1 and the base 2 are fully engaged and positioned, thereby guaranteeing the flatness of the product side and preventing deformation. And the inner side plate 211 and the upper cover side plate are arranged as inner and outer double layers, which can effectively prevent the upper cover side plate from deforming inward. The inner abutting piece 6 is arranged on the inner side surface of the corresponding end plate of the base 2, which can effectively prevent the base end plate 22 from deforming inward. The clamping leg 7 can abut against the inner side of the upper cover end plate, which can effectively prevent the upper cover end plate 12 of the upper cover from deforming inward.
[0039] It should be noted that all directional indications (such as up, down, front, back, etc.) in the description of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0040] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "coupling", "connection", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. An electrical protector housing structure comprising an upper cover (1) and a base (2), characterized in that: The upper end of the base side plate (21) on the left and right sides of the base (2) and the lower end of the upper cover side plate (11) on the left and right sides of the upper cover (1) are respectively provided with corresponding insertion pieces (3) and positioning grooves (4), the insertion pieces (3) and the positioning grooves (4) are both extended along the length direction of the side plate, the two insertion pieces (3) are inserted into the corresponding positioning grooves (4), and the abutting side of the positioning groove (4) and the insertion piece (3) is a slope (A).
2. An electrical protector housing structure according to claim 1, wherein: The upper end of each base side plate (21) has an inner side plate (211) and an outer side plate (212), the inner side plate (211) and the outer side plate (212) are layered to form the positioning groove (4), and the upper end surface of the inner side plate (211) is further protruded relative to the outer side plate (212), the upper cover side plate (11) is located outside the inner side plate (211) of the corresponding side plate of the base (2), and the insertion piece (3) is arranged on the lower end of the upper cover side plate (11) of the upper cover (1).
3. An electrical protector housing structure according to claim 2, wherein: The inner side of the outer side plate (212) and the outer side of the insertion piece (3) are both slopes and are matched and abutted.
4. An electrical protector housing structure according to claim 2 or 3, wherein: The outer side of the upper cover side plate (11) is further formed with a shoulder step (111) protruding outward relative to the insertion piece (3), when the insertion piece (3) is inserted into the positioning groove (4), the shoulder step (111) further abuts against the upper end surface of the outer side plate (212).
5. An electrical protector housing structure as claimed in claim 1 or 2 or 3, wherein: A plurality of protruding ribs (5) are arranged on the inner side of each base side plate (21), the lower end of the protruding rib (5) is arranged on the base bottom and vertically extends to the upper end surface of the side plate, and the plurality of protruding ribs (5) are distributed along the length direction of the side plate.
6. An electrical protector housing structure as claimed in claim 1 or 2 or 3, wherein: An inner abutting piece (6) is arranged on the inner side of the upper cover end plate (12) at the front and rear ends of the upper cover (1), the inner abutting piece (6) further extends downward, when the upper cover (1) and the base (2) are combined, the lower end surface of each upper cover end plate (12) abuts against the upper end surface of the base end plate (22), and the inner abutting piece (6) on the upper cover (1) further abuts against the inner side surface of the corresponding end plate of the base (2).
7. An electrical protector housing structure as claimed in claim 1 or 2 or 3, wherein: The front and rear ends of the upper cover (1) and the base (2) are inserted and buckled.
8. An electrical protector housing structure according to claim 7, wherein: A clamping leg (7) is arranged on the inner side of each base end plate (22), a clamping hole (121) is arranged on each upper cover end plate (12), the clamping leg (7) is clamped in the corresponding clamping hole (121) to realize the buckling of the upper cover (1) and the base (2).
9. An electrical protector housing structure according to claim 7, wherein: The base (2) is provided with an insertion stake (8) near the two end plates, the upper cover (1) is provided with an insertion column (9) near the two end plates, the insertion stake (8) has an insertion hole (81), the insertion column (9) is inserted into the insertion hole (81) of the corresponding insertion stake (8) to realize the insertion of the upper cover (1) and the base (2).
10. An electrical protector housing structure according to claim 9, wherein: The bottom surface of the base (2) has a concave recess (24), the insertion hole (81) and the lower recess (24) are further connected through a through hole (23), the insertion column (9) has a mounting hole (91), and the mounting hole (91) and the through hole (23) are connected to allow a connecting piece to pass through.