Relay protection tester
By incorporating a mounting bracket, rollers, pins, and protective components into the relay protection tester, the stability and protection issues of the tester when carried outdoors are resolved, achieving a stable connection and protective function, and improving the safety of use.
Patent Information
- Application Number
- CN202520260296.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing relay protection testers are easily bumped and knocked when carried outdoors, and are difficult to place stably. They are also prone to shaking and damage during transfer.
A structure including a placement rack, rollers, handle, pin, socket, drive assembly, and protective assembly is designed. The combination of pin and socket and the locking of drive assembly achieve a stable connection of the tester body, and the combination of cover and limit pin provides protection after use.
The connection between the tester body and the placement rack is improved, preventing collisions during transportation and enhancing safety and protection.
Smart Images

Figure CN223883623U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test appearance technical field, concretely is relay protection test appearance. BACKGROUND
[0002] The relay protection test appearance is on the basis of referring to the "microcomputer type relay protection test device technical condition (discussion draft) " issued by the Ministry of Electric Power, widely listens to the user's opinion, summarizes the advantages and disadvantages of domestic similar products, and realizes a new type of small microcomputer relay protection test appearance by fully using modern advanced microelectronic technology and device. However, at present, some relay protection test appearance still has certain insufficient place in the process of using, when carrying relay protection test appearance outdoors, it is easy to appear knock and be more inconvenient, and because of the reason of detection point position, the relay protection test appearance cannot be placed and supported well, often needs the detection personnel to find some support to place relay protection test appearance temporarily, on the one hand, cannot find more suitable support, on the other hand, also easily because the inappropriateness of support leads to the situation that knock easily appears in the process of using relay protection test appearance, reduces the security of use.
[0003] Through patent retrieval, such as the patent number "CN220508981U", the name is: a relay protection test appearance. The device in the above-mentioned publication solves the above-mentioned problem, but the above-mentioned device directly places the relay protection test appearance body on the placing rack, cannot fix the position of the relay protection test appearance body, when the relay protection test appearance body shifts, the relay protection test appearance body will shake at the placing rack, further makes the relay protection test appearance body and the protective shell collide, causes damage. Based on this, the utility model designs a relay protection test appearance to solve the above-mentioned problem. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a relay protection test appearance to solve the problems in the above background.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: relay protection tester, including the rack; The four corners of the bottom of the rack are provided with a roller; The handle is fixedly arranged on the right side of the outer wall of the rack, and the handle is designed in U shape; The mounting plate is arranged on the top of the rack; The tester body is fixedly arranged on the top of the mounting plate; The latch is fixedly arranged on the left and right sides of the outside of the mounting plate, and the cross section of the latch is designed in L shape; The jack is integrally arranged on the left and right sides of the top of the inside of the rack, and the jack and the latch are disassembled by inserting; The driving assembly is assembled in the inside of the rack, and the driving assembly can lock the state of the combination of the latch and the jack; The driving assembly comprises a motor fixedly arranged on the left side of the top of the inside of the rack; The rotating shaft is fixedly arranged on the top of the motor; The gear is fixedly sleeved on the outside of the upper end of the rotating shaft; The limiting ring is rotatably arranged on the top of the rack; The relief hole is integrally arranged on the left and right sides of the inside of the limiting ring; The annular rack is fixedly sleeved on the outside of the upper end of the limiting ring, and the annular rack is engaged with the gear teeth.
[0006] Preferably, the motor is a stepper motor, the motor stops running after rotating 90 degrees, the relief hole is a through hole, and the width of the relief hole in the top view is greater than the diameter of the latch.
[0007] Preferably, the first limiting hole is integrally arranged at the four corners of the bottom of the inside of the rack, the first limiting hole is a through hole, and a limiting pin is arranged in the first limiting hole.
[0008] Preferably, the limiting pin is provided with a protection assembly on the top, the protection assembly can isolate the tester body from the outside world, prevent the tester body from colliding with external objects during transportation, and the protection assembly comprises a cover body fixedly arranged on the top of the limiting pin; A connecting rod is fixedly arranged on the top of the cover body; A handle is fixedly arranged on the top of the connecting rod.
[0009] Preferably, the cover body is designed in circular shape in the top view, the handle is designed in back shape in the front view, and the limiting pin and the cover body are made of non-metal material.
[0010] Preferably, the second limiting hole is integrally arranged at the four corners of the top of the inside of the rack, the second limiting hole is a through hole, and the second limiting hole and the first limiting hole correspond to each other.
[0011] Preferably, the diameters of the second limiting hole and the first limiting hole are equal, and the second limiting hole and the limiting pin are disassembled by inserting.
[0012] Preferably, the cover body is fixedly provided with a first magnetic strip on the bottom, the first magnetic strip is designed in circular shape in the top view, and the first magnetic strip is fixedly sleeved on the outside of the limiting pin.
[0013] Preferably, the top of the rack is fixed with a second magnetic strip with annular trend, and the four corners inside the second magnetic strip are integrally provided with a relief hole corresponding to the second limiting hole.
[0014] Preferably, the controller fixed on the outer wall of the rack is connected with the motor and the test instrument body through wires, and the bottom of the rack is fixed with a lithium battery.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The utility model can position the test instrument body at the top of the rack, and then lock the positioned test instrument body and the rack by using the driving assembly, so that the stability of the connection between the test instrument body and the rack is improved.
[0017] 2. According to the utility model, when the test instrument body is used, the staff can separate the cover body from the first limiting hole together with the limiting pin, and then insert the limiting pin into the second limiting hole, so that the cover body isolates the test instrument body from the outside, prevents the test instrument body from colliding with external objects during transportation, and protects the test instrument body. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0019] Figure 1 It is a front perspective view of the relay protection test instrument of the utility model;
[0020] Figure 2 It is a perspective view of the gear and the gear teeth meshing of the annular rack;
[0021] Figure 3 It is a perspective view of the mounting plate and the bolt;
[0022] Figure 4 It is a perspective view of the rack;
[0023] Figure 5 It is a perspective view of the cover body and the first magnetic strip.
[0024] In the drawings, the components represented by each number are listed as follows:
[0025] 1-stand, 2-roller, 3-handle, 4-mounting plate, 5-tester body, 6-peg, 7-socket, 8-driving assembly, 801-motor, 802-rotating shaft, 803-gear, 804-limiting ring, 805-giving hole, 806-annular rack, 9-first limiting hole, 10-limiting pin, 11-cover, 12-connecting rod, 13-handle, 14-second limiting hole, 15-first magnetic stripe, 16-second magnetic stripe, 17-avoidance hole, 18-controller, 19-lithium battery. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Embodiment 1
[0028] The preferred embodiment of the relay protection tester provided by the utility model is as follows Figures 1 to 5 As shown: the relay protection tester comprises a stand 1; the roller 2 is fixedly arranged at the bottom of the four corners of the stand 1; the handle 3 is fixedly arranged on the right side of the outer wall of the stand 1, and the handle 3 is designed in a U-shaped manner; the mounting plate 4 is arranged on the top of the stand 1; the tester body 5 is fixedly arranged on the top of the mounting plate 4; the peg 6 is fixedly arranged on the left and right sides of the outer part of the mounting plate 4, and the cross section of the peg 6 is designed in an L-shaped manner; the socket 7 is integrally arranged on the left and right sides of the top end of the inside of the stand 1, and the socket 7 is detachably connected with the peg 6 through the plug-in manner.
[0029] It should be noted that the existing relay protection tester still has certain deficiencies in the actual use process, and the tester body cannot be stably connected with the stand, so that the position of the tester body moves during the transfer.
[0030] In this embodiment, the staff first places the mounting plate 4 together with the tester body 5 on the top of the stand 1, so that the peg 6 is inserted into the socket 7, at this time, the tester body 5 on the top of the stand 1 is positioned through the combination of the peg 6 and the socket 7, and then the staff pushes the handle 3, so that the handle 3 drives the roller 2 together with the tester body 5 to move to the specified area for use, and the roller 2 has a foot brake function.
[0031] The utility model discloses further preferable embodiment, the drive assembly 8 of assembling in the inside of the rack 1, drive assembly 8 can lock the state of the combination of the bolt 6 and the jack 7, drive assembly 8 includes the motor 801 of being fixed in the inside top left side of the rack 1, the rotating shaft 802 of being fixed in the top of motor 801, the gear 803 of being fixedly sleeved in the upper end outside of rotating shaft 802, the limiting ring 804 of being rotationally arranged in the top of the rack 1, the hole 805 of giving place of being integrally arranged in the inside left and right sides of limiting ring 804, the annular rack 806 of being fixedly sleeved in the upper end outside of limiting ring 804, and the gear 803 wheel tooth is engaged with annular rack 806, and motor 801 is step motor, and motor 801 stops running after every 90 degrees rotation, and the width of the hole 805 of giving place is greater than the diameter of the bolt 6 in the cross section of looking down.
[0032] In the embodiment, the hole 805 of giving place gives the space of the bolt 6 insertion inside the jack 7, when the bolt 6 inserts inside the jack 7, the staff can start motor 801, and motor 801 drives rotating shaft 802 to drive gear 803 to drive annular rack 806 and limiting ring 804 to rotate 90 degrees and then stop running, to make the hole 805 of giving place and the bolt 6 mutually staggered, at this time, limiting ring 804 locks the state of the bolt 6 insertion inside the jack 7, and the stability of the tester body 5 and the rack 1 connection is ensured.
[0033] Embodiment 2
[0034] On the basis of embodiment 1, the preferable embodiment of the relay protection tester provided by the utility model is as shown in Figures 1 to 5 The first limiting hole 9 is integrally arranged in the inside bottom corner of the rack 1, and the first limiting hole 9 is a through hole, and a limiting pin 10 is arranged in the inside of the first limiting hole 9, and a protection assembly is arranged on the top of the limiting pin 10, the protection assembly can isolate the tester body 5 from the outside world, and prevent the tester body 5 from colliding with external objects during transportation, the protection assembly comprises a cover 11 fixedly arranged on the top of the limiting pin 10, a connecting rod 12 fixedly arranged on the top of the cover 11, and a handle 13 fixedly arranged on the top of the connecting rod 12, the cover 11 is circular in the cross section, the handle 13 is in the shape of a Chinese character in the cross section, the limiting pin 10 and the cover 11 are made of non-metallic materials, a second limiting hole 14 is integrally arranged in the inside top corner of the rack 1, the second limiting hole 14 is a through hole, the second limiting hole 14 corresponds to the first limiting hole 9 one by one, the diameter of the second limiting hole 14 is the same as that of the first limiting hole 9, and the second limiting hole 14 and the limiting pin 10 are detachably connected through insertion.
[0035] In the embodiment, when the tester body 5 is used, the staff can pull the handle 13, so that the handle 13 drives the connecting rod 12 to separate the cover body 11 and the limiting pin 10 from the first limiting hole 9, and then the limiting pin 10 is inserted into the second limiting hole 14, so that the cover body 11 isolates the tester body 5 from the outside, preventing the tester body 5 from colliding with external objects during transportation, and protecting the tester body 5.
[0036] In the further preferred embodiment of the utility model, the first magnetic strip 15 is fixedly arranged at the bottom of the cover body 11, the first magnetic strip 15 has a circular cross section, the first magnetic strip 15 is fixedly arranged outside the limiting pin 10, the second magnetic strip 16 with a circular cross section is fixedly arranged at the top of the placing rack 1, the avoiding hole 17 is integrally arranged at the four corners of the second magnetic strip 16, the avoiding hole 17 and the second limiting hole 14 are one-to-one corresponding, the controller 18 is fixedly arranged on the outer wall of the placing rack 1, the controller 18 is connected with the motor 801 and the tester body 5 through wires, and the lithium battery 19 is fixedly arranged at the middle of the bottom of the placing rack 1.
[0037] In the embodiment, when the limiting pin 10 is inserted into the second limiting hole 14, the first magnetic strip 15 and the second magnetic strip 16 are magnetically attracted, so as to ensure the stability of the cover body 11 covering the tester body 5, and the avoiding hole 17 provides space for the limiting pin 10 to be inserted into the second limiting hole 14.
[0038] In summary, the tester body can be locked at the position of the placing rack, and the stability of the connection between the tester body and the placing rack is improved. When the tester body is used, the staff can separate the cover body from the first limiting hole together with the limiting pin, and then insert the limiting pin into the second limiting hole, so that the cover body isolates the tester body from the outside, preventing the tester body from colliding with external objects during transportation, and protecting the tester body.
Claims
1. A protective relay tester, characterized in that, Include: Put the rack (1); Roller (2) is fixed at the bottom of the four corners of the rack (1); Handle (3) is fixed on the right side of the outer wall of the rack (1), which is designed as U-shaped; The installation plate (4) is arranged on the top of the rack (1); The tester body (5) is fixed on the top of the installation plate (4); The latch (6) is fixed on the left and right sides outside the installation plate (4), which is designed as L-shaped in cross section; The jack (7) is integrally arranged on the left and right sides of the top inside the rack (1), which is disassembled and assembled with the latch (6) through the plug-in mode; The driving assembly (8) is assembled in the rack (1), which can lock the state of the combination of the latch (6) and the jack (7); The driving assembly (8) includes: The motor (801) is fixed on the left side of the top inside the rack (1); The rotating shaft (802) is fixed on the top of the motor (801); The gear (803) is fixedly sleeved on the outer upper end of the rotating shaft (802); The limiting ring (804) is rotatably arranged on the top of the rack (1); The let hole (805) is integrally arranged on the left and right sides inside the limiting ring (804); The ring gear (806) is fixedly sleeved on the outer upper end of the limiting ring (804), and the ring gear (806) is engaged with the gear teeth of the gear (803).
2. The relay protection tester according to claim 1, characterized in that: The motor (801) is a stepping motor, which stops running after rotating 90 degrees, the let hole (805) is a through hole, and the width of the let hole (805) in top view is greater than the diameter of the latch (6).
3. The relay protection tester according to claim 1, wherein: The first limiting hole (9) is integrally arranged at the bottom of the four corners inside the rack (1), which is a through hole, and the limiting pin (10) is arranged inside the first limiting hole (9).
4. The relay protection tester according to claim 3, characterized in that: The limiting pin (10) is provided with a protection assembly on the top, which can isolate the tester body (5) from the outside world, prevent the tester body (5) from colliding with external objects during transportation, and the protection assembly includes: The cover (11) is fixed on the top of the limiting pin (10); The connecting rod (12) is fixed on the top of the cover (11); The handle (13) is fixed on the top of the connecting rod (12).
5. The relay protection tester according to claim 4, characterized in that: The cover (11) is designed as a circular shape in top view, the handle (13) is designed as a back shape in front view, and the limiting pin (10) and the cover (11) are non-metal materials.
6. The relay protection tester according to claim 1, wherein: The second limiting hole (14) is integrally arranged at the top of the four corners inside the rack (1), which is a through hole, and the second limiting hole (14) and the first limiting hole (9) correspond to each other.
7. The relay protection tester according to claim 6, characterized in that: The diameter of the second limiting hole (14) and the first limiting hole (9) is the same, and the second limiting hole (14) and the limiting pin (10) are disassembled and assembled through the plug-in mode.
8. The relay protection tester according to claim 4, characterized in that: The bottom of the cover body (11) is fixed with a first magnetic strip (15), the first magnetic strip (15) is circular in top view, and the first magnetic strip (15) is fixedly sleeved outside the limiting pin (10).
9. The relay protection tester of claim 1, wherein: The top of the placing rack (1) is fixed with a second magnetic strip (16) in an annular shape, and the four corners inside the second magnetic strip (16) are integrally provided with avoiding holes (17) corresponding to the second limiting holes (14) one by one.
10. The relay protection tester of claim 1, wherein: The outer wall of the placing rack (1) is fixed with a controller (18) connected with the motor (801) and the test instrument body (5) through wires, and the middle end of the bottom of the placing rack (1) is fixed with a lithium battery (19).
Citation Information
Patent Citations
Relay protection tester
CN220508981U